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Synthesis and Solid-State Structure of a Pt-Ru-P Ternary Metal Phosphide (PtRuP2) as a Carbon Nanocomposite

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Reactive thermal degradation of Pt(PPh3)(Cl)(2-Cl)2 Ru(Cl)(3:3-C10H16)/Vulcan carbon powder composites gives a nanocomposite powder containing nanocrystals of the expected PtRu alloy phase along with nanocrystals of an unknown substance. Yields of the unknown phase increase when PPh3 is added to the composite prior to thermal treatment. The new substance has been identified as a ternary metal phosphide, PtRuP2. Full-profile Rietveld analysis of the XRD pattern of this phase is consistent with a primitive Pm3m cubic unit cell (CsCl-type) having a cell constant of 2.78 Å. Fully disordered Pt and Ru atoms occupy the (0 0 0) atomic positions with P atoms occupying interstitial sites at the (1/2 1/2 1/2) atomic positions.


Document Type: Research Article


Publication date: 2008-06-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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