Chlorine-free processed high performance organic solar cells

被引：24

作者：

Synooka, O. ^{[1
]}

Eberhardt, K. -R. ^{[1
]}

Hoppe, H. ^{[1
]}

机构：

[1] Tech Univ Ilmenau, Inst Phys, D-98693 Ilmenau, Germany

来源：

RSC ADVANCES | 2014年 / 4卷 / 32期

关键词：

POWER CONVERSION EFFICIENCY; FREE SOLVENT; PHOTOVOLTAIC PERFORMANCE; HOMO LEVEL; POLYMER; MORPHOLOGY; FABRICATION; SYSTEMS; PHASE; FILMS;

D O I：

10.1039/c4ra01783h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The processing of polymer solar cells with non-halogenated solvents is highly desirable in order to achieve an environmentally friendly, sustainable large-scale fabrication of organic photovoltaics. This work demonstrates device processing free of chlorinated solvents yielding high-performance polymer: fullerene bulk-heterojunction solar cells comprising a conjugated polymer poly{[4,8-bis-(2-ethyl- hexyl-thiophene-5-yl)-benzo[1,2-b: 4,5-b0] dithiophene-2,6-diyl]-alt-[2-(20-ethyl-hexanoyl)-thieno [3,4-b] thiophen-4,6-diyl]} (PBDTTT-CT) and a fullerene derivative [6,6]-phenyl-C-70-butyric acid methyl ester (PC70BM). As compared to chlorobenzene/ ortho-dichlorobenzene cast devices the overall solar cell performance could be improved from 6.71% up to 7.15% by using xylene-based solvent systems.

引用

页码：16681 / 16685

页数：5

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