In this contribution, we report the successful preparation of supported metal catalysts using dendrimer-encapsulated Pt nanoparticles as metal precursors. Polyamidoamine (PAMAM) dendrimers were first used to template and stabilize Pt nanoparticles prepared in solution. These dendrimer-encapsulated nanoparticles were then deposited onto a commercial high surface area silica support and thermally activated to remove the organic dendrimer. The resulting materials are active oxidation and hydrogenation catalysts. The effects of catalyst preparation and activation on activity for toluene hydrogenation and CO oxidation catalysis are discussed.
Document Object Identifier (DOI)
American Chemical Society
Lang, H., May, R. A., Iversen, B. L., & Chandler, B. D. (2003). Dendrimer-encapsulated nanoparticle precursors to supported platinum catalysts. Journal of the American Chemical Society, 125(48), 14832-14836
Journal of the American Chemical Society