Cr/S/TiO2- LOADED HOLLOW GLASS MICROSPHERES AS AN EFFICIENT AND RECYCLABLE CATALYST FOR THE PHOTOCATALYTIC DEGRADATION OF INDIGO CARMINE UNDER VISIBLE LIGHT
文献类型： 外文期刊
作者： Zhang, Xiuli 1 ; Yin, Yidong 1 ; Sun, Zhibo 1 ; Du, Yingqiu 2 ; Ma, Shichao 1 ; Wu, Yan 1 ;
作者机构： 1.Heilongjiang Univ, Sch Chem & Mat Sci, Harbin 150080, Nangang, Peoples R China
2.Heilongjiang Acad Agr Sci, Agr Prod Qual & Safety Res Inst, Harbin 150086, Nangang, Peoples R China
关键词： hollow glass microspheres;visible light;indigo carmine;TiO2;photocatalytic degradation
期刊名称：QUIMICA NOVA （ 影响因子：0.961； 五年影响因子：1.091 ）
ISSN： 0100-4042
年卷期： 2016 年 39 卷 8 期
页码：
收录情况： SCI
摘要： Chromium and sulfur co-doped nanometer TiO2 hollow glass microspheres (Cr/S/TiO2-HGM) were synthesized by a sol-gel method. Characterization used X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), N-2 adsorption-desorption (Brunauer-Emmett-Teller (BET) measurements) and UV-Vis diffuse reflectance spectroscopy. The photocatalytic activity was evaluated by photodegradation of indigo carmine in an aqueous solution under visible light irradiation. The results indicated that the Cr/S/TiO2 containing 0.60% (atomic ratio) chromium and 1.2% (atomic ratio) sulfur calcined at 500 degrees C for 2 h had high catalytic efficiency under visible light irradiation. The floating Cr/S/TiO2-HGM catalyst had greater photocatalytic activity than Cr/S/TiO2 powder. Therefore, Cr/S/TiO2-HGM is a promising, high-performing, visible-light-driven, and more reusable photocatalyst.
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