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Efficient Polymer Solar Cells Based on Benzothiadiazole and Alkylphenyl Substituted Benzodithiophene with a Power Conversion Efficiency over 8%
Author(s) -
Zhang Maojie,
Gu Yu,
Guo Xia,
Liu Feng,
Zhang Shaoqing,
Huo Lijun,
Russell Thomas P.,
Hou Jianhui
Publication year - 2013
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201301494
Subject(s) - copolymer , materials science , energy conversion efficiency , polymer , service (business) , power (physics) , optoelectronics , thermodynamics , physics , composite material , economy , economics
A new copolymer PBDTP‐DTBT based on benzothiadiazole and alkylphenyl substituted benzodithiophene is synthesized and characterized. The correlation of the evolution of the morphology and photovoltaic performance is investigated. The power conversion efficiency of the polymer solar cells based on PBDTP‐DTBT/PC 71 BM (1:1.5, w/w) reaches up to 8.07%, under the irradiation of AM 1.5G, 100 mW/cm 2 .