Sweet, Sugar-Coated Hierarchical Platinum Nanostructures for Easy Support, Heterogenization and Separation

Metal nanoparticles are increasingly gaining interest in the field of heterogeneous catalysis. Here, we present a novel strategy for synthesizing sugar-coated platinum nanostructures (SC-Pt-NS) from carbohydrates sucrose and D(-)-fructose. In synthesis mixture H2PtCl6·6H2O, carbohydrate an ionic liquid (IL) yielded primary particles homogeneous average size ~10 nm, which were aggregated to hierarchical Pt ~40–65 nm surrounded or supported by carbohydrate. These facile way support heterogenize nanoparticles, avoid leaching enable easier separation handling. The catalytic activity SC-Pt-NS was shown hydrosilylation test reaction phenylacetylene with triethylsilane, where very high turnover frequency (TOF) values up 87,200 h−1 could be achieved, while metal into product low.