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@ARTICLE{Song:865239,
      author       = {Song, Lin and Rawolle, Monika and Hohn, Nuri and Gutmann,
                      Jochen S. and Frielinghaus, Henrich and Müller-Buschbaum,
                      Peter},
      title        = {{I}n {S}itu {M}onitoring {M}esoscopic {D}eformation of
                      {N}anostructured {P}orous {T}itania {F}ilms {C}aused by
                      {W}ater {I}ngression},
      journal      = {ACS applied materials $\&$ interfaces},
      volume       = {11},
      number       = {35},
      issn         = {1944-8252},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {FZJ-2019-04770},
      pages        = {32552 - 32558},
      year         = {2019},
      abstract     = {Nanostructured porous titania films are used in many energy
                      related applications. In this work, the temporal evolution
                      of the mesoscopic deformation of mesoporous titania films
                      synthesized via block copolymer assisted sol-gel chemistry
                      is investigated with in situ grazing incidence small-angle
                      neutron scattering (GISANS) during exposure to D2O vapor.
                      Two types of mesoporous titania films are compared, which
                      have a different degree of structural stability, depending
                      on the applied annealing temperature (400 °C versus 600
                      °C) in nitrogen atmosphere. Water ingression causes a
                      gradual structure deformation in terms of decreasing
                      center-to-center distances and broadening of the size
                      distribution of the titania nanostructures. Based on the
                      evolution of the mesopore size obtained from in situ GISANS
                      measurements, the results show that structures synthesized
                      at lower temperature undergo a stronger deformation due to
                      the lower elastic modulus originating from larger pores,
                      despite having a higher degree of order.},
      cin          = {JCNS-FRM-II / JCNS-1},
      ddc          = {600},
      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},
      pubmed       = {pmid:31397150},
      UT           = {WOS:000484831100108},
      doi          = {10.1021/acsami.9b10750},
      url          = {https://juser.fz-juelich.de/record/865239},
}