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@ARTICLE{Li:46889,
      author       = {Li, Z. and Han, B. and Wan, L. J. and Wandlowski, Th.},
      title        = {{S}upramolecular {N}anostructures of
                      1,3,5-{B}enzene-tricarboxylic {A}cid at {E}lectrified
                      {A}u(111)/0.05 {M} {H}2{SO}4 {I}nterfaces - {A}n in-situ
                      {S}canning {T}unneling {M}icroscopy {S}tudy},
      journal      = {Langmuir},
      volume       = {21},
      issn         = {0743-7463},
      address      = {Washington, DC},
      publisher    = {ACS Publ.},
      reportid     = {PreJuSER-46889},
      pages        = {6915 - 6928},
      year         = {2005},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The potential-induced adsorption and self-assembly of
                      1,3,5-benzene-tricarboxylic acid (TMA) was investigated at
                      the electrified Au(111)/0.05 M H2SO4 interface by in-situ
                      scanning tunneling microscopy (STM) and surface enhanced
                      infrared reflection absorption spectroscopy (SEIRAS) in
                      combination with electrochemical techniques. Depending on
                      the applied electric field, TMA forms five distinctly
                      different, highly ordered supramolecular adlayers on Au(111)
                      surfaces. We have elucidated their real-space structures at
                      the molecular scale. In the potential range -0.25 V < E <
                      0.20 V, planar-oriented TMA molecules form a hexagonal
                      open-ring honeycomb structure, Ia, a hydrogen-bonded
                      ribbon-type phase, Ib, and a herringbone-type phase, Ic,
                      stabilized by directional hydrogen bonding and weak
                      substrate-adsorbate interactions. Interfacial water
                      molecules are being replaced. In 0.20 V < or = E < 0.40 V,
                      e.g., around the potential of zero charge, and at slightly
                      higher coverages, a close-packed physisorbed adlayer of
                      hydrogen-bonded TMA dimers, II, was observed. Further
                      increase of the electrode potential to positive charge
                      densities causes an orientation change from planar to
                      upright. An initially disordered phase, IIIa, transforms
                      into an ordered, stripelike chemisorbed adlayer, IIIb, of
                      perpendicularly oriented TMA molecules. One carboxylate
                      group per molecule is bound to the electrode surface, while
                      the two other protonated carboxyl groups are directed toward
                      the electrolyte and act as structure-determining components
                      of a hydrogen-bonded two-dimensional ladder-type network.
                      Structural transitions between the various types of ordered
                      molecular adlayers are attributed to (hole) nucleation and
                      growth processes.},
      keywords     = {J (WoSType)},
      cin          = {ISG-3 / CNI},
      ddc          = {670},
      cid          = {I:(DE-Juel1)VDB43 / I:(DE-Juel1)VDB381},
      pnm          = {Materialien, Prozesse und Bauelemente für die Mikro- und
                      Nanoelektronik},
      pid          = {G:(DE-Juel1)FUEK252},
      shelfmark    = {Chemistry, Multidisciplinary / Chemistry, Physical /
                      Materials Science, Multidisciplinary},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:16008404},
      UT           = {WOS:000230507400037},
      doi          = {10.1021/la0507737},
      url          = {https://juser.fz-juelich.de/record/46889},
}