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@ARTICLE{NilssonPingel:842561,
      author       = {NilssonPingel, Torben and Fouladvand, Sheedeh and Heggen,
                      Marc and Dunin-Borkowski, Rafal and Jäger, Wolfgang and
                      Westenberger, Peter and Phifer, Daniel and McNeil, Jace and
                      Skoglundh, Magnus and Grönbeck, Henrik and Olsson, Eva},
      title        = {{T}hree-{D}imensional {P}robing of {C}atalyst {A}geing on
                      {D}ifferent {L}ength {S}cales: {A} {C}ase {S}tudy of
                      {C}hanges in {M}icrostructure and {A}ctivity for {CO}
                      {O}xidation of a {P}t-{P}d/{A}l 2 {O} 3 {C}atalyst},
      journal      = {ChemCatChem},
      volume       = {9},
      number       = {18},
      issn         = {1867-3880},
      address      = {Weinheim},
      publisher    = {WILEY-VCH Verlag},
      reportid     = {FZJ-2018-00780},
      pages        = {3544 - 3553},
      year         = {2017},
      abstract     = {The effects of thermal treatment on the microstructure of a
                      Pt–Pd/Al2O3 oxidation catalyst and its activity for CO
                      oxidation have been studied. The microstructural analysis
                      was performed by using several high-resolution electron
                      microscopy techniques such as STEM, FIB/SEM slice $\&$ view,
                      SEM and EDX. A combination of these analytic techniques and
                      advanced TEM specimen preparation allowed for
                      three-dimensional probing at different length scales,
                      avoiding the random character of conventionally crushed
                      powder specimens owing to site specificity. A core–shell
                      distribution of Pt–Pd nanoparticles within the alumina
                      support particles, with enlarged nanoparticles (≈1.5 to
                      40 nm) present in the shell and small nanoparticles
                      (<1.5 nm) in the core, was revealed in the untreated
                      catalyst. A more uniform spatial distribution developed
                      during thermal treatment at 700 °C or higher with larger
                      nanoparticles forming in the core. Accompanying measurements
                      of the catalytic activity for CO oxidation showed the
                      detrimental effect of sintering of the small nanoparticles
                      on the reaction rate and apparent activation energy of the
                      reaction.},
      cin          = {ER-C-1},
      ddc          = {540},
      cid          = {I:(DE-Juel1)ER-C-1-20170209},
      pnm          = {143 - Controlling Configuration-Based Phenomena (POF3-143)},
      pid          = {G:(DE-HGF)POF3-143},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000411499300014},
      doi          = {10.1002/cctc.201700479},
      url          = {https://juser.fz-juelich.de/record/842561},
}