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Title | Synthesis of Nanostructured Tin Oxide (SnO2) Powders and Thin Films Prepared by Sol-Gel Method |
Authors |
Bhagwat, A.D.
Sawant, S.S. Ankamwar, B.G. Mahajan, C.M. |
ORCID | |
Keywords |
Bandgap Metal oxide Tin oxide nanocrystallites Sol-gel |
Type | Article |
Date of Issue | 2015 |
URI | http://essuir.sumdu.edu.ua/handle/123456789/43241 |
Publisher | Sumy State University |
License | Copyright not evaluated |
Citation | Bhagwat, A.D. Synthesis of Nanostructured Tin Oxide (SnO2) Powders and Thin Films Prepared by Sol-Gel Method [Текст] / A.D. Bhagwat, S.S. Sawant, B.G. Ankamwar et al. // Журнал нано- та електронної фізики. — 2015. — Т.7, №4. — 04037-1. |
Abstract |
Nanocrystalline SnO2 powder was successfully prepared by using simple sol-gel technique. The sol-gel
obtained was washed and calcinated at 400 C to obtain the SnO2 nano-powder. The structural property of
(SnO2) nanocrystalline powder was investigated by using X-ray diffraction (XRD) technique. The optical
properties were studied using Uv-Vis Spectroscopy, by recording the absorbance and transmittance spectra.
The XRD pattern of the as-prepared sample demonstrated the formation of a rutile structure of SnO2
nanocrystallites. The Scanning Electron Microscopic (SEM) analysis showed a homogeneous distribution of
quite small grains over scanned area. The Uv-Vis absorbance spectra also showed a characteristic peak of
absorbance at 312 nm corresponding to SnO2. The energy band gap measurement for nanocrystalline
SnO2 thin film was done from the graph of variation of (hν)2 versus hν. The measured value of optical
bandgap energies for SnO2 thin film is 3.78 eV. The results show that the transmittance of the synthesized
SnO2 film is 78 % in the spectral range 350 nm to 800 nm. |
Appears in Collections: |
Журнал нано- та електронної фізики (Journal of nano- and electronic physics) |
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jnep_2015_V7_04037.pdf | 589.04 kB | Adobe PDF | 634381785 |
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