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Title Synthesis And Characterization Of ZnO Nanoparticles
Authors Singh, N.
Mehra, R.M.
Kapoo, A.
Keywords ZnO
synthesis
nanoparticles
Type Article
Date of Issue 2011
URI http://essuir.sumdu.edu.ua/handle/123456789/9529
Publisher Sumy State University Publishing
License
Citation N. Singh, R.M. Mehra, A. Kapoor, J. Nano- Electron. Phys. 3 No1, 132 (2011)
Abstract In this paper, we report the comparison between ZnO nanoparticles prepared via two different routes; i) via sol-gel route and ii) by solid state reaction method. It was found that when prepared under the same ambient conditions viz temperature, pressure etc. and keeping all the parameters same viz precursors, molarity, solvent etc; the nanoparticles prepared via Sol-gel route were highly crystalline and had smaller crystallite size (~ 24 nm) as compared to the one prepared by Solid state reaction method (~ 37 nm). The crystallinity and the crystallite size were examined by XRD and TEM. Variation in the bandgap as a function of size of the particles was determined using the absorption spectra obtained by UV-Vis-NIR spectrophotometer. Photoluminescence (PL) was also recorded in the visible region for the two types of particles and results have been analysed. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/9529
Appears in Collections: Журнал нано- та електронної фізики (Journal of nano- and electronic physics)

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