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@ARTICLE{Gupta:203398,
      author       = {Gupta, Sudipta and Camargo, Manuel and Stellbrink, Jörg
                      and Allgaier, J. and Radulescu, Aurel and Lindner, Peter and
                      Zaccarelli, Emanuela and Likos, Christos N. and Richter,
                      Dieter},
      title        = {{D}ynamic phase diagram of soft nanocolloids},
      journal      = {Nanoscale},
      volume       = {7},
      number       = {33},
      issn         = {2040-3372},
      address      = {Cambridge},
      publisher    = {RSC Publ.},
      reportid     = {FZJ-2015-05341},
      pages        = {13924 - 13934},
      year         = {2015},
      abstract     = {We present a comprehensive experimental and theoretical
                      study covering micro-, meso- and macroscopic length and time
                      scales, which enables us to establish a generalized view in
                      terms of structure–property relationship and equilibrium
                      dynamics of soft colloids. We introduce a new, tunable block
                      copolymer model system, which allows us to vary the
                      aggregation number, and consequently its softness, by
                      changing the solvophobic-to-solvophilic block ratio (m : n)
                      over two orders of magnitude. Based on a simple and general
                      coarse-grained model of the colloidal interaction potential,
                      we verify the significance of interaction length σint
                      governing both structural and dynamic properties. We put
                      forward a quantitative comparison between theory and
                      experiment without adjustable parameters, covering a broad
                      range of experimental polymer volume fractions (0.001 ≤ ϕ
                      ≤ 0.5) and regimes from ultra-soft star-like to hard
                      sphere-like particles, that finally results in the dynamic
                      phase diagram of soft colloids. In particular, we find
                      throughout the concentration domain a strong correlation
                      between mesoscopic diffusion and macroscopic viscosity,
                      irrespective of softness, manifested in data collapse on
                      master curves using the interaction length σint as the only
                      relevant parameter. A clear reentrance in the glass
                      transition at high aggregation numbers is found, recovering
                      the predicted hard-sphere (HS) value in the hard-sphere like
                      limit. Finally, the excellent agreement between our new
                      experimental systems with different but already established
                      model systems shows the relevance of block copolymer
                      micelles as a versatile realization of soft colloids and the
                      general validity of a coarse-grained approach for the
                      description of the structure and dynamics of soft colloids.},
      cin          = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
                      (München) ; JCNS-FRM-II / Neutronenstreuung ; JCNS-1 /
                      ICS-1},
      ddc          = {600},
      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) /
                      6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for
                      Neutron Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-6215 / G:(DE-HGF)POF3-6G15 /
                      G:(DE-HGF)POF3-6G4},
      experiment   = {EXP:(DE-MLZ)KWS1-20140101 / EXP:(DE-MLZ)KWS2-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000359546900015},
      pubmed       = {pmid:26219628},
      doi          = {10.1039/C5NR03702F},
      url          = {https://juser.fz-juelich.de/record/203398},
}