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Enhanced Photocatalytic Activity of C-Doped CeO2 Nanoparticles Under Visible Light Irradiation for Degradation Methylene Blue
Abstract
C-doped CeO2 nanoparticles were synthesized by hydrothermal method using glucose as carbon source. The structure of the C-doped CeO2 nanoparticles was controlled by the concentration of the glucose precursor. The structure and properties of the C-doped CeO2 nanoparticles were characterized by X-ray diffraction and UV-Vis diffuse reflectance spectroscopy. Microscopic morphology of nanoparticles was characterized by transmission electron microscopy. Photocatalytic activity was assessed by considering the degradation of methylene blue under visible light irradiation. Results show that C-doping significantly improves the photocatalytic activity of CeO2 nanoparticles because of the combination of extending radiation absorption in visible light and the efficient separation of electron-hole pairs. These findings suggest that the present method is useful for controlling the microstructure and dye degradation properties of C-doped CeO2 nanoparticles, which is particularly important for catalyst engineering.
About the Authors
Ta Quoc Tuan
International Training Institute for Materials Science (ITIMS), Hanoi University of Science and Technology (HUST)
Viet Nam
Viet Nam
Hanoi
Pham Van Huan
International Training Institute for Materials Science (ITIMS), Hanoi University of Science and Technology (HUST)
Viet Nam
Viet Nam
Hanoi
Bui Thi Hoan
Thuyloi University
Viet Nam
Viet Nam
Faculty of Electrical – Electronics Engineering.
Hanoi
Hoang Nhu Van
Phenikaa University; Phenikaa Research and Technology Institute, A&A Green Phoenix Group
Viet Nam
Viet Nam
Faculty of Materials Science and Engineering
Yen Nghia, Hanoi
Do Duy Hung
School of Engineering Physics, Hanoi University of Science and Technology (HUST)
Viet Nam
Viet Nam
Hanoi
Nguyen Ngoc Trung
School of Engineering Physics, Hanoi University of Science and Technology (HUST)
Viet Nam
Viet Nam
Hanoi
Hoang An Nghia
Administrative Office, Hanoi University of Science and Technology (HUST)
Viet Nam
Viet Nam
Hanoi
Nguyen Dinh Hoa
Administrative Office, Hanoi University of Science and Technology (HUST)
Viet Nam
Viet Nam
Hanoi
Phuong Dinh Tam
Phenikaa University; Phenikaa Research and Technology Institute, A&A Green Phoenix Group
Viet Nam
Viet Nam
Faculty of Materials Science and Engineering
Yen Nghia, Hanoi
Vuong-Hung Pham
International Training Institute for Materials Science (ITIMS), Hanoi University of Science and Technology (HUST)
Viet Nam
Viet Nam
Hanoi
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Review
For citations:
Tuan T.Q., Huan P.V., Hoan B.T., Van H.N., Hung D.D., Trung N.N., Nghia H.A., Hoa N.D., Tam P.D., Pham V. Enhanced Photocatalytic Activity of C-Doped CeO2 Nanoparticles Under Visible Light Irradiation for Degradation Methylene Blue. Zhurnal Prikladnoii Spektroskopii. 2023;90(5):807.
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