期刊
CHEMISTRYSELECT
卷 6, 期 24, 页码 6029-6036出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/slct.202101243
关键词
Mesoporous; N-doping; Self-assembly; Photocatalysis
资金
- National Natural Science Foundation of China [21676285]
- Qingdao Indigenous Innovation Program [15-9-1-76-jch]
- Scientific Research Foundation of Shandong University of Science and Technology for Recruited Talents [2017RCJJ015]
Nx-MT nanocatalysts exhibited enhanced photocatalytic activity due to the comprehensive effect of mesopores and N-doping. The effects of calcination temperature and N concentration on the catalyst performance were studied, and the relationship between the pore volume of Nx-MT and the catalytic reaction rate was clarified. Moreover, the turn-over number (TON) was used to evaluate the effect of the amount of nitrogen doping on the catalytic activity per active site.
Meso-N-TiO2 nanocatalysts (Nx-MT) were successfully synthesized through evaporation-induced self-assembly (EISA) method by using urea as the nitrogen source and Pluronic F127 as the templating agent. Through a series of characterizations and degradation of rhodamine B under simulated sunlight, the roles of mesoporous and N-doping in the Nx-MT nanocatalyst were evaluated. The Nx-MT exhibited enhanced photocatalytic activity due to the comprehensive effect of mesopores and N-doping. The effects of calcination temperature and N concentration on the performance of the catalyst were studied. Besides, the relationship between the pore volume of Nx-MT and the catalytic reaction rate was clarified. Moreover, the turn-over number (TON) was used to evaluate the effect of the amount of nitrogen doping on the catalytic activity per active site.
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