Impedance spectroscopy study of the AC conductivity of sodium superoxide nanoparticles doped vanadate based glasses

[Display omitted] In the present work, we successfully prepared sodium superoxide (NaO2) doped vanadium phosphate borate glasses using normal melt quenching technique of composition 60V2O5–5P2O5–(35-x) B2O3–xNaO2, x  = 0, 10, 15 and 20 mol %. The foremost objective of this work is to explore the tra...

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Bibliographic Details
Published in:Materials science for energy technologies 2021, Vol.4, p.202-207
Main Authors: Barde, R.V., Nemade, K.R., Waghuley, S.A.
Format: Article
Language:English
Subjects:
Electrical conductivity
Hopping distance
Impedance spectroscopy
Nyquist plots
Sodium superoxide
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Summary:[Display omitted] In the present work, we successfully prepared sodium superoxide (NaO2) doped vanadium phosphate borate glasses using normal melt quenching technique of composition 60V2O5–5P2O5–(35-x) B2O3–xNaO2, x  = 0, 10, 15 and 20 mol %. The foremost objective of this work is to explore the transport properties of sodium superoxide doped vanadium phosphate borate glasses. The impedance spectroscopy was employed to investigate transport properties of all glass systems under study. The AC conductivity for all glass systems were investigated in temperature range 308–473 K. The Jonscher's power law found to be fit with conductivity data, which decrease with temperature and satisfies the criteria of the correlated hopping model. The activation energy (Ea) estimated from the Arrhenius plot and it is observed to be 0.12 eV.
ISSN:2589-2991
2589-2991
DOI:10.1016/j.mset.2021.06.004