Silver decorated on cobalt ferrite nanoparticles as a reusable multifunctional catalyst for water treatment applications in non-radiation conditions

In this investigation, cobalt ferrite nanoparticles (CFO NPs) were synthesized using a hydrothermal method. Then, silver nanoparticles (Ag NPs) were decorated on CFO NPs to form Ag/CFO NPs using jasmine extract as a reducing agent of Ag + ions. The properties of Ag/CFO NPs were characterized by X-ra...

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Bibliographic Details
Published in:	RSC advances Vol. 13; no. 35; pp. 24554 - 24564
Main Authors:	Ngoc Hoa, Le Thi, An, Vu Nang, Tra My, Vo Huynh, Thu Giang, Pham Thi, Top, Le Khac, Chi Nhan, Ha Thuc, Thang, Phan Bach, Thanh Van, Tran Thi, Van Hieu, Le
Format:	Journal Article
Language:	English
Published:	Cambridge Royal Society of Chemistry 16-08-2023 The Royal Society of Chemistry
Subjects:	Catalysts Chemistry Cobalt ferrites Dyes Fourier transforms Infrared spectroscopy Magnetic measurement Methylene blue Nanoparticles Nitrophenol Radiation Reducing agents Rhodamine Silver Spectrum analysis Wastewater treatment Water treatment X ray powder diffraction
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Summary:	In this investigation, cobalt ferrite nanoparticles (CFO NPs) were synthesized using a hydrothermal method. Then, silver nanoparticles (Ag NPs) were decorated on CFO NPs to form Ag/CFO NPs using jasmine extract as a reducing agent of Ag + ions. The properties of Ag/CFO NPs were characterized by X-ray powder diffraction, field-emission scanning electron microscopy, energy-dispersive X-ray spectroscopy, Fourier-transform infrared spectroscopy, vibrating sample magnetometry, and catalytic tests in non-radiation conditions. The catalytic results indicated that the Ag/CFO NPs could activate peroxymonosulfate to generate sulfate radicals for the decomposition of different dyes such as methylene blue, methyl orange, and rhodamine B. For the Ag/CFO sample, Ag NPs validated the roles in dye adsorption, reduction of 4-nitrophenol, and improvement of antibacterial behavior. The growth inhibition activity of Ag/CFO NPs was observed against Pseudomonas aeruginosa (18.18 ± 2.48 mm) and Staphylococcus aureus (10.14 ± 0.72 mm). Furthermore, Ag/CFO NPs displayed good reusability after three consecutive runs. Therefore, Ag/CFO material is shown to be a potential multifunctional catalyst in wastewater treatment. Ag/CFO NPs as a reusable multifunctional catalyst were fabricated using jasmine extract as a reducing agent of Ag⁺ ions. In this material, CFO NPs were vital in degrading various dyes; Ag NPs validated the roles in dye adsorption, reduction of 4-nitrophenol, and antibacterial activity.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 These authors contributed equally to this work.
ISSN:	2046-2069 2046-2069
DOI:	10.1039/d3ra02950f