钛硅复合氧化物介孔材料在光催化降解罗丹明B中的应用

doi:10.11962/1006-4990.2019-0142

Abstract

Abstract: TiO2-SiO2 composite oxides were prepared by sol-gel method with TiOSO4 and sodium silicate as precursors.TiO2-SiO2 composite oxides were characterized by XRD，SEM，TEM，BET，laser particle size analyzer and UV-Vis.The influence of preparation condition on the physical properties such as crystalline phase，morphology，pore structure and particle size of TiO2-SiO2 composite oxides were investigated.The degradation properties of TiO2-SiO2 composite oxides in Rhodamine B solution under ultraviolet region were investigated.The results showed that TiO2/SiO2 composite oxides possessed an excellent photocatalytic activity which was obviously superior to that of commercial P25 TiO2.The calcination temperature had the greatest influence on the performance of catalyst.

Key words: sol-gel method；TiO2-SiO2 composite oxide；photocatalytic

CLC Number:

TQ134.11

Zhou Peng1，2，Guo Qiushuang1，2，Li Xiaoyun1，2，Sun Yanmin1，2，Miao Jing1，Yu Haibin1，2. Application of mesoporous TiO2-SiO2 composite oxide inphotocatalytic degradation of Rhodamine B[J]. Inorganic Chemicals Industry, 2019, 51(7): 93-99.

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National Inorganic Salts Information Center

Inorganic Acid-Base-Salt Committee of CIESC

Application of mesoporous TiO2-SiO2 composite oxide inphotocatalytic degradation of Rhodamine B

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