Photocatalytic performance of Ba₀.₈Ca₀.₂TiO₃ composite for norfloxacin removal in aqueous solutions

Raj MOHANTY; Swayam Aryam  BEHERA; Asima SUBHADARSHINI; Binita NANDA; P. G. R.  ACHARY

doi:10.55713/jmmm.v35i3.2294

Authors

Raj MOHANTY Department of Chemistry, Faculty of Engineering and Technology (ITER), Siksha ‘O’ Anusandhan (Deemed to be University), Bhubaneswar, India
Swayam Aryam BEHERA Department of Chemistry, Faculty of Engineering and Technology (ITER), Siksha ‘O’ Anusandhan (Deemed to be University), Bhubaneswar, India https://orcid.org/0000-0003-2996-0403
Asima SUBHADARSHINI Department of Environmental Science (Chemistry), Faculty of Engineering and Technology (ITER), Siksha ‘O’ Anusandhan (Deemed to be University), Bhubaneswar, India
Binita NANDA Department of Chemistry, Faculty of Engineering and Technology (ITER), Siksha ‘O’ Anusandhan (Deemed to be University), Bhubaneswar, India
P. Ganga Raju ACHARY Department of Chemistry, Siksha O Anusandhan University, Bhubaneswar-751030, India

DOI:

https://doi.org/10.55713/jmmm.v35i3.2294

Keywords:

Norfloxacin, Photodegradation, Perovskite, Environmental remediation, Light absorption

Abstract

This study investigates the degradation of norfloxacin using a Ba_0.8Ca_0.2TiO₃ (BCTO) perovskite composite synthesized via a simple solid-state method. Variety of characterization techniques, including photoluminescence spectra, powder X-Ray Diffraction, UV-Vis Diffuse Reflectance Spectra, FE-SEM and Fourier-Transform Infrared spectra confirm the structural and optical properties of BCTO. Electrical characterization further elucidates its conductive properties. The BCTO composite demonstrates an impressive 87% degradation rate of norfloxacin, attributed to its reduced electron-hole recombination, enhanced light harvestation, and improved charge carrier mobility. Kinetic studies indicate that the degradation process adheres to a pseudo-first-order model, with BCTO outperforming both pure BaTiO₃ and conventional photocatalysts. These findings highlight the potential of BCTO as an effective material for environmental remediation, specifically for degrading persistent pharmaceutical contaminants like norfloxacin.

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Author Biography

Swayam Aryam BEHERA, Department of Chemistry, Faculty of Engineering and Technology (ITER), Siksha ‘O’ Anusandhan (Deemed to be University), Bhubaneswar, India

Ph.D. Research Scholar, Department of Chemistry, Faculty of Engineering and Technology (ITER), Siksha ‘O’ Anusandhan (Deemed to be University), Bhubaneswar, India

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