Synthesis and Photovoltaic Properties of Poly(dithieno[3,2-b:2′,3′-d]germole) Derivatives

被引：83

作者：

Gendron, David ^{[1
]}

Morin, Pierre-Olivier ^{[1
]}

Berrouard, Philippe ^{[1
]}

Allard, Nicolas ^{[1
]}

Aich, Badrou Reda ^{[1
,2
]}

Garon, Christian N. ^{[1
]}

Tao, Ye ^{[2
]}

Leclerc, Mario ^{[1
]}

机构：

[1] Univ Laval, Dept Chem, Quebec City, PQ G1V 0A6, Canada

[2] Natl Res Council Canada, Inst Microstruct Sci, Ottawa, ON K1V 0A6, Canada

来源：

MACROMOLECULES | 2011年 / 44卷 / 18期

基金：

加拿大自然科学与工程研究理事会;

关键词：

HETEROJUNCTION SOLAR-CELLS; GROUP-14; METALLOLES; CONJUGATED POLYMERS; CHEMISTRY; EFFICIENT; SILICON; DITHIENOGERMOLE; PERFORMANCE; COPOLYMER; GERMOLES;

D O I：

10.1021/ma2013496

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 series of new dithieno[3,2-b:2',3'-d]germole copolymers have been synthesized and characterized. The dithienogermole unit has been polymerized with different aromatic comonomers such as the benzothiadiazole (PGe1-C8 and PGe1-EH) and thieno[3,4-c]pyrrole-4,6-dione (PGe2). Suzuki and Stille coupling polymerizations under various conditions have been utilized. The polymers were then characterized by size-exclusion chromatography and thermal analyses (TGA, DSC), and their optical and electronic properties were investigated by UV-vis absorption spectroscopy and cyclic voltammetry. These low bandgap polymers (1.3-1.7 eV) have also been tested for photovoltaic applications; the best result was achieved with polymer PGe2, which shows a power conversion efficiency of 4.1%.

引用

页码：7188 / 7193

页数：6

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