Effect of Fluorine Content in Thienothiophene-Benzodithiophene Copolymers on the Morphology and Performance of Polymer Solar Cells

被引：135
|
作者：
Liu, Peng [1 ]
Zhang, Kai [1 ]
Liu, Feng [2 ]
Jin, Yaocheng [1 ]
Liu, Shengjian [1 ]
Russell, Thomas P. [2 ]
Yip, Hin-Lap [1 ]
Huang, Fei [1 ]
Cao, Yong [1 ]
机构：
[1] S China Univ Technol, Inst Polymer Optoelect Mat & Devices, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R China
[2] Univ Massachusetts, Dept Polymer Sci & Engn, Amherst, MA 01003 USA
来源：
CHEMISTRY OF MATERIALS | 2014年 / 26卷 / 09期
关键词：
LOW-BANDGAP POLYMERS; OPEN-CIRCUIT VOLTAGE; POWER CONVERSION EFFICIENCY; DONOR-ACCEPTOR POLYMERS; HIGHLY EFFICIENT; CONJUGATED POLYMERS; PHOTOVOLTAIC CELLS; SIDE-CHAINS; ORGANIC PHOTOVOLTAICS; CHARGE-TRANSPORT;
D O I：
10.1021/cm500953e
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：
A new family of polythienothiophene-co-benzodithiophene copolymers with different amounts of fluorine decoration (PBFx) had been successfully synthesized. Detailed structure property investigations covering physical properties, morphology, and solar cell performance with respect to the fluorine content in the polymers were performed by a series of structural characterization techniques. A PCE of 8.75% was obtained with the highest fluorinated polymer; the morphological trends, as well as the crystalline structure, were also investigated, shedding light on this important material modification.
引用
收藏
页码：3009 / 3017
页数：9
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