Article of
Polymers 2016, 8(3), 87.
Charge Transport in LDPE Nanocomposites Part II—Computational Approach
Division of High Voltage Engineering, Department of Materials and Manufacturing Technology, Chalmers University of Technology, Gothenburg SE-41296, Sweden
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Academic Editor: Frank Wiesbrock
Polymers 2016, 8(4), 103; https://doi.org/10.3390/polym8040103
Received: 28 January 2016 / Revised: 9 March 2016 / Accepted: 16 March 2016 / Published: 23 March 2016
(This article belongs to the Special Issue Nano- and Microcomposites for Electrical Engineering Applications)
A bipolar charge transport model is employed to investigate the remarkable reduction in dc conductivity of low-density polyethylene (LDPE) based material filled with uncoated nanofillers (reported in the first part of this work). The effect of temperature on charge transport is considered and the model outcomes are compared with measured conduction currents. The simulations reveal that the contribution of charge carrier recombination to the total transport process becomes more significant at elevated temperatures. Among the effects caused by the presence of nanoparticles, a reduced charge injection at electrodes has been found as the most essential one. Possible mechanisms for charge injection at different temperatures are therefore discussed.
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Keywords:
low-density polyethylene; nanocomposites; charge transport; dc conductivity; charge injection; trapping; de-trapping; charge carrier mobility
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
MDPI and ACS Style
Hoang, A.T.; Serdyuk, Y.V.; Gubanski, S.M. Charge Transport in LDPE Nanocomposites Part II—Computational Approach. Polymers 2016, 8, 103. https://doi.org/10.3390/polym8040103
AMA Style
Hoang AT, Serdyuk YV, Gubanski SM. Charge Transport in LDPE Nanocomposites Part II—Computational Approach. Polymers. 2016; 8(4):103. https://doi.org/10.3390/polym8040103
Chicago/Turabian StyleHoang, Anh T.; Serdyuk, Yuriy V.; Gubanski, Stanislaw M. 2016. "Charge Transport in LDPE Nanocomposites Part II—Computational Approach" Polymers 8, no. 4: 103. https://doi.org/10.3390/polym8040103
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