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@ARTICLE{Wandlowski:30246,
      author       = {Wandlowski, T. and Ataka, K. and Pronkin, S. and Diesing,
                      D.},
      title        = {{S}urface {E}nhanced {I}nfrared {S}pectroscopy -
                      {A}u(111-20nm)/{S}ulphuric {A}cid - {N}ew {A}spects and
                      {C}hallanges},
      journal      = {Electrochimica acta},
      volume       = {49},
      issn         = {0013-4686},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {PreJuSER-30246},
      pages        = {1233 - 1247},
      year         = {2004},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The structure and orientation of water molecules on Au(1 1
                      1-20nm) film electrodes in contact with aqueous sulphuric
                      acid solution was studied by surface enhanced infrared
                      reflection-absorption spectroscopy (SEIRAS) employing an
                      attenuated total reflection (ATR) configuration (ATR-SEIRAS)
                      with a vertical spectroelectrochemical cell. The spectrum of
                      interfacial water is strongly dependent on electrode
                      potential, ionic strength and pH. Coadsorption of hydronium
                      ions with weakly hydrogen-bonded water molecules was found
                      at E < E-pzc. At E > E-pzc strong hydrogen-bonding among
                      water molecules and to coadsorbed sulphate species exists.
                      Based on pH-dependent electrochemical, spectroscopic and in
                      situ STM investigations, a new model is suggested to
                      represent the ordered (root3 x root7) adlayer at maximum
                      sulphate coverage theta = 0.2: a Zundel or hydrated
                      hydronium ion H5O2+, in which one proton is shared between
                      two water molecules, bridges adjacent sulphate species via
                      hydrogen-bonds along the main diagonal of the (root3 x
                      root7) unit cell. This alternating arrangement gives rise to
                      a long-range ordered, 2D network of sulphate and water
                      species interconnected by hydrogen-bonds, and capable to
                      form hydrogen-bonds with second-layer water species. The
                      suggested model is consistent with all experimental
                      observations as well as predictions from quantum-chemical
                      and molecular dynamic simulations. (C) 2003 Elsevier Ltd.
                      All rights reserved.},
      keywords     = {J (WoSType)},
      cin          = {ISG-3},
      ddc          = {540},
      cid          = {I:(DE-Juel1)VDB43},
      pnm          = {Materialien, Prozesse und Bauelemente für die Mikro- und
                      Nanoelektronik},
      pid          = {G:(DE-Juel1)FUEK252},
      shelfmark    = {Electrochemistry},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000189226200006},
      doi          = {10.1016/j.electacta.2003.06.002},
      url          = {https://juser.fz-juelich.de/record/30246},
}