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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Low temperature aqueous phase synthesis of silver/silver chloride plasmonic nanoparticles as visible light photocatalysts
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Low temperature aqueous phase synthesis of silver/silver chloride plasmonic nanoparticles as visible light photocatalysts

机译：低温水相合成银/氯化银等离激元纳米粒子作为可见光光催化剂

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摘要

A one pot and environmentally benign synthetic route for plasmonic photocatalytic Ag@AgCl nanoparticles in a PVA-dissolved aqueous solution system is presented. The synthesized AgCl has a cubic-shape and its edge length can be controlled from ～57 to ～170 nm by varying the reaction temperature. In this system, PVA was used as a stabilizer for the formation of Ag@AgCl nanoparticles through interaction with Ag~+ ions. After partial reduction with l-arginine, the metallic Ag is formed on the surface of the AgCl substrates and the contents of the metallic Ag mainly affect both the visible-light absorption properties and the plasmonic photocatalytic efficiency of the Ag@AgCl nanocomposites. A plausible growth mechanism of metallic silver during the reduction process is proposed. More importantly, it is verified that the size of the AgCl substrate affected the light absorption region of the Ag@AgCl nanocomposite.
机译：提出了一种在PVA溶解的水溶液系统中用于等离子体光催化Ag @ AgCl纳米粒子的一锅又环保的合成途径。合成的AgCl呈立方体状，通过改变反应温度可以将其边缘长度控制在〜57 ～～ 170nm之间。在该系统中，PVA用作稳定剂，通过与Ag〜+离子的相互作用形成Ag @ AgCl纳米颗粒。用1-精氨酸部分还原后，在AgCl衬底的表面上形成金属Ag，并且金属Ag的含量主要影响Ag @ AgCl纳米复合材料的可见光吸收性能和等离子体激元光催化效率。提出了还原过程中金属银的合理生长机理。更重要的是，证实了AgCl基底的尺寸影响了Ag @ AgCl纳米复合材料的光吸收区域。

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