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@ARTICLE{Grasmik:858613,
      author       = {Grasmik, V. and Rurainsky, C. and Loza, Kateryna and Evers,
                      M. V. and Prymak, O. and Heggen, Marc and Tschulik, K. and
                      Epple, M.},
      title        = {{D}eciphering the surface composition and the internal
                      structure of alloyed silver-gold nanoparticles},
      journal      = {Chemistry - a European journal},
      volume       = {24},
      number       = {36},
      issn         = {0947-6539},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2018-07473},
      pages        = {9051 - 9060},
      year         = {2018},
      abstract     = {Spherical bimetallic AgAu nanoparticles in the molar ratios
                      30:70, 50:50, and 70:30 with diameters of 30 to 40 nm were
                      analyzed together with pure silver and gold nanoparticles of
                      the same size. Dynamic light scattering (DLS) and
                      differential centrifugal sedimentation (DCS) were used for
                      size determination. Cyclic voltammetry (CV) was used to
                      determine the nanoalloy composition, together with atomic
                      absorption spectroscopy (AAS), energy‐dispersive X‐ray
                      spectroscopy (EDX) and ultraviolet‐visible (UV/Vis)
                      spectroscopy. Underpotential deposition (UPD) of lead (Pb)
                      on the particle surface gave information about its spatial
                      elemental distribution and surface area. Scanning electron
                      microscopy (SEM), transmission electron microscopy (TEM),
                      and atomic force microscopy (AFM) were applied to study the
                      shape and the size of the nanoparticles. X‐ray powder
                      diffraction gave the crystallite size and the microstrain.
                      The particles form a solid solution (alloy) with an
                      enrichment of silver on the nanoparticle surface, including
                      some silver‐rich patches. UPD indicated that the surface
                      only consists of silver atoms.},
      cin          = {PGI-5},
      ddc          = {540},
      cid          = {I:(DE-Juel1)PGI-5-20110106},
      pnm          = {143 - Controlling Configuration-Based Phenomena (POF3-143)},
      pid          = {G:(DE-HGF)POF3-143},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:29522654},
      UT           = {WOS:000436245300016},
      doi          = {10.1002/chem.201800579},
      url          = {https://juser.fz-juelich.de/record/858613},
}