Synthesis and optical characteristics of ZnO nanocrystals

Zinc oxide nanomaterials with an average particle size of 20–30 nm are readily synthesized by the reaction of zinc acetate and oxalic acid under hydrothermal conditions. The samples are characterized by XRD, SEM, TEM, UV and photoluminescence (PL) studies. The average crystal size of the as prepared...

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Bibliographic Details
Published in:Bulletin of materials science 2009-04, Vol.32 (2), p.165-168
Main Authors: Sridev, D., Rajendran, K. V.
Format: Article
Language:English
Subjects:
Absorption spectra
Chemical synthesis
Chemistry and Materials Science
Engineering
Materials Science
Mineralogy
Nanomaterials
Optical properties
Oxalic acid
Photoluminescence
Zinc acetate
Zinc oxide
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Summary:Zinc oxide nanomaterials with an average particle size of 20–30 nm are readily synthesized by the reaction of zinc acetate and oxalic acid under hydrothermal conditions. The samples are characterized by XRD, SEM, TEM, UV and photoluminescence (PL) studies. The average crystal size of the as prepared ZnO nanopowder is determined by XRD and the values are in good agreement with the TEM analysis. UV absorption spectra revealed the absorption at wavelength < 370 nm indicating the smaller size of ZnO nanoparticles. The quality and purity of ZnO nanomaterial crystalline samples are confirmed by photoluminescence spectra.
ISSN:0250-4707
0973-7669
DOI:10.1007/s12034-009-0025-9