期刊
CATALYSIS SCIENCE & TECHNOLOGY
卷 10, 期 19, 页码 6511-6524出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cy01041c
关键词
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资金
- MICINN [PGC2018-097277-B-I00, SEV-2016-0683, RTI2018-094322-B-I00, CTQ2017-90802-REDT]
- MINECO [CTQ2015-67592]
Copper and sulphur co-doped titanium oxide nanoparticles have been prepared by the sol-gel method to develop versatile catalysts exhibiting enhanced catalytic and photocatalytic properties. Structural, morphological, chemical composition, and optical characterizations of the synthesized titanium oxide nanoparticles have been carried out in order to study the effect of incorporating copper and sulphur on the catalytic and photocatalytic activities of TiO(2)nanoparticles. Optimal incorporation of copper and sulphur to the titanium dioxide nanoparticles promotes the photocatalytic degradation of ciprofloxacin in water under irradiation of UV or visible light. Complete degradation of ciprofloxacin was achieved after 120 min with the 0.4% Cu-0.5% S-TiO(2)photocatalyst using UV and in 90 min applying visible light. Cu-S-TiO(2)nanoparticles also exhibit high activity (94-98% conversion) and excellent recyclability (with no loss of activity after 14 runs) in selective oxidation of thioanisole using H(2)O(2)as an oxidant.
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