Preparation and characterization of SnO2-x/GO composite photocatalyst and its visible light photocatalytic activity for self-cleaning cotton fabrics

被引：23
作者：
Qi, Zhenming [1 ,2 ]
Wang, Kuang [1 ,3 ]
Jiang, Yulin [1 ]
Zhu, Yuping [1 ]
Chen, Xiaomin [1 ]
Tang, Qi [1 ]
Ren, Yu [3 ]
Zheng, Chenghui [1 ]
Gao, Daiwei [1 ,2 ]
Wang, Chunxia [1 ,2 ,3 ]
机构：
[1] Yancheng Inst Technol, Coll Text & Clothing, Yancheng 224051, Jiangsu, Peoples R China
[2] Yancheng Inst Technol, Key Lab Adv Technol Environm Protect Jiangsu Prov, Yancheng 224051, Jiangsu, Peoples R China
[3] Nantong Univ, Sch Text & Clothing, Nantong 226019, Jiangsu, Peoples R China
来源：
CELLULOSE | 2019年 / 26卷 / 16期
关键词：
Self-doped; SnO2-x; GO composite photocatalyst; Photocatalytic activity; Cotton fabrics; Self-cleaning activity; REDUCED GRAPHENE OXIDE; FE-DOPED SNO2; SILVER NANOPARTICLES; TIO2; PERFORMANCE; ZNO; NANOCOMPOSITE; WOOL; ANTIBACTERIAL; NANOFIBERS;
D O I：
10.1007/s10570-019-02662-z
中图分类号：
TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];
学科分类号：
0805 ; 080502 ; 0822 ;
摘要：
Sn2+ self-doped SnO2 (SnO2-x) nanocrystal and SnO2-x/graphene oxide (SnO2-x/GO) composite photocatalyst were prepared by hydrothermal method and characterized by transmission electron microscope, energy dispersive X-ray, X-ray diffraction, X-ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy, photocurrent and photocatalytic activity. SnO2-x/GO was hydroxylated with 3,4-dihydroxy phenyl acetic acid to obtain the carboxylated SnO2-x/GO. Cotton fabrics were cationically modified by 3-chloro-2 hydroxy propyltrim ethylammonium chloride and then finished with the carboxylated SnO2-x/GO composite photocatalyst. Cotton fabrics were characterized by SEM, XPS and self-cleaning activity. Photocatalytic activity of SnO2-x/GO composite photocatalyst and self-cleaning activity of cotton fabrics were evaluated by photocatalytic degradation of methyl orange solution and methylene blue solution under the visible light, respectively. Photocatalytic activity of SnO2-x/GO composite photocatalyst firstly increased and then decreased with the increasing molar ratio of Sn4+/Sn, and the GO concentration in SnO2-x/GO. The optimal molar ratio of Sn4+/Sn and GO concentration were 1:4 and 5%, respectively. The SnO2-x/GO finished cotton fabrics exhibited highly efficient and durable self-cleaning activity. In addition, the mechanism for SnO2-x/GO photocatalytic activity, and the mechanism and possible reactions for the chemically binding of SnO2-x/GO composite photocatalyst with cotton fabrics were proposed. Graphic abstract
引用
收藏
页码：8919 / 8937
页数：19
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