Hydrogen-treated commercial WO3 as an efficient electrocatalyst for triiodide reduction in dye-sensitized solar cells

Ling Cheng; Yu Hou; Bo Zhang; Shuang Yang; Jian Wei Guo; Long Wu; Hua Gui Yang

doi:10.1039/C3CC42206B

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Hydrogen-treated commercial WO₃ as an efficient electrocatalyst for triiodide reduction in dye-sensitized solar cells†

Ling Cheng,^a Yu Hou,^a Bo Zhang,^ab Shuang Yang,^a Jian Wei Guo,^a Long Wu^a and Hua Gui Yang*^ac

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* Corresponding authors

^a Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
E-mail: hgyang@ecust.edu.cn
Fax: +86-21-64252127

^b Department of Physics, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China

^c Centre for Clean Environment and Energy, Gold Coast Campus, Griffith University, Queensland 4222, Australia

Abstract

The electrocatalytically inactive commercial WO₃ can be transformed into an efficient counter electrode (CE) material for dye-sensitized solar cells (DSCs) via facile hydrogen treatment. The energy conversion efficiency of the DSCs with the hydrogen-treated WO₃ CE was 5.43%, while the corresponding value for commercial WO₃ with the stoichiometric surface was only 0.63%.

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Article information

DOI: https://doi.org/10.1039/C3CC42206B
Article type: Communication
Submitted: 26 Mar 2013
Accepted: 13 May 2013
First published: 14 May 2013

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Chem. Commun., 2013,49, 5945-5947

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Hydrogen-treated commercial WO₃ as an efficient electrocatalyst for triiodide reduction in dye-sensitized solar cells

L. Cheng, Y. Hou, B. Zhang, S. Yang, J. W. Guo, L. Wu and H. G. Yang, Chem. Commun., 2013, 49, 5945 DOI: 10.1039/C3CC42206B

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