Synthesis of S doped TiO2 (S-TiO2) to enhance photocatalytic degradation of Ciprofloxacin in aqueous solutions under visible light

Dang Van Do, Hoa Thi Thanh Duong, Khang Van An Doi, Viet Minh Nguyen

Abstract


In this study, the sol-gel method was successfully used to synthesize S-TiO2 for efficient photocatalytic degradation of Ciprofloxacin solution under visible irradiation. These synthesized materials were characterized by various analytical methods such as XRD, SEM-EDX, FT-IR, and UV diffuse reflectance spectroscopy (DRS). XRD, SEM-EDX, and FT-IR confirmed the successful preparation of these materials. The UV-DSR demonstrated that the material has a lower bandgap in comparison with prime TiO2. The photodegradation results reported that the 0.33S-TiO2 had shown high efficiency in the degradation of Ciprofloxacin in comparison with TiO2. The decomposition of 10 mg/L Ciprofloxacin concentration reached approximately 90% for 150 minutes of visible light irradiation at room temperature at pH = 4.


Keywords


S-TiO2; photodegradation; Ciprofloxacin

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References


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DOI: https://doi.org/10.51316/jca.2021.077

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