RETRACTED: Fe3O4 Nanoparticles Grown on Cellulose/GO Hydrogels as Advanced Catalytic Materials for the Heterogeneous Fenton-like Reaction (Retracted Article)

被引：48
|
作者：
Chen, Yian [1 ,3 ]
Potschke, Petra [1 ]
Pionteck, Jurgen [1 ]
Voit, Brigitte [1 ,3 ]
Qi, Haisong [2 ]
机构：
[1] Leibniz Inst Polymerforsch Dresden eV IPF, Hohe Str 6, D-01069 Dresden, Germany
[2] South China Univ Technol, State Key Lab Pulp & Paper Engn, Guangzhou 510630, Guangdong, Peoples R China
[3] Tech Univ Dresden, Organ Chem Polymers, D-01062 Dresden, Germany
来源：
ACS OMEGA | 2019年 / 4卷 / 03期
基金：
中国国家自然科学基金;
关键词：
ACID ORANGE 7; AZO-DYE; GRAPHENE OXIDE; EXPERIMENTAL-DESIGN; CARBON NANOTUBES; ACTIVATED CARBON; II DEGRADATION; IRON; OXIDATION; PEROXIDE;
D O I：
10.1021/acsomega.9b00170
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Cellulose/graphene oxide (GO)/iron oxide (Fe3O4) composites were prepared by coprecipitating iron salts onto cellulose/GO hydrogels in a basic solution. X-ray photoelectron spectroscopy (XPS), Fourier-transform infrared, and X-ray diffraction characterization showed that Fe3O4 was successfully coated on GO sheets and cellulose. Cellulose/GO/Fe3O4 composites showed excellent catalytic activity by maintaining almost 98% of the removal of acid orange 7 (AO7) and showed stability over 20 consecutive cycles. This performance is attributable to the synergistic effect of Fe3O4 and GO during the heterogeneous Fenton-like reaction. Especially, the cellulose/GO/Fe3O4 composites preserve their activity by keeping the ratio of Fe3+/Fe2+ at 2 even after 20 catalysis cycles, which is supported by XPS analysis.
引用
收藏
页码：5117 / 5125
页数：9
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