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Issue 53, 2017
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Capturing local structure modulations of photoexcited BiVO4 by ultrafast transient XAFS

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Abstract

Ultrafast excitation of photocatalytically active BiVO4 was characterized by femto- and picosecond transient X-ray absorption fine structure spectroscopy. An initial photoexcited state (≪500 fs) changed to a metastable state accompanied by a structural change with a time constant of ∼14 ps. The structural change might stabilize holes on oxygen atoms since the interaction between Bi and O increases.

Graphical abstract: Capturing local structure modulations of photoexcited BiVO4 by ultrafast transient XAFS

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Article information


Submitted
23 Mar 2017
Accepted
02 May 2017
First published
02 May 2017

Chem. Commun., 2017,53, 7314-7317
Article type
Communication

Capturing local structure modulations of photoexcited BiVO4 by ultrafast transient XAFS

Y. Uemura, D. Kido, A. Koide, Y. Wakisaka, Y. Niwa, S. Nozawa, K. Ichiyanagi, R. Fukaya, S. Adachi, T. Katayama, T. Togashi, S. Owada, M. Yabashi, K. Hatada, A. Iwase, A. Kudo, S. Takakusagi, T. Yokoyama and K. Asakura, Chem. Commun., 2017, 53, 7314
DOI: 10.1039/C7CC02201H

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