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首页> 外文期刊>Chemistry: A European journal >Synthesis of Highly Efficient Ag@AgCl Plasmonic Photocatalysts with Various Structures
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Synthesis of Highly Efficient Ag@AgCl Plasmonic Photocatalysts with Various Structures

机译：多种结构的高效Ag @ AgCl等离子光催化剂的合成

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摘要

By means of a simple ion-exchange process (using different precursors) and a light-induced chemical reductionreaction, highly efficient Ag@AgCl plasmonic photocatalystswith various self-assembled structures—including microrods, irregularballs, and hollow spheres—have been fabricated. All the obtained Ag@AgCl catalysts were characterized by means of X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron microscopy, and UV-visible diffuse reflectance spectroscopy. The effect of the different morphologies on the properties of the photocatalysts was studied. The average content of elemental Ag in Ag@AgCl was found to be about 3.2mol%. All the catalysts show strong absorption in the visiblelight region. The obtained Ag@AgCl samples exhibit enhanced photocatalytic activity for the degradation of organic contaminants under visible-light irradiation. The stability of the plasmonic photocatalysts was also investigated in detail.
机译：通过简单的离子交换过程（使用不同的前体）和光诱导的化学还原反应，已经制备了具有各种自组装结构（包括微棒，不规则球和空心球）的高效Ag @ AgCl等离子体激元光催化剂。通过X射线衍射，X射线光电子能谱，扫描电子显微镜和紫外可见漫反射光谱对所有获得的Ag @ AgCl催化剂进行表征。研究了不同形态对光催化剂性能的影响。发现Ag @ AgCl中元素Ag的平均含量为约3.2mol％。所有催化剂在可见光区域均显示强吸收。所得的Ag @ AgCl样品在可见光照射下对有机污染物的降解表现出增强的光催化活性。还详细研究了等离激元光催化剂的稳定性。

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