Synthesis of Ti4+ doped Ca-BiFO3 for the enhanced photodegradation of moxifloxacin

Muhammad Jamshaid, Muhammad Imran Khan, Javier Fernandez, Abdallah Shanableh, Tajamal Hussain, Aziz ur Rehman

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Resum

In recent years, the continuously increasing demand for wastewater treatment has increased research on perovskite-based materials with narrow band gaps. Titanium-doped calcium bismuth ferrites (CaBiFe1−x TixO3x = 0.00-15%) were successfully synthesized using the co-precipitation method. X-Ray diffraction data and SEM micrographs revealed the phase purity and nanocrystalline nature (rhombohedral lattice) of the CaBiFe1−x TixO3x = 0.00-15% samples. The energy band gap of the Ca-BiFO3 nanoparticles was tuned by the substitution of Ti4+ ions in the range of 2.96-2.1 eV. The Ti4+ substituted Ca-BiFO3 nanoparticles exhibited much higher photocatalytic performance for antibiotics (moxifloxacin) under controlled UV-visible light irradiation compared to pristine Ca-BiFO3 nanoparticles. The high concentration of moxifloxacin in water causes environmental problems, such as antibacterial resistance in bacteria and threats to ecology. The CaBiFe85%Ti15%O3 nanoparticles showed 89.16% moxifloxacin degradation after irradiation for only 60 min. The significant changes in the photocatalytic properties of the sample were due to the aliovalency of Fe3+ and Ti4+, and differences in ionic radii and oxygen vacancies.

Idioma originalAnglès
Pàgines (de-a)19848-19856
Nombre de pàgines9
RevistaNew Journal of Chemistry
Volum46
Número41
DOIs
Estat de la publicacióPublicada - 10 d’oct. 2022
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