We demonstrate second and sub-second time resolved energy dispersive EXAFS (EDE) for in situ interrogation of phase changes in a supported metal catalyst precursor [(⩽5 wt%) Pt(acac)2/HI SiO2] during thermal decomposition and reduction; the formation of Pt particles is radically altered by the presence H2, in both kinetic and structural senses.
S. G. Fiddy, M. A. Newton, J. M. Corker, S. Turin, T. Campbell, J. Evans, A. J. Dent and G. Salvini, Chem. Commun., 1999, 851 DOI: 10.1039/A900923J
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