Drift Mobility of Electrons in Pyrazoline-Containing Copolymers |
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| Authors: | Tameev A. R. He Z. Milburn G. H. W. Danel A. Tomasik P. Vannikov A. V. |
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| Affiliation: | (1) Frumkin Institute of Electrochemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119071, Russia;(2) Institute of Optoelectronic Technology, Beijing Jiaotong University, 100044, China;(3) Napier University, Colinton Road 10, Edinburgh, EH10 5DT, UK;(4) Chemical Department, University of Agriculture, Krakow, 31129, Poland |
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| Abstract: | Drift mobility of electrons in copolymers containing pyrazolyl fragment in the main or side chain of the copolymer is studied experimentally using the time-of-flight method. The mobility is an exponential function of the applied electric field, and its values for the copolymers range from 5 × 10–7 to 2 × 10–5 cm2 V–1 s–1 at the field strength ranging from 5 × 104 to 1 × 106 V cm–1. Based on the measured mobilities and the molecule parameters, which were obtained by a PM3 quantum-chemical calculation, the role of copolymer fragments in the transport of charge carriers is discussed. |
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| Keywords: | mobility of electrons thin polymer film |
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