Issue 71, 2013
From the journal:

Chemical Communications

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

Masaaki Yoshida,*a   Takumi Yomogida,a   Takehiro Mineo,a   Kiyofumi Nitta,b   Kazuo Kato,b   Takuya Masuda,c   Hiroaki Nitani,d   Hitoshi Abe,d   Satoru Takakusagi,e   Tomoya Uruga,b   Kiyotaka Asakura,e   Kohei Uosakicfg  and  Hiroshi Kondoh*a  

* Corresponding authors

a Department of Chemistry, Keio University, Yokohama, Japan
E-mail: yoshida@chem.keio.ac.jp
Fax: +81-45-566-1697
Tel: +81-45-566-1592

b Japan Synchrotron Radiation Research Institute, Hyogo, Japan

c Global Research Center for Environment and Energy based on Nanomaterials Science, National Institute for Materials Science (NIMS), Ibaraki, Japan

d Institute of Materials Structure Science, KEK, Ibaraki, Japan

e Catalysis Research Center, Hokkaido University, Sapporo, Japan

f International Center for Materials Nanoarchitechtonics (WPI-MANA), NIMS, Ibaraki, Japan

g Graduate School of Chemical Sciences and Engineering, Hokkaido University, Sapporo, Japan

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.

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

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Article information

DOI
https://doi.org/10.1039/C3CC43584A
Article type
Communication
Submitted
13 May 2013
Accepted
02 Jul 2013
First published
29 Jul 2013

Chem. Commun., 2013,49, 7848-7850

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

M. Yoshida, T. Yomogida, T. Mineo, K. Nitta, K. Kato, T. Masuda, H. Nitani, H. Abe, S. Takakusagi, T. Uruga, K. Asakura, K. Uosaki and H. Kondoh, Chem. Commun., 2013, 49, 7848 DOI: 10.1039/C3CC43584A

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