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The Novel Synthesis of Silicon and Germanium Nanocrystallites

Published online by Cambridge University Press:  17 March 2011

Susan M. Kauzlarich ,
Qi Liu ,
Shih-Chieh Yin ,
Howard W. H. Lee  and
Boyd Taylor
Susan M. Kauzlarich
Affiliation:
Department of Chemistry University of California at Davis One Shields Ave Davis, CA 95616, U.S.A
Qi Liu
Affiliation:
Department of Chemistry University of California at Davis One Shields Ave Davis, CA 95616, U.S.A
Shih-Chieh Yin
Affiliation:
Department of Chemistry University of California at Davis One Shields Ave Davis, CA 95616, U.S.A
Howard W. H. Lee
Affiliation:
Lawrence Livermore National Laboratory P. O. Box 808 Mail Stop L-174 Livermore, CA 94551
Boyd Taylor
Affiliation:
Lawrence Livermore National Laboratory P. O. Box 808 Mail Stop L-174 Livermore, CA 94551
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Abstract

Interest in the synthesis of semiconductor nanoparticles has been generated by their unusual optical and electronic properties arising from quantum confinement effects. We have synthesized silicon and germanium nanoclusters by reacting Zintl phase precursors with either silicon or germanium tetrachloride in various solvents. Strategies have been investigated to stabilize the surface, including reactions with RLi and MgBrR (R = alkyl). This synthetic method produces group IV nanocrystals with passivated surfaces. These nanoparticle emit over a very large range in the visible region. These particles have been characterized using HRTEM, FTIR, UV-Vis, solid state NMR, and fluorescence. The synthesis and characterization of these nanoclusters will be presented.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 638: Symposium F – Microcrystaline & Nanocrystalline Semiconductors-2000 , 2000 , F6.5.1
Copyright
Copyright © Materials Research Society 2001

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