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@INPROCEEDINGS{Stroyuk:1052820,
      author       = {Stroyuk, Oleksandr and Raievska, Oleksandra and Kinge,
                      Sachin and Hauch, Jens and Brabec, Christoph},
      title        = {{I}nnovative {A}pproach to {B}ismuth-{A}ntimony-{I}odide
                      {D}ouble {P}erovskite {PV} {A}bsorbers via {A}nion
                      {E}xchange and {S}olide-{S}tate {R}eactions42nd {E}uropean
                      {P}hotovoltaic {S}olar {E}nergy {C}onference and
                      {E}xhibition},
      publisher    = {WIP-Munich},
      reportid     = {FZJ-2026-01177},
      pages        = {579 kB4 pages},
      year         = {2025},
      abstract     = {This work focuses on the development of advanced synthesis
                      protocols for lead-free Cs2AgBi(Sb)Br6 perovskites and their
                      conversion into lower-bandgap Cs2AgBi(Sb)I6 perovskite PV
                      absorbers by using an innovative combination of mild anion
                      exchange with a solid-state reaction between intermediate
                      iodide derivatives. High-throughput robot-assisted
                      experimentation is applied for the optimization of the
                      synthesis conditions, targeting the highest yields of
                      Cs2AgBi(Sb)I6 perovskites (ca. 90 $mass\%)$ with the lowest
                      bandgap (1.78 eV). We provide new insights into the
                      pathways, mechanisms, and dynamics of the formation of
                      iodide double perovskites, reporting stable lead-free double
                      iodide perovskites crystallized in a non-conventional
                      tetragonal symmetry.},
      month         = {Sep},
      date          = {2025-09-22},
      organization  = {42nd European Photovoltaic Solar
                       Energy Conference and Exhibition,
                       Bilbao (Spanien), 22 Sep 2025 - 26 Sep
                       2025},
      keywords     = {Thin-Films and New Concepts (Other) / Perovskites (Other)},
      cin          = {IET-2},
      cid          = {I:(DE-Juel1)IET-2-20140314},
      pnm          = {1212 - Materials and Interfaces (POF4-121)},
      pid          = {G:(DE-HGF)POF4-1212},
      typ          = {PUB:(DE-HGF)8},
      doi          = {10.4229/EUPVSEC2025/2DO.8.3},
      url          = {https://juser.fz-juelich.de/record/1052820},
}