Visible light-induced catalytic abatement of 4-nitrophenol and Rhodamine B using ZnO/g-C3N4 catalyst

In this study, pure ZnO and g-C 3 N 4 were synthesized using coprecipitation and simple calcination methods, respectively. Further, ZnO is impregnated on a g-C 3 N 4  surface with 10, 20 & 30 weight percentages, respectively. Besides, these materials are characterized by various physicochemical...

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Bibliographic Details
Published in:Journal of chemical sciences (Bangalore, India) India), 2021-06, Vol.133 (2), Article 41
Main Authors: Kumar, K V Ashok, Vinodkumar, T, Selvaraj, M, Suryakala, D, Subrahmanyam, Ch
Format: Article
Language:English
Subjects:
Carbon nitride
Catalysts
Catalytic activity
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Light irradiation
Nitrophenol
Regular Article
Rhodamine
Wastewater
Zinc oxide
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Summary:In this study, pure ZnO and g-C 3 N 4 were synthesized using coprecipitation and simple calcination methods, respectively. Further, ZnO is impregnated on a g-C 3 N 4  surface with 10, 20 & 30 weight percentages, respectively. Besides, these materials are characterized by various physicochemical techniques such as PXRD, UV-Vis-DRS, TEM, PL, and FT-IR, etc. Vitally, as-prepared materials, catalytic activity was tested for removal of Rhodamine B and 4-nitrophenol from the wastewater under visible light irradiation. Among all these catalysts, 20 wt% ZnO/ g -C 3 N 4  showed better activity and showed 67% and 75% mineralization. Graphic abstract The graphical abstract simply represents the proposed mechanism for photocatalytic removal of 4-nitrophenol and Rhodamine B with ZnO/g-C 3 N 4 composite. ZnO was a hexagonal plate type structure and g-C 3 N 4 shows a sheet-type structure.
ISSN:0974-3626
0973-7103
DOI:10.1007/s12039-021-01903-8