An efficient and low-cost TiO2 compact layer for performance improvement of dye-sensitized solar cells

Hua Yu; Shanqing Zhang; Huijun Zhao; Geoffrey Will; Porun Liu

doi:10.1016/j.electacta.2008.09.025

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An efficient and low-cost TiO2 compact layer for performance improvement of dye-sensitized solar cells

Journal article

Peer reviewed

An efficient and low-cost TiO2 compact layer for performance improvement of dye-sensitized solar cells

Hua Yu, Shanqing Zhang, Huijun Zhao, Geoffrey Will and Porun Liu

Electrochimica Acta, Vol.54(4), pp.1319-1324

2009

DOI: https://doi.org/10.1016/j.electacta.2008.09.025

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Abstract

TiO2 organic sol

compact film

blocking layer

DSSCs

A TiO2 organic sol was synthesised for the preparation of a compact TiO2 layer on fluorine-doped tin oxide (FTO) glass by a dip-coating technique. The resultant thin film was used for the fabrication of dye-sensitized solar cells (DSSCs). The compact layer typically has a thickness of ca. 110 nm as indicated by its SEM, and consists of anatase as confirmed by the XRD pattern. Compared with the traditional DSSCs without this compact layer, the solar energy-to-electricity conversion efficiency, short-circuit current and open-circuit potential of the DSSCs with the compact layer were improved by 33.3%, 20.3%, and 10.2%, respectively. This can be attributed to the merits brought by the compact layer. It can effectively improve adherence of TiO2 to FTO surface, provide a larger TiO2/FTO contact area, and reduce the electron recombination by blocking the direct contact between the redox electrolyte and the conductive FTO surface.

Details

Title: An efficient and low-cost TiO2 compact layer for performance improvement of dye-sensitized solar cells
Authors: Hua Yu (Corresponding Author) - Griffith University
Shanqing Zhang (Author) - Griffith University
Huijun Zhao (Author) - Griffith University
Geoffrey Will (Author) - Queensland University of Technology
Porun Liu (Author) - Griffith University
Publication details: Electrochimica Acta, Vol.54(4), pp.1319-1324
Publisher: Elsevier Ltd.
DOI: 10.1016/j.electacta.2008.09.025
ISSN: 1873-3859
Organisation Unit: School of Science, Technology and Engineering
Language: English
Record Identifier: 99737877702621
Output Type: Journal article

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Web Of Science research areas: Electrochemistry

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