Solvent effect and device optimization of diketopyrrolopyrrole and carbazole copolymer based solar cells

被引：39

作者：

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

Zou, Yingping ^{[2
]}

Leclerc, Mario ^{[2
]}

Tao, Ye ^{[1
]}

机构：

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

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

来源：

ORGANIC ELECTRONICS | 2010年 / 11卷 / 06期

关键词：

Solar cells; Polymer structure; Solvent effect; Carbazole; MORPHOLOGY; MOBILITY; POLY(3-HEXYLTHIOPHENE); TRANSISTORS;

D O I：

10.1016/j.orgel.2010.03.004

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Bulk heterojunction organic photovoltaic cells using blends of poly[N-9'-heptadecanyl-2,7carbazole-alt-3,6-bis(thiophen-5-yl)-2,5-dioctyl-2,5-dihydropyrrolo[3,4-]pyrrole-1,4-dione] (PCBTDPP) and [6,6]-phenyl-C61-butyric acid methyl ester (PC60BM) or [6,6]-phenyl-C71-butyric acid methyl ester (PC70BM) as electron donor and acceptor were fabricated and characterized. Devices made from 1,2-dichlorobenzene solution demonstrated better performance in terms of short-circuit current density, open-circuit voltage and power conversion efficiency, as compared to the devices made from chloroform and chlorobenzene solutions. By optimizing the donor/acceptor ratio and the thickness of the active layer, a power conversion efficiency of 3.2% was achieved on devices with an active device area of 1 cm(2), under 100 mW/cm(2) of simulated AM1.5 irradiation. Crown Copyright (C) 2010 Published by Elsevier B.V. All rights reserved.

引用

页码：1053 / 1058

页数：6

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