期刊
CHEMICAL PHYSICS LETTERS
卷 378, 期 3-4, 页码 380-387出版社
ELSEVIER
DOI: 10.1016/j.cplett.2003.07.010
关键词
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Magnetic fields were found to increase photoconduction in tris-(8-hydroxyquinolinato) aluminum (III) (Alq(3)) by up to 6% at about 100 mT. The effect was found either to saturate or to decrease as magnetic field increased and revealed a non-monotonic evolution with applied voltage. These observations are explained in terms of a hyperfine scale magnetic-field-dependent mixing of singlet and triplet electron-hole pair states formed prior to the separation of charge carriers, taking into account a statistical distribution of the inter-carrier distance in the charge pairs. (C) 2003 Elsevier B.V. All rights reserved.
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