In situ observation of carrier transfer in the Mn-oxide/Nb:SrTiO3 photoelectrode by X-ray absorption spectroscopy

Masaaki Yoshida; Takumi Yomogida; Takehiro Mineo; Kiyofumi Nitta; Kazuo Kato; Takuya Masuda; Hiroaki Nitani; Hitoshi Abe; Satoru Takakusagi; Tomoya Uruga; Kiyotaka Asakura; Kohei Uosaki; Hiroshi Kondoh

doi:10.1039/c3cc43584a

In situ observation of carrier transfer in the Mn-oxide/Nb:SrTiO₃ photoelectrode by X-ray absorption spectroscopy

Masaaki Yoshida, Takumi Yomogida, Takehiro Mineo, Kiyofumi Nitta, Kazuo Kato, Takuya Masuda, Hiroaki Nitani, Hitoshi Abe, Satoru Takakusagi, Tomoya Uruga, Kiyotaka Asakura, Kohei Uosaki, Hiroshi Kondoh

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

23 Citations (Scopus)

Abstract

The Mn-oxide/Nb:SrTiO₃ photoelectrode for oxygen evolution reaction was investigated by in situ Mn K-edge XAFS spectroscopy under UV irradiation. The oxidization of the Mn oxide was observed via photoexcited carrier transfer, which results in the positive potential shift of the Mn oxide cocatalyst toward oxygen evolution reaction.

Original language	English
Pages (from-to)	7848-7850
Number of pages	3
Journal	Chemical Communications
Volume	49
Issue number	71
DOIs	https://doi.org/10.1039/c3cc43584a
Publication status	Published - 2013 Aug 8

ASJC Scopus subject areas

Catalysis
Electronic, Optical and Magnetic Materials
Ceramics and Composites
Chemistry(all)
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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In situ observation of carrier transfer in the Mn-oxide/Nb:SrTiO₃ photoelectrode by X-ray absorption spectroscopy. / Yoshida, Masaaki; Yomogida, Takumi; Mineo, Takehiro; Nitta, Kiyofumi; Kato, Kazuo; Masuda, Takuya; Nitani, Hiroaki; Abe, Hitoshi; Takakusagi, Satoru; Uruga, Tomoya; Asakura, Kiyotaka; Uosaki, Kohei; Kondoh, Hiroshi.

In: Chemical Communications, Vol. 49, No. 71, 08.08.2013, p. 7848-7850.

Research output: Contribution to journal › Article › peer-review

Yoshida, Masaaki ; Yomogida, Takumi ; Mineo, Takehiro ; Nitta, Kiyofumi ; Kato, Kazuo ; Masuda, Takuya ; Nitani, Hiroaki ; Abe, Hitoshi ; Takakusagi, Satoru ; Uruga, Tomoya ; Asakura, Kiyotaka ; Uosaki, Kohei ; Kondoh, Hiroshi. / In situ observation of carrier transfer in the Mn-oxide/Nb:SrTiO₃ photoelectrode by X-ray absorption spectroscopy. In: Chemical Communications. 2013 ; Vol. 49, No. 71. pp. 7848-7850.

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abstract = "The Mn-oxide/Nb:SrTiO3 photoelectrode for oxygen evolution reaction was investigated by in situ Mn K-edge XAFS spectroscopy under UV irradiation. The oxidization of the Mn oxide was observed via photoexcited carrier transfer, which results in the positive potential shift of the Mn oxide cocatalyst toward oxygen evolution reaction.",

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AU - Nitta, Kiyofumi

AU - Kato, Kazuo

AU - Masuda, Takuya

AU - Nitani, Hiroaki

AU - Abe, Hitoshi

AU - Takakusagi, Satoru

AU - Uruga, Tomoya

AU - Asakura, Kiyotaka

AU - Uosaki, Kohei

AU - Kondoh, Hiroshi

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