Photodegradation of methylene blue and photoproduction of hydrogen peroxide using magnesium ferrite-titanium dioxide/reduced graphene oxide as a photo-catalyst under visible light

被引:7
|
作者
Phuc, Nguyen Hoang [1 ,2 ,3 ]
Lin, Tong Hoang [1 ,2 ,3 ]
Viet, Thieu Quang Quoc [1 ,2 ,3 ,4 ]
Dat, Nguyen Minh [1 ,2 ,3 ]
Dat, Nguyen Tien [1 ,2 ,3 ,5 ]
Minh, Dang Thanh Cong [1 ,2 ,3 ]
Giang, Nguyen Thi Huong [1 ,2 ,3 ]
Huong, Quach Thi Thanh [1 ,2 ,3 ]
Hanh, Nguyen Thi [1 ,2 ,3 ]
Phong, Mai Thanh [1 ,2 ,3 ]
Hieu, Nguyen Huu [1 ,2 ,3 ]
机构
[1] Ho Chi Minh City Univ Technol HCMUT, Key Lab Chem Engn & Petr Proc CEPP, VNU HCM, 268 Ly Thuong Kiet St,Dist 10, Ho Chi Minh City, Vietnam
[2] Ho Chi Minh City Univ Technol HCMUT, Fac Chem Engn, 268 Ly Thuong Kiet St,Dist 10, Ho Chi Minh City, Vietnam
[3] Vietnam Natl Univ Ho Chi Minh City VNU HCM, Ho Chi Minh City, Vietnam
[4] Can Tho Univ, Coll Engn Technol, 3-2 St, Can Tho City, Vietnam
[5] Univ Sci, 227 Nguyen Cu,Dist 5, Ho Chi Minh City, Vietnam
关键词
Chitosan; Reduced graphene oxide; Hydrogen peroxide; Methylene blue; PHOTOCATALYTIC DEGRADATION; ORGANIC-DYES; CHARGE SEPARATION; WATER; FABRICATION; COMPOSITE; REMOVAL; RGO;
D O I
10.1016/j.optmat.2023.113832
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this study, the ternary composite material of magnesium ferrite-titanium dioxide/reduced graphene oxide (MgFe2O4-TiO2/rGO- MFOTG) was successfully synthesized via a simple hydrothermal method from MgFe2O4-TiO2 (MFOT) and graphene oxide (GO). In particular, the MFOT was fabricated via the co-precipitation method with chitosan as a stabilizer. Meanwhile, the GO was fabricated via the improved Hummers' method. The characterization results indicated that the MFOT was successfully synthesized and evenly distributed onto the surface of the rGO sheets with the average size ranging from 50 to 100 nm. The prepared material possessed a photodegradation efficiency of 95% for methylene blue under the radiation of UV and visible light for 60 and 70 min, respectively. Besides, the MFOTG exhibited a good catalysis performance for the photoproduction of H2O2 under the illumination of visible light with a productivity of 153.63 +/- 2.76 mM/g for 30 min. The aforemen-tioned results confirmed the potential applications of the resulting MFOTG in the environmental treatment and production of H2O2.
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页数:8
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