Preparation of a magnetically separable CoFe 2 O 4 supported Ag nanocatalyst and its catalytic reaction towards the decolorization of a variety of dyes

This study deals with the exploration of CoFe 2 O 4 supported Ag nanoparticles as a catalyst for the decolorization of various dyes (such as 4-nitrophenol, Congo red, rhodamine B) and dye mixtures by employing a reduction reaction with excess NaBH 4 in an aqueous medium. Nanocatalysts with 10 wt% Ag...

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Bibliographic Details
Published inRSC advances Vol. 5; no. 50; pp. 40193 - 40198
Main Authors Naik, Bhanudas, Hazra, Subhenjit, Desagani, Dayananda, Ghosh, Barun Kumar, Patra, Manoj Kumar, Vadera, Sampat Raj, Ghosh, Narendra Nath
Format Journal Article
LanguageEnglish
Published 2015
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Summary:This study deals with the exploration of CoFe 2 O 4 supported Ag nanoparticles as a catalyst for the decolorization of various dyes (such as 4-nitrophenol, Congo red, rhodamine B) and dye mixtures by employing a reduction reaction with excess NaBH 4 in an aqueous medium. Nanocatalysts with 10 wt% Ag loading (10Ag@CoFe 2 O 4 ) exhibited very high catalytic activity and dye solutions were found to be decolorized within 4 to 6 minutes. A simple method for the preparation of a catalyst (10Ag@CoFe 2 O 4 ) was reported, which exhibited very high catalytic efficiency towards the decolorization of dyes with different chemical structures as well as demonstrating its magnetic properties for easy separation from reaction mixtures and its reusability.
ISSN:2046-2069
2046-2069
DOI:10.1039/C5RA00298B