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Charge Transport in LDPE Nanocomposites Part II—Computational Approach

Anh Hoang (Institutionen för material- och tillverkningsteknik, Högspänningsteknik) ; Yuriy Serdyuk (Institutionen för material- och tillverkningsteknik, Högspänningsteknik) ; Stanislaw Gubanski (Institutionen för material- och tillverkningsteknik, Högspänningsteknik)
Polymers (2073-4360). Vol. 8 (2016), 4, p. 103:1-103:16.
[Artikel, refereegranskad vetenskaplig]

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.

Nyckelord: low-density polyethylene; nanocomposites; charge transport; dc conductivity; charge injection; trapping; de-trapping; charge carrier mobility



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Denna post skapades 2016-03-24. Senast ändrad 2016-07-04.
CPL Pubid: 233697

 

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