The morphological dependence of charge transport in a soluble luminescent conjugated polymer
Tan, Czek Haan and Inigo, AR and Fann, Wunshain and Wei, Pei-Kuen and Perng, Gung-Yeong and Chen, Shaw-An (2002) The morphological dependence of charge transport in a soluble luminescent conjugated polymer. Organic Electronics, 3 (2). pp. 81-88. ISSN 1566-1199 (https://doi.org/10.1016/S1566-1199(02)00037-X)
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Charge transport in poly[2-methoxy-5-(2'-ethyl-hexyloxy)-1,4-phenylene vinylene] is studied by employing the time-of-flight technique. Film morphology plays a key role in determining the charge transport properties. Samples prepared from toluene feature non-dispersive transport. However, after thermal annealing, charge transport is no longer nondispersive and hole mobility drops for about one order of magnitude. Near-field scanning optical microscope images show that annealing enhanced film inhomogeneity. We propose that the inhomogeneity is responsible for the changes in the transport properties.
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Item type: Article ID code: 44406 Dates: DateEventJune 2002PublishedSubjects: Science > Chemistry Department: Faculty of Science > Pure and Applied Chemistry Depositing user: Pure Administrator Date deposited: 31 Jul 2013 10:48 Last modified: 08 Apr 2024 20:38 URI: https://strathprints.strath.ac.uk/id/eprint/44406