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Title | Optical Properties of CuS Nanoparticles Embedded Polyvinyl Alcohol (PVA) Films |
Authors |
Chongad, L.S.
Jain, Amit Mukherjee, G.S. Banerjee, M. |
ORCID | |
Keywords |
PVA CuS nanoparticles optical properties refractive index metallization |
Type | Article |
Date of Issue | 2021 |
URI | https://essuir.sumdu.edu.ua/handle/123456789/82550 |
Publisher | Sumy State University |
License | In Copyright |
Citation | L.S. Chongad, Amit Jain, G.S. Mukherjee, M. Banerjee, J. Nano- Electron. Phys. 13 No 1, 01023 (2021). DOI: https://doi.org/10.21272/jnep.13(1).01023 |
Abstract |
The pristine poly(vinyl alcohol) and CuS nanoparticles with different concentrations (1 %-10 %) doped
PVA films were prepared by solution casting method. The CuS nanoparticles were prepared by chemical
precipitation; and XRD studies confirmed the formation of pure CuS nanoparticles with average size of
18 nm. The optical properties of pristine as well as doped PVA films were evaluated using UV-VIS-NIR
spectroscopy. UV-VIS-NIR spectrum of CuS nanoparticles showed LSPR band in NIR region. The optical
properties like absorption coefficient, bandgaps, high frequency refractive index, and metallization criterion have been evaluated; both the direct and indirect band gaps decreased in case of doped PVA films; and
the results and the features are discussed. |
Appears in Collections: |
Журнал нано- та електронної фізики (Journal of nano- and electronic physics) |
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Chongad_jnep_1_2021.pdf | 976.61 kB | Adobe PDF | 1484457891 |
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