Preparation and enhanced photocatalytic activity of Ag-nanowires@SnO2 core-shell heterogeneous structures

被引：22

作者：

Liu, Hui ^{[1
]}

Liu, Tingting ^{[1
]}

Dong, Xiaonan ^{[1
]}

Hua, Rui ^{[1
]}

Zhu, Zhenfeng ^{[1
]}

机构：

[1] Shaanxi Univ Sci & Technol, Sch Mat Sci & Engn, Xian 710021, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2014年 / 40卷 / 10期

基金：

美国国家科学基金会;

关键词：

Ag@SnO2; Hydrothermal; Core-shell structures; Photocatalytic activity; TIO2; SEMICONDUCTOR; NANOMATERIALS; DEGRADATION; CATALYSIS;

D O I：

10.1016/j.ceramint.2014.08.029

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Ag-nanowires@SnO2 core shell heterogeneous structures (ANSOs) have been successfully synthesized through a two-step microwave hydrothermal method. First, monodispersed Ag-nanowires were obtained via a simple hydrothermal method. Second, SnO2 shell was wrapped on the Ag nanowires to form a ANSOs through another hydrothermal process, in which the SnCl4 center dot 5H(2)O was used as tin source. The physical and chemical properties of ANSOs were carefully studied by using XRD, SEM, TEM, UV-vis, respectively. The photocatalytic activity of the as-prepared products was evaluated by photocatalytic decolorization of Rhodamine B (Rh B) aqueous solution at room temperature (25 degrees C) under UV and visible-light irradiation. The measurements of photocatalytic activities show that the ANSOs has a better photocatalytic activity both in UV and visible-light region compared with that of pure SnO2 and P25. Crown Copyright (C) 2014 Published by Elsevier Ltd and Techna Group S.r.l. All rights reserved.

引用

页码：16671 / 16675

页数：5

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