Growth of Large Quantity ZnO Nanowires and their Optical Properties

Abstract:

Zinc oxide (ZnO) nanowires were grown on Si substrates by a simple vapor transport method of heating the mixture of ZnO and carbon powders at 1100 °C in a tube of the furnace. The obtained large-quantity cotton-like product has indicated to be the high density of ZnO nanowires with diameters ranging from 50 to 250 nm. Low-temperature photoluminescence spectrum for ZnO nanowires shows sharp near band-edge emissions. The free exciton-polariton emissions were observed at ~3.376 eV.

• Periodical: Key Engineering Materials (Volume 596)
• Pages: 121-125
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.596.121
• Online since: December 2013
• Authors: Shunji Ozaki, Kouichi Morozumi
• Keywords: Free Exciton, Nanowire, Photoluminescence (PL), Polariton, Vapor Transport Method, ZNO

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