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Hayakawa, Masahiro
Graduate School of Science, Division of Chemistry Assistant Professor
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Last Updated :2026/02/03
Basic Information
Faculty
Email Address
Email Address
hayakawa.masahiro.2n
kyoto-u.ac.jp
Professional Memberships
Academic Degree
Academic Resume (Graduate Schools)
Academic Resume (Undergraduate School/Majors)
Research History
- From Oct. 2022, To PresentKyoto University, Graduate School of Science Division of Chemistry, Assistant Professor
- From Jun. 2022, To Oct. 2022Kyoto University, Graduate School of Science Division of Chemistry, Program-Specific Researcher
- From Apr. 2022, To May 2022Kyoto University, Graduate School of Science Division of Chemistry, Research Associate
- From Jul. 2021, To Mar. 2022Kyoto University, Institute for Integrated Cell-Material Sciences, Designated Research Associate
- From Apr. 2019, To Mar. 2022Nagoya University, Graduate School of Science, Japan Society for the Promotion of Science Research Fellowship for Young Scientists (DC1)
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ORCID ID
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Last Updated :2026/02/03
Research
Research Areas
- Nanotechnology/Materials, Structural/physical organic chemistry
- Nanotechnology/Materials, Synthetic organic chemistry
Papers
- Record‐High Performance Hyperfluorescent OLEDs Achieved via Electronic Structure Control of Chlorine‐Diversified MR‐TADF EmittersTaehwan Lee; Junki Ochi; Shigetada Uemura; Feiran Liu; Jiping Hao; Yasuhiro Kondo; Masahiro Hayakawa; Takuji HatakeyamaAdvanced Science, 29 Jan. 2026
- High Brightness in Bis(tri-isopropylsilyl)ethynyl-Functionalized Polycyclic Aromatic Hydrocarbons: Localized Representation Versus Clar’s ModelKais Dhbaibi; Huong Le thi; Jérôme Marrot; Masashiro Hayakawa; Masashi Mamada; Michel Frigoli14 Jan. 2026
- C3-Symmetric Borabuckybowl Featuring a Pyramidal-like sp2 Boron Atom for Advanced Electronics and Optical FunctionsAtsuhiro Ikeno; Masahiro Hayakawa; Yusuke Tsutsui; Shu Seki; Takuji HatakeyamaJournal of the American Chemical Society, 07 Nov. 2025
- Improving the TADF properties of deep-blue multiple-resonance emitters by strategic oxygen–sulfur replacementJunki Ochi; Yuki Yamasaki; Susumu Oda; Masakazu Kondo; Yasuhiro Kondo; Masahiro Hayakawa; Takuji HatakeyamaMaterials Horizons, 2025
- Late‐Stage C─N Bond Cleavage Enables Diversification of Multiple Resonance MaterialsMasashi Mamada; Masaru Horiuchi; Jiping Hao; Nanami Matsuno; Kojiro Tanaka; Kenkera Rayappa Naveen; Masahiro Hayakawa; Junki Ochi; Susumu Oda; Yasuhiro Kondo; Takuji HatakeyamaAngewandte Chemie International Edition, 09 Jun. 2025
- Orthogonal Dynamic Metal-Templated Synthesis of Fully π-Conjugated [2]Catenane with Switchable Mechanical ChiralityHiromichi Yokoyama; Miki Kawata; Masahiro Hayakawa; Takuji Hatakeyama; Hidetoshi Kawai; Yoshitaka Tsuchido; Tomohito Ide28 May 2025
- Donor-only substituted benzene achieves thermally activated delayed fluorescenceMasashi Mamada; Sawako Yada; Masahiro Hayakawa; Ryota Uchida; Hiroshi Katagiri; Takuji Hatakeyama; Chihaya AdachiCommunications Chemistry, 18 Sep. 2024, Peer-reviewed
- Correction to “ ‘Core–Shell’ Wave Function Modulation in Organic Narrowband Emitters”Masahiro Hayakawa; Xun Tang; Yuta Ueda; Hayato Eguchi; Masakazu Kondo; Susumu Oda; Xiao-Chun Fan; Gerardus N. Iswara Lestanto; Chihaya Adachi; Takuji HatakeyamaJournal of the American Chemical Society, 28 Aug. 2024, Peer-reviewed, Lead author
- π-Extended 9b-Boraphenalenes: Synthesis, Structure, and Physical PropertiesAtsuhiro Ikeno; Masahiro Hayakawa; Mugiho Sakai; Yusuke Tsutsui; Soichiro Nakatsuka; Shu Seki; Takuji HatakeyamaJournal of the American Chemical Society, 26 Jun. 2024, Peer-reviewed
- Organoboron-based multiple-resonance emitters: synthesis, structure–property correlations, and prospectsMasashi Mamada; Masahiro Hayakawa; Junki Ochi; Takuji HatakeyamaChemical Society Reviews, 2024, Peer-reviewed
- Spiroborate‐Based Host Materials with High Triplet Energies and Ambipolar Charge‐Transport PropertiesMasahiro Hayakawa; Mayu Kameda; Ryosuke Kawasumi; Soichiro Nakatsuka; Nobuhiro Yasuda; Takuji HatakeyamaAngewandte Chemie, 27 Mar. 2023, Peer-reviewed, Lead author
- One-Shot Construction of BN-Embedded Heptadecacene Framework Exhibiting Ultra-narrowband Green Thermally Activated Delayed FluorescenceYusuke Sano; Toshiki Shintani; Masahiro Hayakawa; Susumu Oda; Masakazu Kondo; Takeshi Matsushita; Takuji HatakeyamaJournal of the American Chemical Society, 16 May 2023, Peer-reviewed
- Flattened 1D fragments of fullerene C60 that exhibit robustness toward multi-electron reductionMasahiro Hayakawa; Naoyuki Sunayama; Shu I. Takagi; Yu Matsuo; Asuka Tamaki; Shigehiro Yamaguchi; Shu Seki; Aiko FukazawaNature Communications, 15 May 2023, Peer-reviewed, Lead author
- Stereoselective Synthesis and Characterization of Indenone Azine‐Based Electron‐Accepting π‐Conjugated SystemsShu I Takagi; Masahiro Hayakawa; Aiko FukazawaChemistry – A European Journal, 11 Mar. 2023, Peer-reviewed
- Spiroborate‐Based Host Materials with High Triplet Energies and Ambipolar Charge‐Transport PropertiesMasahiro Hayakawa; Mayu Kameda; Ryosuke Kawasumi; Soichiro Nakatsuka; Nobuhiro Yasuda; Takuji HatakeyamaAngewandte Chemie International Edition, 15 Feb. 2023, Peer-reviewed, Lead author
- Sequential Multiple Borylation Toward an Ultrapure Green Thermally Activated Delayed Fluorescence MaterialShigetada Uemura; Susumu Oda; Masahiro Hayakawa; Ryosuke Kawasumi; Naoya Ikeda; Yi-Ting Lee; Chin-Yiu Chan; Youichi Tsuchiya; Chihaya Adachi; Takuji HatakeyamaJournal of the American Chemical Society, 22 Dec. 2022, Peer-reviewed
- One-dimensional fragments of fullerene C60 that exhibit robustness toward multi-electron reduction and pronounced light absorptionMasahiro Hayakawa; Naoyuki Sunayama; Shu I. Takagi; Asuka Tamaki; Shigehiro Yamaguchi; Aiko Fukazawa16 Aug. 2022, Lead author
- Late-stage modification of π-electron systems based on asymmetric oxidation of a medium-sized sulfur-containing ringMasahiro Hayakawa; Satoshi Horike; Yuh Hijikata; Kosuke Yasui; Shigehiro Yamaguchi; Aiko FukazawaChemical Communications, Jan. 2022, Peer-reviewed, Lead author
- Extended π-Electron Delocalization in Quinoid-Based Conjugated Polymers Boosts Intrachain Charge Carrier TransportTsubasa Mikie; Masahiro Hayakawa; Kenta Okamoto; Keitaro Iguchi; Shuhei Yashiro; Tomoyuki Koganezawa; Masatomo Sumiya; Hiroyuki Ishii; Shigehiro Yamaguchi; Aiko Fukazawa; Itaru OsakaChemistry of Materials, 21 Oct. 2021, Peer-reviewed
- Dithieno[ a , e ]pentalenes: Highly Antiaromatic Yet Stable π‐Electron Systems without Bulky SubstituentsJunichi Usuba; Masahiro Hayakawa; Shigehiro Yamaguchi; Aiko FukazawaChemistry – A European Journal, 23 Nov. 2020, Peer-reviewed
- End‐Capping π‐Conjugated Systems with Medium‐Sized Sulfur‐Containing Rings: A Route Towards Solution‐Processable Air‐Stable SemiconductorsAiko Fukazawa; Yusuke Toda; Masahiro Hayakawa; Anna Sekioka; Hiroyuki Ishii; Toshihiro Okamoto; Jun Takeya; Yuh Hijikata; Shigehiro YamaguchiChemistry – A European Journal, 10 Jul. 2018, Peer-reviewed
External funds: Kakenhi
- Synthesis and Characterization of pi-Conjugated Cations via Multiple Friedel-Crafts ReactionsGrant-in-Aid for Research Activity Start-up0501:Physical chemistry, functional solid state chemistry, organic chemistry, polymers, organic materials, biomolecular chemistry, and related fieldsKyoto UniversityMasahiro HayakawaFrom 31 Aug. 2023, To 31 Mar. 2025, Project Closedπ共役;カチオン;π共役カチオン;近赤外発光
- カルボカチオン導入反応に基づくカチオン性π共役化合物の合成と機能開拓Grant-in-Aid for Early-Career ScientistsBasic Section 33010:Structural organic chemistry and physical organic chemistry-relatedKyoto University早川 雅大From 01 Apr. 2024, To 31 Mar. 2026, Grantedπ共役;π共役カチオン;近赤外吸収・発光
list
Last Updated :2026/02/03
Education
Teaching subject(s)
- From 01 Apr. 2025, To 31 Mar. 2026Seminar on Organic Chemistry IA7076, Spring, Graduate School of Science, 1
- From 01 Apr. 2025, To 31 Mar. 2026Seminar on Organic Chemistry ID7079, Fall, Graduate School of Science, 1
- From 01 Apr. 2025, To 31 Mar. 2026Seminar on Organic Chemistry IC7078, Spring, Graduate School of Science, 1
- From 01 Apr. 2025, To 31 Mar. 2026Seminar on Organic Chemistry IB7077, Fall, Graduate School of Science, 1
- From 01 Apr. 2025, To 31 Mar. 2026Advanced Organic Chemistry IA7180, Spring, Graduate School of Science, 1
- From 01 Apr. 2025, To 31 Mar. 2026Advanced Organic Chemistry ID7183, Fall, Graduate School of Science, 1
- From 01 Apr. 2025, To 31 Mar. 2026Advanced Organic Chemistry IC7182, Spring, Graduate School of Science, 1
- From 01 Apr. 2025, To 31 Mar. 2026Advanced Organic Chemistry IB7181, Fall, Graduate School of Science, 1
- From 01 Apr. 2025, To 31 Mar. 2026Special study course II (Chemistry) 135640, Year-long, Faculty of Science, 12
- From 01 Apr. 2025, To 31 Mar. 2026Chemical Laboratory B8635, Fall, Faculty of Science, 8
- From 01 Apr. 2024, To 31 Mar. 2025Special study course II (Chemistry) 135640, Year-long, Faculty of Science, 12
- From 01 Apr. 2024, To 31 Mar. 2025Advanced Organic Chemistry IC7182, Spring, Graduate School of Science, 1
- From 01 Apr. 2024, To 31 Mar. 2025Advanced Organic Chemistry IB7181, Fall, Graduate School of Science, 1
- From 01 Apr. 2024, To 31 Mar. 2025Advanced Organic Chemistry IA7180, Spring, Graduate School of Science, 1
- From 01 Apr. 2024, To 31 Mar. 2025Advanced Organic Chemistry ID7183, Fall, Graduate School of Science, 1
- From 01 Apr. 2024, To 31 Mar. 2025Seminar on Organic Chemistry IA7076, Spring, Graduate School of Science, 1
- From 01 Apr. 2024, To 31 Mar. 2025Seminar on Organic Chemistry ID7079, Fall, Graduate School of Science, 1
- From 01 Apr. 2024, To 31 Mar. 2025Seminar on Organic Chemistry IC7078, Spring, Graduate School of Science, 1
- From 01 Apr. 2024, To 31 Mar. 2025Seminar on Organic Chemistry IB7077, Fall, Graduate School of Science, 1
- From 01 Apr. 2024, To 31 Mar. 2025Exercises in Organic Chemistry4611, Spring, Faculty of Science, 2
- From 01 Apr. 2024, To 31 Mar. 2025Chemical Laboratory B8635, Fall, Faculty of Science, 8
- From 01 Apr. 2023, To 31 Mar. 2024Fundamental Chemical ExperimentsN308, Spring, Institute for Liberal Arts and Sciences, 2
- From 01 Apr. 2023, To 31 Mar. 2024Seminar on Organic Chemistry IA7076, Spring, Graduate School of Science, 1
- From 01 Apr. 2023, To 31 Mar. 2024Advanced Organic Chemistry ID7183, Fall, Graduate School of Science, 1
- From 01 Apr. 2023, To 31 Mar. 2024Seminar on Organic Chemistry ID7079, Fall, Graduate School of Science, 1
- From 01 Apr. 2023, To 31 Mar. 2024Seminar on Organic Chemistry IC7078, Spring, Graduate School of Science, 1
- From 01 Apr. 2023, To 31 Mar. 2024Seminar on Organic Chemistry IB7077, Fall, Graduate School of Science, 1
- From 01 Apr. 2023, To 31 Mar. 2024Advanced Organic Chemistry IC7182, Spring, Graduate School of Science, 1
- From 01 Apr. 2023, To 31 Mar. 2024Advanced Organic Chemistry IB7181, Fall, Graduate School of Science, 1
- From 01 Apr. 2023, To 31 Mar. 2024Advanced Organic Chemistry IA7180, Spring, Graduate School of Science, 1
- From 01 Apr. 2023, To 31 Mar. 2024Special study course II (Chemistry) 135640, Year-long, Faculty of Science, 12
- From 01 Apr. 2023, To 31 Mar. 2024Chemical Laboratory B8635, Fall, Faculty of Science, 8
