Journal
RSC ADVANCES
Volume 6, Issue 22, Pages 17906-17912Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra27639j
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Funding
- National Natural Science Foundation of China for Youth [21106035]
- Youth Scholar Backbone Supporting Plan Project for General Colleges and Universities of Heilongjiang province [1151G034]
- Key Laboratory of Chemical Engineering Process & Technology for High-efficiency Conversion (Heilongjiang University), College of Heilongjiang Province
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The Ti mesh supported N-S-C-tridoped TiO2 nanosheet (N-S-C/TiO2/TMs) catalysts were successfully fabricated by the one-step in situ hydrothermal synthesis method, and then used for photocatalytic degradation of norfloxacin. The prepared samples were characterized by X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), X-ray diffraction (XRD), and UV-vis diffuse reflectance spectra (DRS). The results showed that the N, S and C were transferred into the lattice of TiO2 and improved the visible light response of TiO2/TM. The degradation of norfloxacin by trilaminar Ti mesh supported N-S-C/TiO2 (3-N-S-C/TiO2/TMs) catalysts was 92%, much higher than that of 3-TiO2/TMs. Furthermore, the photocatalytic performances of 3-TiO2/TMs and equiponderant on Ti foil supported TiO2 (1-TiO2/TF) were also investigated. The experimental results demonstrated that the characteristic three-dimensional (3D) arrays and porous structure of 3-TiO2/TMs significantly enhanced the photon utilization during the degradation reaction, which induced a much higher degradation efficiency of 55% than that of equiponderant 1-TiO2/TF (23%) in 120 min.
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