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@ARTICLE{Heggen:825923,
      author       = {Heggen, Marc and Penner, Simon and Friedrich, Matthias and
                      Dunin-Borkowski, Rafal and Armbrüster, Marc},
      title        = {{F}ormation of {Z}n{O} {P}atches on {Z}n{P}d/{Z}n{O} during
                      {M}ethanol {S}team {R}eforming: {A} {S}trong
                      {M}etal-{S}upport {I}nteraction {E}ffect?},
      journal      = {The journal of physical chemistry / C},
      volume       = {120},
      number       = {19},
      issn         = {1932-7455},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {FZJ-2017-00202},
      pages        = {10460 - 10465},
      year         = {2016},
      abstract     = {The high CO2 selectivity of ZnPd/ZnO, an outstanding
                      catalyst in methanol steam reforming, was recently
                      attributed to the interaction between small ZnO patches and
                      ZnPd particles. Yet, the detailed microstructure of this
                      catalytic system and the formation mechanism of the ZnO
                      patches inducing the high catalytic selectivity are unknown.
                      In this work, we uncover the formation mechanism of ZnO
                      patches using aberration-corrected electron microscopy,
                      electron energy loss spectroscopy, X-ray spectroscopy, and
                      in situ heating experiments. We show that Zn-rich regions in
                      chemically inhomogeneous ZnPd particles, penetrating the
                      particle surface, are capped by ZnO. It is demonstrated that
                      the ZnO patches form by direct oxidation of the particles
                      rather than by transport from the ZnO substrate, thus ruling
                      out a classical strong metal–support interaction (SMSI).},
      cin          = {PGI-5},
      ddc          = {540},
      cid          = {I:(DE-Juel1)PGI-5-20110106},
      pnm          = {143 - Controlling Configuration-Based Phenomena (POF3-143)},
      pid          = {G:(DE-HGF)POF3-143},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000376417500038},
      doi          = {10.1021/acs.jpcc.6b02562},
      url          = {https://juser.fz-juelich.de/record/825923},
}