Basic Information

Faculty

• Faculty of Engineering

Concurrent Affiliation

• Center for the Promotion of Interdisciplinary Education and Research (C-PiER), スーパーグローバルコース 化学系ユニット

Professional Memberships

• 電気化学会
• 日本ポーラログラフ学会
• 日本化学会
• 日本分析化学会

Academic Degree

• 修士（工学）(京都大学)
• 博士（工学）(京都大学)

Academic Resume (Graduate Schools)

• 京都大学, 大学院工学研究科修士課程物質エネルギー化学専攻, 修了
• 京都大学, 大学院工学研究科博士後期課程物質エネルギー化学専攻, 修了

Academic Resume (Undergraduate School/Majors)

• 京都大学, 工学部工業化学科, 卒業

Language of Instruction

• English

ID,URL

• J-Global ID

  200901088731690637

researchmap URL

• https://researchmap.jp/read0066343

Research

Research Interests

• interfacial physical chemistry
• interfacial spectroscopy
• electrochemistry

Research Areas

• Nanotechnology/Materials, Analytical chemistry
• Nanotechnology/Materials, Basic physical chemistry

Papers

• Potential-switchable viscoelasticity of protein nanolayers at a liquid/liquid interface

  Kosuke Ishii; Takeshi Ueki; Jun Nakanishi; Kazuhiro Akutsu; Norifumi Yamada; Yuko Yokoyama; Tetsuo Sakka; Naoya Nishi

  17 Apr. 2025

  
• Effect of Ion-Specific Hydration Forces on the Stability of Water Films on Calcite Surfaces

  Kazuya Kobayashi; Naoya Nishi; Tetsuo Sakka

  Langmuir, 25 Mar. 2025

  
• Electroplating of Wear‐ and Corrosion‐Resistant CrCoNi Medium‐Entropy Alloys beyond Hard Chromium Coatings

  Yuki Murakami; Shuhei Yoshida; Kosuke Ishii; Naoya Nishi; Akiyuki Ryoki; Nobuhiro Tsuji; Kuniaki Murase; Kazuhiro Fukami

  Advanced Functional Materials, 19 Jan. 2025

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• Accumulation of ionic-liquid ions at the electrochemical liquid/liquid interface between water and a fluorous solvent studied using neutron reflectometry

  Kosuke Ishii; Kazuhiro Akutsu-Suyama; Norifumi L. Yamada; Yuko Yokoyama; Tetsuo Sakka; Naoya Nishi

  Electrochimica Acta, Feb. 2025

  
• Gold-etching redox reactions at the gold interface of an ionic liquid monitored using electrochemical surface plasmon resonance

  Naoya Nishi; Hiroyuki Miyatake; Tetsuo Sakka

  Electrochimica Acta, Feb. 2025

  
• A new potentiometric method of determining the ionization constant of water based on the ionic liquid salt bridge consisting of N-ethyl-N-heptylpyrrolidinium bis(pentafluoroethanesulfonyl)amide

  T Ogaki; Y Kitazumi; N Nishi; T Kakiuchi

  JOURNAL OF ELECTROANALYTICAL CHEMISTRY, Nov. 2023, Peer-reviewed

  
• 電気化学その場測定～回折法, 分光法, 顕微鏡観察～(その1)

  松井 雅樹; 折笠 有基; 内山 智貴; 西 直哉; 宮原 雄人; 津田 哲哉; 乙山 美紗恵

  関西電気化学テキストシリーズ, Oct. 2022, Peer-reviewed

  
• 電気化学その場測定～回折法, 分光法, 顕微鏡観察～(その2)

  松井 雅樹; 折笠 有基; 内山 智貴; 西 直哉; 宮原 雄人; 津田 哲哉; 乙山 美紗恵

  関西電気化学テキストシリーズ, Oct. 2022, Peer-reviewed

  
• Fraunhofer-type absorption lines from a submerged Cu target by long-pulse laser-induced breakdown spectroscopy: toward non-gated detection

  N Li; N Nishi; RE Zheng; YQ Zheng; JG Guan; CY Xue; ZX Zhang; T Sakka

  JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY, Oct. 2023, Peer-reviewed

  
• Depth-resolved potentiometric detection of active species near the surface of an aqueous solution under atmospheric pressure plasma

  Kai Kubota; Yuko Yokoyama; Naoya Nishi; Tetsuo Sakka

  Chemistry Letters, Jul. 2024

  
• Corrigendum to “A new potentiometric method of determining the ionization constant of water based on the ionic liquid salt bridge consisting of N-ethyl-N-heptylpyrrolidinium bis(pentafluoroethanesulfonyl)amide” [J. Electroanal. Chem. 949 (2023) 117858] (Journal of Electroanalytical Chemistry (2023) 949, (S157266572300718X), (10.1016/j.jelechem.2023.117858))

  Toshiaki Ogaki; Yuki Kitazumi; Naoya Nishi; Takashi Kakiuchi

  Journal of Electroanalytical Chemistry, 15 Jun. 2024

  
• Salting-out and Competitive Adsorption of Ethanol into Lipid Bilayer Membranes: Conflicting Effects of Salts on Ethanol-Membrane Interactions Studied by Molecular Dynamics Simulations

  Haru Kitaoka; Yuko Yokoyama; Tetsuo Sakka; Naoya Nishi

  Journal of Physical Chemistry B, 2024

  
• Charge transfer across the ionic liquid/oil interface: Facilitated ion transfer and electron transfer

  Koji Miyazato; Yuko Yokoyama; Tetsuo Sakka; Naoya Nishi

  Journal of Electroanalytical Chemistry, Feb. 2024, Peer-reviewed

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• Second harmonic generation as a probe of structure and dynamics of ionic liquids at the electrode interface

  Naoya Nishi; Hiromasa Baba; Takashi Yamazawa; Yuko Yokoyama; Tetsuo Sakka

  Journal of Electroanalytical Chemistry, 22 Aug. 2023, Peer-reviewed

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• Layering of hydroxyl groups causes anisotropic molecular clustering in liquid ethanol on hydrophobic surfaces: A molecular dynamics study

  Haru Kitaoka; Naoya Nishi; Yuko Yokoyama; Tetsuo Sakka

  Journal of Molecular Liquids, Dec. 2023, Peer-reviewed

  
• イオン液体と油との間の非水液液界面における金属ナノ構造の還元析出

  西 直哉

  溶融塩および高温化学 = Molten salts / 電気化学会溶融塩委員会 編, 2023, Peer-reviewed

  
• Reductive deposition of aluminum at a water-free ionic liquid/oil interface

  Naohiro Yoshida; Yohei Kuroyama; Yuko Yokoyama; Tetsuo Sakka; Naoya Nishi

  Electrochemistry Communications, Nov. 2023

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• Nonadditivities of the Particle Sizes Hidden in Model Pair Potentials and Their Effects on Physical Adsorptions

  Ken-ichi Amano; Satoshi Furukawa; Yuto Kubo; Yuka Nakamura; Rina Ishii; Ayane Tanase; Masahiro Maebayashi; Tomohiko Hayashi; Naoya Nishi; Tetsuo Sakka

  Langmuir, 02 Sep. 2023

  
• Investigation of the signal uncertainty in laser-induced breakdown spectroscopy based on error propagation considering self-absorption

  Gu, W.; Nishi, N.; Hou, Z.; Wang, Z.; Sakka, T.

  Spectrochimica Acta - Part B Atomic Spectroscopy, 2023

  
• A Water‐Free ITIES: Ionic Liquid/Oil Interface for Base Metal Nanostructure Formation – Zn Case

  Naoya Nishi; Yohei Kuroyama; Naohiro Yoshida; Yuko Yokoyama; Tetsuo Sakka

  ChemElectroChem, 13 Dec. 2022

  
• Electrochemical In Situ/<i>operando</i> Spectroscopy and Microscopy Part 2: Battery Applications

  Masaki MATSUI; Yuki ORIKASA; Tomoki UCHIYAMA; Naoya NISHI; Yuto MIYAHARA; Misae OTOYAMA; Tetsuya TSUDA

  Electrochemistry, 31 Oct. 2022

  
• Electrochemical In Situ/<i>operando</i> Spectroscopy and Microscopy Part 1: Fundamentals

  Masaki MATSUI; Yuki ORIKASA; Tomoki UCHIYAMA; Naoya NISHI; Yuto MIYAHARA; Misae OTOYAMA; Tetsuya TSUDA

  Electrochemistry, 31 Oct. 2022

  
• 72nd Annual Meeting of the International Society of Electrochemistry

  西 直哉

  Ｒｅｖｉｅｗ ｏｆ Ｐｏｌａｒｏｇｒａｐｈｙ, Oct. 2021

  
• An electric double layer structure and differential capacitance at the electrode interface of tributylmethylammonium bis(trifluoromethanesulfonyl)amide studied using a molecular dynamics simulation

  西 直哉; 天野 健一; 作花 哲夫; Ken Ichi Amano; Tetsuo Sakka

  Physical chemistry chemical physics : PCCP, Mar. 2020, Peer-reviewed

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• 『電気化学インピーダンス ― 数式と計算で理解する基礎理論』

  西 直哉

  Ｒｅｖｉｅｗ ｏｆ Ｐｏｌａｒｏｇｒａｐｈｙ, 2019

  
• Number density distribution of solvent molecules on a substrate: a transform theory for atomic force microscopy (vol 18, pg 15534, 2016)

  Ken-ichi Amano; Yunfeng Liang; Keisuke Miyazawa; Kazuya Kobayashi; Kota Hashimoto; Kazuhiro Fukami; Naoya Nishi; Tetsuo Sakka; Hiroshi Onishi; Takeshi Fukuma

  PHYSICAL CHEMISTRY CHEMICAL PHYSICS, Aug. 2016, Peer-reviewed

  
• Formation of Au Nanofiber/Fullerene Nanowhisker 1D/1D Composites via Reductive Deposition at the Interface between an Ionic Liquid and Water

  Ippei Koya; Yuko Yokoyama; Tetsuo Sakka; Naoya Nishi

  Chemistry Letters, 05 Jun. 2022

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• Slow and Fast Dynamics at the Ionic Liquid/Gold Electrode Interface Separately Probed by Electrochemical Surface Plasmon Resonance Combined with Sequential Potential Pulse Techniques

  Shiwei Zhang; Tetsuo Sakka; Naoya Nishi

  Journal of the Electrochemical Society, Jun. 2022

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• Structure and Dynamics of ionic liquid/metal electrode interface probed by SEIRAS

  本林 健太; 南 和也; 西 直哉; 垣内 隆; 大澤 雅俊

  Abstract of annual meeting of the Surface Science of Japan, 2012

  
• Digital Simulation of Electrochemical Reactions Using Finite Element Method

  NISHI N.

  Review of Polarography, 28 May 2007

  
• Interfacial viscosity and ionic reorientation probed using electrochemical surface plasmon resonance at the gold electrode interface of ionic liquids

  Shiwei Zhang; Hiromasa Baba; Tetsuo Sakka; Naoya Nishi

  Journal of Electroanalytical Chemistry, 15 May 2022

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• In Situ Electrochemical Surface Plasmon Resonance Study on Lithium Underpotential Deposition and Stripping in Bis(fluorosulfonyl)amide-Based Ionic Liquids

  Shiwei Zhang; Takashi Yamazawa; Tetsuo Sakka; Naoya Nishi

  Journal of Physical Chemistry C, 09 Jun. 2022

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• Potential dependence of the ionic structure at the ionic liquid/water interface studied using MD simulation

  Kosuke Ishii; Tetsuo Sakka; Naoya Nishi

  Physical Chemistry Chemical Physics, 21 Oct. 2021

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• Adsorption properties of alkylsulfate ions at the ionic liquid/water interfaces: Ionic liquid cation dependence

  Naoya Nishi; Eiji Minami; Tetsuo Sakka

  Bunseki Kagaku, 2021

  
• Overscreening Induced by Ionic Adsorption at the Ionic Liquid/Electrode Interface Detected Using Neutron Reflectometry with a Rational Material Design

  Naoya Nishi; Junya Uchiyashiki; Tatsuro Oda; Masahiro Hino; Norifumi L. Yamada

  Bulletin of the Chemical Society of Japan, 2021

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• Analysis of pulse-to-pulse fluctuation in underwater Laser-Induced Breakdown Spectroscopy on the basis of error propagation calculation

  Satoshi Yamaguchi; Naoya Nishi; Tetsuo Sakka

  Spectrochimica Acta - Part B Atomic Spectroscopy, Sep. 2021

  
• Simultaneous detection of a submerged Cu target and bulk water by long-pulse laser-induced breakdown spectroscopy

  Nan Li; Kota Tanabe; Naoya Nishi; Ronger Zheng; Tetsuo Sakka

  Journal of Analytical Atomic Spectrometry, Sep. 2021

  
• Solid surface induced anisotropic clustering in ethanol-cyclohexane binary liquids studied by molecular dynamics simulations

  Haru Kitaoka; Kota Hashimoto; Naoya Nishi; Tetsuo Sakka

  Chemistry Letters, Sep. 2021

  
• Au Nanofiber/CNT 1D/1D Composites Formed Via Redox Reaction at the Ionic Liquid/Water Interface

  Ippei Koya; Tetsuo Sakka; Naoya Nishi

  Langmuir, 10 Aug. 2021

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• Evaluation of static differential capacitance at the [C4mim⁺][TFSA⁻]/electrode interface using molecular dynamics simulation combined with electrochemical surface plasmon resonance measurements

  Shiwei Zhang; Naoya Nishi; Seiji Katakura; Tetsuo Sakka

  Physical Chemistry Chemical Physics, 07 Jul. 2021

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• In Situ Surface Roughness Analysis of Electrodeposited Co Films in an Ionic Liquid Using Electrochemical Surface Plasmon Resonance: Effect of Leveling Additives

  Naoya Nishi; Kenta Ezawa; Tetsuo Sakka

  Journal of the Electrochemical Society, Jul. 2021

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• Signal enhancement in underwater long-pulse laser-induced breakdown spectroscopy for the analysis of bulk water

  Nan Li; Naoya Nishi; Ronger Zheng; Tetsuo Sakka

  Journal of Analytical Atomic Spectrometry, Jun. 2021

  
• Comparison of atomic force microscopy force curve and solvation structure studied by integral equation theory

  Kota Hashimoto; Ken Ichi Amano; Naoya Nishi; Hiroshi Onishi; Tetsuo Sakka

  Journal of Chemical Physics, Apr. 2021

  
• 非加算性を取り入れた朝倉-大沢理論による基板近傍における粒子のコンタクト密度の考察

  天野 健一; 古川 暁之; 石井 里奈; 橋本 康汰; 西 直哉; 作花 哲夫

  名城大学農学部学術報告 = Scientific reports of the Faculty of Agriculture, Meijo University, Mar. 2021, Peer-reviewed

  
• Efficient detection of emission lines for H and O and the use as an internal standard for underwater LIBS

  Nan Li; Naoya Nishi; Ronger Zheng; Tetsuo Sakka

  Journal of Analytical Atomic Spectrometry, Feb. 2021

  
• Electrochemical liquid-liquid interface between oil and ionic liquid for reductive deposition of metal nanostructures

  Yohei Kuroyama; Naoya Nishi; Tetsuo Sakka

  Journal of Electroanalytical Chemistry, 15 Jan. 2021

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• Spot size effects on the pulse-to-pulse stability of underwater LIBS spectra

  Satoshi Yamaguchi; Naoya Nishi; Tetsuo Sakka

  Spectrochimica Acta, Part B: Atomic Spectroscopy, 2021, Peer-reviewed

  
• Improvement of the Nelder-Mead method using Direct Inversion in Iterative Subspace

  Haru Kitaoka; Ken ichi Amano; Naoya Nishi; Tetsuo Sakka

  Optimization and Engineering, Jun. 2022

  
• In-situ electrochemical SPR study of gold surface smoothing by repetitive cathodic deposition and anodic dissolution of copper in an ionic liquid

  Kenta Ezawa; Naoya Nishi; Tetsuo Sakka

  Journal of Electroanalytical Chemistry, 15 Nov. 2020, Peer-reviewed

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• How Viscous Is the Solidlike Structure at the Interface of Ionic Liquids? A Study Using Total Internal Reflection Fluorescence Spectroscopy with a Fluorescent Molecular Probe Sensitive to High Viscosity

  Naoya Nishi; Takashi Yamazawa; Tetsuo Sakka; Hiroki Hotta; Takayuki Ikeno; Kenjiro Hanaoka; Hiromi Takahashi

  Langmuir, 08 Sep. 2020, Peer-reviewed

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• An improved model-potential-free analysis of the structure factor obtained from a small-angle scattering: Acquisitions of the pair distribution function and the pair potential

  Ken Ichi Amano; Ryosuke Sawazumi; Hiroshi Imamura; Tomonari Sumi; Kota Hashimoto; Kazuhiro Fukami; Haru Kitaoka; Naoya Nishi; Tetsuo Sakka

  Chemistry Letters, Sep. 2020, Peer-reviewed

  
• Calculation method of the number density distribution of liquid molecules or colloidal particles near a substrate from surface force apparatus measurement

  Kota Hashimoto; Ken ichi Amano; Naoya Nishi; Tetsuo Sakka

  Chemical Physics Letters, Sep. 2020, Peer-reviewed

  
• Simultaneous Synthesis of One-and Two-Dimensional Gold Nanostructures/Reduced Graphene Oxide Composites in the Redox-Active Ionic Liquid/Water Interfacial System

  Yu Zhang; Naoya Nishi; Ippei Koya; Tetsuo Sakka

  Chemistry of Materials, 11 Aug. 2020

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• Electrochemical surface plasmon resonance measurements of camel-shaped static capacitance and slow dynamics of electric double layer structure at the ionic liquid/electrode interface

  Shiwei Zhang; Naoya Nishi; Tetsuo Sakka

  Journal of Chemical Physics, 28 Jul. 2020, Peer-reviewed

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• Evolution and Reversible Polarity of Multilayering at the Ionic Liquid/Water Interface

  Seiji Katakura; Ken Ichi Amano; Tetsuo Sakka; Wei Bu; Binhua Lin; Mark L. Schlossman; Naoya Nishi

  Journal of Physical Chemistry B, 23 Jul. 2020, Peer-reviewed

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• Interface-templated synthesis of single-crystalline silver chain-like nanobelts at the liquid-liquid interface between water and redox-active ionic liquid

  Yu Zhang; Naoya Nishi; Tetsuo Sakka

  Colloids and Surfaces A: Physicochemical and Engineering Aspects, 20 Jul. 2020, Peer-reviewed

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• Effect of Switching the Length of Alkyl Chains on Electric Double Layer Structure and Differential Capacitance at the Electrode Interface of Quaternary Ammonium-Based Ionic Liquids Studied Using Molecular Dynamics Simulation

  Seiji Katakura; Naoya Nishi; Kazuya Kobayashi; Ken Ichi Amano; Tetsuo Sakka

  Journal of Physical Chemistry C, Apr. 2020, Peer-reviewed

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• An electric double layer structure and differential capacitance at the electrode interface of tributylmethylammonium bis(trifluoromethanesulfonyl)amide studied using a molecular dynamics simulation

  Seiji Katakura; Naoya Nishi; Kazuya Kobayashi; Ken Ichi Amano; Tetsuo Sakka

  Physical Chemistry Chemical Physics, 07 Mar. 2020, Peer-reviewed

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• Ionic liquids as liquid materials for analytical chemistry

  Naoya Nishi

  Analytical Sciences, 2020, Peer-reviewed

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• One-step fabrication of Au@Pd core-shell bimetallic nanofibers at the interface between water and redox-active ionic liquid

  Yu Zhang; Naoya Nishi; Tetsuo Sakka

  Electrochimica Acta, 01 Dec. 2019, Peer-reviewed

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• Integral equation theory based method to determine number density distribution of colloidal particles near a substrate using a force curve from colloidal probe atomic force microscopy

  Kota Hashimoto; Ken ichi Amano; Naoya Nishi; Tetsuo Sakka

  Journal of Molecular Liquids, 15 Nov. 2019, Peer-reviewed

  
• Template-Free and Spontaneous Formation of Vertically Aligned Pd Nanofiber Arrays at the Liquid–Liquid Interface between Redox-Active Ionic Liquid and Water

  Yu Zhang; Naoya Nishi; Tetsuo Sakka

  ACS Applied Materials & Interfaces, 03 Jul. 2019, Peer-reviewed

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• Ionic Liquid-in-Water Emulsion-templated Synthesis of Gold Nanoshells at the Liquid-Liquid Interface between Water and Primary Ammonium-based Ionic Liquids

  Seiji Takagi; Naoya Nishi; Tetsuo Sakka

  CHEMISTRY LETTERS, Jun. 2019, Peer-reviewed

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• Potential-Dependent Structure of the Ionic Layer at the Electrode Interface of an Ionic Liquid Probed Using Neutron Reflectometry

  Naoya Nishi; Junya Uchiyashiki; Yoichi Ikeda; Seiji Katakura; Tatsuro Oda; Masahiro Hino; Norifumi L. Yamada

  The Journal of Physical Chemistry C, 11 Apr. 2019, Peer-reviewed

  
• Surface Structure of Quaternary Ammonium-Based Ionic Liquids Studied Using Molecular Dynamics Simulation: Effect of Switching the Length of Alkyl Chains

  Seiji Katakura; Naoya Nishi; Kazuya Kobayashi; Ken-ichi Amano; Tetsuo Sakka

  The Journal of Physical Chemistry C, 28 Mar. 2019, Peer-reviewed

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• One-dimensional Pt nanofibers formed by the redox reaction at the ionic liquid|water interface

  Yu Zhang; Naoya Nishi; Ken ichi Amano; Tetsuo Sakka

  Electrochimica Acta, 20 Aug. 2018, Peer-reviewed

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• イオン液体|水界面での構造形成 イオン液体のソフト液液界面で成長する金属ナノファイバー

  西 直哉

  科学と工業 = Science and industry, Jan. 2018

  
• Janus-Type Gold/Polythiophene Composites Formed via Redox Reaction at the Ionic Liquid|Water Interface

  Naoya Nishi; Ikumi Yajima; Ken Ichi Amano; Tetsuo Sakka

  Langmuir, 20 Feb. 2018, Peer-reviewed

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• Electrochemical surface plasmon resonance as a probe of redox reactions at the ionic liquid|gold interface

  Naoya Nishi; Yoichi Ikeda; Tetsuo Sakka

  Journal of Electroanalytical Chemistry, 15 May 2018, Peer-reviewed

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• Static capacitance at the electrochemical liquid-liquid interface between ionic liquids and eutectic Ga-In alloy measured using the pendant drop method

  Naoya Nishi; Yasuro Kojima; Seiji Katakura; Tetsuo Sakka

  Electrochemistry, 2018, Peer-reviewed

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• Vibration of Water Sessile Drops in Various Oils

  Tetsuo Sakka; Shinji Yamashita; Ken-ichi Amano; Naoya Nishi

  CHEMISTRY LETTERS, Sep. 2017, Peer-reviewed

  
• Potential-induced restructuring dynamics of ionic liquids on a gold electrode: Steric effect of constituent ions studied by surface-enhanced infrared absorption spectroscopy

  Kenta Motobayashi; Naoya Nishi; Yuki Inoue; Kazuya Minami; Tetsuo Sakka; Masatoshi Osawa

  JOURNAL OF ELECTROANALYTICAL CHEMISTRY, Sep. 2017, Peer-reviewed

  
• Stability Evaluation of Cation Bridging on Muscovite Surface for Improved Description of Ion-Specific Wettability Alteration

  Kazuya Kobayashi; Yunfeng Liang; Sumihiko Murata; Toshifumi Matsuoka; Satoru Takahashi; Ken-ichi Amano; Naoya Nishi; Tetsuo Sakka

  JOURNAL OF PHYSICAL CHEMISTRY C, May 2017

  
• Anion dependence of camel-shape capacitance at the interface between mercury and ionic liquids studied using pendant drop method

  Naoya Nishi; Shunsuke Yasui; Atsunori Hashimoto; Tetsuo Sakka

  JOURNAL OF ELECTROANALYTICAL CHEMISTRY, Mar. 2017, Peer-reviewed

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• Interfacial Structure at the Quaternary Ammonium-Based Ionic Liquids vertical bar Gold Electrode Interface Probed by Surface-Enhanced Infrared Absorption Spectroscopy: Anion Dependence of the Cationic Behavior

  Naoya Nishi; Kazuya Minami; Kenta Motobayashi; Masatoshi Osawa; Tetsuo Sakka

  JOURNAL OF PHYSICAL CHEMISTRY C, Jan. 2017, Peer-reviewed

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• Number Density Distribution of Small Particles around a Large Particle: Structural Analysis of a Colloidal Suspension

  Ken Ichi Amano; Mitsuhiro Iwaki; Kota Hashimoto; Kazuhiro Fukami; Naoya Nishi; Ohgi Takahashi; Tetsuo Sakka

  Langmuir, 25 Oct. 2016, Peer-reviewed

  
• Preparation of dendritic gold nanofibers using a redox reaction at the interface between an ionic liquid and water: Correlation between viscosity and nanostructure

  Tatsuya Kakinami; Naoya Nishi; Ken-Ichi Amano; Tetsuo Sakka

  Bunseki Kagaku, 05 Apr. 2016, Peer-reviewed

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• A calibration-free approach for on-site multi-element analysis of metal ions in aqueous solutions by electrodeposition-assisted underwater laser-induced breakdown spectroscopy

  Ayumu Matsumoto; Ayaka Tamura; Ryo Koda; Kazuhiro Fukami; Yukio H. Ogata; Naoya Nishi; Blair Thornton; Tetsuo Sakka

  Spectrochimica Acta - Part B Atomic Spectroscopy, Apr. 2016, Peer-reviewed

  
• Molecular Dynamics Simulation of Atomic Force Microscopy at the Water-Muscovite Interface: Hydration Layer Structure and Force Analysis

  Kazuya Kobayashi; Yunfeng Liang; Ken-ichi Amano; Sumihiko Murata; Toshifumi Matsuoka; Satoru Takahashi; Naoya Nishi; Tetsuo Sakka

  LANGMUIR, Apr. 2016, Peer-reviewed

  
• Comparison of the overall temporal behavior of the bubbles produced by short- and long-pulse nanosecond laser ablations in water using a laser-beam-transmission probe

  Ayumu Matsumoto; Ayaka Tamura; Atsushi Kawasaki; Takaya Honda; Peter Gregorčič; Naoya Nishi; Ken Ichi Amano; Kazuhiro Fukami; Tetsuo Sakka

  Applied Physics A: Materials Science and Processing, 01 Mar. 2016, Peer-reviewed

  
• Preparation of Dendritic Gold Nanofibers Using a Redox Reaction at the Interface between an Ionic Liquid and Water: Correlation between Viscosity and Nanostructure

  Tatsuya Kakinami; Naoya Nishi; Ken-ichi Amano; Tetsuo Sakka

  BUNSEKI KAGAKU, Mar. 2016, Peer-reviewed

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• Number density distribution of solvent molecules on a substrate: A transform theory for atomic force microscopy

  Ken Ichi Amano; Yunfeng Liang; Keisuke Miyazawa; Kazuya Kobayashi; Kota Hashimoto; Kazuhiro Fukami; Naoya Nishi; Tetsuo Sakka; Hiroshi Onishi; Takeshi Fukuma

  Physical Chemistry Chemical Physics, 2016, Peer-reviewed

  
• Potential dependent structure of an ionic liquid at ionic liquid/water interface probed by x-ray reflectivity measurements

  Naoya Nishi; Tomoya Uruga; Hajime Tanida

  JOURNAL OF ELECTROANALYTICAL CHEMISTRY, Dec. 2015, Peer-reviewed

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• Transfer of the Species Dissolved in a Liquid into Laser Ablation Plasma: An Approach Using Emission Spectroscopy

  Ayumu Matsumoto; Ayaka Tamura; Takaya Honda; Tsuyoshi Hirota; Kazuya Kobayashi; Seiji Katakura; Naoya Nishi; Ken Ichi Amano; Kazuhiro Fukami; Tetsuo Sakka

  Journal of Physical Chemistry C, 25 Nov. 2015, Peer-reviewed

  
• Force measurement reveals structure of a confined liquid: Observation of the impenetrable space

  Ken-Ichi Amano; Eisuke Tanaka; Kazuya Kobayashi; Hiroshi Onishi; Naoya Nishi; Tetsuo Sakka

  SURFACE SCIENCE, Nov. 2015, Peer-reviewed

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• Dendritic nanofibers of gold formed by the electron transfer at the interface between water and a highly hydrophobic ionic liquid

  Naoya Nishi; Tatsuya Kakinami; Tetsuo Sakka

  Chemical Communications, 18 Jul. 2015, Peer-reviewed

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• Spontaneous formation of microgroove arrays on the surface of p-type porous silicon induced by a turing instability in electrochemical dissolution

  Kazuhiro Fukami; Tomoko Urata; Katharina Krischer; Naoya Nishi; Tetsuo Sakka; Atsushi Kitada; Kuniaki Murase

  ChemPhysChem, 01 Jun. 2015, Peer-reviewed

  
• Simultaneous observation of nascent plasma and bubble induced by laser ablation in water with various pulse durations

  Ayaka Tamura; Ayumu Matsumoto; Kazuhiro Fukami; Naoya Nishi; Tetsuo Sakka

  Journal of Applied Physics, 07 May 2015, Peer-reviewed

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• Surface Structure of Quaternary Ammonium Based Ionic Liquid Studied Using Molecular Dynamics Simulation

  Seiji Katakura; Naoya Nishi; Kazuya Kobayashi; Ken-ichi Amano; Tetsuo Sakka

  BUNSEKI KAGAKU, Mar. 2015, Peer-reviewed

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• On-site quantitative elemental analysis of metal ions in aqueous solutions by underwater laser-induced breakdown spectroscopy combined with electrodeposition under controlled potential

  Ayumu Matsumoto; Ayaka Tamura; Ryo Koda; Kazuhiro Fukami; Yukio H. Ogata; Naoya Nishi; Blair Thornton; Tetsuo Sakka

  Analytical Chemistry, 03 Feb. 2015, Peer-reviewed

  
• Effects of temporal laser profile on the emission spectra for underwater laser-induced breakdown spectroscopy: Study by short-interval double pulses with different pulse durations

  Ayaka Tamura; Ayumu Matsumoto; Takashi Nakajima; Kazuhiro Fukami; Yukio H. Ogata; Naoya Nishi; Tetsuo Sakka

  Journal of Applied Physics, 14 Jan. 2015, Peer-reviewed

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• Effects of temporal laser profile on the emission spectra for underwater laser-induced breakdown spectroscopy: Study by short-interval double pulses with different pulse durations

  Ayaka Tamura; Ayumu Matsumoto; Takashi Nakajima; Kazuhiro Fukami; Yukio H. Ogata; Naoya Nishi; Tetsuo Sakka

  Journal of Applied Physics, 14 Jan. 2015

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• Molecular-level Structure at the Surface of Ionic Liquids

  西 直哉

  オレオサイエンス, Jul. 2015, Peer-reviewed

  
• Surface structure of quaternary ammonium based ionic liquid studied using molecular dynamics simulation

  Seiji Katakura; Naoya Nishi; Kazuya Kobayashi; Ken-Ichi Amano; Tetsuo Sakka

  Bunseki Kagaku, 2015, Peer-reviewed

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• Structure and its Potential Dependence of Ionic Liquids on Electrode Surfaces : A Surface-Enhanced Infrared Study

  本林 健太; 西 直哉; 作花 哲夫

  溶融塩および高温化学, Jan. 2015, Peer-reviewed

  
• Dendritic nanofibers of gold formed by the electron transfer at the interface between water and a highly hydrophobic ionic liquid

  Naoya Nishi; Tatsuya Kakinami; Tetsuo Sakka

  CHEMICAL COMMUNICATIONS, 2015, Peer-reviewed

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• Electrocapillarity and zero-frequency differential capacitance at the interface between mercury and ionic liquids measured using the pendant drop method

  Naoya Nishi; Atsunori Hashimoto; Eiji Minami; Tetsuo Sakka

  PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2015, Peer-reviewed

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• Ionic liquid structure at the electrified ionic liquid vertical bar Hg interface studied using in situ spectroscopic ellipsometry

  Naoya Nishi; Junya Uchiyashiki; Ryo Oogami; Tetsuo Sakka

  THIN SOLID FILMS, Nov. 2014, Peer-reviewed

  
• Effect of cation species on surface-induced phase transition observed for platinum complex anions in platinum electrodeposition using nanoporous silicon

  Ryo Koda; Akira Koyama; Kazuhiro Fukami; Naoya Nishi; Tetsuo Sakka; Takeshi Abe; Atsushi Kitada; Kuniaki Murase; Masahiro Kinoshita

  Journal of Chemical Physics, 21 Aug. 2014, Peer-reviewed

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• Two-dimensional array of particles originating from dipole-dipole interaction as evidenced by potential curve measurements at vertical oil/water interfaces

  Tetsuo Sakka; Daichi Kozawa; Kiyoto Tsuchiya; Nao Sugiman; Gisle Øye; Kazuhiro Fukami; Naoya Nishi; Yukio H. Ogata

  Physical Chemistry Chemical Physics, 23 Jul. 2014, Peer-reviewed

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• Effects of pulse width on nascent laser-induced bubbles for underwater laser-induced breakdown spectroscopy

  Tetsuo Sakka; Ayaka Tamura; Ayumu Matsumoto; Kazuhiro Fukami; Naoya Nishi; Blair Thornton

  Spectrochimica Acta - Part B Atomic Spectroscopy, 01 Jul. 2014, Peer-reviewed

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• 科学奨励賞受賞者によるReview イオン液体界面における構造とダイナミクスの多角的な界面分光法による研究

  西 直哉

  C & I commun : colloid & interface communication : newsletter from DCSC, Jan. 2014, Peer-reviewed

  
• Lateral growth of polypyrrole electropolymerized along hydrophobic insulative substrates

  Akira Koyama; Kazuhiro Fukami; Takeshi Yamauchi; Naoya Nishi; Tetsuo Sakka; Atsushi Kitada; Kuniaki Murase

  ECS Electrochemistry Letters, 01 Jan. 2014, Peer-reviewed

  
• Hysteresis of Potential-Dependent Changes in Ion Density and Structure of an Ionic Liquid on a Gold Electrode: In Situ Observation by Surface-Enhanced Infrared Absorption Spectroscopy

  Kenta Motobayashi; Kazuya Minami; Naoya Nishi; Tetsuo Sakka; Masatoshi Osawa

  JOURNAL OF PHYSICAL CHEMISTRY LETTERS, Sep. 2013, Peer-reviewed

  
• Ultraslow relaxation of the structure at the ionic liquid-gold electrode interface to a potential step probed by electrochemical surface plasmon resonance measurements: Asymmetry of the relaxation time to the potential-step direction

  Naoya Nishi; Yuta Hirano; Toshiyuki Motokawa; Takashi Kakiuchi

  Physical Chemistry Chemical Physics, 28 Jul. 2013, Peer-reviewed

  
• Surface Structure of a Hydrophobic Ionic Liquid Probed by Spectroscopic Ellipsometry

  Naoya Nishi; Kohji Kasuya; Takashi Kakiuchi

  JOURNAL OF PHYSICAL CHEMISTRY C, Mar. 2012, Peer-reviewed

  
• Charging current probing of the slow relaxation of the ionic liquid double layer at the Pt electrode

  Shimpei Makino; Yuki Kitazumi; Naoya Nishi; Takashi Kakiuchi

  ELECTROCHEMISTRY COMMUNICATIONS, Dec. 2011, Peer-reviewed

  
• Differential pulse stripping voltammetry of moderately hydrophobic ions based on hydrophobic ionic liquid membranes supported on the Ag/AgCl electrode

  Takuya Ohtani; Naoya Nishi; Takashi Kakiuchi

  JOURNAL OF ELECTROANALYTICAL CHEMISTRY, Jun. 2011, Peer-reviewed

  
• Temperature Dependence of Multilayering at the Free Surface of Ionic Liquids Probed by X-ray Reflectivity Measurements

  Naoya Nishi; Tomoya Uruga; Hajime Tanida; Takashi Kakiuchi

  LANGMUIR, Jun. 2011, Peer-reviewed

  
• A comparison of the ultraslow relaxation processes at the ionic liquid/water interface for three hydrophobic ionic liquids

  Yukinori Yasui; Yuki Kitazumi; Hiroyuki Mizunuma; Naoya Nishi; Takashi Kakiuchi

  ELECTROCHEMISTRY COMMUNICATIONS, Nov. 2010, Peer-reviewed

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• Analysis of Equilibrium Electrocapillary Curves at the Interface between Hydrophobic Ionic Liquid, Trioctylmethylammonium Bis(nonafluorobutanesulfonyl)amide, and Aqueous Lithium Chloride Solutions

  Yukinori Yasui; Yuki Kitazumi; Naoya Nishi; Takashi Kakiuchi

  JOURNAL OF CHEMICAL AND ENGINEERING DATA, Oct. 2010, Peer-reviewed

  
• Voltammetric Manifestation of the Ultraslow Dynamics at the Interface between Water and an Ionic Liquid

  Takashi Kakiuchi; Yukinori Yasui; Yuki Kitazumi; Naoya Nishi

  CHEMPHYSCHEM, Sep. 2010, Peer-reviewed

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• Electrocapillarity under Ultraslow Relaxation of the Ionic Liquid Double Layer at the Interface between Trioctylmethylammonium Bis(nonafluorobutanesulfonyl)amide and Water

  Yukinori Yasui; Yuki Kitazumi; Naoya Nishi; Takashi Kakiuchi

  JOURNAL OF PHYSICAL CHEMISTRY B, Sep. 2010, Peer-reviewed

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• Determination of the Activity of 1-Methyl-3-octylimidazolium Bis(trifluoromethanesulfonyl)amide in Binary Ionic Liquids from the Solubility in Water

  Yuko Hirohata; Naoya Nishi; Takashi Kakiuchi

  JOURNAL OF CHEMICAL AND ENGINEERING DATA, May 2010, Peer-reviewed

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• Ionic multilayers at the free surface of an ionic liquid, trioctylmethylammonium bis(nonafluorobutanesulfonyl)amide, probed by x-ray reflectivity measurements

  Naoya Nishi; Yukinori Yasui; Tomoya Uruga; Hajime Tanida; Tasuku Yamada; Shun-ichi Nakayama; Hideki Matsuoka; Takashi Kakiuchi

  JOURNAL OF CHEMICAL PHYSICS, Apr. 2010, Peer-reviewed

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• Orientation Correlation of Sulfosuccinate-based Room-Temperature Ionic Liquids Studied by Polarization-Resolved Hyper-Rayleigh Scattering

  Guillaume Revillod; Naoya Nishi; Takashi Kakiuchi

  JOURNAL OF PHYSICAL CHEMISTRY B, Nov. 2009, Peer-reviewed

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• Characterization of Electrodeposited Gold and Palladium Nanowire Gratings with Optical Diffraction Measurements

  Aaron R. Halpern; Naoya Nishi; Jia Wen; Fan Yang; Chengxiang Xiang; Reginald M. Penner; Robert M. Corn

  ANALYTICAL CHEMISTRY, Jul. 2009, Peer-reviewed

  
• Phase Transition of a Binary Room-Temperature Ionic Liquid Composed of Bis penta uoroethanesulfonyl amide Salts of etraheptylammonium and N-Tetradecylisoquinolinium and Its Surface Properties at the Ionic Liquid vertical bar Water Interface

  Ryoichi Ishimatsu; Yuki Kitazumi; Naoya Nishi; Takashi Kakiuchi

  JOURNAL OF PHYSICAL CHEMISTRY B, Jul. 2009, Peer-reviewed

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• Ultraslow Response of Interfacial Tension to the Change in the Phase-Boundary Potential at the Interface between Water and a Room-Temperature Ionic Liquid, Trioctylmethylammonium bis(nonafluorobutanesulfonyl)amide

  Yukinori Yasui; Yuki Kitazumi; Ryoichi Ishimatsu; Naoya Nishi; Takashi Kakiuchi

  JOURNAL OF PHYSICAL CHEMISTRY B, Mar. 2009, Peer-reviewed

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• Hydrophobic Ionic Liquids Composed of Perfluoroalkyltrifluoroborates for Ionic Liquid-Water Two-Phase Systems

  Naoya Nishi; Akihito Suzuki; Takashi Kakiuchi

  BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, Jan. 2009, Peer-reviewed

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• Use of Highly Hydrophobic Ionic Liquids for Ion-selective Electrodes of the Liquid Membrane Type

  Naoya Nishi; Hiroshi Murakami; Yukinori Yasui; Takashi Kakiuchi

  ANALYTICAL SCIENCES, Oct. 2008, Peer-reviewed

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• A digital simulation study of steady-state voltammograms for the ion transfer across the liquid-liquid interface formed at the orifice of a micropipette

  Naoya Nishi; Seiichi Imakura; Takashi Kakiuchi

  JOURNAL OF ELECTROANALYTICAL CHEMISTRY, Sep. 2008, Peer-reviewed

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• New class of Ag/AgCl electrodes based on hydrophobic ionic liquid saturated with AgCl

  Takashi Kakiuchi; Takahiro Yoshimatsu; Naoya Nishi

  ANALYTICAL CHEMISTRY, Sep. 2007

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• Wide polarized potential windows at the interface between water and an ionic liquid, tetraheptylammonium tetrakis[3,5-bis(trifluoromethyl)phenyl]borate

  Ryoichi Ishimatsu; Naoya Nishi; Takashi Kakiuchi

  CHEMISTRY LETTERS, Sep. 2007

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• Orientation of 1-dodecyl-4-phenylpyridinium ions constituting an ionic liquid at the ionic liquid vertical bar water interface studied by second harmonic generation

  Naoya Nishi; Ryoichi Ishimatsu; Masahiro Yamamoto; Takashi Kakiuchi

  JOURNAL OF PHYSICAL CHEMISTRY C, Aug. 2007

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• Interfacial ion pairing at the interface between water and a room-temperature ionic liquid, N-tetradecylisoquinolinium bis(pentafluoroethylsulfonyl)imide

  Ryoichi Ishimatsu; Naoya Nishi; Takashi Kakiuchi

  LANGMUIR, Jul. 2007

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• Concentration-dependent switching of the mode of phase separation in ternary self-assembled monolayers of 2-mercaptoethane sulfonic acid, 2-aminoethanethiol and 1-dodecanethiol on Au(111)

  Pham Hong Phong; Vladimir V. Sokolov; Naoya Nishi; Masahiro Yamamoto; Takashi Kakiuchi

  JOURNAL OF ELECTROANALYTICAL CHEMISTRY, Feb. 2007

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• Structure of the electrical double layer on the aqueous solution side of the polarized interface between water and a room-temperature ionic liquid, tetrahexylammonium bis(trifluoromethylsulfonyl)imide

  Ryoichi Ishimatsu; Fumiko Shigematsu; Takuma Hakuto; Naoya Nishi; Takashi Kakiuchi

  LANGMUIR, Jan. 2007

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• Ionic liquid vertical bar water interface: A new electrified system for electrochemistry

  Takashi Kakiuchi; Naoya Nishi

  ELECTROCHEMISTRY, Dec. 2006

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• Facilitated transfer of alkali-metal cations by dibenzo-18-crown-6 across the electrochemically polarized interface between an aqueous solution and a hydrophobic room-temperature ionic liquid

  Naoya Nishi; Hiroshi Murakami; Seiichi Imakura; Takashi Kakiuchi

  ANALYTICAL CHEMISTRY, Aug. 2006

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• Voltammetry of ion transfer across the electrochemically polarized micro liquid-liquid interface between water and a room-temperature ionic liquid, tetrahexylammonium bis(trifluoromethylsulfonyl)imide, using a glass capillary micropipette

  N Tsujioka; S Imakura; N Nishi; T Kakiuchi

  ANALYTICAL SCIENCES, May 2006

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• Wide electrochemical window at the interface between water and a hydrophobic room-temperature ionic liquid of tetrakis[3,5-bis(trifluoromethyl)phenyl]borate

  N Nishi; S Imakura; T Kakiuchi

  ANALYTICAL CHEMISTRY, Apr. 2006

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• Fluorine-free and hydrophobic room-temperature ionic liquids, tetraalkylammonium bis(2-ethylhexyl)sulfosuccinates, and their ionic liquid-water two-phase properties

  N Nishi; T Kawakami; F Shigematsu; M Yamamoto; T Kakiuchi

  GREEN CHEMISTRY, 2006

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• Phase separation of ternary self-assembled monolayers into hydrophobic 1-dodecanethiol domains and electrostatically stabilized hydrophilic domains composed of 2-aminoethanethiol and 2-mercaptoethanesulfonic acid on Au(111)

  PH Phong; Y Ooi; D Hobara; N Nishi; M Yamamoto; T Kakiuchi

  LANGMUIR, Nov. 2005

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• Fluorescence lifetime measurements of coumarin 343 for sub-ps solvation dynamics in w vertical bar Aerosol-OT vertical bar 1,2-dichloroethane reverse micelle systems

  Y Iwami; M Yamamoto; N Nishi; T Kakiuchi

  BUNSEKI KAGAKU, Jun. 2005

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• Polarized potential window available at the interface between an aqueous electrolyte solution and tetraalkylammonium imide salts

  T Kakiuchi; N Tsujioka; K Sueishi; N Nishi; M Yamamoto

  ELECTROCHEMISTRY, Dec. 2004

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• Electroneutrality coupling of electron transfer at an electrode surface and ion transfer across the interface between thin-layer of 1-octyl-3-methylimidazolium bis(perfluoroalkylsulfonyl)imide covering the electrode surface and an outer electrolyte solution

  K Tanaka; N Nishi; T Kakiuchi

  ANALYTICAL SCIENCES, Nov. 2004

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• Electrochemical instability in the transfer of cationic surfactant across the 1,2-dichloroethane/water interface

  T Kasahara; N Nishi; M Yamamoto; T Kakiuchi

  LANGMUIR, Feb. 2004

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• Electrocapillarity at the nonpolarized interface between the aqueous solution and the room-temperature molten salt composed of 1-octyl-3-methylimidazolium bis(pentafluoroethylsulfonyl)imide

  T Kakiuchi; F Shigematsu; T Kasahara; N Nishi; M Yamamoto

  PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2004

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• Orientation of o-, m-, and p-methylbenzylmercaptans adsorbed on Au(111) probed by broad-bandwidth sum frequency generation spectroscopy

  N Nishi; D Hobara; M Yamamoto; T Kakiuchi

  LANGMUIR, Jul. 2003

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• Total-internal-reflection broad-bandwidth sum frequency generation spectroscopy of hexadecanethiol adsorbed on thin gold film deposited on CaF2

  N Nishi; D Hobara; M Yamamoto; T Kakiuchi

  ANALYTICAL SCIENCES, Jun. 2003

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• Potential-dependent adsorption of transferring ions having asymmetric charge distribution at the 1,2-dichloroethane vertical bar water interface and its ion-transfer kinetics studied by AC-modulated voltfluorometry

  N Nishi; T Kakiuchi

  RUSSIAN JOURNAL OF ELECTROCHEMISTRY, Feb. 2003

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• Regular irregularity in the transfer of anionic surfactant across the liquid/liquid interface

  T Kakiuchi; N Nishi; T Kasahara; M Chiba

  CHEMPHYSCHEM, Feb. 2003

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• Chain-length-dependent change in the structure of self-assembled monolayers of n-alkanethiols on Au(111) probed by broad-bandwidth sum frequency generation spectroscopy

  N Nishi; D Hobara; M Yamamoto; T Kakiuchi

  JOURNAL OF CHEMICAL PHYSICS, Jan. 2003

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• AC-modulated voltfluorometric study of the transient adsorption of Rose Bengal dianions in the transfer across the 1,2-dichloroethane vertical bar water interface

  N Nishi; K Izawa; M Yamamoto; T Kakiuchi

  JOURNAL OF PHYSICAL CHEMISTRY B, Aug. 2001

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• Oxygen chemical potential variation in ceria-based solid oxide fuel cells determined by Raman spectroscopy

  A Mineshige; T Taji; Y Muroi; M Kobune; S Fujii; N Nishi; M Inaba; Z Ogumi

  SOLID STATE IONICS, Nov. 2000

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Misc.

• 分子動力学法による四級アンモニウム系イオン液体の電気二重層容量と界面におけるイオン配向のカチオン種依存性

  片倉誠士; 西直哉; 小林和弥; 天野健一; 作花哲夫

  電気化学会大会講演要旨集(CD-ROM), 2017

  
• 分子動力学法による四級アンモニウム系イオン液体の気液界面構造の研究:カチオンの長鎖,短鎖アルキル基の組み合わせが及ぼす影響

  片倉誠士; 西直哉; 小林和弥; 天野健一; 作花哲夫

  分析化学討論会講演要旨集, 2017

  
• 分子動力学法を用いた四級アンモニウム系イオン液体|電極界面構造の研究:長鎖,短鎖アルキル基の組み合わせが及ぼす影響

  片倉誠士; 西直哉; 小林和弥; 天野健一; 作花哲夫

  電気化学会大会講演要旨集(CD-ROM), 2016

  
• 低濃度塩水EORに向けた粘土鉱物表面イオン交換による濡れ性変化:Ca²⁺吸着による油濡れ促進のメカニズムについて

  小林和弥; LIANG Yunfeng; 村田澄彦; 松岡俊文; 松岡俊文; 高橋悟; 下河原麻衣; 天野健一; 西直哉; 作花哲夫

  石油技術協会誌, 2016

  
• 低濃度塩水EORに向けた粘土鉱物表面イオン交換による濡れ性変化:Ca²⁺吸着による油濡れ促進のメカニズムについて

  小林和弥; LIANG Yunfeng; LIANG Yunfeng; 村田澄彦; 松岡俊文; 高橋悟; 下河原麻衣; 天野健一; 西直哉; 作花哲夫

  石油技術協会誌, 2016

  
• 低濃度塩水EORに向けた分子動力学法による粘土鉱物表面での濡れ性変化の検討

  小林和弥; 梁云峰; 松岡俊文; 村田澄彦; 高橋悟; 下河原麻衣; 天野健一; 西直哉; 作花哲夫

  石油・石油化学討論会講演要旨, 2016

  
• イオン液体の電気二重層の分子動力学シミュレーションによる解析:平均場格子ガスモデルはどこまで微分容量を説明しているか

  片倉誠士; 西直哉; 小林和弥; 天野健一; 作花哲夫

  ポーラログラフィーおよび電気分析化学討論会講演要旨集(Web), 2016

  
• 分子動力学法による四級アンモニウム系イオン液体|電極界面構造の研究

  片倉誠士; 西直哉; 小林和弥; 天野健一; 作花哲夫

  電気化学会大会講演要旨集(CD-ROM), 2015

  
• 四級アンモニウム系イオン液体|電極界面における電気二重層:分子動力学法による界面イオン層構造の研究

  片倉誠士; 西直哉; 小林和弥; 天野健一; 作花哲夫

  Review of Polarography, 2015

  
• 分子動力学法を用いた四級アンモニウム系イオン液体の電極界面構造とその電位依存性評価

  片倉誠士; 西直哉; 小林和弥; 天野健一; 作花哲夫

  電気化学秋季大会講演要旨集(CD-ROM), 2015

  
• 分子動力学シミュレーションによる白雲母|NaCl水溶液界面での油滴の濡れ性の検討

  小林和弥; LIANG Yunfeng; 松岡俊文; 西直哉; 作花哲夫

  日本地球惑星科学連合大会予稿集(Web), 2015

  
• 分子動力学法を用いた四級アンモニウム系イオン液体の界面構造の研究

  片倉誠士; 西直哉; 小林和弥; 天野健一; 作花哲夫

  Review of Polarography, 2014

  
• 粘度応答性蛍光分子プローブを用いるイオン液体界面の粘性評価

  山澤隆史; 高橋浩三; 天野健一; 作花哲夫; 堀田弘樹; 花岡健二郎; 西直哉

  電気化学秋季大会講演要旨集(CD-ROM), 2019

  
• イオン液体と水銀の間のソフト電気化学界面における構造 : 分光エリプソメトリーによる研究

  内屋敷 純也; 西 直哉

  ポーラログラフィー, 21 Nov. 2012

  
• イオン液体|水界面における界面活性イオンの吸着特性の電気毛管測定による評価

  南 栄次; 西 直哉

  ポーラログラフィー, 21 Nov. 2012

  
• イオン液体塩橋を用いるHBr水溶液中の水素イオンと臭化物イオンの単独イオン活量測定

  南 和也; 守山 泰史; 北隅 優希; 西 直哉; 垣内 隆

  ポーラログラフィー, 21 Nov. 2012

  
• イオン液体塩橋を用いるMgX_2水液中の塩化物イオン活量測定とMg^<2+>活量の推定

  守山 泰史; 南 和也; 北隅 優希; 西 直哉; 垣内 隆

  ポーラログラフィー, 21 Nov. 2012

  
• 希薄溶液に適したピロリジニウム系イオン液体塩橋の開発

  藤野 洋祐; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 07 Nov. 2008

  
• イオン液体被覆銀塩化銀電極を用いるイオン移動ストリッピングボルタンメトリーの高感度化 : かく拌による濃縮効果の向上

  大谷 拓也; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 07 Nov. 2008

  
• Au(111)面上に形成された粗に分布した 11-aminoundecanethiol と 11-mercapto-1-undecanol からなる二成分自己組織化単分子膜上における電気二重層効果

  谷口 諒; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 07 Nov. 2008

  
• 溶融塩気液界面の構造の分子動力学シミュレーション

  山本 雅博; 西 直哉; 垣内 隆

  ポーラログラフィー, 07 Nov. 2008

  
• Au(111)面上に形成させた末端が負に帯電したアルカンチオール自己組織化単分子膜への四級アンモニウムイオンの吸着による三次元構造の構築

  本川 俊行; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 07 Nov. 2008

  
• 1-dodecyl-4-phenylpyridinium を含む二成分系イオン液体|水界面の構造のイオン液体組成依存性

  広畑 悠子; 北隅 優希; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 07 Nov. 2008

  
• イオン液体 N-octadecylisoquinolinium tetrakis[3,5-bis(trifluoromethyl)phenyl]borate の精製が物性に与える影響

  松山 嘉夫; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 07 Nov. 2008

  
• 正電荷を持つ疎水部と電荷を持たない親水部からなる新規界面活性イオンの油水界面における吸着の電位依存性

  北隅 優希; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 07 Nov. 2008

  
• 液液界面を横切るイオン移動ボルタンメトリーによるフタル酸水素イオンの疎水性評価

  金村 進介; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 07 Nov. 2008

  
• イオン液体|水界面における電気二重層構造の遅い緩和とそのボルタンメトリーに及ぼす影響

  安井 幸則; 北隅 優希; 石松 亮一; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 07 Nov. 2008

  
• イオン液体|水界面から発生する第二高調波強度のイオン液体構成イオン種依存性の検討

  西 直哉; 石松 亮一; 山本 雅博; 垣内 隆

  ポーラログラフィー, 13 Nov. 2007

  
• 液液界面の電気二重層 : MVN model revisited

  山本 雅博; 垣内 隆; 西 直哉

  ポーラログラフィー, 13 Nov. 2007

  
• 胆汁酸アニオンの構造の違いがニトロベンゼン|水界面における吸着挙動に及ぼす影響 : 電気毛管曲線測定による検討

  水沼 宏之; 北隅 優希; 石松 亮一; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 13 Nov. 2007

  
• 二成分系イオン液体|水界面におけるイオン液体構成カチオンの表面過剰量のイオン液体組成依存性

  広畑 悠子; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 13 Nov. 2007

  
• ボルタモグラムと電気毛管曲線の同時記録に基づいた電気化学的不安定性の発現する電位領域の確定

  北隅 優希; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 13 Nov. 2007

  
• イオン液体を構成する alkylpyridinium 系カチオンの置換基と水相の親水性アニオンのイオン液体|水界面における特異的相互作用の検出

  石松 亮一; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 13 Nov. 2007

  
• イオン液体|水界面の電気二重層構造の緩和過程 : 界面張力測定による検討

  安井 幸則; 北隅 優希; 石松 亮一; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 13 Nov. 2007

  
• Au(111)面上に形成させた正及び負に帯電する短鎖チオールドメインを有する相分離二成分自己組織化単分子膜へのカウンターイオンの選択的吸着

  西中 俊平; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 13 Nov. 2007

  
• 疎水性イオン液体-水二相系の電気化学特性に重金属カチオンが与える影響 : 液液界面イオン移動ボルタンメトリーによる検討

  鈴木 章仁; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 13 Nov. 2007

  
• イオン液体被覆銀塩化銀電極を用いるイオン移動ストリッピングボルタンメトリー

  大谷 拓也; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 13 Nov. 2007

  
• 交流インピーダンス法によるイオン液体|金属界面の微分容量測定

  青木 智乃紳; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 13 Nov. 2007

  
• Au(111)面上に形成された methyl 基, 水酸基, carboxyl 基および trimethylammonium 基を末端に持つ長鎖 alkanethiol 自己組織化単分子膜上における酸化還元反応速度の再検討

  谷口 諒; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 13 Nov. 2007

  
• 疎水性イオン液体を構成するイオンの油水界面イオン移動ボルタンメトリー

  田中 聡; 北隅 優希; 松岡 陽介; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 16 Nov. 2006

  
• Au(111)面上に形成させたグルタチオン自己組織化単分子膜上での酸化還元反応速度に与える電気二重層効果と多価カチオンとの錯生成による膜構造の変化

  寺川 康子; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 16 Nov. 2006

  
• 電気化学的不安定性が発現する電位幅に基づくイオンの界面活性能の評価

  北隅 優希; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 16 Nov. 2006

  
• 金(111)表面における 2-Aminoethanethiol と 3-Mercaptopropionic acid の二成分チオール相分離自己組織化単分子膜の形成と相分離膜上への帯電ナノ粒子の吸着

  西中 俊平; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 16 Nov. 2006

  
• Tetracyanoborate を構成イオンとする新規イオン液体の調製と液液界面イオン移動ボルタンメトリーによる疎水性の検討

  鈴木 章仁; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 16 Nov. 2006

  
• イオン液体-水二相系によるキラル分離を目的とした光学活性イオンを構成イオンとする疎水性イオン液体の調製

  水沼 宏之; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 16 Nov. 2006

  
• イオン液体を構成する界面活性カチオンと水相中のアニオンのイオン液体|水界面における特異的相互作用 : 電気毛管測定による検討

  石松 亮一; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 16 Nov. 2006

  
• 界面活性カチオンと非界面活性カチオンを構成イオンとする混合イオン液体と水との界面における界面活性カチオンの配向 : 光第二高調波発生分光法による解析

  西 直哉; 石松 亮一; 山本 雅博; 垣内 隆

  ポーラログラフィー, 16 Nov. 2006

  
• イオン液体コート参照電極の作製と希薄水溶液に対する電位の安定性の検討

  吉松 孝宗; 鈴木 章仁; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 16 Nov. 2006

  
• クラウンエーテルを溶解させたイオン液体ゲルを利用したイオン選択性電極

  村上 浩; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 16 Nov. 2006

  
• イミダゾリウム系常温溶融塩薄膜被覆電極を用いる常温溶融塩 : 水界面における電荷移動過程

  田中 寿幸; 辻岡 典洋; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 14 Nov. 2003

  
• Aerosol OT をアニオンに用いた新規常温溶融塩の物性

  重松 文子; 西 直哉; 山本 雅博; 垣内 隆

  ポーラログラフィー, 14 Nov. 2003

  
• 金表面に吸着した芳香族系チオールのFTIR反射吸収スペクトルに見られるピーク強度比の異常について

  西 直哉; 川上 敬寛; 保原 大介; 山本 雅博; 垣内 隆

  ポーラログラフィー, 14 Nov. 2003

  
• 金表面におけるベンジルメルカプタン誘導体自己組織化単分子膜の反射吸収FTIR分光法を用いた分子配向解析

  川上 敬寛; 西 直哉; 保原 大介; 山本 雅博; 垣内 隆

  ポーラログラフィー, 14 Nov. 2003

  
• 金(111)面上アルカンチオール自己組織化単分子膜の構造の鎖長依存性 : ブロードバンド和周波発生分光法による解析

  西 直哉; 保原 大介; 山本 雅博; 垣内 隆

  ポーラログラフィー, 30 Aug. 2002

  
• イオン液体界面に形成されるイオン多層構造のX線反射率測定による解析:イオン種依存性

  西直哉; 粕谷浩二; 宇留賀朋哉; 谷田肇; 垣内隆

  日本化学会講演予稿集, 2011

  
• 界面選択的な分光法でみるイオン液体界面の分子レベル構造

  西直哉; 粕谷浩二; 平野雄大; 宇留賀朋哉; 谷田肇; 垣内隆

  コロイドおよび界面化学討論会講演要旨集, 2011

  
• X線反射率測定による疎水性イオン液体Trioctylmethylammonium bis(nonafluorobutanesulfonyl)amide表面の層構造解析

  西直哉; 安井幸則; 宇留賀朋哉; 谷田肇; 松岡秀樹; 垣内隆

  電気化学会大会講演要旨集, 2010

  
• イオン液体界面の分子構造

  西 直哉

  溶融塩および高温化学, 2005

  
• 全反射電位規制蛍光法を用いたキサンテン系色素イオン液液界面移動における界面吸着の解析

  西 直哉; 保原 大介; 山本 雅博; 垣内 隆

  ポーラログラフィー, 30 Oct. 1999

  
• 水/1,2-ジクロロエタン界面における金属イオンと8-キノリノール誘導体の多段階錯形成

  小寺 一廣; 西 直哉; 保原 大介; 山本 雅博; 垣内 隆

  ポーラログラフィー, 30 Oct. 1999

  
• Enhancement of stratification of colloidal particles near a substrate induced by addition of non-adsorbing polymers

  Satoshi Furukawa; Ken ichi Amano; Taira Ishihara; Kota Hashimoto; Naoya Nishi; Hiroshi Onishi; Tetsuo Sakka

  Chemical Physics Letters, Nov. 2019, Peer-reviewed

  
• Template-Free and Spontaneous Formation of Vertically Aligned Pd Nanofiber Arrays at the Liquid-Liquid Interface between Redox-Active Ionic Liquid and Water

  Yu Zhang; Naoya Nishi; Tetsuo Sakka

  ACS Applied Materials and Interfaces, 03 Jul. 2019, Peer-reviewed

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• Potential-Dependent Structure of the Ionic Layer at the Electrode Interface of an Ionic Liquid Probed Using Neutron Reflectometry

  Naoya Nishi; Junya Uchiyashiki; Yoichi Ikeda; Seiji Katakura; Tatsuro Oda; Masahiro Hino; Norifumi L. Yamada

  Journal of Physical Chemistry C, Apr. 2019, Peer-reviewed

  
• Surface Structure of Quaternary Ammonium-Based Ionic Liquids Studied Using Molecular Dynamics Simulation: Effect of Switching the Length of Alkyl Chains

  Seiji Katakura; Naoya Nishi; Kazuya Kobayashi; Ken Ichi Amano; Tetsuo Sakka

  Journal of Physical Chemistry C, 01 Jan. 2019

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• Ionic liquid-in-water emulsion-templated synthesis of gold nanoshells at the liquid-liquid interface between water and primary ammonium-based ionic liquids

  Seiji Takagi; Naoya Nishi; Tetsuo Sakka

  Chemistry Letters, 2019, Peer-reviewed

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• Surface Structure of Quaternary Ammonium-Based Ionic Liquids Studied Using Molecular Dynamics Simulation: Effect of Switching the Length of Alkyl Chains

  Seiji Katakura; Naoya Nishi; Kazuya Kobayashi; Ken Ichi Amano; Tetsuo Sakka

  Journal of Physical Chemistry C, 28 Mar. 2019, Peer-reviewed

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• Static capacitance at the electrochemical liquid-liquid interface between ionic liquids and eutectic Ga-In alloy measured using the pendant drop method

  Naoya Nishi; Yasuro Kojima; Seiji Katakura; Tetsuo Sakka

  Electrochemistry, 2018

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• Stratification of Colloidal Particles on a Surface: Study by a Colloidal Probe Atomic Force Microscopy Combined with a Transform Theory

  Ken Ichi Amano; Taira Ishihara; Kota Hashimoto; Naoyuki Ishida; Kazuhiro Fukami; Naoya Nishi; Tetsuo Sakka

  Journal of Physical Chemistry B, Apr. 2018, Peer-reviewed

  
• Potential of mean force between spherical particles in an ionic liquid and its decomposition into energetic and entropic components: An analysis using an integral equation theory

  Ken ichi Amano; Tomohiko Hayashi; Kota Hashimoto; Naoya Nishi; Tetsuo Sakka

  Journal of Molecular Liquids, 01 May 2018, Peer-reviewed

  
• A relationship between the force curve measured by atomic force microscopy in an ionic liquid and its density distribution on a substrate

  Ken-ichi Amano; Yasuyuki Yokota; Takashi Ichii; Norio Yoshida; Naoya Nishi; Seiji Katakura; Akihito Imanishi; Ken-ichi Fukui; Tetsuo Sakka

  PHYSICAL CHEMISTRY CHEMICAL PHYSICS, Dec. 2017

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• Ion Distribution and Hydration Structure in the Stern Layer on Muscovite Surface

  Kazuya Kobayashi; Yunfeng Liang; Sumihiko Murata; Toshifumi Matsuoka; Satoru Takahashi; Naoya Nishi; Tetsuo Sakka

  LANGMUIR, Apr. 2017

  
• 中性子反射率法によるイオン液体の電気二重層構造の研究

  NISHI NAOYA; IKEDA YOICHI; KATAKURA SEIJI; HINO MASAHIRO; ODA TATSURO; YAMADA NORIFUMI; AMANO KEN'ICHI; SAKKA TETSUO

  電気化学会大会講演要旨集(CD-ROM), 09 Mar. 2015

  
• ポーラスシリコンへの白金置換析出：孔径と白金錯イオン径の影響

  小山 輝; 深見一弘; 幸田吏央; 西 直哉; 作花哲夫; 安部武志; 北田 敦; 邑瀬邦明; 木下正弘

  電気化学会第81回大会, Mar. 2014

  
• ポーラスシリコンへの白金置換析出：共存カチオンの影響

  幸田吏央; 小山 輝; 深見一弘; 西 直哉; 作花哲夫; 安部武志; 北田 敦; 邑瀬邦明; 木下正弘

  電気化学会第81回大会, Mar. 2014

  
• [講演要旨] イオン液体|金電極界面構造の緩慢緩和に自己組織化単分子膜が及ぼす影響

  平野 雄大; 北隅 優希; 西 直哉; 垣内 隆

  ポーラログラフィー, 21 Nov. 2011

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• イオン液体 trioctylmethylammonium bis(no nafluorobutanesulfonyl)amide|水界面を横切るイオン移動に見られる自己阻害効果

  山内 隆典; 北隅 優希; 西 直哉; 垣内 隆

  ポーラログラフィー, 21 Nov. 2011

  
• [講演要旨] 電気化学的不安定性により引き起こされる自発乳化の蛍光顕微鏡観察に基づいた理解

  北隅 優希; 西 直哉; 垣内 隆

  ポーラログラフィー, 21 Nov. 2011

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• [講演要旨] X線反射率測定によるイオン液体|水界面の構造解析

  西 直哉; 粕谷 浩二; 北隅 優希; 垣内 隆

  ポーラログラフィー, 21 Nov. 2011

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• [講演要旨] 分光エリプソメトリーを用いた二成分イオン液体の表面およびその水との界面における構造の解析

  粕谷 浩二; 北隅 優希; 西 直哉; 垣内 隆

  ポーラログラフィー, 21 Nov. 2011

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• [講演要旨] Tetrapropylammonium dodecylsulfate 存在下での油水二相系における界面電位差振動現象に及ぼすエマルションの影響

  内屋敷 純也; 北隅 優希; 西 直哉; 垣内 隆

  ポーラログラフィー, 21 Nov. 2011

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• [講演要旨] イオン液体塩橋を用いたハロゲン化水素酸中の単独イオン活量の決定

  南 和也; 北隅 優希; 西 直哉; 垣内 隆

  ポーラログラフィー, 21 Nov. 2011

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• [講演要旨] イオン液体|Pt界面におけるフェロセン及びその誘導体の酸化還元ボルタモグラムの解析

  牧野 真平; 北隅 優希; 西 直哉; 垣内 隆

  ポーラログラフィー, 21 Nov. 2011

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• [講演要旨] リン酸pH標準液のイオン液体塩橋への影響

  守山 泰史; 北隅 優希; 西 直哉; 垣内 隆

  ポーラログラフィー, 21 Nov. 2011

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• [講演要旨] 液液界面における吸着の電位依存性に基づいたイオン性界面活性剤の評価基準の構築

  二子石 師; 北隅 優希; 西 直哉; 垣内 隆

  ポーラログラフィー, 21 Nov. 2011

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• [講演要旨] 4級アンモニウム系カチオンを用いた低融点超疎水性イオン液体の開発

  板倉 大地; 北隅 優希; 西 直哉; 垣内 隆

  ポーラログラフィー, 21 Nov. 2011

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• [講演要旨] 分光エリプソメトリーによるイオン液体|水銀界面の構造解析

  大神 諒; 粕谷 浩二; 北隅 優希; 西 直哉; 垣内 隆

  ポーラログラフィー, 21 Nov. 2011

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• Shikata Discussion 2011 Report by a Member of the Organizing Committee

  NISHI Naoya

  Review of Polarography, 30 Sep. 2011

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• Discussion

  NISHI Naoya

  Review of Polarography, 31 May 2011

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• イオン液体界面の特異的構造の界面分光学的研究

  西 直哉

  ポーラログラフィー, 19 Oct. 2010

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• 分配により電位制御した液液界面の電気毛管曲線に基づく界面活性イオンの吸着における電位依存性の評価

  北隅 優希; 西 直哉; 垣内 隆

  ポーラログラフィー, 19 Oct. 2010

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• ホスホニウム系イオン液体塩橋を用いた塩酸水溶液の水素イオンの単独イオン活量の決定

  境田 英彰; 北隅 優希; 西 直哉; 垣内 隆

  ポーラログラフィー, 19 Oct. 2010

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• 標準イオン移動電位に基づくイオン液体中におけるイオン液体構成イオンと親水性イオンの相互作用の評価

  寺岡 綾太; 北隅 優希; 西 直哉; 垣内 隆

  ポーラログラフィー, 19 Oct. 2010

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• 表面プラズモン共鳴によるイオン液体|金界面における緩慢な構造緩和過程の解析

  平野 雄大; 牧野 真平; 本川 俊行; 北隅 優希; 西 直哉; 垣内 隆

  ポーラログラフィー, 19 Oct. 2010

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• イオン液体-水二相系においてイオン液体中に自発的に形成されたエマルションへの水相内イオンの取り込み

  鈴木 侑磨; 北隅 優希; 西 直哉; 垣内 隆

  ポーラログラフィー, 19 Oct. 2010

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• 分光エリプソメトリーを用いる疎水性イオン液体の表面ラフネス層の構造解析

  粕谷 浩二; 北隅 優希; 西 直哉; 垣内 隆

  ポーラログラフィー, 19 Oct. 2010

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• Analysis of Equilibrium Electrocapillary Curves at the Interface between Hydrophobic Ionic Liquid, Trioctylmethylammonium Bis(nonafluorobutanesulfonyl)amide, and Aqueous Lithium Chloride Solutions

  Yukinori Yasui; Yuki Kitazumi; Naoya Nishi; Takashi Kakiuchi

  JOURNAL OF CHEMICAL AND ENGINEERING DATA, Oct. 2010

  
• The 12th Forum of Fundamentals of Electrochemistry

  NISHI Naoya

  Review of Polarography, 31 May 2010

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• 二成分チオール自己組織化単分子膜の相挙動に対する温度効果

  村山 優; 西 直哉; 垣内 隆

  ポーラログラフィー, 11 Nov. 2009

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• 水との間に広い分極電位窓を形成する新規疎水性イオン液体の開発

  松山 嘉夫; 宮澤 貴裕; 西 直哉; 垣内 隆

  ポーラログラフィー, 11 Nov. 2009

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• ホスホニウム系イオン液体塩橋の電位安定性の詳細な検討

  境田 英彰; 西 直哉; 垣内 隆

  ポーラログラフィー, 11 Nov. 2009

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• イオン液体塩橋の液間電位に与える妨害イオン効果の標準イオン移動電位に基づく定量的評価

  金村 進介; 西 直哉; 垣内 隆

  ポーラログラフィー, 11 Nov. 2009

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• イオン液体/水二相系におけるエマルション形成に対する標準イオン移動電位の影響

  鈴木 侑磨; 北隅 優希; 西 直哉; 垣内 隆

  ポーラログラフィー, 11 Nov. 2009

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• 相間電位差制御下におけるイオン液体|水二相系を用いたK^+イオンの分配の定量的解析

  寺岡 綾太; 西 直哉; 垣内 隆

  ポーラログラフィー, 11 Nov. 2009

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• 末端が負に帯電した自己組織化単分子膜へのカウンターイオン結合における4級アンモニウムイオンの特異的構造形成

  本川 俊行; 西 直哉; 垣内 隆

  ポーラログラフィー, 11 Nov. 2009

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• 吸着を伴う界面イオン透過における充電電流とファラデー電流の不可分性の新しいモデル

  北隅 優希; 西 直哉; 垣内 隆

  ポーラログラフィー, 11 Nov. 2009

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• Use of highly hydrophobic ionic liquids for ion-selective electrodes of the liquid membrane type

  Naoya Nishi; Hiroshi Murakami; Yukinori Yasui; Takashi Kakiuchi

  Analytical Sciences, Oct. 2008

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• Artificially phase-separated binary self-assembled monolayers composed of 11-amino-1-undecanethiolate and 10-carboxy-1-decanethiolate on Au(111): A comparative study of two preparing methods

  Pham Hong Phong; Hyroyuki Tomono; Naoya Nishi; Masahiro Yamamoto; Takashi Kakiuchi

  ELECTROCHIMICA ACTA, May 2008

  
• Orientation of surface-active ions at the interface between water and a hydrophobic room-temperature ionic liquid studied by optical second harmonic generation spectroscopy

  Naoya Nishi; Ryoichi Ishimatsu; Masahiro Yamamoto; Takashi Kakiuchi

  ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, Mar. 2007

  
• Optical second harmonic generation study of the structure of the interface between water and an ionic liquid based on N-alkylisoquinolinium ions

  Naoya Nishi; Masahiro Yamamoto; Takashi Kakiuchi

  Bunseki Kagaku, 2007

  
• Physicochemical properties of room-temperature molten salts of symmetrical tetraalkyl ammonium diisooctylsulfosuccinates

  Takahiro Kawakami; Fumiko Shigematsu; Naoya Nishi; Masahiro Yamamoto; Takashi Kakiuchi

  Proceedings - Electrochemical Society, 01 Dec. 2006

  
• Novel hydrophobic molten salts based on tetrakis[3,5-bis(trifluoromethyl) phenyl]borate anion for electrochemistry of the molten salt|water interface

  Seiichi Imakura; Naoya Nishi; Masahiro Yamamoto; Takashi Kakiuchi

  Proceedings - Electrochemical Society, 01 Dec. 2006

  
• Ionic liquid|water interface: A new electrified system for electrochemistry

  Takashi Kakiuchi; Naoya Nishi

  Electrochemistry, 2006

  
• Fluorescence lifetime measurements of coumarin 343 for sub-ps solvation dynamics in w vertical bar Aerosol-OT vertical bar 1,2-dichloroethane reverse micelle systems

  Y Iwami; M Yamamoto; N Nishi; T Kakiuchi

  BUNSEKI KAGAKU, Jun. 2005

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• Electroneutrality coupling of electron transfer at an electrode surface and ion transfer across the interface between thin-layer of 1-octyl-3- methylimidazolium bis(perfluoroalkylsulfonyl)imide covering the electrode surface and an outer electrolyte solution

  Kazuyuki Tanaka; Naoya Nishi; Takashi Kakiuchi

  Analytical Sciences, Nov. 2004

  
• Total-internal-reflection broad-bandwidth sum frequency generation spectroscopy of hexadecanethiol adsorbed on thin gold film deposited on CaF2

  N Nishi; D Hobara; M Yamamoto; T Kakiuchi

  ANALYTICAL SCIENCES, Jun. 2003

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• AC-modulated voltfluorometric study of the transient adsorption of rose bengal dianions in the transfer across the 1,2-dichloroethane water interface (vol 105B, pg 8165, 2001)

  N Nishi; K Izawa; M Yamamoto; T Kakiuchi

  JOURNAL OF PHYSICAL CHEMISTRY B, Feb. 2003

  
• Potential-dependent adsorption of ions with asymmetric charge distribution on the 1,2-dichloroethane-water interface and study of their transfer kinetics by alternate-current modulation voltfluorometry

  Nishi, N.; Kakiuchi, T.

  Elektrokhimiya, 01 Jan. 2003

  

External funds: Kakenhi

• Electrochemistry at the Non-aqueous Liquid-Liquid Interface between Ionic Liquids and Oils: Scientific Principle Construction and Nanomaterial Fabrication

  Grant-in-Aid for Scientific Research (B)

  Basic Section 36020:Energy-related chemistry

  Kyoto University

  西 直哉

  From 01 Apr. 2021, To 31 Mar. 2024, Granted

  イオン液体;液液界面;金属ナノ構造;卑金属;界面電荷移動

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21H02046/
• Analysis of spectral instability and simultaneous correlation analysis for advanced underwater LIBS

  Grant-in-Aid for Scientific Research (B)

  Basic Section 34020:Analytical chemistry-related

  Kyoto University

  Tetsuo Sakka

  From 01 Apr. 2020, To 31 Mar. 2023, Project Closed

  レーザー誘起ブレークダウン分光法;水中LIBS;原子発光スペクトル;自己吸収スペクトル;レーザービーム透過プローブ法;誤差伝播;相関解析;キャビテーション;水中レーザー誘起ブレークダウン分光法;その場元素分析;LIBS;水中その場元素分析;レーザー分光;スペクトル変動;キャビテーションバブル;発光強度;衝撃波;同時計測

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-20H02764/
• Analysis of the electrodeposition process in ionic liquids using electrochemical SPR

  Grant-in-Aid for Scientific Research (C)

  Basic Section 34020:Analytical chemistry-related

  Kyoto University

  Naoya Nishi

  From 01 Apr. 2018, To 31 Mar. 2021, Project Closed

  ESPR;表面プラズモン共鳴;電気化学析出;表面ラフネス;イオン液体;アンダーポテンシャル析出;電気二重層;SERS

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-18K05171/
• Fundamental study on high ionic strength electrolyte solutions for next generation batteries

  Grant-in-Aid for Scientific Research (B)

  Nagoya University;Kyoto University

  Tomokazu Fukutsuka

  From 01 Apr. 2016, To 31 Mar. 2019, Project Closed

  次世代蓄電池;電解液;界面;溶媒和構造;難燃性;ラマン分光法;無機工業化学;電池

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-16H04216/
• Vibrational spectroscopy of micrometer-scale structure

  Grant-in-Aid for Challenging Exploratory Research

  Kyoto University

  Tetsuo Sakka

  From 01 Apr. 2014, To 31 Mar. 2017, Project Closed

  振動分光;ミクロ構造;光散乱;光ヘテロダイン計測;固有振動;液滴;界面張力波;境界条件;ミクロ構造体;振動解析;キャピラリー波;レーザー光散乱;準弾性光散乱;光ヘテロダイン法;固有振動数;ヘテロダイン計測;光ビート法

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-26620119/
• Formation of novel metal nanoparticles at electrochemical liquid/liquid interface between ionic liquid and water as a reaction field

  Grant-in-Aid for Scientific Research (C)

  Kyoto University

  Naoya Nishi

  From 01 Apr. 2014, To 31 Mar. 2017, Project Closed

  イオン液体｜水界面;液液界面;ナノファイバー;電子移動;イオン移動;塩化金酸;デンドライト;溶融塩;イオン液体;界面電子移動;界面イオン移動;チオフェン;ヤヌス型コンポジット;還元;電荷移動ボルタンメトリー

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-26410149/
• Structure and dynamics of ionic liquid/molecular liquid interfaces : functionality of interfaces under the application of potentials

  Grant-in-Aid for Scientific Research (A)

  Tokyo Institute of Technology

  Yukio Ouchi

  From 01 Apr. 2014, To 31 Mar. 2018, Project Closed

  表面・界面物性;イオン液体;電気二重層;IV-SFG;分光エリプソメトリー

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-26248004/
• Discovery of novel liquid-liquid extraction system for double-stranded DNA utilizing specific interaction between ionic liquid and polyion.

  Grant-in-Aid for Young Scientists (B)

  Kyoto University

  Naoya NISHI

  From 01 Apr. 2009, To 31 Mar. 2011, Project Closed

  イオン液体;液液抽出;界面イオン移動;促進イオン移動;イオン対;液液界面;DNA;インターカレーション

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21750075/
• Fundamental Basis for New Methods of Separation and Analysis Based on the Control of Electrical Potential at Ionic Liquid| Solution Interface

  Grant-in-Aid for Scientific Research (A)

  Kyoto University

  Takashi KAKIUCHI

  From 01 Apr. 2009, To 31 Mar. 2012, Project Closed

  分離分析;電気分析化学;イオン液体;液液2相系;相界面電位差;界面;pH;単独イオン活量;緩慢緩和

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21245021/
• イオン液体-水界面における特異な鎖形成機構の電気化学的研究

  Grant-in-Aid for Scientific Research on Priority Areas

  Science and Engineering

  Kyoto University

  垣内 隆

  From 01 Apr. 2008, To 31 Mar. 2010, Project Closed

  イオン液体;界面;鎖形成;電気化学;イオノフォア

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-20031017/
• イオン液体と水の電気化学界面のミクロとマクロ

  Grant-in-Aid for Young Scientists (B)

  Kyoto University

  西 直哉

  From 01 Apr. 2006, To 31 Mar. 2008, Project Closed

  表面・界面物性;環境材料;非線形分光;液液界面;界面張力;イオン液体;常温溶融塩;配向;イオン性液体;第二高調波発生;SHG

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-18750062/
• Study on the microscopic processes of the emergence of electrochemical instability at soft interfaces

  Grant-in-Aid for Scientific Research (B)

  Kyoto University

  Takashi KAKIUCHI

  From 01 Apr. 2006, To 31 Mar. 2008, Project Closed

  界面不安定性;電気化学的不安定性;異常増加電流;蛍光イメージング;共焦点顕微鏡;吸着ギブズエネルギー;デシル硫酸;デシルアンモニウムデシルアンモニウム;不安定性;液液界面;自然乳化;イオン移動;マラゴニ対流;自動乳化, Instability of interface;electrochemical instability;Abnormally increased current;fluorescence imaging;confocal microscopy;Adsorption Gibbe energy;Decylsulfate;Decylammonium

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-18350006/
• 末端に解離基をもつ自己組織化単分子膜上での電子移動反応の電気二重層による制御

  Grant-in-Aid for Scientific Research on Priority Areas

  Science and Engineering

  Kyoto University

  山本 雅博

  From 01 Apr. 2006, To 31 Mar. 2008, Project Closed

  グルタチオン;自己組織化単分子膜;金単結晶表面;電気二重層効果;モンテカルロシミュレーション;イオンゲート機構;表面錯体;自己組織化;界面錯生成;電位制御界面;イオンゲート

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-18033026/
• 概念的に新しい塩橋の開発と液間電位差研究の新展開

  Grant-in-Aid for Exploratory Research

  Kyoto University

  垣内 隆

  From 01 Apr. 2005, To 31 Mar. 2006, Project Closed

  塩橋;イオン液体;常温溶融塩;液間電位差;分配平衡;イミダゾリウム;イミド;パーフルオロアルキルトリフルオロボレート

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-17655031/
• 精密に電位制御された自己組織化単分子膜表面における特異的錯形成の分子機構

  Grant-in-Aid for Scientific Research on Priority Areas

  Science and Engineering

  Kyoto University

  垣内 隆

  From 01 Apr. 2005, To 31 Mar. 2006, Project Closed

  自己組織化;界面錯形成;電位制御界面;イオンゲート;電気二重層;グルタチオン;チオール単分子膜;界面電子移動

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-17036027/
• 常温溶融塩・水二相系における相間電位差を駆動力とする金属イオン抽出系の創製

  Grant-in-Aid for Young Scientists (B)

  Kyoto University

  西 直哉

  From 01 Apr. 2004, To 31 Mar. 2006, Project Closed

  液液二相系;イオン液体;常温溶融塩;界面イオン移動;促進イオン移動;第二高調波発生分光法;キレート;錯形成;抽出;第二高調波発生;非線形分光;液液界面;錯生成

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-16750060/
• 帯電界面の熱力学的不安定性:発見の一般化と膜系への展開

  Grant-in-Aid for Exploratory Research

  Kyoto University

  垣内 隆

  From 01 Apr. 2003, To 31 Mar. 2005, Project Closed

  液液界面;不安定性;自然乳化;LUV;脂質2分子膜;界面活性イオン;常温溶融塩;イオン液体;脂質二分子膜;AOT;イオン移動;吸着;イオン対

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-15655008/
• Analysis of the mechanism of charge-transfer coupling in nanometer-scale liquidliquid wo-phase systems and its application to separation science

  Grant-in-Aid for Scientific Research (A)

  Kyoto University

  Takashi KAKIUCHI

  From 01 Apr. 2002, To 31 Mar. 2005, Project Closed

  電荷移動共役;界面電荷移動;界面電子移動;イオン液体;塩橋;液液界面;不安定性;自己組織化単分子膜;常温溶融塩;微粒子;イオン移動;AOT;ゼータ電位;イオン性液体;薄膜;自己組織膜;芳香族チオール;偏光変調赤外分光;SFG;和周波発生;常温溶融塩薄膜, charge-transfer coupling;nanometer-scale liquid-liquid systems;interfacial charge transfer;ionic liquid;salt bridge;liquid-liquid interface;instability;self-assembled monolayer

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-14205120/
• Development of inorganic chemistry reactions in active ion-rich reaction fields: Creation of novel base metal nanostructures

  Grant-in-Aid for Transformative Research Areas (B)

  Transformative Research Areas, Section (II)

  Kyoto University

  西 直哉

  From 01 Apr. 2023, To 31 Mar. 2026, Granted

  活イオン液体;非水液液界面;卑金属;無電解析出;ナノ構造

  https://kaken.nii.ac.jp/grant/KAKENHI-PLANNED-23H03829/
• Science of active ion-rich liquids

  Grant-in-Aid for Transformative Research Areas (B)

  Transformative Research Areas, Section (II)

  Osaka University

  山田 裕貴

  From 01 Apr. 2023, To 31 Mar. 2026, Granted

  活イオン液体;界面;電気化学

  https://kaken.nii.ac.jp/grant/KAKENHI-ORGANIZER-23H03824/
• プラズマ水溶液界面における非平衡電気化学的制御のための界面電位差測定法の開発

  Grant-in-Aid for Challenging Research (Exploratory)

  Medium-sized Section 34:Inorganic/coordination chemistry, analytical chemistry, and related fields

  Kyoto University

  作花 哲夫

  From 30 Jun. 2023, To 31 Mar. 2025, Granted

  プラズマ電気化学;プラズマ水溶液界面

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23K17931/

External funds: others

• Analysis of Ion Transfer Mechanism across the Liquid-Liquid Interface

  From 2003, To 2006
• ポンププローブ第二高調波発生法により調べるイオン液体の界面構造ダイナミクス （平成30年度分）

  二国間交流事業共同研究・セミナー

  From 01 Apr. 2018, To 31 Mar. 2019

  西 直哉
• ポンププローブ第二高調波発生法により調べるイオン液体の界面構造ダイナミクス （2019年度分）

  二国間交流事業共同研究・セミナー

  From 01 Apr. 2019, To 31 Mar. 2020

  西　直哉

Education

Teaching subject(s)

• From 01 Apr. 2024, To 31 Mar. 2025

  Analytical Chemistry I (Advanced Chemistry)

  7410, Fall, Faculty of Engineering, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Analytical Chemistry II (Advanced Chemistry)

  7431, Spring, Faculty of Engineering, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Energy and Hydrocarbon Chemistry Special Seminar 3

  S206, Fall, Graduate School of Engineering, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Energy and Hydrocarbon Chemistry Special Seminar 2

  S205, Fall, Graduate School of Engineering, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Energy and Hydrocarbon Chemistry, Adv.VIII

  D236, Fall, Graduate School of Engineering, 1
• From 01 Apr. 2024, To 31 Mar. 2025

  Seminar on Energy & Hydrocarbon Chemistry (A)

  H208, Spring, Graduate School of Engineering, 1.5
• From 01 Apr. 2023, To 31 Mar. 2024

  Analytical Chemistry II (Advanced Chemistry)

  7431, Spring, Faculty of Engineering, 2
• From 01 Apr. 2023, To 31 Mar. 2024

  Analytical Chemistry I (Advanced Chemistry)

  7410, Fall, Faculty of Engineering, 2
• From 01 Apr. 2023, To 31 Mar. 2024

  Chemistry of Functional Interfaces

  H215, Spring, Graduate School of Engineering, 1.5
• From 01 Apr. 2022, To 31 Mar. 2023

  Analytical Chemistry I (Advanced Chemistry)

  7410, Fall, Faculty of Engineering, 2
• From 01 Apr. 2022, To 31 Mar. 2023

  Analytical Chemistry II (Advanced Chemistry)

  7431, Spring, Faculty of Engineering, 2
• Analytical Chemistry I
• Analytical Chemistry II
• Introduction to Industrial Chemistry II
• Fundamental Chemistry Laboratory
• Energy and Hydrocarbon Chemistry, Advanced, IV
• From Apr. 2012, To Mar. 2013

  Analytical Chemistry II (Fundamental Chemistry)

  Spring, 工学部
• From Apr. 2012, To Mar. 2013

  Analytical Chemistry I (Fundamental Chemistry)

  Fall, 工学部
• From Apr. 2013, To Mar. 2014

  Analytical Chemistry I (Fundamental Chemistry)

  Fall, 工学部
• From Apr. 2013, To Mar. 2014

  Analytical Chemistry II (Fundamental Chemistry)

  Spring, 工学部
• From Apr. 2013, To Mar. 2014

  Chemistry of Interfaces

  Fall, 工学部
• From Apr. 2014, To Mar. 2015

  Analytical Chemistry I (Fundamental Chemistry)

  Fall, 工学部
• From Apr. 2014, To Mar. 2015

  Analytical Chemistry II (Fundamental Chemistry)

  Spring, 工学部
• From Apr. 2014, To Mar. 2015

  Chemistry of Interfaces

  Fall, 工学部
• From Apr. 2015, To Mar. 2016

  Analytical Chemistry II (Fundamental Chemistry)

  Spring, 工学部
• From Apr. 2015, To Mar. 2016

  Analytical Chemistry I (Fundamental Chemistry)

  Fall, 工学部
• From Apr. 2015, To Mar. 2016

  Chemistry of Interfaces

  Fall, 工学部
• From Apr. 2016, To Mar. 2017

  Analytical Chemistry II (Fundamental Chemistry)

  Spring, 工学部
• From Apr. 2016, To Mar. 2017

  Analytical Chemistry I (Fundamental Chemistry)

  Fall, 工学部
• From Apr. 2017, To Mar. 2018

  Analytical Chemistry II (Fundamental Chemistry)

  Spring, 工学部
• From Apr. 2017, To Mar. 2018

  Analytical Chemistry I (Fundamental Chemistry)

  Fall, 工学部
• From Apr. 2018, To Mar. 2019

  Analytical Chemistry II (Fundamental Chemistry)

  Spring, 工学部
• From Apr. 2018, To Mar. 2019

  Analytical Chemistry I (Fundamental Chemistry)

  Fall, 工学部
• From Apr. 2019, To Mar. 2020

  Analytical Chemistry II (Fundamental Chemistry)

  Spring, 工学部
• From Apr. 2019, To Mar. 2020

  Analytical Chemistry I (Fundamental Chemistry)

  Fall, 工学部
• From Apr. 2020, To Mar. 2021

  Analytical Chemistry II (Fundamental Chemistry)

  Spring, 工学部
• From Apr. 2020, To Mar. 2021

  Analytical Chemistry I (Fundamental Chemistry)

  Fall, 工学部
• From Apr. 2020, To Mar. 2021

  Analytical Chemistry I (Fundamental Chemistry)

  Fall, 工学部
• From Apr. 2021, To Mar. 2022

  Analytical Chemistry II (Advanced Chemistry)

  Spring, 工学部
• From Apr. 2021, To Mar. 2022

  Analytical Chemistry I (Advanced Chemistry)

  Fall, 工学部
• From Apr. 2021, To Mar. 2022

  Analytical Chemistry I (Advanced Chemistry)

  Fall, 工学部

Part-time lecturer

• From 08 Apr. 2020, To 31 Mar. 2021

  国立大学法人新潟大学