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@ARTICLE{Eichel:139491,
      author       = {Eichel, Rüdiger-A. and Jakes, Peter and Jensen,
                      Christopher and Slageren, Joris van and Roduner, Emil},
      title        = {{S}upport {E}ffects on {H}ydrogen {D}esorption, {I}sotope
                      {E}xchange, {C}hemical {R}eactivity, and {M}agnetism of
                      {P}latinum {N}anoclusters in {KL} {Z}eolite},
      journal      = {The journal of physical chemistry / C},
      volume       = {117},
      issn         = {1932-7447},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {FZJ-2013-05475},
      pages        = {22732−22745},
      year         = {2013},
      abstract     = {ABSTRACT: Platinum clusters were prepared by ion exchange
                      of a KL zeolite, followed by oxygen calcination and hydrogen
                      reduction, and characterized by electron paramagnetic
                      resonance (EPR) and hyperfine sublevel correlation
                      experiment (HYSCORE) spectroscopy. Simulations indicate that
                      the cluster contains 12 equivalent platinum atoms.
                      Therefore, the most likely structure is an icosahedral or
                      cuboctahedral magic number Pt13 cluster with 12 platinum
                      atoms at the surface. One atom in the center possesses only
                      a small spin density. H/D desorption and readsorption
                      experiments monitored via EPR and HYSCORE measurements
                      provide information about the structure of the clusters and
                      about the reversibility of the adsorption/desorption and
                      isotope exchange process. Deuterium desorption experiments
                      result in a value of 2.1 ± 0.2 eV for the D2 desorption
                      energy of the Pt13 clusters dispersed in KL zeolite. This is
                      more than double of the value for a (111) Pt single-crystal
                      surface, revealing a finite size and/or support effect.
                      Oxygen adsorption on deuterium-covered Pt13 clusters did not
                      show a vigorous oxyhydrogen reaction. It appears that the
                      reaction is inhibited by the deuterium coverage.},
      cin          = {IEK-9},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-9-20110218},
      pnm          = {123 - Fuel Cells (POF2-123) / 152 - Renewable Energies
                      (POF2-152)},
      pid          = {G:(DE-HGF)POF2-123 / G:(DE-HGF)POF2-152},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000326845400032},
      doi          = {10.1021/jp406303x},
      url          = {https://juser.fz-juelich.de/record/139491},
}