Enhanced Photovoltaic Performance by Modulating Surface Composition in Bulk Heterojunction Polymer Solar Cells Based on PBDTTT-C-T/PC71BM

被引：205

作者：

Guo, Xia ^{[1
,4
]}

Zhang, Maojie ^{[1
]}

Ma, Wei ^{[2
]}

Ye, Long ^{[1
,4
]}

Zhang, Shaoqing ^{[1
]}

Liu, Shengjian ^{[3
]}

Ade, Harald ^{[2
]}

Huang, Fei ^{[3
]}

Hou, Jianhui ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Chem, State Key Lab Polymer Phys & Chem, Beijing 100190, Peoples R China

[2] N Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA

[3] S China Univ Technol, Inst Polymer Optoelect Mat & Devices, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R China

[4] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

ADVANCED MATERIALS | 2014年 / 26卷 / 24期

基金：

中国国家自然科学基金;

关键词：

solvent additives; morphology; polymer solar cells; surface composition; VERTICAL PHASE-SEPARATION; HIGHLY EFFICIENT; CONJUGATED POLYELECTROLYTE; MORPHOLOGY; ADDITIVES; CATHODE; IMPROVE; BLENDS; LAYER; OXIDE;

D O I：

10.1002/adma.201400411

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

For the blend film of PBDTTT-C-T:PC71BM, the use of 1,8-diiodooctane as the solvent additive enriches the polymer at the top surface, so that a power conversion efficiency of 9.13% is recorded in the inverted polymer solar cell based on the blend, which is much higher than that of the device with conventional structure. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：4043 / 4049

页数：7

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