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Photovoltaic Performance of Triphenylamine Dyes-sensitized Solar Cells Employing Cobalt Redox Shuttle and Influence of π-conjugated Spacers
Jiang-nan Jia,Kai Tang,Mao Liang*,Hong-yu Han,Quan-ping Wu,Song Xue*
Author NameAffiliationE-mail
Jiang-nan Jia Department of Applied Chemistry, Tianjin University of Technology, Tianjin 300384, China  
Kai Tang Department of Applied Chemistry, Tianjin University of Technology, Tianjin 300384, China  
Mao Liang* Department of Applied Chemistry, Tianjin University of Technology, Tianjin 300384, China liangmao717@126.com 
Hong-yu Han Department of Applied Chemistry, Tianjin University of Technology, Tianjin 300384, China  
Quan-ping Wu Department of Applied Chemistry, Tianjin University of Technology, Tianjin 300384, China  
Song Xue* Department of Applied Chemistry, Tianjin University of Technology, Tianjin 300384, China xuesong@ustc.edu.cn 
Abstract:
Developing photosensitizers suitable for the cobalt electrolyte and understanding the structure-property relationship of organic dyes is warranted for the dye-sensitized solar cells (DSSCs). The DSSCs incorporating tris(1,10-phenanthroline)cobalt(II/III)-based redox elec-trolyte and four synthesized organic dyes as photosensitizers are described. The photovoltaic performance of these dyes-sensitized solar cells employing the cobalt redox shuttle and the influences of the π-conjugated spacers of organic dyes upon the photovoltage and photocur-rent of mesoscopic titania solar cells are investigated. It is found that organic dyes with thiophene derivates as linkers are suitable for DSSCs employing cobalt electrolytes. DSSCs sensitized with the as-synthesized dyes in combination with the cobalt redox shuttle yield an overall power conversion efficiency of 6.1% under 100 mW/cm2 AM1.5 G illumination.
Key words:  Dye-sensitized solar cell, Organic dye, Cobalt redox shuttle, Mass transport, Charge recombination
FundProject:
三苯胺染料在钴电解质电池中的光伏性能
贾江南,唐恺,梁茂*,韩虹雨,武全萍,薛松*
摘要:
合成了4种己氧基取代的三苯胺类有机染料,制备了钴电解质的染料敏化太阳能电池,研究了染料的共轭桥结构对电池的光电压和光电流的影响.结果表明,以噻吩环为共轭桥的有机染料在钴电解质的染料敏化太阳能电池中表现良好的光伏性能,在100 mW/cm2太阳光照射下,获得6.1%的光电转换效率.同时研究了染料的构效关系.
关键词:  染料敏化电池,有机染料,钴电解质,电荷分离,光电效率
DOI:10.1063/1674-0068/26/03/310-320
分类号: