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@ARTICLE{Hummel:861058,
      author       = {Hummel, Miriam and Stelling, Christian and Kopera, Bernd A.
                      F. and Nutz, Fabian A. and Karg, Matthias and Retsch, Markus
                      and Förster, Stephan},
      title        = {{O}rdered {P}article {A}rrays via a {L}angmuir {T}ransfer
                      {P}rocess: {A}ccess to {A}ny {T}wo-{D}imensional {B}ravais
                      {L}attice},
      journal      = {Langmuir},
      volume       = {35},
      number       = {4},
      issn         = {1520-5827},
      address      = {Washington, DC},
      publisher    = {ACS Publ.},
      reportid     = {FZJ-2019-01642},
      pages        = {973 - 979},
      year         = {2019},
      abstract     = {We demonstrate how to directly transform a close-packed
                      hexagonal colloidal monolayer into nonclose-packed particle
                      arrays of any two-dimensional symmetry at the air/water
                      interface. This major advancement in the field of
                      nanoparticle self-assembly is based on a simple
                      one-dimensional stretching step in combination with the
                      particle array orientation. Our method goes far beyond
                      existing strategies and allows access to all possible
                      two-dimensional Bravais lattices. A key element of our work
                      is the possibility to macroscopically stretch a particle
                      array in a truly one-dimensional manner, which has not been
                      possible up to now. We achieve this by stretching the
                      nanoparticle array at an air/water interface during the
                      transfer process. The degree of stretching is simply
                      controlled by the wettability of the transfer substrate. To
                      retain the symmetry of the transferred structure, the
                      capillary forces upon drying have to be circumvented. We
                      demonstrate two concepts based on thermal fixation for this.
                      It allows for the first time to fabricate nonclose-packed,
                      nonhexagonal colloidal monolayers on a macroscopic length
                      scale.},
      cin          = {ICS-1 / Neutronenstreuung ; JCNS-1},
      ddc          = {540},
      cid          = {I:(DE-Juel1)ICS-1-20110106 / I:(DE-Juel1)JCNS-1-20110106},
      pnm          = {551 - Functional Macromolecules and Complexes (POF3-551) /
                      6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
                      / 6215 - Soft Matter, Health and Life Sciences (POF3-621)},
      pid          = {G:(DE-HGF)POF3-551 / G:(DE-HGF)POF3-6G4 /
                      G:(DE-HGF)POF3-6215},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:30472854},
      UT           = {WOS:000457503500016},
      doi          = {10.1021/acs.langmuir.8b03047},
      url          = {https://juser.fz-juelich.de/record/861058},
}