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Proceedings Paper

Electron transport in molecularly doped polymers
Author(s): Paul M. Borsenberger; William T. Gruenbaum; Edward H. Magin
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Paper Abstract

Electron mobilities have been measured in a series of acceptor doped polymers over a range of fields and temperatures. The results are described within the framework of a formalism based on disorder, due to Baessler and coworkers. The formalism is premised on the assumption that charge propagation occurs by hopping through a manifold of localized states with superimposed energetic and positional disorder. A key parameter of the formalism is the energy width of the hopping site manifold. The width is in good agreement with predictions of a model based on dipolar disorder recently proposed by Young. The model assumes that the width is determined by a dipolar component due to the dopant molecule and a van der Waals component. These results, in conjunction with literature results for a wide range of donor doped polymers, show that for a given dopant concentration, the van der Waals component is essentially constant and independent of the donor or acceptor molecule. It is suggested that the van der Waals component is largely of geometrical or positional origin.

Paper Details

Date Published: 23 August 1995
PDF: 8 pages
Proc. SPIE 2526, Xerographic Photoreceptors and Photorefractive Polymers, (23 August 1995); doi: 10.1117/12.217321
Show Author Affiliations
Paul M. Borsenberger, Eastman Kodak Co. (United States)
William T. Gruenbaum, Eastman Kodak Co. (United States)
Edward H. Magin, Eastman Kodak Co. (United States)

Published in SPIE Proceedings Vol. 2526:
Xerographic Photoreceptors and Photorefractive Polymers
Stephen Ducharme; Paul M. Borsenberger, Editor(s)

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