Construction of Mono- and Multimolecular Layers with Electron Transfer Mediation Function and Catalytic Activity for Hydrogen Evolution on a Hydrogen-Terminated Si(111) Surface via Si−C Bond

Masuda, Takuya; Shimazu, Katsuaki; Uosaki, Kohei

Journal of Physical Chemistry C, 2008, 112(29), 10923-10930

Permalink : https://hdl.handle.net/2115/50214

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アクセス権	open access
URI	https://hdl.handle.net/2115/50214
タイトル	Construction of Mono- and Multimolecular Layers with Electron Transfer Mediation Function and Catalytic Activity for Hydrogen Evolution on a Hydrogen-Terminated Si(111) Surface via Si−C Bond
著者	Masuda, Takuya ; Shimazu, Katsuaki ; Uosaki, Kohei
著者名 Masuda, Takuya
著者名 Shimazu, Katsuaki
e-Rad_Researcher 20133697 著者名 Uosaki, Kohei
言語	英語
発行日	2008-07-24
出版者	American Chemical Society
収録物名	Journal of Physical Chemistry C
巻(号)	112(29)
ページ	10923-10930
抄録	Organic molecular layers with viologen moiety (i.e., electron acceptor) were constructed on a hydrogen-terminated Si(111) surface via a Si-C bond. Electrochemical characteristics after each synthetic process were measured, and electron mediation capability of the viologen moiety was demonstrated. Incorporation of platinum particles on the viologen-modified Si(111) surface was proved to enhance the hydrogen evolution reaction (HER) rate. Further improvement of the HER rate was achieved by the modification with viologen/Pt multilayers. Photoelectrochemical HER at the p-Si(111) electrode was also significantly accelerated by the modification with mono- and multiviologen/Pt layers.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
PISSN	1932-7447
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1021/jp8006188