Preparation of nanocomposite materials from mercaptoacetate-modified platinum nanoparticles and a layered nickel hydroxyacetate salt |
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Authors: | Lorette Sicard Souad Ammar Claire Mangeney Guillaume Viau |
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Affiliation: | a ITODYS (UMR 7086) Université Paris-Diderot, Bâtiment Lavoisier, 15 rue Jean-Antoine de Baïf, 75205 Paris Cedex 13, France b LPCNO (UMR 5215), INSA Toulouse, 135 avenue de Rangueil, 31077 Toulouse, France |
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Abstract: | Nanocomposites were prepared by a very simple route from preformed platinum particles and a nickel layered hydroxide salt (LHS), these compounds being first synthesized separately by the polyol process. The nanoparticles were treated with mercaptoacetate before being brought into contact with the lamellar compound. XPS and IR spectroscopies give clear evidence for interactions between the platinum nanoparticles and the mercaptoacetate species. XRD, TEM and magnetic characterizations show that the structure of the nickel hydroxide layers is retained and that some of the LHS sheets contain incorporated nanoparticles. |
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Keywords: | A. Layered compounds A. Composites B. Intercalation reactions |
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