Effect of Heat Treatment on Band Gap of V2O5

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Title	Effect of Heat Treatment on Band Gap of V2O5
Authors	Nathawat, Rashi Kumawat, Ashish K. Rathore, Satyapal S. Mukhopadhyay, Anoop K. Kabra, K.
ORCID
Keywords	vanadium oxide multifunctional band gap tuning microstructure heat treatment
Type	Article
Date of Issue	2021
URI	https://essuir.sumdu.edu.ua/handle/123456789/82600
Publisher	Sumy State University
License	In Copyright
Citation	Rashi Nathawat, Ashish K. Kumawat, et al., J. Nano- Electron. Phys. 13 No 1, 01030 (2021). DOI: https://doi.org/10.21272/jnep.13(1).01030
Abstract	The most stable oxide of the vanadium oxide family is V2O5. A lot of research effort is focused on it because it has a multitude of functional applications. Here we report on how the heat treatment (600°C, 5 h, air) affects the microstructure and hence, the band gap of V2O5. The V2O5 powders, initially obtained by simple thermal dissociation (500 °C, 3 h, air) of ammonium metavanadate, followed by heat treatment of pellets; were studied. The structural and optical studies performed using X-ray diffraction (XRD), FESEM and UV-Vis techniques, provide uniquely interesting results which indicate the possibility of band gap tuning by controlling the microstructure.
Appears in Collections:	Журнал нано- та електронної фізики (Journal of nano- and electronic physics)