Improved structural/morphological durability for organic solar cells based on poly(3-hexylthiophene) fibers photoactive layers

被引：5
作者：
Paci, B. [1 ]
Generosi, A. [1 ]
Albertini, V. Rossi [1 ]
de Bettignes, R. [2 ]
机构：
[1] ISM CNR Area Ric Tor Vergata, I-00133 Rome, Italy
[2] SaVoie Technolac, Composants Solaires CEA INES RDI, F-73377 Le Bourget Du Lac, France
来源：
CHEMICAL PHYSICS LETTERS | 2013年 / 587卷
关键词：
HETEROJUNCTION PHOTOVOLTAIC DEVICES; POLYMER; BULK; MORPHOLOGY; FILMS; PERFORMANCE; EFFICIENCY; STABILITY; SURFACE; DEGRADATION;
D O I：
10.1016/j.cplett.2013.09.050
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Organic photovoltaic (OPV) materials must meet some stringent technological requirements, to bear continuous operation under variable temperature conditions. Here, an original approach to control the degradation pathway associated to the active material morphological instability is proposed. We demonstrate, for the first time, that polymer-fullerene nanostructured films incorporating poly(3-hexylthiophene) nanofibers, obtained from concentrated solutions at room-temperature, are characterized by superior structural durability. This is obtained monitoring in situ the active layer bulk/interface morphological properties by joint energy dispersive X-ray and atomic force microscopy time-resolved techniques: the preservation of the nanoscale morphology of the pristine films is very promising for flexible OPV applications. (C) 2013 Elsevier B. V. All rights reserved.
引用
收藏
页码：50 / 55
页数：6
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