基于金属网的叠层染料敏化太阳能电池

doi:10.3724/SP.J.1077.2011.11015

无机材料学报 ›› 2011, Vol. 26 ›› Issue (7): 774-778.DOI: 10.3724/SP.J.1077.2011.11015

基于金属网的叠层染料敏化太阳能电池

黄毅敏, 刘志勇, 王晓祺, 鲁玉明, 蔡传兵

(上海大学物理系, 上海 200444)

收稿日期:2011-01-04 修回日期:2011-02-25 出版日期:2011-07-20 网络出版日期:2011-06-20
作者简介:HUANG Yi-Min(1986-), female, candidate of master. E-mail: adowntour@gmail.com
基金资助:
National Natural Science Foundation of China (50702033, 10774098); Project of Science and Technology Commission of Shanghai Municipality (0752nm017, 08521101502)

Tandem Dye-sensitized Solar Cell Based on Metal Mesh

HUANG Yi-Min, LIU Zhi-Yong, WANG Xiao-Qi, LU Yu-Ming, CAI Chuan-Bing

(Physics Department, Shanghai University, Shanghai 200444, China)

Received:2011-01-04 Revised:2011-02-25 Published:2011-07-20 Online:2011-06-20
About author:HUANG Yi-Min(1986-), female, candidate of master. E-mail: adowntour@gmail.com
Supported by:
National Natural Science Foundation of China (50702033, 10774098); Project of Science and Technology Commission of Shanghai Municipality (0752nm017, 08521101502)

摘要/Abstract

摘要： 本文提出了一种新型染料敏化太阳能电池的叠层结构设计, 其中光阳极由导电玻璃上的第一层TiO₂纳米薄膜和不锈钢网上的第二层TiO₂纳米薄膜组成, 不同染料间的负反应相比混染共敏方式少. 此结构中引入的金属网, 减少了导电玻璃的使用片数, 从而减少入射光的损失; 同时也解决了两层不同TiO₂薄膜间的电连接性问题, 并提高电子传输和收集效率. 此叠层电池的光电转换效率达1.96%, 短路电流为8.4mA/cm², 相比相同电池厚度的单层电池, 效率提高约62%. 通过阻抗谱分析了叠层电池内部的电子传输, 给出叠层电池的等效电路图. 此外, 还发现电池厚度的增加及电子在不锈钢网表面的复合对光电性能有显著影响.

关键词: 叠层, 染料敏化太阳能电池, 金属网

Abstract: A newly structured tandem dye-sensitized solar cell (tandem DSC) based on stainless mesh was introduced, in which the electrode constituted a first TiO₂film on TCO and a second TiO₂ film on stainless mesh. Negative interaction between different dyes in this structure is less than that by normal method of cocktail-dyes dipping. The application of stainless mesh here reduces the loss of incident light, solves the problem of electronic connection between two different TiO₂ films, as well as improves electron transport and collection. This tandem cell achieved a power conversion efficiency of 1.96% with short circuit current density of 8.4mA/cm². Compared with normal mono-layer DSC with similar cell thickness, efficiency was improved about 62% by this tandem structure. Electrochemical impedance spectroscope (EIS) was used to analyze the electron transport in tandem DSC, and an equivalent circuit for tandem DSC was also proposed here. Meanwhile, the increased cell thickness and electron recombination on the surface of the stainless mesh have obvious influence on the photovoltaic performance.

Key words: tandem, dye-sensitized solar cell, metal mesh

中图分类号:

TM914

黄毅敏, 刘志勇, 王晓祺, 鲁玉明, 蔡传兵. 基于金属网的叠层染料敏化太阳能电池[J]. 无机材料学报, 2011, 26(7): 774-778.

HUANG Yi-Min, LIU Zhi-Yong, WANG Xiao-Qi, LU Yu-Ming, CAI Chuan-Bing. Tandem Dye-sensitized Solar Cell Based on Metal Mesh[J]. Journal of Inorganic Materials, 2011, 26(7): 774-778.

参考文献

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基于金属网的叠层染料敏化太阳能电池

Tandem Dye-sensitized Solar Cell Based on Metal Mesh

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