論文～英文誌：2021-

2021～

2025

  • Automated analysis of photoelectron yield spectroscopy spectra interpreted via power laws
    Shinjiro Yagyu, Michiko Yoshitake, Takahiro Nagata, Takeshi Yasuda, Takatsugu Wakahara, Yubin Liu, and Yoshiyuki Nakajima
    Sci. Technol. Adv. Mater. Methods 5 (2025) 2465257 (10 pages)
    DOI: 10.1080/27660400.2025.2465257
     
  • Synthesis of Bithiazole-Based Poly(arylenevinylene)s via Co-Catalyzed Hydroarylation Polyaddition and Tuning of their Optical Properties by N-Methylation and N-Oxidation
    Boya Li, Ryota Iwamori, Junpei Kuwabara, Takeshi Yasuda, and Takaki Kanbara
    Macromol. Rapid Commun. 46 (2025) 2401082 (7 pages)
    DOI: 10.1002/marc.202401082
     
  • Synthesis of Conjugated Polymers with Controlled Terminal Structures by Direct Arylation Polycondensation and Correlation Between Terminal Structures and Emission Properties
    Ziwei Hu, Takeshi Yasuda, Takaki Kanbara, and Junpei Kuwabara
    Macromol. Chem. Phys. 226 (2025) 2400506 (8 pages)
    DOI: 10.1002/macp.202400506
     
  • Synthesis of Tetraaryl Diazachrysenes by the Povarov Reaction and π Extension To Construct a Condensed Azaperylene Motif
    Yuanrong Shan, Takeshi Yasuda, Takaki Kanbara, and Junpei Kuwabara
    Asian J. Org. Chem. 14 (2025) e202400625 (7 pages)
    DOI: 10.1002/ajoc.202400625
     
  • Molecular design and synthesis of narrow-bandgap poly(thienylenevinylene)s via Co-catalyzed hydroarylation polyaddition
    Ryota Iwamori, Kenta Miyata, Junpei Kuwabara, Takeshi Yasuda, and Takaki Kanbara
    Synth. Met. 311 (2025) 117817 (8 pages)
    DOI: 10.1016/j.synthmet.2024.117817
     

2024

  • Overestimation of Operational Stability in Polymer-Based Organic Field-Effect Transistors Caused by Contact Resistance
    Kenji Sakamoto, Takeshi Yasuda, Takeo Minari, Masafumi Yoshio, Junpei Kuwabara, and Masayuki Takeuchi
    ACS Appl. Mater. Interfaces 16 (2024) 68081–68090
    DOI: 10.1021/acsami.4c15666
     
  • Current density-voltage characteristics of exciplex-type organic light-emitting diodes expressed by a simple analytic equation
    Takeshi Yasuda and Kenji Sakamoto
    Jpn. J. Appl. Phys. 63 (2024) 10SP12 (6 pages)
    DOI: 10.35848/1347-4065/ad8240
     
  • Origin of Intrinsic Operational Instability in Organic Field-Effect Transistors with Aligned High-Mobility Donor-Acceptor Copolymer Active Layers
    Kenji Sakamoto, Kirill Bulgarevich, Takeshi Yasuda, Takeo Minari, and Masayuki Takeuchi
    Adv. Mater. Tech. 9 (2024) 2301503 (12 pages)
    DOI: 10.1002/admt.202301503
     
  • Molecular Design of Naphthalene- and Carbazole-Based Monomers for Regiospecific Synthesis of Poly(arylenevinylene)s via Co-catalyzed Hydroarylation Polyaddition
    Ryota Iwamori, Junpei Kuwabara, Takeshi Yasuda, and Takaki Kanbara
    Macromol. Rapid Commun. 45 (2024) 2400168 (8 pages)
    DOI: 10.1002/marc.202400168

2023

  • Regioselective synthesis of thiophene-based poly(arylenevinylene)s via Co-catalyzed hydroarylation polyaddition
    Ryota Iwamori, Junpei Kuwabara, Takeshi Yasuda, and Takaki Kanbara
    Macromolecules 56 (2023) 5407–5414
    DOI: 10.1021/acs.macromol.3c00711
     
  • Synthesis of Triazatriphenylene Derivative Through Multi-Component Reaction of Aryl-amine, Aldehyde, and Alkyne
    Sachie Yamamoto, Naruki Ishida, Takeshi Yasuda, Takaki Kanbara, and Junpei Kuwabara
    Asian J. Org. Chem. 12 (2023) e202300181 (7 pages)
    DOI: 10.1002/ajoc.202300181
     
  • Straightforward and regiospecific synthesis of 1,3,5,7-tetra-arylated acene bearing different aryl groups
    Ryota Sato, Kunfeng Chen, Takeshi Yasuda, Takaki Kanbara, and Junpei Kuwabara
    Org. Chem. Front. 10 (2023) 2955–2962
    DOI: 10.1039/d3qo00289f
     
  • Facile synthesis of bis-pentafluoroarylated anthracene derivatives for n-type organic field-effect transistor applications
    Ryota Sato, Takeshi Yasuda, Takanobu Hiroto, Takaki Kanbara, and Junpei Kuwabara
    Chem. Eur. J. 29 (2023) e202203816 (5 pages)
    DOI: 10.1002/chem.202203816
     
  • One-pot two-step cross-dehydrogenative-coupling polycondensation for synthesis of tetrafluorobenzene-based conjugated polymer
    Naoki Onda, Ryota Sato, Junpei Kuwabara, Takeshi Yasuda, and Takaki Kanbara
    Synth. Met. 293 (2023) 117279 (5 pages)
    DOI: 10.1016/j.synthmet.2023.117279
     
  • Direct arylation polycondensation for the synthesis of medium-bandgap polymer donors (PBDB-T) for organic photovoltaics
    Junpei Kuwabara, Kota Hiyaji, Guo Shuyang, Xin Jiang, Takeshi Yasuda, and Takaki Kanbara
    Polym. J. 55 (2023) 395–404
    DOI: 10.1038/s41428-022-00712-1
     

2022

  • Facile Synthesis of 1,7-Phenanthroline Derivatives and Evaluation of Their Properties as Hole-Blocking Materials in Organic Light-Emitting Diodes
    Sachie Yamamoto, Takeshi Yasuda, Takaki Kanbara, and Junpei Kuwabara
    Bull. Chem. Soc. Jpn. 95 (2022) 458-465
    DOI: 10.1246/bcsj.20210461
     
  • Fabrication of solution-processable OFET memory using a nano-floating gate based on phthalocyanine-cored star-shaped polymer
    Junko Aimi, Takeshi Yasuda, Chih-Feng Huang, Masafumi Yoshio, and Wen-Chang Chen
    Mater. Adv. 3 (2022) 3128-3134
    DOI: 10.1039/D1MA01081F
     
  • Hydrogen-bonded dimers of mono-alkylated diketopyrrolopyrroles and their physical properties
    Junpei Kuwabara, Ryuya Kawasaki, Takeshi Yasuda, and Takaki Kanbara
    Synth. Met. 284 (2021) 117007 (5 pages)
    DOI: 10.1016/j.synthmet.2022.117007
     

2021

  • Synthesis of Azine-Based Conjugated Polymers by Metal-Free Dehydration Polycondensation and Characterization of Their Physical Properties
    Hiroki Murakami, Kyoya Kobayashi, Keita Suzuki, Takeshi Yasuda, Takaki Kanbara, and Junpei Kuwabara
    Macromolecules 54 (2021) 11281-11288
    DOI: 10.1021/acs.macromol.1c02170
     
  • One-Pot Synthesis of Triazatriphenylene Using the Povarov Reaction
    Sachie Yamamoto, Zong Yang Zhou, Goki Hiruta, Katsuhiko Takeuchi, Jun-Chul Choi, Takeshi Yasuda, Takaki Kanbara, and Junpei Kuwabara
    J. Org. Chem. 86 (2021) 7920–7927
    DOI: 10.1021/acs.joc.1c00078
     
  • Synthesis of Pyrrole-Based Poly(arylenevinylene)s via Co-Catalyzed Hydroarylation of Alkynes
    Ryota Iwamori, Ryota Sato, Junpei Kuwabara, Takeshi Yasuda, and Takaki Kanbara
    Macromol. Rapid Commun. 42 (2021) 2100283 (6 pages)
    DOI: 10.1002/marc.202100283
     
  • Origin of the material dependence of temperature coefficient of redox potential in conjugated polymers
    Hiroki Iwaizumi, Dai Inoue, Takeshi Yasuda, and Yutaka Moritomo
    Appl. Phys. Express 14 (2021) 037001 (4 pages)
    DOI: 10.35848/1882-0786/abe19f
     
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