Synthesis of ternary rGO-ZnO-Fe3O4 nanocomposites and their application for visible light photocatalytic degradation of dyes

被引：18
|
作者：
You, Jiaqi [1 ]
Xiang, Ying [1 ]
Ge, Yili [1 ,2 ,3 ]
He, Yu [1 ,2 ]
Song, Gongwu [1 ,2 ]
机构：
[1] Hubei Univ, Hubei Collaborat Innovat Ctr Adv Organ Chem Mat, Wuhan 430062, Hubei, Peoples R China
[2] Hubei Univ, Coll Chem & Chem Engn, Minist Educ, Key Lab Synth & Applicat Organ Funct Mol, Wuhan 430062, Hubei, Peoples R China
[3] Hubei Key Lab Reg Dev & Environm Response, Wuhan 430062, Hubei, Peoples R China
来源：
CLEAN TECHNOLOGIES AND ENVIRONMENTAL POLICY | 2017年 / 19卷 / 08期
关键词：
rGO-ZnO-Fe3O4; nanocomposites; Photocatalytic activity; Wastewater treatment; ZNO NANOCOMPOSITES; GRAPHENE SHEETS; GRAPHITE OXIDE; OXIDATIVE DEHYDROGENATION; ORGANIC POLLUTANTS; AZO-DYE; DECOLORIZATION; REDUCTION; CATALYST; MICROSPHERES;
D O I：
10.1007/s10098-017-1385-2
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The rGO-ZnO-Fe3O4 nanocomposites were synthesized by a simple, economical and environmentally benign solvothermal method. The morphology, structure and photocatalytic activity of rGO-ZnO-Fe3O4 nanocomposites were characterized, and the effects of the preparation conditions were analyzed. The 25 mg of rGO-ZnO-Fe3O4 nanocomposites performed efficient photocatalytic activity for the degradation of 25 mL of 4.79 mg/L Rhodamine B under both ultraviolet and visible light irradiation. The nanocomposites could be easily retrieved from the wastewater by extra magnetic field due to the presence of magnetic Fe3O4 nanoparticles. After the degradation experiment was carried out five times, the degradation ratio is still close to 90% after irradiation after 5 cyclic, indicating that the rGO-ZnO-Fe3O4 nanocomposites have high stability for reuse. Therefore, the prepared rGO-ZnO-Fe3O4 nanocomposites may be a promising potential material for wastewater treatment.
引用
收藏
页码：2161 / 2169
页数：9
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