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

被引：17

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.

引用

页数：11

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