Electrodeposited copper bismuth oxide as a low-cost, non-enzymatic electrochemical sensor for sensitive detection of uric acid and hydrogen peroxide

Sinha, Gudipati Neeraja and Subramanyam, Palyam and Sivaramakrishna, Vanjari and Subrahmanyam, Challapalli (2021) Electrodeposited copper bismuth oxide as a low-cost, non-enzymatic electrochemical sensor for sensitive detection of uric acid and hydrogen peroxide. Inorganic Chemistry Communications, 129. p. 108627. ISSN 13877003

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Abstract

We report for the first-time copper bismuth oxide (CuBi2O4) as an electrochemical sensor for the oxidation of uric acid and reduction of hydrogen peroxide. CuBi2O4 films are prepared on FTO via electrodeposition and used as a working electrode. Structural and morphological studies of CuBi2O4 were done by field emission scanning electron microscopy (FESEM), X-ray diffraction (XRD), X-ray photoelectron microscopy, tunneling electron microscopy (TEM). Electrochemical studies were performed using cyclic voltammetry (CV), chronoamperometry with CuBi2O4 electrode for the detection of uric acid (UA) and hydrogen peroxide (HP). High sensitivities of 206.7 and 280.6 μA mΜ-1 cm−2 were achieved for the detection of UA and HP. Therefore, CuBi2O4 can be a potential candidate to explore for sensing applications.

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IITH Creators:
IITH CreatorsORCiD
Subrahmanyam, ChallapalliUNSPECIFIED
Item Type: Article
Uncontrolled Keywords: Copper bismuth oxide; Electrochemical sensor; Hydrogen peroxide; Non-enzymatic; Uric acid;
Subjects: Chemistry > Electrochemistry
Chemistry
Chemistry > Organic chemistry
Divisions: Department of Chemistry
Depositing User: . LibTrainee 2021
Date Deposited: 17 Jun 2021 06:56
Last Modified: 17 Jun 2021 06:56
URI: http://raiithold.iith.ac.in/id/eprint/7926
Publisher URL: http://doi.org/10.1016/j.inoche.2021.108627
OA policy: https://v2.sherpa.ac.uk/id/publication/12826
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