Green-Solvent-Processed Molecular Solar Cells

被引：103

作者：

Chen, Xiaofen ^{[1
]}

Liu, Xiaofeng ^{[1
]}

Burgers, Mark A. ^{[1
]}

Huang, Ye ^{[1
]}

Bazan, Guillermo C. ^{[1
]}

机构：

[1] Univ Calif Santa Barbara, Dept Chem & Biochem, Ctr Polymers & Organ Solids, Santa Barbara, CA 93106 USA

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2014年 / 53卷 / 52期

关键词：

green chemistry; power conversion; molecular solar cells; organic semiconductors; sustainable chemistry; DESIGN; CHLOROBENZENES; MORPHOLOGY; CHEMISTRY; TRANSPORT; TOXICITY;

D O I：

10.1002/anie.201409208

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

High-efficiency bulk heterojunction (BHJ) organic solar cells with power conversion efficiencies of more than 5% can be fabricated using the green solvent 2-MeTHF. The active layers comprise a blend of a molecular semiconductor donor with intermediate dimensions (X2) and the soluble fullerene derivative [6,6]-phenyl-C-61-butyricacidoctylester (PC61BC8). A switch of the processing solvent from chloroform to 2-MeTHF leads to no negative impacts on the morphology and charge-transport properties of optimally performing BHJ films. Examinations by absorption spectroscopy, atomic force microscopy, and grazing incidence wide-angle X-ray scattering reveal no significant modification of morphology. These results show that green solvents can be excellent alternatives for large-area printing of high-performance organic photovoltaics (OPVs) and thus open new opportunities for sustainable mass production of organic solar cells and other optoelectronic devices.

引用

页码：14378 / 14381

页数：4

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