Synthesis and photocatalytic activity of ZnO/g-C3N4 materials under visible light

Nguyen Thi Viet Nga; Do Thi Hong Tram; Nguyen Bich Nhat; Tran Chau Giang; Tran Dinh Thinh; Truong Thanh Tam; Nguyen Van Kim

doi:10.51316/jca.2021.084

Synthesis and photocatalytic activity of ZnO/g-C3N4 materials under visible light

Authors

Nguyen Thi Viet Nga Quy Nhon University, 170 An Duong Vuong, Quy Nhon, Binh Dinh Author
Do Thi Hong Tram Tay Son high school, Tay Son, Binh Dinh Author
Nguyen Bich Nhat Quy Nhon University, 170 An Duong Vuong, Quy Nhon, Binh Dinh Author
Tran Chau Giang Quy Nhon University, 170 An Duong Vuong, Quy Nhon, Binh Dinh Author
Tran Dinh Thinh Quy Nhon University, 170 An Duong Vuong, Quy Nhon, Binh Dinh Author
Truong Thanh Tam Quy Nhon University, 170 An Duong Vuong, Quy Nhon, Binh Dinh Author
Nguyen Van Kim Quy Nhon University, 170 An Duong Vuong, Quy Nhon, Binh Dinh Author

DOI:

https://doi.org/10.51316/jca.2021.084

Keywords:

ZnO/g-C3N4, photocatalyst, methylenblue, visible light

Abstract

Novel photocatalysts ZnO/g-C₃N₄ have been synthesized by a facile route in which mixtures of zinc acetate dihydrate and melamine are heated at 550 ^oC. The obtained materials were characterized by X-Ray diffraction (XRD), infrared spectra (IR), energy-dispersive X-ray spectroscopy (EDS), scanning electron microscopy (SEM), and UV-vis diffuse reflectance spectroscopy (UV-vis DRS). The UV-vis DRS results showed that ZnO, g-C₃N₄, and ZnO/g-C₃N₄ materials possess bandgap of around 3.25, 2.70, and 2.79 eV, respectively. The photocatalytic activity of the materials was assessed by degradation of methylene blue (MB) under visible light. Among the three materials, ZnO/g-C₃N₄ exhibited the highest photocatalytic activity. The improved photocatalytic activity of the ZnO/g-C₃N₄ is attributed to the presence of g-C₃N₄ in the materials.

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Published

30-01-2022

Issue

Vol. 10 No. 1S (2021): Special Issue 1

Section

Full Articles

How to Cite

Synthesis and photocatalytic activity of ZnO/g-C3N4 materials under visible light. (2022). Vietnam Journal of Catalysis and Adsorption, 10(1S), 18-23. https://doi.org/10.51316/jca.2021.084