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@ARTICLE{Wang:845228,
      author       = {Wang, Rui and Tong, Yu and Manzi, Aurora and Wang, Kun and
                      Fu, Zhendong and Kentzinger, Emmanuel and Feldmann, Jochen
                      and Urban, Alexander S. and Müller-Buschbaum, Peter and
                      Frielinghaus, Henrich},
      title        = {{P}referential {O}rientation of {C}rystals {I}nduced by
                      {I}ncorporation of {O}rganic {L}igands in
                      {M}ixed-{D}imensional {H}ybrid {P}erovskite {F}ilms},
      journal      = {Advanced optical materials},
      volume       = {6},
      number       = {6},
      issn         = {2195-1071},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2018-02521},
      pages        = {1701311 -},
      year         = {2018},
      abstract     = {Organic–inorganic perovskites demonstrate great potential
                      for optical applications due to their intriguing optical and
                      optoelectronic properties. Dedicated efforts have been
                      carried out to understand the energy landscape and charge
                      carrier mobilities for perovskite materials. In order to
                      further boost these materials toward large‐scale
                      applications, an alternative “bottom‐up” route for the
                      understanding about correlation between the morphology of
                      high‐quality planar films and their optical properties is
                      essential. Here, mixed‐dimensional bromide‐based hybrid
                      perovskite thin films are prepared from a simple one‐step
                      solution processing route using mixtures of methylammonium
                      bromide (MABr) and octylammonium bromide (OABr). Grazing
                      incidence scattering data statistically reveal that the
                      development of thin‐film morphology as well as crystal
                      orientation depends on the orientation of the OABr
                      crystallites. This study opens up further insight into the
                      morphology of perovskite thin films. In combination, the
                      occurrence of amplified spontaneous emission (ASE) in
                      perovskite films with low ASE thresholds with values
                      approaching 17.8 µJ cm−2 is demonstrated and appears to
                      be closely correlated to the tailored morphology,
                      highlighting its importance for realizing optical gain
                      media.},
      cin          = {JCNS-FRM-II / Neutronenstreuung ; JCNS-1 / JCNS-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-1-20110106 / I:(DE-Juel1)JCNS-2-20110106},
      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)KWS3-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000428348200015},
      doi          = {10.1002/adom.201701311},
      url          = {https://juser.fz-juelich.de/record/845228},
}