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@ARTICLE{Polani:890165,
      author       = {Polani, Shlomi and Shviro, Meital and Shokhen, Victor and
                      Zysler, Melina and Glüsen, Andreas and Dunin-Borkowski,
                      Rafal and Carmo, Marcelo and Zitoun, David},
      title        = {{S}ize dependent oxygen reduction and methanol oxidation
                      reactions: catalytic activities of {P}t{C}u octahedral
                      nanocrystals},
      journal      = {Catalysis science $\&$ technology},
      volume       = {10},
      number       = {16},
      issn         = {2044-4761},
      address      = {London},
      publisher    = {RSC Publ.},
      reportid     = {FZJ-2021-00754},
      pages        = {5501 - 5512},
      year         = {2020},
      abstract     = {The synthetic control through colloidal synthesis led to a
                      remarkable increase in platinum mass activity in octahedral
                      nanocrystals with a Pt-rich surface. In this manuscript, we
                      demonstrate that the ratio of surfactant can tune the size
                      of Pt surface enriched PtCu nano-octahedra from 8 to 18 nm
                      with homogeneous size and shape on the carbon support. For
                      the nano-octahedra, the Pt-rich surface has been determined
                      by high-angle annular dark field scanning transmission
                      electron microscopy and energy-dispersive X-ray
                      spectroscopy. The Pt-rich surface exhibits an increasing
                      compressive strain with increasing surface of the {111}
                      facets. With increasing surface, the PtCu nano-octahedra
                      display higher oxygen reduction reaction (ORR) activity,
                      which however leads to higher onset over-potentials in the
                      methanol oxidation reaction (MOR) and CO-stripping. This
                      observed trend for a series of size-selected nano-octahedra
                      demonstrates the benefits of controlling the strained {111}
                      Pt surface for the ORR and MOR activity.},
      cin          = {IEK-14 / ER-C-1},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-14-20191129 / I:(DE-Juel1)ER-C-1-20170209},
      pnm          = {134 - Electrolysis and Hydrogen (POF3-134)},
      pid          = {G:(DE-HGF)POF3-134},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000560593800010},
      doi          = {10.1039/D0CY00772B},
      url          = {https://juser.fz-juelich.de/record/890165},
}