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    • Keywords

       

      Cobalt nanoparticles; 4-nitrophenol; reduction; aggregation; recyclability.

    • Abstract

       

      Facile reduction of p-nitrophenol to p-aminophenol by sodium borohydride catalysed by cobalt nanoparticles (CoNPs) has been discussed. A simple approach has been made to synthesize highly active and ordered structures of CoNPs. The air-stable nanoparticles were prepared from cobalt sulphate using tetrabutyl ammonium bromide as surfactant and sodium borohydride as reductant. The cobalt nanocolloids in aqueousmedium were foundto be efficient reusable catalysts for the p-nitrophenol reduction. Palladium nanoparticles prepared from palladium chloride and the same surfactant were found to reduce p-nitrophenol but lose their catalytic efficiency after recovery.Based on chemical and kinetic studies, an attempt has been made to elucidate the mechanism of p-nitrophenol reduction using these nanoclusters.

    • Author Affiliations

       

      ARIJIT MONDAL1 ASISH MONDAL1 BIBHUTOSH ADHIKARY2 DEB KUMAR MUKHERJEE1

      1. Department of Chemistry, Ramsaday College, Howrah 711401, India
      2. Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, Howrah 711103, India
    • Dates

       
  • Bulletin of Materials Science | News

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      Posted on July 25, 2019

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