Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/16431
Title: Electron spin resonance and DC electrical investigations on chlorine doped polyanilines
Authors: Mircea, C
Aldica, GH
Hui, D
Dimonie, M
Lau, KT 
Georgescu, L
Munteanu, I
Marascoiu, H
Keywords: DC electrical conductivity
Doping
Electron spin resonance
Polyaniline
Variable range hopping
Issue Date: 2004
Publisher: Natl Inst Optoelectronics
Source: Journal of Optoelectronics and Advanced Materials, 2004, v. 6, no. 1, p. 297-305 How to cite?
Journal: Journal of Optoelectronics and Advanced Materials 
Abstract: Electron spin resonance and DC electrical investigations on the effect of chlorine doping on emeraldine base polyaniline are reported. From the experimental data it is concluded that the chlorine doping of polyanilines increases the conductivity and that the charge transport is well described by an one dimensional variable range hopping, up to a doping level of 15% Cl/N. The characteristic temperature rises as the doping level is increased. Electron spin resonance investigations revealed the contribution of polarons to the charge transport. The absence of high spin bipolarons was proved by electron spin resonance data within the experimental errors. At high doping levels, the mesoscopic nature of charge transport in polyanilines is confirmed by the Dysonian shape of the resonance lines.
URI: http://hdl.handle.net/10397/16431
ISSN: 1454-4164
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