Low temperature preparation of a high performance Pt/SWCNT counter electrode for flexible dye-sensitized solar cells

被引：63
|
作者：
Xiao, Yaoming [1 ]
Wu, Jihuai [1 ]
Yue, Gentian [1 ]
Lin, Jianmin [1 ]
Huang, Miaoliang [1 ]
Lan, Zhang [1 ]
机构：
[1] Huaqiao Univ, Inst Mat Phys Chem, Minist Educ, Engn Res Ctr Environm Friendly Funct Mat, Quanzhou 362021, Peoples R China
来源：
ELECTROCHIMICA ACTA | 2011年 / 56卷 / 24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：
Platinum; Carbon nanotube; Counter electrode; Vacuum thermal decomposition; Flexible dye-sensitized solar cells; LOW-COST; BEHAVIOR; TRANSPARENT; EFFICIENCY; NANOTUBES; FILMS;
D O I：
10.1016/j.electacta.2011.07.043
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A platinum/single-wall carbon nanotube (Pt/SWCNT) film was sprayed onto a flexible indium-doped tin oxide coated polyethylene naphthalate (ITO/PEN) substrate to form a counter electrode for use in a flexible dye-sensitized solar cell using a vacuum thermal decomposition method at low temperature (120 degrees C). The obtained Pt/SWCNT electrode showed good chemical stability and light transmittance and had lower charge transfer resistance and higher electrocatalytic activity for the I-3(-)/I- redox reaction compared to the flexible Pt electrode or a commercial Pt/Ti electrode. The light-to-electric energy conversion efficiency of the flexible DSSC based on the Pt/SWCNT/ITO/PEN counter electrode and the TiO2/Ti photoanode reached 5.96% under irradiation with a simulated solar light intensity of 100 mW cm(-2). The efficiency was increased by 25.74% compared to the flexible DSSC with an unmodified Pt counter electrode. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：8545 / 8550
页数：6
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