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首页> 外文期刊>Journal of Sol-Gel Science and Technology >Sol-Gel Processed Functional Nanosized TiO_2 and SiO_2-Based Films for Photocatalysts and Other Applications
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Sol-Gel Processed Functional Nanosized TiO_2 and SiO_2-Based Films for Photocatalysts and Other Applications

机译：溶胶-凝胶法加工的功能性纳米TiO_2和SiO_2基薄膜用于光催化剂和其他应用

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摘要

Titania and silica-based porous coatings have been produced via sol-gel route in the presence of pore-creating agents PEG and viscous solvent alpha-terpineol,or template agents CTAB,as well as triblock copolimer Pluronic P123.Porous titania films were characterised by HR TEM,UV-Vis,XRD,ellipsometry,ARS methods.The dispersion of the refractive index,the porosity (32-39%) and the thickness of the samples were estimated by integrating sphere transmission and reflection spectra with 3D angular resolved light scattering.The catalytic activity of mesoporous TiO_2 and TiO_2/ZrO_2 as well as SiO_2-benzophenone films in the process of Cr~(VI) to Cr~(III) and Ag+ to Ag~0 photoreduction have been studied.
机译：在造孔剂PEG和粘性溶剂α-萜品醇，或模板剂CTAB以及三嵌段共聚体Pluronic P123的存在下，通过溶胶-凝胶法制备了二氧化钛和二氧化硅基多孔涂层。 HR TEM，UV-Vis，XRD，椭圆光度法，ARS方法。通过将球体透射和反射光谱与3D角分辨光散射相结合，估算样品的折射率色散，孔隙率（32-39％）和厚度研究了中孔TiO_2和TiO_2 / ZrO_2以及SiO_2-二苯甲酮薄膜在Cr〜（VI）到Cr〜（III）和Ag +到Ag〜0光还原过程中的催化活性。

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