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Direct synthesis of Ti-SBA-15 in the self-generated acidic environment and its photodegradation of Rhodamine B |
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| Authors: | Hongliang Zhang Changjin Tang Yuanyuan Lv Fei Gao Lin Dong |
| Affiliation: | 1. Analysis and Testing Central Facility, Anhui University of Technology, Maanshan, 243002, People’s Republic of China 2. Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, People’s Republic of China 3. Center of Modern Analysis, Nanjing University, Nanjing, 210093, People’s Republic of China |
| Abstract: | A series of Ti-containing SBA-15 samples were firstly prepared in the self-generated acidic condition. The samples were characterized by powder X-ray diffraction, N2-adsorption, transmission electron microscopy, inductively coupled plasma, Fourier-transform infrared spectroscopy, UV–vis diffuse reflectance spectra (UV–vis) and X-ray photoelectron spectroscopy. All the samples possessed well-ordered hexagonal arrays of mesopores and Ti ions could be incorporated into the framework of SBA-15. Catalytic performances of the obtained materials were evaluated in the photodegradation of Rhodamine B (RhB). Catalytic tests indicated that Ti-SBA-15 showed much higher photodegradation ability towards RhB than pure TiO2. |
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