Surface modifications using thiol self-assembled monolayers on Au electrodes in organic field effect transistors

Nobuya Hiroshiba; Ryotaro Kumashiro; Naoya Komatsu; Yusuke Suto; Hisao Ishii; Shinya Takaishi; Masahiro Yamashita; Kazuhiro Tsukagoshi; Katsumi Tanigaki

Surface modifications using thiol self-assembled monolayers on Au electrodes in organic field effect transistors

Nobuya Hiroshiba, Ryotaro Kumashiro, Naoya Komatsu, Yusuke Suto, Hisao Ishii, Shinya Takaishi, Masahiro Yamashita, Kazuhiro Tsukagoshi, Katsumi Tanigaki

研究成果: Conference contribution

2 被引用数 (Scopus)

抄録

The influences of self-assembled-monolayers (SAMs) modifications on the gold electrodes in organic field effect transistors are studied using benzen-thiols (BzTs) having amino (NH₂), nitro (NO₂) and methyl (CH₃) substituents and pentacene as an organic semiconductor. The field effect transistor (FET) characteristics are found to be very sensitive to the preparation condition of the SAMs modified surfaces. This can be rationalized in terms of the barriers against carrier injections made by SAMs and this situation can be monitored using a surface contact-angle method. The enhancement in the field effect mobilities μ s is observed when the SAMs modifications to the electrodes are applied, and this could be caused by the higher efficiency of carrier injection attained by the hole transfer from SAMs to pentacene molecules.

本文言語	English
ホスト出版物のタイトル	Organic Electronics
ホスト出版物のサブタイトル	Materials, Devices and Applications
ページ	264-269
ページ数	6
巻	965
出版ステータス	Published - 2006 12 1
外部発表	はい
イベント	2006 MRS Fall Meeting - Boston, MA 継続期間: 2006 11 27 → 2006 12 1

Other

Other	2006 MRS Fall Meeting
City	Boston, MA
Period	06/11/27 → 06/12/1

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials

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引用スタイル

Surface modifications using thiol self-assembled monolayers on Au electrodes in organic field effect transistors. / Hiroshiba, Nobuya; Kumashiro, Ryotaro; Komatsu, Naoya; Suto, Yusuke; Ishii, Hisao; Takaishi, Shinya; Yamashita, Masahiro; Tsukagoshi, Kazuhiro; Tanigaki, Katsumi.

Organic Electronics: Materials, Devices and Applications. Vol. 965 2006. p. 264-269.

研究成果: Conference contribution

Hiroshiba, Nobuya ; Kumashiro, Ryotaro ; Komatsu, Naoya ; Suto, Yusuke ; Ishii, Hisao ; Takaishi, Shinya ; Yamashita, Masahiro ; Tsukagoshi, Kazuhiro ; Tanigaki, Katsumi. / Surface modifications using thiol self-assembled monolayers on Au electrodes in organic field effect transistors. Organic Electronics: Materials, Devices and Applications. Vol. 965 2006. pp. 264-269

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abstract = "The influences of self-assembled-monolayers (SAMs) modifications on the gold electrodes in organic field effect transistors are studied using benzen-thiols (BzTs) having amino (NH2), nitro (NO2) and methyl (CH3) substituents and pentacene as an organic semiconductor. The field effect transistor (FET) characteristics are found to be very sensitive to the preparation condition of the SAMs modified surfaces. This can be rationalized in terms of the barriers against carrier injections made by SAMs and this situation can be monitored using a surface contact-angle method. The enhancement in the field effect mobilities μ s is observed when the SAMs modifications to the electrodes are applied, and this could be caused by the higher efficiency of carrier injection attained by the hole transfer from SAMs to pentacene molecules.",

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AU - Hiroshiba, Nobuya

AU - Kumashiro, Ryotaro

AU - Komatsu, Naoya

AU - Suto, Yusuke

AU - Ishii, Hisao

AU - Takaishi, Shinya

AU - Yamashita, Masahiro

AU - Tsukagoshi, Kazuhiro

AU - Tanigaki, Katsumi

PY - 2006/12/1

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AB - The influences of self-assembled-monolayers (SAMs) modifications on the gold electrodes in organic field effect transistors are studied using benzen-thiols (BzTs) having amino (NH2), nitro (NO2) and methyl (CH3) substituents and pentacene as an organic semiconductor. The field effect transistor (FET) characteristics are found to be very sensitive to the preparation condition of the SAMs modified surfaces. This can be rationalized in terms of the barriers against carrier injections made by SAMs and this situation can be monitored using a surface contact-angle method. The enhancement in the field effect mobilities μ s is observed when the SAMs modifications to the electrodes are applied, and this could be caused by the higher efficiency of carrier injection attained by the hole transfer from SAMs to pentacene molecules.

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