期刊
ADVANCED MATERIALS
卷 24, 期 11, 页码 1455-1460出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201104509
关键词
organic photovoltaics; ferroelectrics; dipole; open circuit voltage
类别
资金
- Defense Threat Reduction Agency [HDTRA1-10-1-0098]
- National Science Foundation MRSEC
- Nebraska Research Initiative
- U.S. Department of Energy [DE-SC0004530]
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [1201384] Funding Source: National Science Foundation
- U.S. Department of Energy (DOE) [DE-SC0004530] Funding Source: U.S. Department of Energy (DOE)
Ultrathin ferroelectric polyvinylidene fluoride (70%)-tetrafluoroethylene (30%) copolymer film is inserted between the poly3(hexylthiophene) (P3HT) donor and [ 6,6]-phenyl-C61-butyric acid methylester (PCBM) acceptor layers as the dipole layer to tune the relative energy levels, which can potentially maximize the open circuit voltage of bilayer organic solar cells. In this work, the power conversion efficiency of P3HT/PCBM bilayer solar cells is demonstrated to be doubled with the inserted dipoles.
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