The Novel Synthesis of Silicon and Germanium Nanocrystallites

Kauzlarich, S M; Liu, Q; Yin, S C; Lee, W H; Taylor, B

doi:10.1557/PROC-638-F6.5.1

The Novel Synthesis of Silicon and Germanium Nanocrystallites

Conference · Tue Apr 03 04:00:00 EDT 2001

DOI:https://doi.org/10.1557/PROC-638-F6.5.1· OSTI ID:15005441

Kauzlarich, S M; Liu, Q; Yin, S C; Lee, W H; Taylor, B

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.

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Research Organization:: Lawrence Livermore National Lab., CA (US)

Sponsoring Organization:: US Department of Energy (US)

DOE Contract Number:: W-7405-ENG-48

OSTI ID:: 15005441

Report Number(s):: UCRL-JC-143296

Country of Publication:: United States

Language:: English

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37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
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The Novel Synthesis of Silicon and Germanium Nanocrystallites

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