Amino acid assisted synthesis of mesoporous TiO2 nanocrystals for high performance dye-sensitized solar cells

Xia Wu; Jian Liu; Zhigang Chen; Qihua Yang; Can Li; Gaoqing Lu; Lianzhou Wang

doi:10.1039/C2JM16762J

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Amino acid assisted synthesis of mesoporous TiO₂nanocrystals for high performance dye-sensitized solar cells†

Xia Wu,^a Jian Liu,^a Zhigang Chen,^a Qihua Yang,*^b Can Li,^b Gaoqing Lu^a and Lianzhou Wang*^a

Author affiliations

* Corresponding authors

^a ARC Centre of Excellence for Functional Nanomaterials, School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology, the University of Queensland, St Lucia, Brisbane, QLD 4072, Australia
E-mail: l.wang@uq.edu.au
Fax: +617-3365-4199
Tel: +617-3365-4218

^b State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China
E-mail: yangqh@dicp.ac.cn
Fax: +86-411-84694447

Abstract

Mesoporous TiO₂ nanocrystals (denoted as TiO₂-MS) have been synthesised by a one-step amino acid assisted synthesis method using L-lysine as a catalyst. An ∼18% enhancement in dye-sensitized solar cells’ (DSSCs) conversion efficiency was achieved using the TiO₂-MS as photoanodes compared to that of benchmark Degussa P25 TiO₂. The improved dye loading capacity and reduced charge recombination of TiO₂-MS are responsible for the enhanced performance.

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Article information

DOI: https://doi.org/10.1039/C2JM16762J
Article type: Communication
Submitted: 22 Dec 2011
Accepted: 13 Apr 2012
First published: 18 Apr 2012

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J. Mater. Chem., 2012,22, 10438-10440

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Amino acid assisted synthesis of mesoporous TiO₂ nanocrystals for high performance dye-sensitized solar cells

X. Wu, J. Liu, Z. Chen, Q. Yang, C. Li, G. Lu and L. Wang, J. Mater. Chem., 2012, 22, 10438 DOI: 10.1039/C2JM16762J

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Journal of Materials Chemistry