Effect of the Fibrillar Microstructure on the Efficiency of High Molecular Weight Diketopyrrolopyrrole-Based Polymer Solar Cells

被引：213

作者：

Li, Weiwei ^{[1
]}

Hendriks, Koen H. ^{[1
]}

Furlan, Alice ^{[1
]}

Roelofs, W. S. C. ^{[1
]}

Meskers, Stefan C. J. ^{[1
]}

Wienk, Martijn M. ^{[1
]}

Janssen, Rene A. J. ^{[1
]}

机构：

[1] Eindhoven Univ Technol, NL-5600 MB Eindhoven, Netherlands

来源：

ADVANCED MATERIALS | 2014年 / 26卷 / 10期

关键词：

conjugated polymers; organic electronics; organic solar cells; microstructure; exciton diffusion; SIDE-CHAIN; CONJUGATED POLYMERS; DONOR POLYMERS; TANDEM POLYMER; PERFORMANCE; MOBILITY; BENZODITHIOPHENE; SUBSTITUENTS; ENERGY;

D O I：

10.1002/adma.201304360

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The nature of the solubilizing alkyl side chains has a strong effect on the performance of semiconducting diketopyrrolopyrrole polymers in organic solar cells with fullerene acceptors. The effect relates to the width of semicrystalline polymer fibrils that form in these blends. If the width of the fibril is wider than the exciton diffusion length, fewer charges form and the efficiency drops. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：1565 / 1570

页数：6

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