TITLE

Production of size-controlled Si nanocrystals using self-organized optical near-field chemical etching

AUTHOR(S)
Yatsui, Takashi; Ohtsu, Motoichi
PUB. DATE
July 2009
SOURCE
Applied Physics Letters;7/27/2009, Vol. 95 Issue 4, p043104
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We demonstrate the selective photochemical etching of Si in a self-organized manner, which strongly depends on the distribution of the optical near field. This dependence was described by the virtual exciton-phonon-polariton model. The photoluminescence (PL) spectra from the etched Si exhibited a blueshifted PL peak at 1.8 eV, corresponding to Si nanocrystals of 2.8 nm diameter.
ACCESSION #
43494230

 

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