title: Influence of Preparation Methods of Nano Au/MCM-41 Catalysts for Vapor Phase Oxidation of Benzyl Alcohol.
abstract: The Au/MCM-41 nano catalysts were synthesized from four different methods, viz., homogeneous deposition-precipitation, micro-emulsion, impregnation and polyol and their catalytic activities were tested for the vapor phase oxidation of benzyl alcohol to benzaldehyde. The physico-chemical properties of the catalysts were investigated by XRD, TEM, BET surface area, PSD, CO-chemisorption and XPS techniques. The effect of preparation methods, nature of the metal, support and the metal-support interaction in Au/MCM-41 catalysts were studied for the title reaction. The Au/MCM-41 catalysts synthesized from HDP method has shown higher and better catalytic activity as compared to the catalysts prepared by other methods.
authors.forename: Ashish
authors.initials: A
authors.lastname: Kumar
authors.forename: Vanama Pavan
authors.initials: VP
authors.lastname: Kumar
authors.forename: Venkataraman
authors.initials: V
authors.lastname: Vishwanathan
authors.forename: V R
authors.initials: VR
authors.lastname: Chary