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One pot ligand exchange method for a highly stable Au–SBA-15 catalyst and its room temperature CO oxidation

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Abstract

A modified deposition precipitation (DP) method has been developed to address a fundamental issue of supporting well dispersed Au nanoparticles on silica. Ammonium chloride (NH4Cl) plays an important role in in situ modifying the gold precursor (HAuCl4·3H2O) solution allowing facile deposition of gold NPs in the channels of SBA-15. The Au–SBA-15 catalyst (2.8 wt%) synthesized by this procedure showed 100% conversion for CO oxidation at room temperature with excellent stability at room temperature and high temperature.

Graphical abstract: One pot ligand exchange method for a highly stable Au–SBA-15 catalyst and its room temperature CO oxidation

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Publication details

The article was received on 24 Aug 2018, accepted on 25 Sep 2018 and first published on 26 Sep 2018


Article type: Communication
DOI: 10.1039/C8CC06887A
Citation: Chem. Commun., 2018, Advance Article
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    One pot ligand exchange method for a highly stable Au–SBA-15 catalyst and its room temperature CO oxidation

    Y. Soni, I. Kavya, T. G. Ajithkumar and C. P. Vinod, Chem. Commun., 2018, Advance Article , DOI: 10.1039/C8CC06887A

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