Journal
CHEMICAL RESEARCH IN CHINESE UNIVERSITIES
Volume 36, Issue 3, Pages 447-452Publisher
HIGHER EDUCATION PRESS
DOI: 10.1007/s40242-020-0106-2
Keywords
TiO2; Metal-organic framework; Photo-degradation; N doped; Visible-light photocatalysis
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Funding
- National Natural Science Foundation of China [21671016, 51872024, 51932001]
- National Key R&D Program of China [2018YFA0703503]
- China Postdoctoral Science Foundation [2019M650849]
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Nanostructured N-doped TiO2 photocatalyst has been prepared via a new approach from Ti-based MOF[NH2-MIL-125(Ti)] precursor. The success of N doping enhances light absorption and narrows the bandgap. Moreover, the as-prepared nanostructure is constructed with tiny nanoparticles and resembles a pie-like morphology inherited from the MOF, which accelerates electron transfer. Hence, as a photocatalyst for the degradation of methylene blue(MB) under visible light irradiation, the N-doped TiO2(N-TiO2) nanostructure shows higher photocatalytic activity with a reaction rate constant of 0.018 min(-1) than that of the TiO2-P25 and TiO2 under the visible light.
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