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He, Qian; Miedziak, Peter John; Kesavan, Lokesh; Dimitratos, Nikolaos; Meenakshisundaram, Sankar; Lopez-Sanchez, Jose Antonio; Forde, Michael M.; Edwards, Jennifer Kelly; Knight, David William; Taylor, Stuart Hamilton; Kiely, Christopher John; Hutchings, Graham John (2013)
Publisher: Royal Society of Chemistry
Languages: English
Types: Article
Subjects: QD
Trimetallic Au–Pd–Pt nanoparticles have been supported on activated carbon by the sol-immobilisation method. They are found to be highly active and selective catalysts for the solvent-free aerobic oxidation of benzyl alcohol. The addition of Pt promotes the selectivity to the desired product benzaldehyde at the expense of toluene formation. Detailed aberration corrected STEM-XEDS analysis confirmed that the supported particles are indeed Au–Pd–Pt ternary alloys, but also identified composition fluctuations from particle-to-particle which vary systematically with nanoparticle size.
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