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Proceedings Paper

Photonics of silicon nanocrystals
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Paper Abstract

Photoluminescent water-soluble silicon nanocrystals were synthesized using solution-phase wet chemistry techniques. Adjustment of the mean size and size distribution was achieved by adjusting the rate of addition of the hydride reducing agent. When the reducing agent was added slowly the mean size of the silicon nanocrystals was 1.4nm with a monodisperse size distribution. However, when the reducing agent was added rapidly the size distribution enlarged and concomitantly the mean sized also increased. The photoluminescence and photoluminescence excitation spectra from the monodisperse sample show narrower features when compared to the solution with the large size distribution. This provides direct evidence for size dependant effects on the photoluminescence of silicon nanocrystals.

Paper Details

Date Published: 18 January 2006
PDF: 7 pages
Proc. SPIE 6038, Photonics: Design, Technology, and Packaging II, 603815 (18 January 2006); doi: 10.1117/12.639524
Show Author Affiliations
Jamie H. Warner, Victoria Univ. of Wellington (New Zealand)
Richard D. Tilley, Victoria Univ. of Wellington (New Zealand)


Published in SPIE Proceedings Vol. 6038:
Photonics: Design, Technology, and Packaging II
Derek Abbott; Yuri S. Kivshar; Halina H. Rubinsztein-Dunlop; Shanhui Fan, Editor(s)

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