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Pt3Co Concave Nanocubes: Synthesis,Formation Understanding,and Enhanced Catalytic Activity toward Hydrogenation of Styrene
Authors:Chenyu Wang  Dr. Cuikun Lin  Dr. Lihua Zhang  Dr. Zewei Quan  Dr. Kai Sun  Dr. Bo Zhao  Dr. Feng Wang  Nathan Porter  Dr. Yuxuan Wang  Prof. Dr. Jiye Fang
Affiliation:1. Department of Chemistry, State University of New York at Binghamton, Binghamton, New York 13902 (USA), Fax: (+1)?607‐777‐4478;2. Department of Chemistry, University of South Dakota, Vermillion, South Dakota 57069 (USA);3. Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973 (USA);4. Present address: EES‐14 and MPA‐MSID, Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (USA);5. Department of Materials Science and Engineering, University of Michigan, Ann Arbor, Michigan 48109 (USA);6. Department of Sustainable Energy Technology, Brookhaven National Laboratory, Upton, New York 11973 (USA);7. Materials Science and Engineering Program, State University of New York at Binghamton, Binghamton, New York 13902 (USA)
Abstract:We report a facile synthesis route to prepare high‐quality Pt3Co nanocubes with a concave structure, and further demonstrate that these concave Pt3Co nanocubes are terminated with high‐index crystal facets. The success of this preparation is highly dependent on an appropriate nucleation process with a successively anisotropic overgrowth and a preservation of the resultant high‐index planes by control binding of oleyl‐amine/oleic acid with a fine‐tuned composition. Using a hydrogenation of styrene as a model reaction, these Pt3Co concave nanocubes as a new class of nanocatalysts with more open structure and active atomic sites located on their high‐index crystallographic planes exhibit an enhanced catalytic activity in comparison with low‐indexed surface terminated Pt3Co nanocubes in similar size.
Keywords:anisotropic overgrowth  catalytic activity  hydrogenation  nanostructures  platinum
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