Construction of fiber-based BiVO4/SiO2/reduced graphene oxide (RGO) with efficient visible light photocatalytic activity

被引:45
作者
Liu, Baojiang [1 ,2 ,3 ]
Lin, Lu [1 ]
Yu, Dan [1 ,2 ]
Sun, Jie [3 ]
Zhu, Zhijia [1 ,3 ]
Gao, Pin [4 ]
Wang, Wei [5 ]
机构
[1] Donghua Univ, Key Lab Text Sci Technol, Minist Educ, Shanghai 201620, Peoples R China
[2] Donghua Univ, Coll Chem Chem Engn & Biotechnol, Shanghai 201620, Peoples R China
[3] Zhejiang Prov New Text Res & Dev Emphasised Lab, Hangzhou 310009, Zhejiang, Peoples R China
[4] Donghua Univ, Coll Environm Sci & Engn, Shanghai 201620, Peoples R China
[5] Changshu Inst Technol, Sch Art & Garment Engn, Suzhou 215500, Peoples R China
关键词
Reduced graphene oxide; Fiber-based photocatalyst; Visible light; Dye degradation; FACILE SYNTHESIS; NANOCOMPOSITES; DEGRADATION; COMPOSITE; PERFORMANCE; FABRICATION; OXIDATION; COTTON;
D O I
10.1007/s10570-017-1628-8
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
The visible light-responsive photocatalyst BiVO4/SiO2/reduced graphene oxide (RGO) was synthesized by hydrothermal method. For easy collection and reuse in slurry systems, RGO/BiVO4/SiO2 was immobilized on the cotton fiber by ultrasonic-heating technology. The characterization results indicated that the surface of cotton fiber was uniformly covered with BiVO4/SiO2/RGO photocatalyst. The loaded BiVO4/SiO2/RGO endowed the composite fibers with an excellent photocatalytic activity and recyclability for the degradation of the C.I. Reactive Blue 19 under visible light irradiation. The introduction of RGO exhibited the great dispersibility of photocatalyst in aqueous solution and the high absorbance of positive metal ions, which enhanced its photocatalytic performance. Given the above research results, the flexible fiber-based BiVO4/SiO2/RGO composite would have potential applications in the water/air purification field.
引用
收藏
页码:1089 / 1101
页数:13
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