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Nanosize Silicon and Gallium Arsenide Particles Left After Stopping Dissolution in Molten Glass

Published online by Cambridge University Press:  15 February 2011

Li-Chi Liu  and
Subhash H. Risbud
Li-Chi Liu
Affiliation:
Department of Mechanical, Aeronautical, and Materials Engineering, University of California, Davis, CA 95616
Subhash H. Risbud
Affiliation:
Department of Mechanical, Aeronautical, and Materials Engineering, University of California, Davis, CA 95616
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Abstract

Powders of pure silicon and gallium arsenide were reacted with molten silicate glass of a composition used in our prior work on CdS and CdTe quantum dots in glass [1–4]. After the Si or GaAs agglomerated particles had reacted with the melt for an hour, the material was solidified to obtain a gray-black glass. Ground powders of this glass were again mixed with additional base glass powders to dilute the concentration of the semiconductor, remelted, and cast into glass. Samples of silicon-in-glass showing green photoluminescence peaked at 530 nm were obtained. The GaAs-in-glass samples show absorption features in the optical spectra which suggest the possibility of quantum confinement.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 272: Symposium O – Chemical Processes in Inorganic Materials: Metal and Semiconductor Clusters , 1992 , 35
Copyright
Copyright © Materials Research Society 1992

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References

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