Application of a polymer heterojunction in dye-sensitized solar cells

被引：29
|
作者：
Wu, Jihuai [1 ]
Yue, Gentian [1 ]
Xiao, Yaoming [1 ]
Ye, Haifeng [1 ]
Lin, Jianming [1 ]
Huang, Miaoliang [1 ]
机构：
[1] Huaqiao Univ, Inst Mat Phys Chem, Quanzhou 362021, Fujian, Peoples R China
来源：
ELECTROCHIMICA ACTA | 2010年 / 55卷 / 20期
基金：
国家高技术研究发展计划(863计划); 中国国家自然科学基金;
关键词：
Dye-sensitized solar cell; Heterojunction; 6,6]-Phenyl-C-61-butyric acid methyl ester; Poly(3-hexylthiophene); PHOTOVOLTAIC PROPERTIES; GEL ELECTROLYTE; EFFICIENCY; CONVERSION; PROGRESS;
D O I：
10.1016/j.electacta.2010.05.025
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Using a blend heterojunction consisting of a C-60 derivative, [6,6]-phenyl-C-61-butyric acid methyl ester (PCBM), and poly(3-hexylthiophene) (P3HT) as a charge carrier transfer medium to replace the I-3(-)/I- redox electrolyte, a novel TiO2/dye/PCBM/P3HT dye-sensitized solar cell was fabricated and characterized. It was found that the P3HT/PCBM heterojunction widened the incident light harvest range from ultraviolet to visible light, and improved the photoelectrical response of the dye-sensitized solar cell. We investigated the influence of the PCBM/P3HT ratio and barrier layer on the photoelectric performance of the solar cell and proposed optimized preparation conditions. The optimized solar cell with a barrier layer and PCBM/P3HT ratio of 1:2 had a short circuit current density of 5.52 mA cm(-2), an open circuit voltage of 0.87 V, a fill factor of 0.640 and a light-to-electric energy conversion efficiency of 3.09% under a simulated solar light irradiation of 100 mW cm(-2). (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：5798 / 5802
页数：5
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