Catalytic oxidations by metal nanoparticles: Pd, Au and AuPd core-shell nanoparticle catalysts

Selective aerobic oxidations are among the most important transformations in the manufacture of fine chemicals. Traditionally, these processes use stoichiometric reagents, such as permanganate and dichromate, and end up with a large amount of toxic waste. Currently, there is considerable pressure to replace these technologies with cleaner catalytic alternatives. Pd, Au and AuPd bimetallic nanoparticles have received special attention for their catalytic properties in oxidations. Bimetallic nanoparticles may have metallic domain distributions ranging from homogeneous alloys to core-shell nanoparticles. The production of differen