Improving the Ordering and Photovoltaic Properties by Extending π-Conjugated Area of Electron-Donating Units in Polymers with D-A Structure

被引：301

作者：

Huang, Ye ^{[3
]}

Guo, Xia ^{[3
]}

Liu, Feng ^{[1
]}

Huo, Lijun ^{[3
]}

Chen, Yuning ^{[3
]}

Russell, Thomas P. ^{[1
]}

Han, Charles C. ^{[3
]}

Li, Yongfang ^{[2
]}

Hou, Jianhui ^{[3
]}

机构：

[1] Univ Massachusetts, Dept Polymer Sci & Engn, Amherst, MA 01003 USA

[2] Chinese Acad Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing 100190, Peoples R China

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

来源：

ADVANCED MATERIALS | 2012年 / 24卷 / 25期

关键词：

low bandgap polymers; polymer solar cells; two-dimensional; order structure; HETEROJUNCTION SOLAR-CELLS; OPEN-CIRCUIT VOLTAGE; DESIGN; DONOR; EFFICIENCY; ORGANIZATION; ENHANCEMENT; DENSITY; PACKING; ATOM;

D O I：

10.1002/adma.201200995

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A systematic molecular design process from PBDTTT-S to PBDTDTTT-S-T, a high-performance semiconducting polymer for organic photovoltaics, has been achieved by enhancing structural order, self-assembly and carrier mobility. Solar cells made from PBDTDTTT-S-T blended with PC 70BM show a power conversion efficiency (PCE) of 7.81%, which is 25% higher than that of the parent PBDTTT-S. © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：3383 / 3389

页数：7

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