Basic Information

Email Address

• Email Address

  ochi.junki.5ckyoto-u.ac.jp

Academic Degree

• 23 Mar. 2020

  京都大学修士（工学）
• 23 Jan. 2023

  京都大学博士（工学）

Academic Resume (Undergraduate School/Majors)

• 京都大学, 工学部工業化学科, 卒業

ID,URL

• ORCID ID

  0000-0003-4275-3898

• J-Global ID

  202301016384240226

• Researcher number

  30978789

researchmap URL

• https://researchmap.jp/ochi_junki

Research

Papers

• Efficient Deep-Blue Multiple-Resonance Emitters Based on Azepine-Decorated ν-DABNA for CIEy below 0.06.

  Masashi Mamada; Akio Aoyama; Ryota Uchida; Junki Ochi; Susumu Oda; Yasuhiro Kondo; Masakazu Kondo; Takuji Hatakeyama

  Advanced materials (Deerfield Beach, Fla.), 02 May 2024

  
• Highly efficient multi-resonance thermally activated delayed fluorescence material toward a BT.2020 deep-blue emitter

  Junki Ochi; Yuki Yamasaki; Kojiro Tanaka; Yasuhiro Kondo; Kohei Isayama; Susumu Oda; Masakazu Kondo; Takuji Hatakeyama

  Nature Communications, 02 Apr. 2024

  
• Synthesis, cation exchange, and optical properties of pyrene-based chromophores containing [CB9H9]− and [CB11H11]− cluster units

  Junki Ochi; Takumi Yanagihara; Kazuo Tanaka; Yoshiki Chujo

  Bulletin of the Chemical Society of Japan, 11 Jan. 2024

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• Organoboron-based multiple-resonance emitters: synthesis, structure–property correlations, and prospects

  Masashi Mamada; Masahiro Hayakawa; Junki Ochi; Takuji Hatakeyama

  Chemical Society Reviews, 2024, Peer-reviewed

  
• Recent Progress in the Development of Solid‐State Luminescent o ‐Carboranes with Stimuli Responsivity

  Junki Ochi; Kazuo Tanaka; Yoshiki Chujo

  Angewandte Chemie, 15 Jun. 2020

  
• Tuning of the height of energy barrier between locally-excited and charge transfer states by altering the fusing position of o-carborane in phenylnaphthalene

  Junki Ochi; Takumi Yanagihara; Kazuo Tanaka; Yoshiki Chujo

  Physical Chemistry Chemical Physics, Apr. 2023, Peer-reviewed, Lead author

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• Investigation of the Substitution Site Effect on o-Carborane-Based Chromophores by Anthracene Introduction at the B(3) Position

  Junki Ochi; Kazuo Tanaka; Yoshiki Chujo

  Bulletin of the Chemical Society of Japan, 15 Feb. 2023, Peer-reviewed, Lead author

  
• Alternately π‐Stacked Systems Assisted by o ‐Carborane: Dual Excimer Emission and Color Modulation by B cage ‐Methylation

  Junki Ochi; Kazuo Tanaka; Yoshiki Chujo

  Angewandte Chemie International Edition, 09 Jan. 2023, Peer-reviewed, Lead author

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• Controlling the Dual‐Emission Character of Aryl‐Modified o ‐Carboranes by Intramolecular CH⋅⋅⋅O Interaction Sites

  Junki Ochi; Kazuhiro Yuhara; Kazuo Tanaka; Yoshiki Chujo

  Chemistry – A European Journal, 06 Apr. 2022, Peer-reviewed, Lead author

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• Switching between intramolecular charge transfer and excimer emissions in solids based on aryl-modified ethynyl‒o-carboranes

  Hideki Yamamoto; Junki Ochi; Kazuhiro Yuhara; Kazuo Tanaka; Yoshiki Chujo

  Cell Reports Physical Science, Feb. 2022, Peer-reviewed

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• Rational design for thermochromic luminescence in amorphous polystyrene films with bis‐ o ‐carborane‐substituted enhanced conjugated molecule having aggregation‐induced luminochromism

  Keisuke Wada; Kazushi Hashimoto; Junki Ochi; Kazuo Tanaka; Yoshiki Chujo

  Aggregate, Oct. 2021, Peer-reviewed

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• Dimerization-Induced Solid-State Excimer Emission Showing Consecutive Thermochromic Luminescence Based on Acridine-Modified o-Carboranes

  Junki Ochi; Kazuo Tanaka; Yoshiki Chujo

  Inorganic Chemistry, 21 Jun. 2021, Peer-reviewed, Lead author

  
• Experimental proof for emission annihilation through bond elongation at the carbon–carbon bond in o-carborane with fused biphenyl-substituted compounds

  Junki Ochi; Kazuo Tanaka; Yoshiki Chujo

  Dalton Transactions, 2021, Peer-reviewed, Lead author

  
• Recent Progress in the Development of Solid‐State Luminescent o ‐Carboranes with Stimuli Responsivity

  Junki Ochi; Kazuo Tanaka; Yoshiki Chujo

  Angewandte Chemie International Edition, 15 Jun. 2020, Peer-reviewed

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• Tuning the NIR Absorption Properties of 1,3,4,6,9b-Pentaazaphenalene Derivatives Through the Spatially Separated Frontier Molecular Orbitals

  Hiroyuki Watanabe; Junki Ochi; Kazuo Tanaka; Yoshiki Chujo

  European Journal of Organic Chemistry, 21 Feb. 2020, Peer-reviewed

  
• Cover Feature: Improvement of Solid-State Excimer Emission of the Aryl-Ethynyl-o -Carborane Skeleton by Acridine Introduction (Eur. J. Org. Chem. 19/2019)

  Junki Ochi; Kazuo Tanaka; Yoshiki Chujo

  European Journal of Organic Chemistry, 26 May 2019

  
• Improvement of Solid-State Excimer Emission of the Aryl-Ethynyl-o -Carborane Skeleton by Acridine Introduction

  Junki Ochi; Kazuo Tanaka; Yoshiki Chujo

  European Journal of Organic Chemistry, 26 May 2019, Peer-reviewed, Lead author

  
• Time‐Dependent Emission Enhancement of the Ethynylpyrene‐ o ‐Carborane Dyad and Its Application as a Luminescent Color Sensor for Evaluating Water Contents in Organic Solvents

  Kenta Nishino; Hideki Yamamoto; Junki Ochi; Kazuo Tanaka; Yoshiki Chujo

  Chemistry – An Asian Journal, 02 May 2019, Peer-reviewed

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Awards

• 04 Oct. 2022

  2022年度光化学討論会優秀学生発表賞（ポスター）（光化学協会）
• 11 Oct. 2021

  第70回高分子討論会優秀ポスター賞（公益社団法人高分子学会）
• 08 Jul. 2022

  京都大学工学研究科令和4年度吉田研究奨励賞

External funds: Kakenhi

• シャープな発光帯を活用した多様な高感度センシング分子の創出

  Grant-in-Aid for Research Activity Start-up

  0501:Physical chemistry, functional solid state chemistry, organic chemistry, polymers, organic materials, biomolecular chemistry, and related fields

  Kyoto University

  越智 純毅

  From 31 Aug. 2023, To 31 Mar. 2025, Granted

  発光;ホウ素;センシング材料;多重共鳴効果

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23K19245/