Journal
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume 317, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.apcatb.2022.121703
Keywords
Photocatalysis; Antibiotics; Aurivillius; Water decontamination; Homojunction; LEDs
Funding
- Ministerio de Ciencia e Innovacion/Agencia Estatal de Investigacon (MCIN/AEI) [PID2020-115663GB-C32]
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Complex tunable visible-light-driven Aurivillius-phase-based micro- and nanostructured photocatalysts were fabricated using a novel sequential process based on electrochemical deposition and thermal treatment, which showed excellent photocatalytic performance in degrading and mineralizing antibiotics under solar radiation.
Complex tunable visible-light-driven Aurivillius-phase-based micro- and nanostructured photocatalysts were fabricated following a novel, scalable, easily implemented sequential process based on electrochemical deposition and thermal treatment. Regarding its novelty, electrochemistry was the primary tool for synthesis, one that constitutes a viable alternative to other complex chemical and physical processes. The parameters of electrodeposition and thermal conditions promoted different nanostructured Bi2MoO6 and Bi2MoO6@Bi2MoO(6-x) films. The nanostructured homojunction Bi2MoO6@Bi2MoO(6-x) films obtained after 3 h of calcination showing microand nanowire morphology emerged as the most effective photocatalyst for degrading and mineralizing the monoand multiantibiotic solutions (i.e., tetracycline, ciprofloxacin, and/or levofloxacin), which achieved near-total degradation and exceptionally high mineralization values (>95%) after 180 min of radiation. The materials' proven reusability, low photocorrosion activity, and excellent photocatalytic performance in mineralizing antibiotics can support the implementation of Bi2MoO6@Bi2MoO6???x homojunctions as efficient visible-light photocatalysts under solar radiation.
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