Electronic and atomic structure of platinum-cobalt nanocatalysts |
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| Authors: | A. V. Kozinkin V. G. Vlasenko O. V. Kulikova O. V. Shvachko Yu. A. Kozinkin L. L. Vysochina V. E. Guterman Ya. V. Zubavichus |
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| Affiliation: | 1.Institute of Physics,Southern Federal University,Rostov-on-Don,Russia;2.Chemical Department,Southern Federal University,Rostov-on-Don,Russia;3.KCSRNT,Russian Research Center “Kurchatov Institute,”,Moscow,Russia |
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| Abstract: | X-ray diffraction in combination with X-ray emission and EXAFS spectroscopy were used to study the electronic and atomic structure of metal nanoparticles stabilized on a carbon support in novel Pt x Co/C catalysts of different composition with the molar ratio Pt:Co (x) of 1 to 3. Cobalt atoms in nanoparticles, which average size was 2–4 nm, were shown to form chemical bonds both with platinum atoms and carbon atoms of the support material. |
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