神戸大学附属図書館デジタルアーカイブ
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https://hdl.handle.net/20.500.14094/90007472
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2024-04-26
23:27 集計
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90007472 (fulltext)
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806 KB
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メタデータID
90007472
アクセス権
open access
出版タイプ
Accepted Manuscript
タイトル
Wide-range work function tuning in gold surfaces modified with fluorobenzenethiols toward application to organic thin-film transistors
著者
Yoshioka, Takumi ; Fujita, Hiroki ; Kimura, Yoshinari ; Hattori, Yoshiaki ; Kitamura, Masatoshi
著者名
Yoshioka, Takumi
著者名
Fujita, Hiroki
著者名
Kimura, Yoshinari
著者ID
A2258
研究者ID
1000090736654
KUID
https://kuid-rm-web.ofc.kobe-u.ac.jp/search/detail?systemId=b9487d8e029552e4520e17560c007669
著者名
Hattori, Yoshiaki
服部, 吉晃
ハットリ, ヨシアキ
所属機関名
工学研究科
著者ID
A0125
研究者ID
1000010345142
KUID
https://kuid-rm-web.ofc.kobe-u.ac.jp/search/detail?systemId=323dcdd3ee9beeca520e17560c007669
著者名
Kitamura, Masatoshi
北村, 雅季
キタムラ, マサトシ
所属機関名
工学研究科
収録物名
Flexible and Printed Electronics
巻(号)
5(1)
ページ
014011
出版者
IOP Publishing
刊行日
2020-03
公開日
2021-04-01
抄録
Surface properties of Au electrodes modified by benzenethiol derivatives with a fluorine atom(s) have been methodically researched based on measurements of the work function and the contact angles. Benzenethiol derivatives with a fluorine atom(s) at ortho, meta, and/or para position were used for modification in this work. The measured work function was in a relatively wide range between 4.24–6.02 eV. The work function change from a bare Au surface was explained on the principle of dipole moments obtained by quantum chemical calculation. The water contact angle was found to vary between 64.8° and 97.7°. Furthermore, the surface tension was calculated from the measured contact angles of water and ethylene glycol. The calculated surface tension was reviewed from the perspective of the position of the substitute in the benzenethiol derivative. In addition, organic thin-film transistors (TFTs) with drain and source electrodes modified with 2-fluorobenzenethiol (2-FBT), 3-fluorobenzenethiol (3-FBT) or pentafluorobenzenethiol (PFBT) were characterized as other evaluations of the modified Au surface. The contact resistance in the TFT increased in the order of PFBT, 3-FBT and 2-FBT. The increase of the contact resistance was consistent with the decrease in the work function.
キーワード
benzenethiols
work function
contact angle
organic transistors
カテゴリ
工学研究科
学術雑誌論文
権利
© 2020 IOP Publishing Ltd. This is the Accepted Manuscript version of an article accepted for publication in Flexible and Printed Electronics. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at https://doi.org/10.1088/2058-8585/ab71e3
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資源タイプ
journal article
言語
English (英語)
eISSN
2058-8585
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関連情報
DOI
https://doi.org/10.1088/2058-8585/ab71e3
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