One pot ligand exchange method for a highly stable Au-SBA-15 catalyst and its room temperature CO oxidation.
One pot ligand exchange method for a highly stable Au-SBA-15 catalyst and its room temperature CO oxidation.
Chem Commun (Camb). 2018 Oct 11;:
Authors: Soni Y, Kavya I, Ajithkumar TG, Vinod CP
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 (HAuCl4ยท3H2O) 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.
PMID: 30307460 [PubMed - as supplied by publisher]
Source: Chemical Communications - Category: Chemistry Authors: Soni Y, Kavya I, Ajithkumar TG, Vinod CP Tags: Chem Commun (Camb) Source Type: research