© 2015 Cardiff Scientific Society

Abstract



A key discovery in the last two decades has been the identification that gold, when prepared as supported nanoparticles, is exceptionally effective as an oxidation catalyst. To some extent this observation is counter intuitive since gold surfaces do not interact with oxygen, nor do they corrode. Gold is known as an immutable material, much prized for its beauty and value, which, for many years, has diverted attention from its intrinsic high reactivity as a catalyst.


Recently, there has been an explosion of interest in gold as a catalyst and several hundred papers and tens of patents are being published annually and gold catalysis is now a major topic worldwide. This presentation will explore this exciting new field and present some of the latest developments using supported gold and gold/palladium nanoparticles as catalysts.   




Catalysis by Gold


Prof. Graham Hutchings FRS
Director, Cardiff Catalysis Institute, School of Chemistry, Cardiff University

6 th October 2010

Large Chemistry Lecture Theatre, Cardiff University


Direct Conversion Au-Pd nanoparticles, typically smaller than 10 nm in diameter, on an acid-treated activated carbon support can hydrogenate O 2 into H 2 2O 2 2  while producing little H 2 2O. Carbon support is gray, Au is yellow, Pd is blue, O is red, and H is white.