NDLI: The influence of dipolar species on charge carrier transport in a linear polysilicon

Content Provider	IEEE Xplore Digital Library
Author	Nespurek, S. Sworakowski, J. Kadashchuk, A.
Copyright Year	1994
Abstract	Effect of polar substituents and polar dopants on the transport of charge carriers in poly[methyl(phenyl)silanediyl] (PMPSI) was studied. The transport in undoped PMPSI can be explained within the theory of disordered polarons which postulates that the temperature and field dependence of the charge carrier mobility contain contributions both from the dynamic disorder, i.e. the polaron barrier, and from the environment-dependent static disorder. Polar moieties, chemically attached to the main polymer chain, give rise to a decrease of the on-chain mobility, due to the formation of local electronic polarization states. On the macroscopic level, these moieties and polar dopants give rise to a decrease of the drift (hopping) mobility due to a broadening of the distribution of the density of transport states as a consequence of the electrostatic interaction of the charge carrier with the dipole.
Sponsorship	National Natural Science Foundation of China (NSFC) Region Centre Ville de Tours Conseil General D'Indre et Loire ABB IEEE Sandia National Laboratories TOSHIBA
Starting Page	432
Ending Page	441
Page Count	10
File Size	1040019
File Format	PDF
ISSN	10709878
Volume Number	8
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Charge carriers Chemicals Additives Charge carrier mobility Polymers Polarization Chemistry Temperature dependence Electrostatics Doping
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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