Sandwich-like SnO2/MoO3-x prepared by electrostatic self-assembly for high-performance photocatalysis

被引：12
|
作者：
Zhang, Hanxin [1 ]
Wang, Gongguan [1 ]
Dai, Guoliang [1 ]
Xu, Xiaowen [1 ]
机构：
[1] Suzhou Univ Sci & Technol, Dept Chem, 1 CREE Rd, Suzhou 215009, Peoples R China
来源：
RESEARCH ON CHEMICAL INTERMEDIATES | 2019年 / 45卷 / 04期
基金：
美国国家科学基金会;
关键词：
Sandwich-structure; Heterojunction; Electrostatic self-assembly; Tin oxide; Molybdenum trioxide; HYDROTHERMAL SYNTHESIS; MOO3; SNO2; NANOCRYSTALS; DEGRADATION; COMPOSITES; NANOSHEETS; TIO2;
D O I：
10.1007/s11164-019-03743-1
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Sandwich-structured SnO2/MoO3-x has been successfully synthesized through electrostatic self-assembly. The crystal structure, morphology, size and composition of products were investigated by XRD, TEM (HRTEM), XPS and UV-Vis technologies. It was found that SnO2 nanoparticles are embedded between the layers of MoO3-x nanosheets. The investigation of photocatalytic properties indicated that the SnO2/MoO3-x heterostructure possessed excellent photocatalytic ability superior to SnO2 and MoO3 for the degradation of Rhodamine B and methylene blue driven by visible light. The results indicated that SnO2/MoO3-x acts as the trapping centers of photo-induced electrons and holes, which can promote the separation of photo-induced electron-hole pairs and charge migration. Furthermore, the photocatalyst SnO2/MoO3-x showed excellent recoverability as its photocatalytic activity remained even after five cycles.
引用
收藏
页码：2369 / 2381
页数：13
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