Title: Room-temperature synthesis of nickel nanoparticles and their use as catalyst for methyl orange dye degradation

Authors: Arijit Mondal; Debasmita Mukherjee; Deb Kumar Mukherjee

Addresses: Department of Chemistry, Ramsaday College, Amta, Howrah 711401, India ' Department of ECE, Techno India Salt Lake, Kolkata, 711401, India ' Department of Chemistry, Ramsaday College, Amta, Howrah 711401, India

Abstract: We demonstrate here a simple and versatile route to prepare nickel nanoparticles from nickel sulphate using a surfactant and sodium borohydride as the reductant. These active and ordered structures of nickel nanoparticles were found to be efficient catalysts for degradation of methyl orange in aqueous medium. The particles remaining in solution were found to possess excellent catalytic activity even after several recycling attempts and have little propensity to coalesce or aggregate into inactive bigger lumps. Size selectivity was found to be one major reason of catalytic reusability using metal nanoclusters for similar dye degradation under identical reaction conditions.

Keywords: synthesis; nickel nanoparticles; methyl orange; dye degradation; recyclability.

DOI: 10.1504/IJNT.2018.098442

International Journal of Nanotechnology, 2018 Vol.15 No.8/9/10, pp.736 - 746

Published online: 22 Mar 2019 *

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