Synthesis and characterization of Ag3PO4 immobilized in bentonite for the sunlight-driven degradation of Orange II
Synthesis and characterization of Ag3PO4 immobilized in bentonite for the sunlight-driven degradation of Orange II
复制标题
膨润土固定化 Ag3PO4 用于日光驱动降解 Orange II 的合成和表征
DOI：
10.1016/j.apcatb.2012.12.032
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发表时间：
2013-05-02
影响因子：
22.1
通讯作者：
Li, Dinglong
中科院分区：
文献类型：
--
作者：
Ma, Jianfeng;Zou, Jing;Li, Dinglong
介绍了一种将银盐插层到膨润土中间层的新方法。在膨润土（Ag_3PO_4-Ben）中间层中得到了非常细小的Ag_3PO_4晶粒（小于0.45 nm）。采用XRD、FTIR、XRF、XPS和UV-vis漫反射光谱对Ag 3 PO 4-Ben进行了表征。Ag 3 PO 4-Ben颗粒在可见光照射下对橙子II的降解表现出很高的催化效率。其光催化活性主要归因于膨润土中Ag 3 PO 4晶体的粒径较小和对染料的强吸附作用。膨润土的特殊结构和催化剂周围的微环境增强了其稳定性。(c)2013爱思唯尔有限公司版权所有。
A novel method for intercalating silver salt into bentonite interlayers is described. The very fine Ag3PO4 crystalline grains (less than 0.45 nm) were obtained in the interlayers of bentonite (Ag3PO4-Ben). Ag3PO4-Ben was characterized by XRD, FTIR, XRF, XPS and UV-vis diffuse reflectance spectroscopy. Ag3PO4-Ben particles exhibited high catalytic efficiency for Orange II degradation under visible light irradiation. The photocatalytic activity is attributed to the small-sized Ag3PO4 crystal immobilized in bentonite and the strong adsorption of dye on bentonite. The special structure of bentonite and the microenvironment around the catalysis enhanced the stability. (c) 2013 Elsevier B.V. All rights reserved.