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@ARTICLE{Brett:863861,
      author       = {Brett, Calvin J. and Mittal, Nitesh and Ohm, Wiebke and
                      Gensch, Marc and Kreuzer, Lucas P. and Körstgens, Volker
                      and Månsson, Martin and Frielinghaus, Henrich and
                      Müller-Buschbaum, Peter and Söderberg, L. Daniel and Roth,
                      Stephan V.},
      title        = {{W}ater-{I}nduced {S}tructural {R}earrangements on the
                      {N}anoscale in {U}ltrathin {N}anocellulose {F}ilms},
      journal      = {Macromolecules},
      volume       = {52},
      number       = {12},
      issn         = {1520-5835},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {FZJ-2019-03832},
      pages        = {4721 - 4728},
      year         = {2019},
      abstract     = {Many nanoscale biopolymer building blocks with defect-free
                      molecular structure and exceptional mechanical properties
                      have the potential to surpass the performance of existing
                      fossil-based materials with respect to barrier properties,
                      load-bearing substrates for advanced functionalities, as
                      well as light-weight construction. Comprehension and control
                      of performance variations of macroscopic biopolymer
                      materials caused by humidity-driven structural changes at
                      the nanoscale are imperative and challenging. A long-lasting
                      challenge is the interaction with water molecules causing
                      reversible changes in the intrinsic molecular structures
                      that adversely affects the macroscale performance. Using in
                      situ advanced X-ray and neutron scattering techniques, we
                      reveal the structural rearrangements at the nanoscale in
                      ultrathin nanocellulose films with humidity variations.
                      These reversible rearrangements are then correlated with
                      wettability that can be tuned. The results and methodology
                      have general implications not only on the performance of
                      cellulose-based materials but also for hierarchical
                      materials fabricated with other organic and inorganic
                      moisture-sensitive building blocks.},
      cin          = {JCNS-FRM-II / JCNS-1},
      ddc          = {540},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-1-20110106},
      pnm          = {6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for
                      Neutron Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4},
      experiment   = {EXP:(DE-MLZ)KWS1-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000473248200034},
      doi          = {10.1021/acs.macromol.9b00531},
      url          = {https://juser.fz-juelich.de/record/863861},
}