Au nanoparticle decorated WO3 photoelectrode for enhanced photoelectrochemical properties

Fang Xu; Yanwen Yao; Dandan Bai; Ruishu Xu; Jingjing Mei; Dapeng Wu; Zhiyong Gao; Kai Jiang

doi:10.1039/C5RA06241A

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Au nanoparticle decorated WO₃ photoelectrode for enhanced photoelectrochemical properties†

Fang Xu,*^a Yanwen Yao,^a Dandan Bai,^a Ruishu Xu,^a Jingjing Mei,^a Dapeng Wu,^a Zhiyong Gao^a and Kai Jiang*^a

Author affiliations

* Corresponding authors

^a Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, P. R. China
E-mail: jiangkai6898@126.com
Fax: +86 3733326209

Abstract

An Au decorated WO₃ photoelectrode was successfully synthesized and the photoelectrochemical properties were studied. Due to the enhanced light absorption, higher carrier density and lower transport resistance resulting from the surface plasmon resonance of Au nanoparticles, an improved photocurrent density of 0.44 mA cm⁻² at 1 V vs. Ag/AgCl in 0.5 M NaSO₄ under irradiation of 100 mW cm⁻² was achieved, demonstrating about quadruple than that of a WO₃ photoelectrode.

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Article information

DOI: https://doi.org/10.1039/C5RA06241A
Article type: Communication
Submitted: 08 Apr 2015
Accepted: 29 Jun 2015
First published: 01 Jul 2015

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RSC Adv., 2015,5, 60339-60344

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Au nanoparticle decorated WO₃ photoelectrode for enhanced photoelectrochemical properties

F. Xu, Y. Yao, D. Bai, R. Xu, J. Mei, D. Wu, Z. Gao and K. Jiang, RSC Adv., 2015, 5, 60339 DOI: 10.1039/C5RA06241A

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