Enhanced photodegradation of Rhodamine B under visible light by N-K2Ti4O9/MIL-101 composite

被引：14
|
作者：
Xu, Yanli [1 ]
Chen, Qi [1 ]
Yang, Hanbiao [1 ]
Lv, Mengmeng [1 ]
He, Qinqin [1 ]
Liu, Xueting [1 ]
Wei, Fengyu [1 ]
机构：
[1] Hefei Univ Technol, Anhui Key Lab Controllable Chem React & Mat Chem, Sch Chem & Chem Engn, Hefei 230009, Peoples R China
来源：
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING | 2015年 / 36卷
基金：
中国国家自然科学基金;
关键词：
N-K2Ti4O9; MIL-101; Synergistic effect; Photocatalysis; METAL-ORGANIC FRAMEWORK; POROUS COORDINATION POLYMERS; PHOTOCATALYTIC ACTIVITY; TITANIUM-DIOXIDE; LAYERED TITANATES; DEGRADATION; IRRADIATION; SOLAR; DESIGN; TIO2;
D O I：
10.1016/j.mssp.2015.03.025
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
N-K2Ti4O9/MIL-101 composites were successfully synthesized by a facile hydrothermal method, and were characterized by powder X-ray diffraction, UV-vis diffuse reflectance spectroscopy, the valence band X-ray photoelectron spectroscopy, field emission transmission electron microscopy, photoluminescence emission spectra, N-2 adsorption-desorption and thermogravimetric analysis. Photocatalytic activities of N-K2Ti4O9, MIL-101 and the composites were investigated by the degradation of Rhodamine B (RhB) under visible light irradiation. The results show that the composites exhibit higher photocatalytic activity as compared with the pure materials. The synergistically enhanced photocatalytic activity of the composites is due to big adsorption capacity of MIL-101 and high separation efficiency of photogenerated electron-hole pairs through interfaces between N-K2Ti4O9 and MIL-101. (c) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：115 / 123
页数：9
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