Influence of D/A Ratio on Photovoltaic Performance of a Highly Efficient Polymer Solar Cell System

A new copolymer PIDTDTQx based on indacenodithiophene and quinoxaline is synthesized and characterized. The correlation between the D/A ratio, mobility, and photovoltaic properties, as well as morphology of the D/A blend based on a PIDTDTQx:PC70BM system is investigated. The power conversion efficie...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2012-12, Vol.24 (48), p.6536-6541
Main Authors: Guo, Xia, Zhang, Maojie, Tan, Jiahui, Zhang, Shaoqing, Huo, Lijun, Hu, Wenping, Li, Yongfang, Hou, Jianhui
Format: Article
Language:English
Subjects:
balanced electron and hole mobility
conjugated polymers
Electric Power Supplies
Electrochemical Techniques
Molecular Structure
Photochemical Processes
polymer solar cells
Polymers - chemical synthesis
Polymers - chemistry
Solar Energy
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Summary:A new copolymer PIDTDTQx based on indacenodithiophene and quinoxaline is synthesized and characterized. The correlation between the D/A ratio, mobility, and photovoltaic properties, as well as morphology of the D/A blend based on a PIDTDTQx:PC70BM system is investigated. The power conversion efficiency of the polymer solar cells based on PIDTDTQx/PC70BM (1:4, w/w) reaches 7.51%.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201202719