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@ARTICLE{Su:30245,
      author       = {Su, G. and Zhang, M. and Wan, L. and Bai, C. and
                      Wandlowski, T.},
      title        = {{P}otential-{I}nduced {P}hase {T}ransition of {T}rimesic
                      {A}cid {A}dlayer on {A}u(111)},
      journal      = {The journal of physical chemistry / B},
      volume       = {108},
      issn         = {1520-6106},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {PreJuSER-30245},
      pages        = {1931 - 1973},
      year         = {2004},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Potential-induced phase transition of trimesic acid (TMA,
                      C6H3(COOH)(3)) on a Au(111) electrode was investigated by in
                      situ scanning tunneling microscopy (STM) and cyclic
                      voltammetry. A pair of peaks, ascribed to structural
                      transformation was observed in the cyclic voltammograms
                      (CVs) of Au(111) in 0.1 M HClO4 + 0.1 mM TMA. The magnitude
                      of the peaks decreased with increasing solution pH. On the
                      basis of highresolution STM images in 0.1 M HClO4, it is
                      proposed that TMA molecules assume a flat-lying and a
                      vertical orientation at 0.25 and 0.85 V, respectively. The
                      coexistence of the two orientations was observed at 0.65 V.
                      The discovered adlayer phases could be represented by (4x4),
                      (5x2root3), and (2root3x 4root3) or (7x2root3) structures.
                      Intriguingly, it is found that TMA molecules bind on Au
                      substrate with one and two deprotonated carboxyl groups with
                      potential shifting, even though the molecules take the same
                      vertical orientation. On the basis of the STM observation,
                      structural models for various adlayers are proposed.
                      Comparing the STM results with those of cyclic voltammetry,
                      we conclude that the potential- induced phase transitions in
                      0.1 M HClO4 solution result from the interfacial
                      deprotonation/protonation of the TMA molecules.},
      keywords     = {J (WoSType)},
      cin          = {ISG-3},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB43},
      pnm          = {Materialien, Prozesse und Bauelemente für die Mikro- und
                      Nanoelektronik},
      pid          = {G:(DE-Juel1)FUEK252},
      shelfmark    = {Chemistry, Physical},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000188831700020},
      doi          = {10.1021/jp035095g},
      url          = {https://juser.fz-juelich.de/record/30245},
}