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@ARTICLE{Zhou:1052640,
      author       = {Zhou, Shuyu and Rehm, Viktor and Grizfeld, Roman and Liu,
                      Zihao and Han, Yufei and Hrbek, Tomáš and Matolínová,
                      Iva and Korczak, Jędrzej and Szczerbakow, Andrzej and
                      Story, Tomasz and Kot, Mordechai and Loi, Maria A. and Peng,
                      Zijian and Sotome, Masato and Kondo, Takashi and Forberich,
                      Karen and Lüer, Larry and Brabec, Christoph. J. and
                      Mergheim, Julia and Heiss, Wolfgang},
      title        = {{B}oosting the {P}erformance of {E}pitaxial {P}erovskite
                      {M}icrostructures by {S}urface {P}assivation},
      journal      = {Advanced optical materials},
      volume       = {14},
      number       = {1},
      issn         = {2195-1071},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2026-01014},
      pages        = {e03210},
      year         = {2026},
      abstract     = {Epitaxial growth enables the fabrication of films and
                      heterostructures with exceptional properties, particularly
                      when performed on single-crystalline substrates with a
                      suitable lattice type and lattice parameters. While
                      epitaxial growth is extensively utilized for conventional
                      semiconductors, epitaxial micro- and nanostructures of
                      lead-halide perovskites have also been successfully obtained
                      through vapor-phase and liquid-phase deposition techniques.
                      Surface passivation, widely employed in polycrystalline
                      perovskite films and single crystals to suppress surface
                      recombination of charge carriers, is often overlooked for
                      epitaxial structures due to the presumption that their
                      inherently smooth surfaces are free of defects. In this
                      study, surface passivation agents commonly used in colloidal
                      nanocrystal chemistry are investigated, such as
                      trioctylphosphine oxide (TOPO), or protective matrices like
                      poly (methyl methacrylate) (PMMA), to improve the
                      performance of epitaxially grown Formamidinium lead bromide
                      (FAPbBr3) and Cesium lead bromide (CsPbBr3) micro- and
                      nanostructures. These findings reveal that surface
                      passivation significantly boosts luminescence intensity and
                      decay times, reduces lasing thresholds to record-low levels
                      for microcrystalline perovskite lasers, and enhances the
                      specific detectivity of photoconductors. These advancements
                      are consistent across structures grown by both vapor
                      deposition and solution processing. This study highlights
                      the critical role of surface passivation for achieving the
                      full potential of epitaxially grown perovskite structures,
                      thereby paving the way for advanced optoelectronic
                      applications.},
      cin          = {IET-2},
      ddc          = {670},
      cid          = {I:(DE-Juel1)IET-2-20140314},
      pnm          = {1214 - Modules, stability, performance and specific
                      applications (POF4-121)},
      pid          = {G:(DE-HGF)POF4-1214},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001617916800001},
      doi          = {10.1002/adom.202503210},
      url          = {https://juser.fz-juelich.de/record/1052640},
}