Low-cost SnSx counter electrodes for dye-sensitized solar cells

Xiao Chen; Yu Hou; Bo Zhang; Xiao Hua Yang; Hua Gui Yang

doi:10.1039/C3CC42679C

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Low-cost SnS_x counter electrodes for dye-sensitized solar cells†

Xiao Chen,‡^a Yu Hou,‡^a Bo Zhang,^a Xiao Hua Yang*^a and Hua Gui Yang*^ab

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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, 130 Meilong Road, Shanghai 200237, China
E-mail: hgyang@ecust.edu.cn, yangxiaohuayou@163.com
Fax: +86 21 64252127
Tel: +86 21 64252127

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

Abstract

SnS nanosheets (NSs), SnS nanowires (NWs) and SnS₂ nanosheets were synthesized and investigated as counter electrode (CE) catalysts in a I₃⁻/I⁻ based dye-sensitized solar cell (DSC) system for the first time. It is found that the SnS NS based DSCs show comparable power-conversion efficiency (E_ff = 6.56%) to Pt (7.56%), while the E_ff of SnS NW and SnS₂ NS based DSCs are 5.00% and 5.14% respectively, indicating the excellent catalytic activity of SnS_x for the reduction of triiodide to iodide.

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Article information

DOI: https://doi.org/10.1039/C3CC42679C
Article type: Communication
Submitted: 12 Apr 2013
Accepted: 06 May 2013
First published: 08 May 2013

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Chem. Commun., 2013,49, 5793-5795

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Low-cost SnS_x counter electrodes for dye-sensitized solar cells

X. Chen, Y. Hou, B. Zhang, X. H. Yang and H. G. Yang, Chem. Commun., 2013, 49, 5793 DOI: 10.1039/C3CC42679C

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Chemical Communications