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@ARTICLE{Greben:203497,
      author       = {Greben, Kyrylo and Li, Pinggui and Mayer, Dirk and
                      Offenhäusser, Andreas and Wördenweber, Roger},
      title        = {{I}mmobilization and {S}urface {F}unctionalization of
                      {G}old {N}anoparticles {M}onitored via {S}treaming
                      {C}urrent/{P}otential {M}easurements},
      journal      = {The journal of physical chemistry / B},
      volume       = {119},
      number       = {19},
      issn         = {1520-5207},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {FZJ-2015-05418},
      pages        = {5988 - 5994},
      year         = {2015},
      abstract     = {A streaming current/potential method is optimized and used
                      for the analysis of the variation of the surface potential
                      upon chemical modifications of a complex interface
                      consisting of different organic molecules and gold
                      nanoparticles (AuNPs). The surfaces of Si/SiO2 substrates
                      modified with 3-aminopropyltriethoxysilane (APTES), AuNPs,
                      and 11-amino-1-undecanethiol (aminothiols) are analyzed via
                      pH and time dependent zeta potential measurements that
                      reveal the stability and modification of the surface and
                      identify crucial parameters for each individual preparation
                      step. For instance, surface activation and especially
                      molecular adsorbate layers tend not to be stable in time,
                      whereas the substrate and the AuNPs provide a stable surface
                      potential as long as impurities are avoided. It is shown
                      that the streaming potential/current technique represents an
                      ideal tool to analyze and monitor the complex surfaces and
                      their modification.},
      cin          = {PGI-8 / ICS-8 / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-8-20110106 / I:(DE-Juel1)ICS-8-20110106 /
                      $I:(DE-82)080009_20140620$},
      pnm          = {523 - Controlling Configuration-Based Phenomena (POF3-523)},
      pid          = {G:(DE-HGF)POF3-523},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000354911300006},
      doi          = {10.1021/acs.jpcb.5b02615},
      url          = {https://juser.fz-juelich.de/record/203497},
}