Electron spin resonance study of organic interfaces in ion gel-gated rubrene single-crystal transistors

Yuki Takahashi, Masaki Tsuji, Yohei Yomogida, Taishi Takenobu, Yoshihiro Iwasa, Kazuhiro Marumoto

    研究成果: Article

    5 引用 (Scopus)

    抄録

    Organic interfaces of rubrene single crystals (RSCs) in ion gel-gated electric double-layer transistors (EDLTs) were investigated by electron spin resonance (ESR). The EDLTs were fabricated by laminating ion-gel films onto RSCs. Clear ESR signals due to field-injected holes in RSCs were successfully observed at low gate voltages, showing a high spin concentration due to the high capacitance of EDLTs. The analyses of anisotropic ESR signals and its gate-voltage dependence show that the bulk molecular orientation at RSCs' interfaces is preserved without forming deep trapping levels, which demonstrate that organic interfaces in RSC-EDLTs are clean and undamaged under a strong electric field in EDLTs.

    元の言語English
    記事番号041603
    ジャーナルApplied Physics Express
    6
    発行部数4
    DOI
    出版物ステータスPublished - 2013 4

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    Paramagnetic resonance
    electron paramagnetic resonance
    Transistors
    transistors
    Gels
    Single crystals
    gels
    single crystals
    Ions
    ions
    Laminating
    Molecular orientation
    Electric potential
    electric potential
    Capacitance
    capacitance
    trapping
    Electric fields
    electric fields

    ASJC Scopus subject areas

    • Engineering(all)
    • Physics and Astronomy(all)

    これを引用

    Electron spin resonance study of organic interfaces in ion gel-gated rubrene single-crystal transistors. / Takahashi, Yuki; Tsuji, Masaki; Yomogida, Yohei; Takenobu, Taishi; Iwasa, Yoshihiro; Marumoto, Kazuhiro.

    :: Applied Physics Express, 巻 6, 番号 4, 041603, 04.2013.

    研究成果: Article

    Takahashi, Y, Tsuji, M, Yomogida, Y, Takenobu, T, Iwasa, Y & Marumoto, K 2013, 'Electron spin resonance study of organic interfaces in ion gel-gated rubrene single-crystal transistors', Applied Physics Express, 巻. 6, 番号 4, 041603. https://doi.org/10.7567/APEX.6.041603
    Takahashi, Yuki ; Tsuji, Masaki ; Yomogida, Yohei ; Takenobu, Taishi ; Iwasa, Yoshihiro ; Marumoto, Kazuhiro. / Electron spin resonance study of organic interfaces in ion gel-gated rubrene single-crystal transistors. :: Applied Physics Express. 2013 ; 巻 6, 番号 4.
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    abstract = "Organic interfaces of rubrene single crystals (RSCs) in ion gel-gated electric double-layer transistors (EDLTs) were investigated by electron spin resonance (ESR). The EDLTs were fabricated by laminating ion-gel films onto RSCs. Clear ESR signals due to field-injected holes in RSCs were successfully observed at low gate voltages, showing a high spin concentration due to the high capacitance of EDLTs. The analyses of anisotropic ESR signals and its gate-voltage dependence show that the bulk molecular orientation at RSCs' interfaces is preserved without forming deep trapping levels, which demonstrate that organic interfaces in RSC-EDLTs are clean and undamaged under a strong electric field in EDLTs.",
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    AU - Tsuji, Masaki

    AU - Yomogida, Yohei

    AU - Takenobu, Taishi

    AU - Iwasa, Yoshihiro

    AU - Marumoto, Kazuhiro

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