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An Easy and Effective Method to Modulate Molecular Energy Level of the Polymer Based on Benzodithiophene for the Application in Polymer Solar Cells
Author(s) -
Zhang Maojie,
Guo Xia,
Ma Wei,
Zhang Shaoqing,
Huo Lijun,
Ade Harald,
Hou Jianhui
Publication year - 2014
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.201304631
Subject(s) - materials science , polymer , polymer science , polymer chemistry , nanotechnology , chemical engineering , composite material , engineering
Attaching meta‐alkoxy‐phenyl groups as conjugated side chains is an easy and effective way to modulate the molecular energy level of D‐A polymer for photovoltaic application, and the polymer solar cells based on the polymer consisting meta‐alkoxy‐phenyl groups as conjugated side chain, PBT‐OP , shows an enhanced open circuit voltage and thus higher efficiency of 7.50%, under the illumination of AM 1.5G, 100 mW/cm 2 .