Abstract
In the present study, SrTiO3 (strontium titanate) photocatalyst was prepared through the hydrothermal process for photodegradation of aniline blue (AB) and azithromycin (AZM). The as-synthesized material was characterized with X-ray diffraction test (XRD), transmission electron microscope (TEM), Fourier transform infrared spectroscopy (FTIR) and UV–Diffuse reflectance spectroscopy (UV–DRS). The SrTiO3 was found to be rod shaped with irregular surface possessing compatible bandgap for study under ultraviolet irradiation. Photocatalysis of AB and AZM were carried under UV irradiation and maximum degradation of more than 95% was observed for both AB after 90 min and AZM after 4 h, respectively. The high-performance liquid chromatography (HPLC) was used to monitor the concentration of AZM, whereas spectroscopic method for AB. The photocatalysis followed pseudo-first-order reaction kinetics and the plausible degradation mechanism was put forth based on radical trap** experiment. Overall, this work demonstrates an efficient and simple method of detoxification of AB and AZM from water samples. Thus, as-synthesized material is anticipated to be a promising photocatalyst for the remediation of dye and antibiotic-contaminated water.
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Authors would like to extend their gratitude to the JSS Academy of Higher Education and Research, Mysuru, India, for their unwavering support in providing necessary facilities.
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TT: Laboratory experimentations, analysis of characterization results, result analysis and manuscript writing. SRY: Laboratory experimentations, analysis of characterization results, result analysis and manuscript writing. KMA: Data analysis, result interpretation and manuscript draft corrections. HPS: directed and conceptualized the study and finally proofread the manuscript.
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Tenzin, T., Yashas, S.R., Anilkumar, K.M. et al. UV–LED driven photodegradation of organic dye and antibiotic using strontium titanate nanostructures. J Mater Sci: Mater Electron 32, 21093–21105 (2021). https://doi.org/10.1007/s10854-021-06609-8
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DOI: https://doi.org/10.1007/s10854-021-06609-8