期刊
ADVANCED MATERIALS
卷 24, 期 46, 页码 6169-6174出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201202397
关键词
organic semiconductors; photovoltaics; singlet fission; magnetic fields; charge transfer state
类别
资金
- Center for Excitonics, an Energy Frontier Research Center
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-SC0001088]
Triplet exciton dissociation in singlet exciton fission devices with three classes of acceptors are characterized: fullerenes, perylene diimides, and PbS and PbSe colloidal nanocrystals. Using photocurrent spectroscopy and a magnetic field probe it is found that colloidal PbSe nanocrystals are the most promising acceptors, capable of efficient triplet exciton dissociation and long wavelength absorption.
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