Preparation of carbon cloth membrane with visible light induced self-cleaning performance for oil-water separation

被引：20
|
作者：
Song, Yuxin [1 ]
Lang, Jihui [1 ,2 ]
Guo, Jiale [3 ]
Zhang, Qi [1 ]
Han, Qiang [1 ]
Fan, Hougang [1 ]
Gao, Ming [1 ]
Wei, Maobin [1 ]
Yang, Jinghai [1 ]
Sheng, Zifeng [4 ]
机构：
[1] Jilin Normal Univ, Key Lab Funct Mat Phys & Chem, Minist Educ, Siping 136000, Peoples R China
[2] Siping Hongzui Univ, Sci Pk, Siping 136000, Peoples R China
[3] Changchun Univ, Sch Sci, Changchun 130022, Peoples R China
[4] Xiangshui Middle Sch Gongzhuling City, Siping 136000, Peoples R China
来源：
SURFACE & COATINGS TECHNOLOGY | 2020年 / 403卷
基金：
中国国家自然科学基金;
关键词：
Titanium dioxide; Self-cleaning; Superhydrophilic; Superoleophobic; Visible light drive anti-fouling; Oil-water separation; NANOFIBROUS MEMBRANE; OIL/WATER; TIO2; MESH; WETTABILITY; SUPERHYDROPHILICITY; SUPEROLEOPHOBICITY; DEGRADATION; FABRICATION; COMPOSITE;
D O I：
10.1016/j.surfcoat.2020.126372
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A carbon cloth@TiO2@Ag (CC@TiO2@Ag) membrane has been prepared by two-step method, including the hydrothermal method to make TiO2 grow on carbon cloth and the photodeposition method to synthesize Ag element on CC@TiO2 for oil-water separation. The obtained CC@TiO2@Ag membrane shows the good superhydrophilicity and underwater superoleophobicity due to its hierarchical broccoli-like interface with the good surface roughness and the natural hydrophilicity of TiO2. Importantly, the resultant membrane exhibits a strong self-cleaning ability under visible light irradiation of CC@TiO2@Ag membrane with loading a certain amount of Ag, so that the separation efficiency remains above 99% even after 60 cycles for various oil-water mixtures. Moreover, the CC@TiO2@Ag membrane is flexible and durable. The high separation efficiency and excellent self-cleaning ability of the membrane may own the broad application prospects in the field of oil-water separation.
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页数：11
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