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@PHDTHESIS{Li:58756,
      author       = {Li, Zhihai},
      title        = {{S}elf-assembly and {L}ocal {F}unctionality at
                      {A}u/{E}lectrolyte {I}nterfaces: {A}n in-situ {S}canning
                      {T}unneling {M}icroscopy {A}pproach},
      volume       = {16},
      school       = {RWTH Aachen},
      type         = {Dr. (Univ.)},
      address      = {Jülich},
      publisher    = {Forschungszentrum Jülich GmbH Zentralbibliothek, Verlag},
      reportid     = {PreJuSER-58756},
      isbn         = {978-3-89336-482-4},
      series       = {Schriften des Forschungszentrums Jülich. Reihe
                      Informationstechnik / Information Technology},
      pages        = {VIII, 135 S.},
      year         = {2007},
      note         = {Record converted from VDB: 12.11.2012; RWTH Aachen, Diss.,
                      2007},
      abstract     = {The integration of molecular structures in electronic
                      circuits is currently an active field of fundamental
                      research inspired by the visionary concepts of moleculebased
                      electronics. The bottom-up approach, based on the
                      self-assembly of functional molecular building blocks into
                      more complex architectures, represents an attractive
                      alternative to silicon-based nanoelectronics. Basic concepts
                      and strategies of twodimensional self-assembly and electron
                      transport in tailored nanostructures can be also addressed
                      and explored at electrified solid/liquid interfaces
                      employing the electrolyte as an “electrochemical gate”.
                      In this dissertation, we applied electrochemical
                      $\underline{S}$canning $\underline{T}$unneling
                      $\underline{M}$icroscopy and $\underline{S}$pectroscopy (STM
                      and STS) in combination with $\underline{C}$yclic
                      $\underline{V}$oltammetry (CV) and $\underline{S}$urface
                      $\underline{E}$nhanced $\underline{I}$nfrared
                      $\underline{R}$eflection $\underline{A}$bsorption
                      $\underline{S}$pectroscopy (SEIRAS) to investigated the
                      two-dimensional (2D) assembly of aromatic carboxylic acids
                      triggered by directional hydrogen bond and
                      substrate–adsorbate coordination, and structure as well as
                      electron transfer properties of redox-active
                      thioalkylviologen derivatives at electrified gold/aqueous
                      electrolyte interfaces. First, the steady state and kinetic
                      processes of self-assembled adlayers of carboxylic acids
                      were investigated on Au(111)/electrolyte interfaces. The
                      target molecules include trimesic acid (TMA), isophthalic
                      acid (IA), terephthalic acid (TA) and benzoic acid (BA).
                      Five distinctly different 2D self-assembled nanostructures
                      of TMA were created by tuning the applied electrode
                      potential. The properties of these adlayers have been
                      elucidated at the molecular level by in situ STM. Four
                      different ordered adlayers of planar-oriented molecules,
                      which are labeled as honeycomb structures, a ribbon-type
                      phase, a herringbone-type phase and hydrogen-bonded dimers
                      were found in the potential range -0.250 V ≤ E ≤ 0.400
                      V, i.e. at an uncharged or slightly negatively charged
                      Au(111) electrode. The structure transitions are in all
                      cases triggered by increasing the electrode potential.
                      Further increase of the electrode potential to positive
                      charge densities, i.e. E > 0.400 V, causes an orientation
                      change from planar to upright. An initially disordered
                      [...]},
      cin          = {IBN-3 / CNI / JARA-FIT},
      ddc          = {620},
      cid          = {I:(DE-Juel1)VDB801 / I:(DE-Juel1)VDB381 /
                      $I:(DE-82)080009_20140620$},
      pnm          = {Grundlagen für zukünftige Informationstechnologien},
      pid          = {G:(DE-Juel1)FUEK412},
      typ          = {PUB:(DE-HGF)11 / PUB:(DE-HGF)3},
      url          = {https://juser.fz-juelich.de/record/58756},
}