Carboxyl-modified conjugated polymer sensitizer for dye sensitized solar cells: significant efficiency enhancement

被引：7
|
作者：
Chhatre, Shraddha [1 ]
Agarkar, Shruti [1 ]
Dhas, Vivek [1 ]
Nagane, Satyawan [1 ]
Thakare, Vishal [1 ]
Ogale, Satishchandra [1 ]
Wadgaonkar, Prakash [1 ]
机构：
[1] Natl Chem Lab CSIR NCL, Ctr Excellence Solar Energy, Pune 411008, Maharashtra, India
来源：
JOURNAL OF MATERIALS CHEMISTRY | 2012年 / 22卷 / 43期
关键词：
ORGANIC SENSITIZERS; CONVERSION; COMPLEXES; LIGHT; ACID;
D O I：
10.1039/c2jm35643k
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A simple two step strategy was developed to introduce carboxyl groups via Vilsmeier-Haack formylation on the commercially available conjugated polymer BEHP-co-MEH PPV followed by Knoevenagel condensation. Adsorption of the carboxyl-modified polymer onto TiO2 film and J-V curves were studied for the dye sensitized solar cell and compared with the base polymer BEHP-co-MEH PPV. Carboxyl-modification of BEHP-co-MEH PPV resulted in significant enhancement in the efficiency (3%), compared to the base polymer which showed an efficiency of only 0.3%. The details of the synthetic procedure, characterization and the photovoltaic property measurements are presented and discussed.
引用
收藏
页码：23267 / 23271
页数：5
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