Size control of ZnO nanostructures formed in different temperature zones by varying Ar flow rate with tunable optical properties

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ZnO nanostructures were synthesized by the vapor transport method. ZnO nanocombs, nanowires and nanorods were formed in a single experiment, in high-, intermediate- and low-temperature zones, respectively. A systematic increase in diameters is observed for all the nanostructures when Ar flow is gradually increased. The diameters of these nanostructures were controlled from few 10's of nanometers to few micrometers. Photoluminescence (PL) properties of as-synthesized nanostructures and effect of heat treatment on optical properties and morphology were investigated. (C) 2008 Elsevier B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2009-01
Language
English
Article Type
Article
Keywords

OXIDE NANOSTRUCTURES; THERMAL EVAPORATION; VAPOR TRANSPORT; NANOWIRES; PHOTOLUMINESCENCE; DEPOSITION; MORPHOLOGY; NANOTUBES; VIOLET; ARRAY

Citation

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES, v.41, pp.500 - 505

ISSN
1386-9477
DOI
10.1016/j.physe.2008.09.012
URI
http://hdl.handle.net/10203/20288
Appears in Collection
MS-Journal Papers(저널논문)
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