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@ARTICLE{Chatzogiannakis:1048961,
      author       = {Chatzogiannakis, Dimitrios and Mygiakis, Emmanouil and
                      Dulle, Martin and Stiakakis, Emmanuel and Sakellariou,
                      Georgios and Glynos, Emmanouil},
      title        = {{M}acromolecular {A}rchitecture-{D}irected
                      {C}rystallization: {H}eterogeneous and {H}omogeneous
                      {C}rystallization in {M}iktoarm {S}tar {C}opolymers},
      journal      = {Macromolecules},
      volume       = {58},
      number       = {23},
      issn         = {0024-9297},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {FZJ-2025-05058},
      pages        = {12739–12746},
      year         = {2025},
      abstract     = {Understanding how polymer architecture affects
                      crystallization behavior is crucial for developing advanced
                      functional materials. In this study, we investigate a series
                      of miktoarm star-shaped copolymers composed of polystyrene
                      (PS) and poly(ethylene oxide) (PEO), with systematically
                      varied PEO content (18–86 wt $\%)$ and a fixed PS arm
                      length. Using differential scanning calorimetry (DSC),
                      polarized optical microscopy (POM), and small- and
                      wide-angle X-ray scattering (SAXS/WAXS), we elucidate how
                      intramolecular confinement within star-shaped architectures
                      influences crystallization. At high PEO content, a
                      core–shell morphology supports heterogeneous nucleation
                      and bulk-like spherulitic growth. As PEO content decreases,
                      homogeneous nucleation becomes dominant, and crystallinity
                      is significantly suppressed due to increased confinement and
                      reduced domain size. Our results demonstrate that molecular
                      architecture profoundly influences the nucleation mechanism,
                      crystallization temperature, and crystalline domain
                      structure in PS–PEO miktoarm copolymers, offering a
                      platform for tuning various properties of polymer
                      materials.},
      cin          = {IBI-4},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IBI-4-20200312},
      pnm          = {5241 - Molecular Information Processing in Cellular Systems
                      (POF4-524)},
      pid          = {G:(DE-HGF)POF4-5241},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1021/acs.macromol.5c02743},
      url          = {https://juser.fz-juelich.de/record/1048961},
}