Solid-state Dye-sensitized Solar Cell Prepared by Electrochemical Deposition

doi:10.7517/j.issn.1674-0475.2014.06.514

Imaging Science and Photochemistry ›› 2014, Vol. 32 ›› Issue (6): 514-522.DOI: 10.7517/j.issn.1674-0475.2014.06.514

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Solid-state Dye-sensitized Solar Cell Prepared by Electrochemical Deposition

LI Haiyang^1,2, ZHANG Jingbo³, WEI Gang¹, SUN Lina¹, LIN Yuan², FU Guozhu¹

1. National Key Laboratory of Chemical Effective Utilization of Resources, Beijing Key Laboratory of Materials for Electrochemical Process and Technology, College of Material Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P.R.China;
2. Beijing National Laboratory for Molecular Sciences, Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P.R.China;
3. Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education, Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin 300387, P.R.China

Received:2014-03-19 Revised:2014-05-08 Online:2014-11-15 Published:2014-11-15
Supported by:
Supported by the National Natural Science Foundation of China (21273160, 51102011), the Program for Innovative Research Team in University of Tianjin (TD12-5038) and the Program for Excellent Introduced Talents of Tianjin Normal University in China (5RL116)

Abstract

Abstract:

One-step electrochemical deposition method was employed to serially deposit a ZnO/dye hybrid thin film on the conducting glass substrate and then a CuSCN thin layer. Thus a solid-state dye-sensitized solar cell with structure of ZnO/dye/CuSCN was fabricated only by the electrodeposition method, and the photoelectric conversion efficiency of the fabricated solar cell attained 0.1%. Prior to deposition of CuSCN, the dye was first extracted from the as-prepared ZnO/dye hybrid thin film to form porous ZnO thin film, and then dye-sensitized ZnO nanoporous thin film was prepared by readsorption of dye. Crystal size, growth orientation and morphology of ZnO and CuSCN can be accurately controlled by the electrochemical deposition approach, respectively. The factors such as rotating speed of the rotating disk electrode, temperature of electrodeposition, addition of different dyes, to influence the morphology of the as-deposited thin films and the photoelectric conversion efficiency of the as-prepared solar cells were also studied in this paper. The electrochemical deposition operated at low temperature opens a way to fabricate flexible dye-sensitized solar cells in future.

Key words: electrochemical deposition, ZnO/dye/CuSCN, solid-state dye-sensitized solar cell, photoelectric conversion efficiency

LI Haiyang, ZHANG Jingbo, WEI Gang, SUN Lina, LIN Yuan, FU Guozhu. Solid-state Dye-sensitized Solar Cell Prepared by Electrochemical Deposition[J]. Imaging Science and Photochemistry, 2014, 32(6): 514-522.

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Solid-state Dye-sensitized Solar Cell Prepared by Electrochemical Deposition

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