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Characterization of Silicon Nanoparticles Prepared from Porous Silicon

Published online by Cambridge University Press:  15 February 2011

Richard A. Bley ,
Susan M. Kauzlarich ,
Howard W. H. Lee  and
Jeffrey E. Davis
Richard A. Bley
Affiliation:
Department of Chemistry, University of California, Davis, CA 95616
Susan M. Kauzlarich
Affiliation:
Department of Chemistry, University of California, Davis, CA 95616
Howard W. H. Lee
Affiliation:
Lawrence Livermore National Laboratory, Livermore, CA 94550
Jeffrey E. Davis
Affiliation:
Department of Applied Science, University of California, Davis, CA 95616
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Abstract

Nanometer sized silicon particles have been produced by ultrasonic dispersion of thin sections of porous silicon in organic solvents. High resolution TEM and FTIR have been used to establish the size range and surface structure/composition of these particles. The larger particles, which range in size from 20 to 50 nm, are made up of a conglomeration of smaller particles with a diameter of a few nanometers. The HRTEM shows an amorphous layer on the surface of many of the clusters. FTIR data suggest this amorphous layer is silicon-dioxide which may also have organic constituents.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 351: Symposium V – Molecularly Designed Ultrafine/Nanostructured Materials , 1994 , 275
Copyright
Copyright © Materials Research Society 1994

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References

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