期刊
SYNTHETIC METALS
卷 161, 期 7-8, 页码 632-636出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.synthmet.2010.11.049
关键词
Organic semiconductors; Magnetic field effect; Spin-boson theory; Triplet excitons
The discovery of magnetic field effects (MFEs) in organic light-emitting devices poses a new challenge for the theoretical studies. Based on the spin-boson theory of magnetotransport that we proposed recently, this article considers various contributions to the MFE. The role of triplet exciton, as an irreducible gradient of the environment in magnetotransport, is discussed extensively. Possible effect of the current caused by secondary charge on the MFE is taken into account to discuss the relation between magnetoresistance and magnetoelectroluminescence. Further experimental correspondence is also discussed. (C) 2010 Elsevier B.V. All rights reserved.
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