Tailored synthesis of SnO2@graphene nanocomposites with enhanced photocatalytic response

被引：33
作者：
Chen, Haitao [1 ,2 ]
Pu, Xuemei [1 ]
Gu, Ming [1 ]
Zhu, Jun [1 ]
Cheng, Liwen [1 ]
机构：
[1] Yangzhou Univ, Coll Phys Sci & Technol, Yangzhou 225002, Jiangsu, Peoples R China
[2] Nanjing Univ, Natl Lab Solid State Microstruct, Lab Modern Acoust MOE, Nanjing 210093, Jiangsu, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2016年 / 42卷 / 15期
基金：
中国国家自然科学基金;
关键词：
Nanocomposite; Photocatalytic property; Charge separation; TIN-OXIDE; PERFORMANCE; SNO2; NANOSTRUCTURES; GRAPHENE; SNO2/GRAPHENE; OXYGEN; ZNO;
D O I：
10.1016/j.ceramint.2016.08.095
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：
Hierarchical SnO2@graphene nanocomposites were synthesized by impregnating different weight percentages of Sn2+ with graphene oxide nanosheets using a simple hydrothermal method. The precursor ratio of Sn2+ to graphene oxide plays a decisive role in tailoring the phase structure and composition, which thereby influences the photocatalytic performance to degrade the organic contaminants. The SnO2@graphene nanocomposites exhibited greatly enhanced abilities for photocatalytic degradation of MO dye compare with the pure SnO2. It is believed that the tight heterojunction structure and efficient charge separation play important roles in facilitating interfacial electron transfer and reducing self-radiative recombination of charges, which accordingly enhance the photocatalytic performance. (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：17717 / 17722
页数：6
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