Journal
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
Volume 584, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.colsurfa.2019.124052
Keywords
Hybrid materials; Boron nitride; Activated TiO2; Antibiotics; Photocatalytic properties
Categories
Funding
- Natural Science Foundation of China [21806029, 51572068,51772075]
- Natural Science Foundation of Hebei Province [E2019202347, E2019202086]
- Foundation of Department of Education of Hebei Province [QN2018023]
- Program for Changjiang Scholars and Innovative Research Team in University [PCSIRT: IRT17R33]
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Porous boron nitride microrods (p-BNMRs) and activated TiO2 nanotablets with exposing {001} facets are combined to form p-BNMR/TiO2 hybrid materials via solvothermal method. The activated TiO2 nanotablets have a length of 150-200 nm and a thickness of about 20 nm. Additionally, the exposing ratios of the {001} facets and the morphologies of TiO2 supported on the p-BNMRs surfaces can be adjusted by the volume of H2O2. The photocatalytic property of p-BNMR/TiO2 hybrid materials for degrading antibiotics is improved compared with that of pure TiO2 due to the composite of activated TiO2 to p-BNMRs, which possess the capacity to absorb antibiotic molecules and transfer the photogenerated charge carriers. 99.8% of ofloxacin in aqueous solution is removed after 100 min of UV irradiation. After four successive cycles, the removal percentage of ofloxacin remained up to 92%.
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