Published Papers

  • ”Approaching isotropic charge transport of n-type organic semiconductors with bulky substituents”
    C. P. Yu, N. Kojima, S. Kumagai, T. Kurosawa, H. Ishii, G. Watanabe, J. Takeya and T. Okamoto
    Communications Chemistry volume 4, Article number: 155 (2021)
    https://doi.org/10.1038/s42004-021-00583-2
  • ”Dissociation mechanism of a single O2 molecule chemisorbed on Ag(110)”
    M. Lee, E. Kazuma, C. Zhang, M. Trenary, J. Takeya, J. Jung, and Y. Kim
    J. Phys. Chem. Lett. 2021, 12, 9868-9873
    doi.org/10.1021/acs.jpclett.1c02456
  • ”Two-dimensional hole gas in organic semiconductors”
    N. Kasuya, J. Tsurumi, T. Okamoto, S. Watanabe, and J. Takeya
    Nat. Mater. 20, pages1401–1406 (2021)
    doi.org/10.1038/s41563-021-01074-4
  • ”Supramolecular Cocrystals Built Through Redox-Triggered ion Intercalation in π-Conjugated Polymers”
    Y. Yamashita, J. Tsurumi, T. Kurosawa, K. Ueji, Y. Tsuneda, S. Kohno, H. Kempe, S. Kumagai, T. Okamoto, J. Takeya, and S. Watanabe
    Communications Materials volume 2, Article number: 45 (2021)
    doi.org/10.1038/s43246-021-00148-9
  • ”Nano‐Ground Glass as a Superhydrophilic Template for Printing High‐Performance Organic Single‐Crystal Thin Films”
    T. Makita, Y. Ninomiya, S. Kumagai, T. Okamoto, M. Sasaki, S. Watanabe, and J. Takeya
    Adv. Mater. Interfaces,29 March 2021
    doi.org/10.1002/admi.202100033
  • ”Highly air-stable, n-doped conjugated polymers achieved by dimeric organometallic dopants”
    Y. Yamashita, S. Jhulki, D. Bhardwaj, E. Longhi, S. Kumagai, S. Watanabe, S. Barlow, S. R. Marder, and J. Takeya 
    J. Mater. Chem. C, 2021, 9, 4105
    DOI: 10.1039/d0tc05931
  • ”Stabilizing solution-processed metal oxide thin-film transistors via trilayer organic–inorganic hybrid passivation”
    X. Wei, S. Kumagai, M. Sasaki, S. Watanabe, J. Takeya
    AIP Advances 11, 035027 (2021)
    doi.org/10.1063/5.0038128
  • ”Chrysenodithiophene Based Conjugated Polymer: An Elongated Fused π-Electronic Backbone with a Unique Orbital Structure Toward Efficient Intermolecular Carrier Transport”
    T. Kurosawa, T. Okamoto, D. Cen, D. Ikeda, H. Ishii, and J. Takeya
    Macromolecules 2021, 54, 5, 2113–2123
    doi.org/10.1021/acs.macromol.0c00984
  • ”Role of Perfluorophenyl Group in the Side Chain of Small-Molecule n-Type Organic Semiconductors in Stress Stability of Single-Crystal Transistors”
    S. Kumagai, C. P. Yu, S. Nakano, T. Annaka, M. Mitani, M. Yano, H. Ishii, J. Takeya and T. Okamoto
    J. Phys. Chem. Lett. 2021, 12, 2095–2101.
    DOI: 10.1021/acs.jpclett.0c03012

International Conference

Invited

  • High-Speed Complementary Logic Circuits Based on Solution-Based Thin-Film Semiconductors
    S. Kumagai, X. Wei, T. Makita, K. Tsuzuku, A. Yamamura, M. Sasaki, S. Watanabe, and J. Takeya
    MRM2021
    Yokohama,Japan,Dec,13(online)-14,2021
  • Present Status and Future of Organic Device
    Jun Takeya
    ASOMEA-X
    Online Oct,28,2021
  • (Plenary Lecture) Large-area ultrathin organic single-crystal wafers for circuits and devices
    Jun Takeya
    The 48th World Polymer Congress IUPAC-MACRO2020+
    May 16-20, 2021, online

Oral

  • Coherent Electron Transport in Solution-processable Semiconductors and Its Imact on Electronic Devices
    S.Watanabe, and J. Takeya
    MRM2021
    Yokohama,Japan,Dec,13(online)-14,2021

Poster

  • High density three-dimensional integration of organic CMOS
    M. Sasaki, Y. Ohyama, T. Okamoto, S. Watanab, and J. Takeya
    MRM2021
    Yokohama,Japan,Dec,13(online)-14,2021
  • Supramolecular cocrystals built through redox-triggered ion intercalation in lamellae of π-conjugated polymers
    Y.Yamashita, J. Tsurumi, T. Kurosawa, K. Ueji1, S.Kohno, S. Kumagai, T. Okamoto, J.Takeya, and S. Watanabe
    MRM2021
    Yokohama,Japan,Dec,13(online)-14,2021
  • Organic Single-Crystal Transistors with Graphite Contact Electrodes
    K. Watanabe, N. Miura, H. Taguchi, T. Komatsu, H. Nosaka, M. Sasaki, T. Okamoto, S. Watanabe, and J. Takeya
    MRM2021
    Yokohama,Japan,Dec,13(online)-14,2021
  • BQQDI Analog with Methylcyclohexyl Substitution for Solution Processable, High Electron Mobility n-type Organic Semiconductor
    Y. Arai, S. Kumagai, N. Kasuya, C. P. Yu, H. Ishii, S. Watanabe, J. Takeya, and T. Okamoto
    MRM2021
    Yokohama,Japan,Dec,13(online)-14,2021
  • π-Extended N-Shaped Organic Semiconductors for Thermally Robust Ultrathin Single-Crystalline Transistors
    C.Sawabe, S. Kumagai, C. Mitsui, M. Yamagishi, M. Sasaki, T. Makita, N. Kasuya, H. Sato, S. Watanabe, J. Takeya, and T. Okamoto
    MRM2021
    Yokohama,Japan,Dec,13(online)-14,2021
  • Organic Single-Crystal Transistor-Based Ion Sensors in Aqueous Solution
    H. Hayakawa, S. Kumagai, T. Makita, N. Kasuya, Y. Yamashita, Y. Usami, M. Sasaki, T. Okamoto, S. Watanabe, and Jun Takeya
    MRM2021
    Yokohama,Japan,Dec,13(online)-14,2021
  • Wireless Energy Harvester Designed For Organic Sensors
    M.D.Hardy
    MRM2021
    Yokohama,Japan,Dec,13(online)-14,2021
  • Organic Ferroelectric Memory Cell For High Density And Integration
    A. Ogawa, S. Kumagai, T. Makita, S. Watanabe, and J. Takeya
    MRM2021
    Yokohama,Japan,Dec,13(online)-14,2021
  • Two-dimensional hole gas in organic single-crystal semiconductors
    N.Kasuya, J. Tsurumi, T. Okamoto, S. Watanabe, and J. Takeya
    MRM2021
    Yokohama,Japan,Dec,13(online)-14,2021
  • Microstamp Transfer Patterning of Organic Single-Crystalline Wafers for CMOS Integrated Circuits
    H. Usui, T. Makita, M. Sasaki, T. Okamoto, S. Watanabe, and J. Takeya
    MRM2021
    Yokohama,Japan,Dec,13(online)-14,2021
  • Understandings of dynamic responses in organic single-crystal field-effect transistors towards high frequency operation
    T. Sawada, A. Yamamura, M. Sasaki, T. Okamoto, S. Watanabe, and J. Takeya
    MRM2021
    Yokohama,Japan,Dec,13(online)-14,2021
  • Extraordinary persistent photo-carriers mediated by efficient exciton dissociation in organic single-crystal transistors
    N. Osakabe, T. Makita, N. Kasuya, M. Sasaki, S. Watanabe, T. Okamoto, and J. Takeya
    MRM2021
    Yokohama,Japan,Dec,13(online)-14,2021
  • Two-Dimensional Isotropic Charge Transport in n-Type Organic Semiconductors with Sterically Demanding Substituents
    C. P. Yu, N. Kojima, S. Kumagai, T. Kurosawa, H. Ishii, G. Watanabe, J. Takeya, and T. Okamoto
    MRM2021
    Yokohama,Japan,Dec,13(online)-14,2021
  • High-order overtone-mediated dissociation mechanism of a single O2 molecule chemisorbed on Ag(110)
    M. Lee, E. Kazuma, C. Zhang, M. Trenary, J. Takeya, J. Jung, and Y. Kim
    The 9th International Symposium on Surface Science
    Online, Dec 5, 2021