Improvement of Photoluminescent and Photovoltaic Properties of Poly(thienylene vinylene) by Carboxylate Substitution

被引：82
|
作者：
Huo, Lijun [1 ,2 ,3 ]
Chen, Teresa L. [1 ,2 ]
Zhou, Yi [1 ,2 ]
Hou, Jianhui [1 ,2 ]
Chen, Hsiang-Yu [1 ,2 ]
Yang, Yang [1 ,2 ]
Li, Yongfang [3 ]
机构：
[1] Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA
[2] Univ Calif Los Angeles, Calif Nanosyst Inst, Los Angeles, CA 90095 USA
[3] Chinese Acad Sci, Beijing Natl Lab Mol Sci, Key Lab Organ Solids, Inst Chem, Beijing 100190, Peoples R China
来源：
MACROMOLECULES | 2009年 / 42卷 / 13期
基金：
美国国家科学基金会;
关键词：
ORGANIC SOLAR-CELLS; BAND-GAP POLYMERS; ELECTRON-TRANSFER; DERIVATIVES; COPOLYMERS; ENERGY;
D O I：
10.1021/ma900841q
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A study was conducted to demonstrate the synthesis of a new poly(thienylene vinylene) (PVT) derivative, poly(3-carboxylated thienylenevinylene) (P3CVT). The P3CVT derivative contained a carboxylate substituted group in the 3-position of thiophene by Stille coupling reaction. It was also demonstrated that the derivative possessed significant film-forming ability and was soluble in common organic solvents, such as chlorobenzene, dichlorobenzene, and chloroform. The increased photoluminescence of P3CVT in solution was mainly related to the reduction of nonradiative relaxation pathways after the introduction of carboxylate group. Photovoltaic performance of the derivatives was investigated in comparison with that of P3HVT derivatives. The significant improvement of the photovoltaic properties of PVTs by the carboxylate substitution also indicated that they had the potential to be used as photovoltaic materials after suitable modification.
引用
收藏
页码：4377 / 4380
页数：4
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