Citation: CHEN Qi, FEI Xia, HE Qin-Qin, LÜ Meng-Meng, WU Qi-Liang, LIU Xue-Ting, HE Bing. Preparation and Photocatalytic Properties of MIL-101/P25 Composites[J]. Chinese Journal of Inorganic Chemistry, ;2014, 30(5): 993-1000. doi: 10.11862/CJIC.2014.175 shu

Preparation and Photocatalytic Properties of MIL-101/P25 Composites

1.
School of Chemical Engineering, Hefei University of Technology, Anhui Key Laboratory of Controllable Chemical Reaction & Material Chemical Engineering, Hefei 230009, China

Received Date: 18 December 2013
Available Online: 18 December 2013
Fund Project: 安徽高校省级自然科学研究重点资助项目(No.KJ2010A271)。 (No.KJ2010A271)

Via hydrothermal method, MIL-101 was loaded on to the pretreated P25 to obtain MIL-101/P25 composites that were structurally characterized using X-ray diffraction (XRD), fourier transform infrared spectroscopy (FTIR), N₂ adsorption-desorption (BET), thermogravimetry (TG), field emission transmission electron microscopy (FETEM) and photoluminescence (PL), meanwhile, the stability of MIL-101 and the composites was investigated, and the synergistic effect induced by compounding was quantitatively evaluated by the proposed synergistic factor. The results show that MIL-101 has sheet-like morphology, and a portion of it combined with P25. After compounding, the stability of MIL-101 is promoted. Compounding can bring the synergistic effect at the appropriate ratio, and when the molar ratio of Cr(NO₃)₃·9H₂O to P25 is 1:1, the composite exhibits the highest activity for the visible light photocatalytic degradation of rhodamine B, and the synergistic factor is 1.64. The composite also exhibits high photocatalytic activity for the degradation of colorless organic pollutant salicylic acid.
- MIL-101;photocatalysis;P25;compounding;synergistic effect
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沈阳化工大学材料科学与工程学院沈阳 110142