TITLE

Lasing in ZnS nanowires grown on anodic aluminum oxide templates

AUTHOR(S)
Ding, J. X.; Zapien, J. A.; Chen, W. W.; Lifshitz, Y.; Lee, S. T.; Meng, X. M.
PUB. DATE
September 2004
SOURCE
Applied Physics Letters;9/20/2004, Vol. 85 Issue 12, p2361
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
High-density and uniform-sized gold particle arrays have been prepared electrochemically on anodic aluminum oxide (AAO) templates. The gold particles were used as catalysts to synthesize ZnS nanowires. The as-grown nanowires had a wurtzite single-crystal structure and were aligned perpendicularly to the AAO template. Under high-power density optical excitation s266 nmd, the nanowire array showed an intense, narrow [full width at half maximum (FWHM) of 2.2 nm] photoluminescent peak at 338 nm composed of a superposition of optical resonant modes (FWHM ∼0.3 nm) resulting from the collective emission of a large number of nanowires. These results indicate that the ZnS nanowires act as optical waveguide resonators.
ACCESSION #
14546665

 

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