Facile synthesis of Au@TiO2 core–shell hollow spheres for dye-sensitized solar cells with remarkably improved efficiency

Jiang Du; Jian Qi; Dan Wang; Zhiyong Tang

doi:10.1039/C2EE21264A

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Facile synthesis of Au@TiO₂ core–shell hollow spheres for dye-sensitized solar cells with remarkably improved efficiency†

Jiang Du,‡^a Jian Qi,‡^b Dan Wang*^a and Zhiyong Tang*^b

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* Corresponding authors

^a State Key Laboratory of Multiphase Complex Systems Institute of Process Engineering, Chinese Academy of Sciences, Beijing, P. R. China
E-mail: danwang@mail.ipe.ac.cn
Fax: (+86) 010-62631141

^b Laboratory for Nanomaterials, , National Center for Nanoscience and Technology, Beijing, P. R. China
E-mail: zytang@nanoctr.cn
Fax: (+86) 010-62656765

Abstract

Au@TiO₂ hollow submicrospheres with controllable sizes and shell thicknesses are easily synthesized by the hydrothermal method. When Au@TiO₂ hollow submicrospheres are used as the photoanodes of DSSCs, a power conversion efficiency of 8.13% is achieved, which exhibits a 30% increase compared with the conventional DSSCs fabricated with P25 TiO₂ photoanodes.

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Article information

DOI: https://doi.org/10.1039/C2EE21264A
Article type: Communication
Submitted: 02 Feb 2012
Accepted: 09 Mar 2012
First published: 12 Mar 2012

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Energy Environ. Sci., 2012,5, 6914-6918

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Facile synthesis of Au@TiO₂ core–shell hollow spheres for dye-sensitized solar cells with remarkably improved efficiency

J. Du, J. Qi, D. Wang and Z. Tang, Energy Environ. Sci., 2012, 5, 6914 DOI: 10.1039/C2EE21264A

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Energy & Environmental Science