MIL-125 and NH2-MIL-125 Modified TiO2 Nanotube Array as Efficient Photocatalysts for Pollute Degradation

被引:15
作者
Xue, Chaorui [1 ]
Zhang, Fan [1 ]
Chang, Qing [1 ]
Dong, Yingge [1 ]
Wang, Yanzhong [1 ]
Hu, Shengliang [2 ]
Yang, Jinlong [1 ,3 ]
机构
[1] North Univ China, Sch Mat Sci & Engn, Taiyuan 030051, Shanxi, Peoples R China
[2] North Univ China, Sch Energy & Power Engn, Taiyuan 030051, Shanxi, Peoples R China
[3] Tsinghua Univ, Sch Mat Sci & Engn, Beijing 100084, Peoples R China
基金
中国国家自然科学基金; 山西省青年科学基金;
关键词
MIL-125; NH2-MIL125; TiO2 nanotube array; METAL-ORGANIC FRAMEWORK; AMINO FUNCTIONALITY; TITANIUM; FILMS; PERFORMANCE; SELECTIVITY; REMOVAL; CU2O;
D O I
10.1246/cl.180010
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Metal-organic frameworks (MOF) of MIL-125 and NH2-MIL-125 have been successfully coupled with TiO2 nanotube array through a solvothermal method. MIL-125 and NH2-MIL-125 demonstrated notably high surface area. MOF/TiO2 heterojunctions can promote the separation of photo-generated e(-) /h(+) pairs during the photocatalytic process. Thus both MIL125 and NH2-MIL-125 modified TiO2 nanotube array showed enhanced photocatalytic activity under UV light. Under visible and solar light, NH2-MIL-125/TiO2 nanotube array demonstrated the highest photocatalytic response. The reason should be the red shift of optical absorption edge for the narrowed band gap of NH2-MIL-125.
引用
收藏
页码:711 / 714
页数:4
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