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- Title
MnO<sub>2</sub> and CuBi<sub>2</sub>O<sub>4</sub> hybrid microstructures for efficient nonenzymatic hydroxylamine detection.
- Authors
Gudipati, Neeraja Sinha; Ramesh, Asha; Vanjari, Sivaramakrishna; Duvvuri, Suryakala; Challapalli, Subrahmanyam
- Abstract
In this report, CuBi2O4 and CuBi2O4/MnO2 are synthesized using coprecipitation and hydrothermal methods, respectively. CuBi2O4/MnO2 has been extensively used for the electrochemical detection of hydroxylamine. CuBi2O4 and CuBi2O4/MnO2 are well characterized by XRD, XPS, and FESEM to reveal the structural and morphological features of the material. Electrochemical measurements like CV, chronoamperometry, and impedance are studied to reveal the electrochemical behavior of CuBi2O4/MnO2 towards hydroxylamine. Stability, reproducibility, and interference studies are performed to reveal the suitability of CuBi2O4/MnO2 as an electrode material for the electrochemical detection of hydroxylamine. CuBi2O4 and CuBi2O4/MnO2 are synthesized using coprecipitation and hydrothermal methods, respectively, and tested for the electrochemical detection of hydroxylamine. CuBi2O4/MnO2 exhibited a high sensitivity of 488 μA mM−1 cm−2 with a limit of detection 0.86 μM, revealing its ability to display good electrochemical activity towards hydroxylamine.
- Subjects
HYDROXYLAMINE; X-ray diffraction; ELECTROCHEMICAL electrodes; DETECTION limit; MICROSTRUCTURE; HYDROXAMIC acids
- Publication
Journal of Chemical Sciences, 2023, Vol 135, Issue 4, p1
- ISSN
0974-3626
- Publication type
Article
- DOI
10.1007/s12039-023-02221-x