Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 21, Issue 22, Pages 7849-7857Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0jm04433d
Keywords
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Funding
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-SC0001059, DEAC02-06CH11357]
- Division of Chemical Sciences, Office of Basic Energy Sciences, the U.S. Department of Energy [DEAC02-06CH11357]
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Applications of low band gap polymers in solar cells have attracted intense attention due to their energetic overlap with the solar spectrum. Recently, low band gap organic photovoltaic (OPV) materials have shown an unprecedented similar to 8% efficiency in solar cell devices. Although the energetic alignment is crucial in the optimization of these materials, the structural and kinetic effects are also important factors in the overall device performance. Here we focus on the morphology and charge separation kinetics of several energetically similar low band gap materials. Special emphasis will be on two polymers, PF and PTB, in this report.
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