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Design and Study of BiVO4/MnCo2O4 Nanocomposites for Visible Light-Driven Antibacterial Applications


Affiliations
1 Department of Chemistry, Faculty of Mathematical and Physical Sciences, M.S. Ramaiah University of Applied Sciences, Bengaluru 560 058, India., India
2 R.V. College of Engineering, Mysore Road, R.V. Vidyaniketan, Post, Benglauru 560 059, India., India
 

In this study, BiVO4 and MnCo2O4 were synthesized successfully using hydrothermal and co-precipitation methods. Nanocomposites of BiVO4/MnCo2O4 of varying composition were made by calcination. All the synthesized compounds were well-characterized using PXRD, SEM, EDS and DRS. Powder XRD analysis confirmed the formation of BiVO4, MnCo2O4 and their respective well-defined composites. The band gaps of the materials were in the visible range (1.16–2.36 eV), making them suitable for visible light-driven antibacterial applications to inactivate the Gram-negative bacterium Escherichia coli. The as-prepared composites exhibited superior antibacterial activity (maximum of ~80%) than the parent compounds, possibly due to the synergistic effect.

Keywords

Antibacterial Applications, Escherichia coli, Nanocomposites, Semiconductor, Synergistic Effect.
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  • Design and Study of BiVO4/MnCo2O4 Nanocomposites for Visible Light-Driven Antibacterial Applications

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Authors

K. N. V. Suguna Sarvani
Department of Chemistry, Faculty of Mathematical and Physical Sciences, M.S. Ramaiah University of Applied Sciences, Bengaluru 560 058, India., India
Lingayya Hiremath
R.V. College of Engineering, Mysore Road, R.V. Vidyaniketan, Post, Benglauru 560 059, India., India
N. Manikanda Prabu
Department of Chemistry, Faculty of Mathematical and Physical Sciences, M.S. Ramaiah University of Applied Sciences, Bengaluru 560 058, India., India

Abstract


In this study, BiVO4 and MnCo2O4 were synthesized successfully using hydrothermal and co-precipitation methods. Nanocomposites of BiVO4/MnCo2O4 of varying composition were made by calcination. All the synthesized compounds were well-characterized using PXRD, SEM, EDS and DRS. Powder XRD analysis confirmed the formation of BiVO4, MnCo2O4 and their respective well-defined composites. The band gaps of the materials were in the visible range (1.16–2.36 eV), making them suitable for visible light-driven antibacterial applications to inactivate the Gram-negative bacterium Escherichia coli. The as-prepared composites exhibited superior antibacterial activity (maximum of ~80%) than the parent compounds, possibly due to the synergistic effect.

Keywords


Antibacterial Applications, Escherichia coli, Nanocomposites, Semiconductor, Synergistic Effect.

References





DOI: https://doi.org/10.18520/cs%2Fv124%2Fi2%2F183-189