Published Papers

  • Electrostatically-sprayed carbon electrodes for high performance organic complementary circuits
    K. Watanabe, N. Miura, H. Taguchi, T. Komatsu, H. Nosaka, T. Okamoto, S. Watanabe, and J. Takeya
    Sci Rep 12, 16009 (2022)
  • Improvement of contact resistance at carbon electrode/organic semiconductor interfaces through chemical doping
    K. Watanabe, N. Miura, H. Taguchi, T. Komatsu, H. Nosaka, T. Okamoto, Y. Yamashita, S. Watanabe, and J. Takeya
    Appl. Phys. Express 15 101005
  • Mixed-Orbital Charge Transport in N-Shaped Benzene- and Pyrazine-Fused Organic Semiconductors
    C. P. Yu, S. Kumagai, T. Kushida, M. Mitani, C. Mitsui, H. Ishii, J. Takeya, and T. Okamoto
    J. Am. Chem. Soc. 2022, 144, 25, 11159–11167
  • Regioselective Functionalization of Nitrogen-Embedded Perylene Diimides for High-Performance Organic Electron-Transporting Materials
    S. Kumagai, T. Koguma, T. Annaka, C.
    Sawabe, Y. Tani, H. Sugiura, T. Watanabe, D. Hashizume, J. Takeya, and T. OkamotoBull.Chem.Soc.Jpn.2022, 95, 953–960
    Selected Paper
  • “Phonon dispersion of the organic semiconductor rubrene”
    K. Takada, K. Yoshimi, S. Tsutsui, K. Kimura, K. Hayashi, I. Hamada, S. Yanagisawa, N. Kasuya, S. Watanabe, J. Takeya, and Y. Wakabayashi
    Phys. Rev. B 105, 205205 – Published 25 May 2022
    DOI: 10.1103/PhysRevB.105.205205
  • “Dissociation of Single O2 Molecules on Ag(110) by Electrons, Holes, and Localized Surface Plasmons”
    M. Lee, E. Kazuma, J. Jung, M. Trenary, and Y. Kim
    Chem. Rec. 2022, e202200011
  • “Nitrogen-Containing Perylene Diimides: Molecular Design, Robust Aggregated Structures, and Advances in n-Type Organic Semiconductors”
    S.Kumagai, H.Ishii, G.Watanabe, C.P.Yu, S.Watanabe, J.Takeya, and T.Okamoto
    Acc. Chem. Res. 2022, 55, 5, 660–672
  • Scalable printing of two-dimensional single crystals of organic emiconductors towards high-end device applications”
    S. Kumagai, T. Makita, S. Watanabe, and J. Takeya
    Appl. Phys. Express 15 030101 (2022)

International Conference


  • Charge coherence and electronic correlation in organic single-crystal semiconductors
    KPS 70th Anniversary and 2022 Fall Meeting
  • Charge coherence and electronic correlation in highly doped organic single-crystal double quantum wells
    J.Takeya, N. Kasuya, S. Watanabe, H. Takayanagi, D. Yamanaka, T. Furukawa, Y. Yamashita, M. Abe, T. Okamoto
    Le Pouliguen,France,Sep,30,2022
  • Two-dimensional hole gas in organic semiconductors
    J. Takeya



  • High-density carrier doping into single-crystal C8-DNBDT under compressive uni-axial strain
    T. Furukawa,N. Kasuya, T. Okamoto,H. Takayanagi,S. Watanabe,J. Takeya
    Le Pouliguen,France,Sep,27,2022


  • MRM2021 Poster Award
    「Understandings of dynamic responses in organic single-crystal field-effect transistors towards high frequency operation」