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Structural Studies, Surface Properties, and Photoluminescence Behaviour of Silicon Nanocrystals

Published online by Cambridge University Press:  15 February 2011

J. R. Heath  and
J. M. Jasinski
J. R. Heath
Affiliation:
IBM T.J.Watson Research Labs Yorktown Heights, NY 10598
J. M. Jasinski
Affiliation:
IBM T.J.Watson Research Labs Yorktown Heights, NY 10598
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Abstract

A method for synthesizing crystalline and/or amorphous silicon nanoparticles (3 – 30 nm diameter) is discussed. The photoluminescence (PL) behaviour of these particles is studied as crystallinity, size, surface stoichiometry, and excitation frequency are varied. Orange-red photoluminescence (PL), similar to that reported for “porous silicon,” is observed. The wavelength dependence of this PL is not a function of size, but rather particle crystallinity. A separate PL feature, near 430 nm, is reported. No size dependent effects are observed for this feature.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 256: Symposia AA – Light Emission from Silicon , 1991 , 117
Copyright
Copyright © Materials Research Society 1992

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References

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