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Dealloying-driven synthesis and characterization of AgCl/Ag/TiO2 nanocomposites with enhanced photocatalytic properties

机译:具有增强的光催化性能的AgCl / Ag / TiO2纳米复合材料的造理驱动的合成和表征

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The combination of dealloying with acid treatment was used to fabricate mesoporous anatase TiO2 with high specific surface area of 233 m~2/g. Using anatase TiO2 as a matrix, a photoreduction strategy was developed to synthesize AgCl/Ag/TiO2 nanocomposites with different Ti/Ag molar ratios.The morphology and properties of AgCl/Ag/TiO2 nanocomposites were investigated by X-ray diffraction, field emission scanning electron microscopy and transmission electron microscopy. The AgCl/Ag/TiO2 nanocomposites showed an enhanced photocatalytic activity for the degradation of methyl orange solution under visible light irradiation. The optimum Ti/Ag molar ratio in the AgCl/Ag/TiO2 nanocomposites was shown to be 6:1, which was attributed to its high specific surface area of 207 m~2/g and the surface plasmon resonance effect.
机译:用酸处理的妥善氧化物处理的组合用于制造中孔锐钛矿TiO 2,具有233m〜2 / g的高比表面积。使用锐钛矿TiO2作为基质,开发了光诊导策略以合成具有不同Ti / Ag摩尔比的AgCl / Ag / TiO2纳米复合材料。通过X射线衍射研究AgCl / Ag / TiO2纳米复合材料的形态和性质,现场排放扫描电子显微镜和透射电子显微镜。 AGCl / Ag / TiO2纳米复合材料显示出可见光照射下甲基橙溶液的降解的增强的光催化活性。 AgCl / Ag / TiO2纳米复合材料中的最佳Ti / Ag摩尔比显示为6:1,其归因于其高比表面积为207m〜2 / g,表面等离子体共振效应。

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