MnO2 Nanoparticles Confined in TiO2 Nanotubes for Catalytic Combustion of Butane

被引：14
|
作者：
Zhang, Sen [1 ,2 ]
Luo, Weimin [1 ]
Yang, Xu [1 ]
Lv, Tai [2 ]
Huang, Yanqin [1 ]
Dong, Kaijun [1 ]
Li, Xinjun [1 ]
机构：
[1] Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
[2] Northeast Elect Power Univ, Dept Thermal Energy & Power Engn, Jilin 132012, Jilin, Peoples R China
来源：
CHEMISTRYSELECT | 2017年 / 2卷 / 16期
基金：
中国国家自然科学基金;
关键词：
Butane; Catalytic combustion; Confinement effect; MnO2; TiO2; nanotubes; VOLATILE ORGANIC-COMPOUNDS; MANGANESE OXIDES; TOTAL OXIDATION; CARBON NANOTUBES; HYDROCARBONS; REDUCTION; BEHAVIOR; REMOVAL; TOLUENE;
D O I：
10.1002/slct.201700299
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A confined MnO2 catalyst with MnO2 nanoparticles entrapped in TiO2 nanotube was synthesized through vacuum-assisted impregnation method. Due to the confinement effect of TiO2 nanotube, the electron density distribution between the exterior and interior nanotube surface is modulated. As such, the confined MnO2 can facilitate the formation and migration of active oxygen species in the catalyst. The catalyst exhibits the enhanced activity in the catalytic combustion of butane, and the reaction temperature is significantly lowered. This result demonstrates that the confined MnO2 in TiO2 nanotube can serve as a cost-effective catalyst for the elimination of VOCs from the air.
引用
收藏
页码：4557 / 4560
页数：4
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