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@ARTICLE{Dulle:186423,
      author       = {Dulle, Martin and Jaber, Sarah and Rosenfeldt, Sabine and
                      Radulescu, Aurel and Förster, Stephan and Mulvaney, Paul
                      and Karg, Matthias},
      title        = {{P}lasmonic gold–poly({N}-isopropylacrylamide)
                      core–shell colloids with homogeneous density profiles: a
                      small angle scattering study},
      journal      = {Physical chemistry, chemical physics},
      volume       = {17},
      number       = {2},
      issn         = {1463-9084},
      address      = {Cambridge},
      publisher    = {RSC Publ.},
      reportid     = {FZJ-2015-00499},
      pages        = {1354 - 1367},
      year         = {2015},
      abstract     = {Coating metal nanocrystals with responsive polymers
                      provides a model case of smart, functional materials, where
                      the optical properties can be modulated by external stimuli.
                      However the optical response is highly sensitive to the
                      polymer shell morphology, thickness and dielectric contrast.
                      In this paper we study the nature of cross-linked,
                      thermoresponsive polymer shells for the first time using
                      four different scattering approaches to elucidate the
                      density profile of the shells. Each scattering method
                      provides unique information about the temperature-induced
                      changes of shell thickness in terms of hydrodynamic radius
                      and radius of gyration, the pair-distance distribution
                      functions of the shells as well as the dynamic network
                      fluctuations. Only a combination of these different
                      scattering techniques allows to develop a morphological
                      model of the core–shell particles. We further demonstrate
                      control of the cross-linker distribution in core–shell
                      synthesis by semi-batch precipitation copolymerization.
                      Conducting the polymerization in three steps, we show for
                      the first time that the polymer shell thickness can be
                      successively increased without affecting the shell
                      morphology and response behavior.},
      cin          = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
                      (München) ; JCNS-FRM-II / Neutronenstreuung ; JCNS-1 /
                      ICS-1},
      ddc          = {540},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-1-20110106 / I:(DE-Juel1)ICS-1-20110106},
      pnm          = {6215 - Soft Matter, Health and Life Sciences (POF3-621) /
                      6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-6215 / G:(DE-HGF)POF3-6G4},
      experiment   = {EXP:(DE-MLZ)KWS1-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000346236000074},
      doi          = {10.1039/C4CP04816D},
      url          = {https://juser.fz-juelich.de/record/186423},
}