Thermoelectric Bi2Te3-improved charge collection for high-performance dye-sensitized solar cells

Tao Chen; Guan Hong Guai; Cheng Gong; Weihua Hu; Jinxin Zhu; Hongbin Yang; Qingyu Yan; Chang Ming Li

doi:10.1039/C1EE02385C

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Thermoelectric Bi₂Te₃-improved charge collection for high-performance dye-sensitized solar cells†‡

Tao Chen,^ab Guan Hong Guai,^b Cheng Gong,^b Weihua Hu,^a Jinxin Zhu,^c Hongbin Yang,^b Qingyu Yan^c and Chang Ming Li*^ab

Author affiliations

* Corresponding authors

^a Institute for Clean Energy & Advanced Materials, Southwest University, Chongqing, P.R. China

^b School of Chemical and Biomedical Engineering and Center for Advanced Bionanosystems, Nanyang Technological University, 70 Nanyang Drive, Singapore
E-mail: ecmli@ntu.edu.sg
Fax: +65 6791 176
Tel: +65 6790 4485

^c School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore

Abstract

A new dye-sensitized solar cell based on a thermoelectric Bi₂Te₃/TiO₂ composite anode is demonstrated, in which the incorporated Bi₂Te₃ nanoplates function as built-in nanoscale electron generators to convert “waste heat” to electricity and as a good photoreaction catalyst to enhance the charge transfer rate, resulting in 28% improvement of the overall power conversion efficiency.

This article is part of the themed collections: Dalian National Laboratory for Clean Energy and Thermoelectrics

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Article information

DOI: https://doi.org/10.1039/C1EE02385C
Article type: Communication
Submitted: 16 Aug 2011
Accepted: 03 Oct 2011
First published: 03 Nov 2011

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Energy Environ. Sci., 2012,5, 6294-6298

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Thermoelectric Bi₂Te₃-improved charge collection for high-performance dye-sensitized solar cells

T. Chen, G. H. Guai, C. Gong, W. Hu, J. Zhu, H. Yang, Q. Yan and C. M. Li, Energy Environ. Sci., 2012, 5, 6294 DOI: 10.1039/C1EE02385C

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