Synthesis, characterization and physicochemical properties of platinum naboparticles on ordered mesoporous carbon
Loading...
Date
2011
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
University of the Western Cape
Abstract
In this study SBA-15 mesoporous silica template was synthesized and used as a sacrificial template in the preparation of ordered mesoporous carbon material. A chemical vapour deposition (CVD) technique using LPG or alternatively sucrose, pyrolyzed upon a mesoporous Si matrix were used to produce nanostructured ordered mesoporous carbon (OMC) with graphitic character after removing the Si template. The sucrose method was found to be a suitable route for preparing OMC. The OMC was used as a conductive three dimensional porous support for depositing catalytic nanophase Pt metal. Deposition of Pt nanoparticles on OMC was accomplished using a CVD method with Pt(acac)2 as a precursor. The synthesized nano-composite materials were characterized by several techniques such as, HRTEM, HRSEM, EDS, XRD, BET, TGA, FT-IR and CV.
Description
Magister Scientiae - MSc
Keywords
Nanoparticles, Electrocatalysts, Porous Materials, Silica substrates, Mesoporous support, Carbons, Chemical Vapour Deposition, Platinum, Fuel cells, Hydrogen Production