Efficient Polymer Solar Cells Based on the Copolymers of Benzodithiophene and Thienopyrroledione

被引：334

作者：

Zhang, Yong ^{[1
]}

Hau, Steven K. ^{[1
]}

Yip, Hin-Lap ^{[1
]}

Sun, Ying ^{[1
]}

Acton, Orb ^{[1
]}

Jen, Alex K-Y. ^{[1
]}

机构：

[1] Univ Washington, Dept Mat Sci & Engn, Seattle, WA 98195 USA

来源：

CHEMISTRY OF MATERIALS | 2010年 / 22卷 / 09期

基金：

美国国家科学基金会;

关键词：

BANDGAP;

D O I：

10.1021/cm100417z

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：

Bulk heterojunction solar cells based on a novel low band gap polymer, PBDTTPD, were investigated. In the conventional device structures, a power conversion efficiency of 4.1% could be achieved from the thin film blend of PBDTTPD:PC71BM(1:2) with a current density of 9.8mAcm-2, Voc of 0.84 V, and FF of ∼ 50%. The high Voc (0.87 V) is the result of the lower HOMO level of the polymer. In addition, inverted devices with PBDTTPD: PC71BM (1:2) as active layer were also investigated. © 2010 American Chemical Society.

引用

页码：2696 / 2698

页数：3

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