Hydroxyapatite-supported palladium nanoclusters: a highly active heterogeneous catalyst for selective oxidation of alcohols by use of molecular oxygen.

@article{Mori2004HydroxyapatitesupportedPN,
  title={Hydroxyapatite-supported palladium nanoclusters: a highly active heterogeneous catalyst for selective oxidation of alcohols by use of molecular oxygen.},
  author={Kohsuke Mori and Takayoshi Hara and Tomoo Mizugaki and Kohki Ebitani and Kiyotomi Kaneda},
  journal={Journal of the American Chemical Society},
  year={2004},
  volume={126 34},
  pages={10657-66}
}
Treatment of a stoichiometric hydroxyapatite (HAP), Ca10(PO4)6(OH)2, with PdCl2(PhCN)2 gives a new type of palladium-grafted hydroxyapatite. Analysis by means of powder X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), energy-dispersive X-ray (EDX), IR, and Pd K-edge X-ray absorption fine structure (XAFS) proves that a monomeric PdCl2 species is chemisorbed on the HAP surface, which is readily transformed into Pd nanoclusters with a narrow size distribution in the presence of… CONTINUE READING
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