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Hydrothermally synthesized nickel cobalt oxide for bifunctional electrochemical supercapacitor and nonenzymatic glucose biosensor

Authors
Pore, O. C.Fulari, A. V.Fulari, V. J.Lohar, G. M.
Issue Date
Jan-2023
Publisher
Springer-Verlag GmbH Germany
Keywords
Hydrothermal; Nickel cobalt oxide; Supercapacitor; Nonenzymatic glucose sensing
Citation
Applied Physics A: Materials Science & Processing, v.129, no.1
Indexed
SCIE
SCOPUS
Journal Title
Applied Physics A: Materials Science & Processing
Volume
129
Number
1
URI
https://scholarworks.dongguk.edu/handle/sw.dongguk/24649
DOI
10.1007/s00339-022-06312-3
ISSN
0947-8396
1432-0630
Abstract
Herein, various nickel cobalt oxide nanostructures with different Ni concentrations are prepared via a hydrothermal route followed by annealing process for an electrochemical supercapacitor as well as a nonenzymatic glucose biosensor. The electrode synthesized on carbon cloth using Ni0.9Co2.1O4 nanosheet-like morphology showed a maximum 516.51 F g(-1) specific capacitance at 10 mV s(-1) scan rate and the cyclic stability of 87.7% over 2000 GCD cycles. The electrode prepared with Ni0.3Co2.7O4 on CC offered a linear response from 0 to 0.3 mM glucose concentration and exhibited a maximum of 759.5 mu A mM(-1) cm(-2) glucose sensitivity.
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