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Time-resolved Photoconductivity as a Probe of Carrier Transport in Microcrystalline Silicon

Published online by Cambridge University Press:  01 February 2011

Steve Reynolds
Steve Reynolds*
Affiliation:
s.reynolds@fz-juelich.de, Forschungszentrum Juelich, Institute of Photovoltaics, Leo Brandt Str., Juelich, NRW, D-52425, Germany
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Abstract

The use of transient photoconductivity techniques in the investigation of carrier transport in microcrystalline silicon is described. Results are presented which highlight variations in transport parameters such as carrier mobility and density of states with structure composition. Hole mobility is significantly enhanced by crystalline content in the film of 10% or less. The density of states inferred from transport measurements parallel to and at right angles to the direction of film growth differ somewhat, suggesting that transport may be anisotropic.

Keywords

Siphotoconductivitymicrostructure
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 910: Symposium A – Amorphous and Polycrystalline Thin-Film Silicon Science and Technology – 2006 , 2006 , 0910-A01-01
Copyright
Copyright © Materials Research Society 2006

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