A High-Mobility Low-Bandgap Poly(2,7-carbazole) Derivative for Photovoltaic Applications

被引：230

作者：

Zou, Yingping ^{[1
]}

Gendron, David ^{[1
]}

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

Najari, Ahmed ^{[1
]}

Tao, Ye ^{[2
]}

Leclerc, Mario ^{[1
]}

机构：

[1] Univ Laval, Dept Chim, Quebec City, PQ G1K 7P4, Canada

[2] Natl Res Council Canada, Inst Microstruct Sci, Ottawa, ON K1A 0R6, Canada

来源：

MACROMOLECULES | 2009年 / 42卷 / 08期

基金：

加拿大自然科学与工程研究理事会;

关键词：

FIELD-EFFECT TRANSISTORS; SOLAR-CELLS; ORGANIC PHOTOVOLTAICS; POLYMER; DEVICES; DESIGN; LUMINESCENT; PERFORMANCE; CHAIN; DPP;

D O I：

10.1021/ma900364c

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 new processable, high molecular weight, low bandgap poly(2,7-carbazole) derivative (PCBTDPP), namely poly[N-9'-heptadecanyl-2,7-carbazole-alt-3,6- bis(thiophen-5-yl)-2,5-dioctyl-2,5-dihydropyrrolo[3,4-]pyrrole-1,4-dione], was studied for photovoltaic applications. This polymer combines a high glass transition temperature, good solubility, relatively high molecular weight, and air stability. Organic field-effect transistors were investigated and at room temperature, the hole mobility reaches 0.02 cm2 V-1 s-1 with an on/off ratio of 1.4 × 106. Preliminary results on the photovoltaic device based on PCBTDPP: PCBM bulk heterojunction give a power conversion efficiency of 1.6%. These results show that PCBTDPP is a promising polymer material for its use in field effect transistors and solar cells. Thermogravimetric analysis shows that the polymer exhibits good stability up to 430°C.

引用

页码：2891 / 2894

页数：4

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