Heterostructured Bismuth Molybdate Composite: Preparation and Improved Photocatalytic Activity under Visible-Light Irradiation

被引：123
|
作者：
Ren, Jia [1 ]
Wang, Wenzhong [1 ]
Shang, Meng [1 ]
Sun, Songmei [1 ]
Gao, Erping [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China
来源：
ACS APPLIED MATERIALS & INTERFACES | 2011年 / 3卷 / 07期
基金：
中国国家自然科学基金;
关键词：
heterostructure; bismuth molybdate composite; photocatalytic activity; CONTROLLABLE SYNTHESIS; TIO2; DEGRADATION; FABRICATION; CDS-TIO2;
D O I：
10.1021/am200393h
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A heterostructured photocatalyst containing the same Bi, Mo, and O elements (Bi3.64Mo0.36O6.55/Bi2MoO6) was realized by a facile hydrothermal method. The heterostructured composite was characterized by powder X-ray diffraction, selected-area electron diffraction, scanning electron microscopy, and high-resolution electron microscopy. The Bi3.64Mo0.36O6.55/Bi2MoO6 composite exhibited notable enhanced photocatalytic activity compared to Bi2MoO6 or Bi3.64Mo0.36O6.55 in the photocatalytic degradation of rhodamine B and phenol under visible-light irradiation. More interestingly, it is found that the heterostructured composite could mineralize organic substances into CO2 efficiently. This study offered a clue for the design of an efficient photocatalyst in the application of environmental treatment.
引用
收藏
页码：2529 / 2533
页数：5
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