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@ARTICLE{Held:639302,
      author       = {Held, Vladimir and Mrkyvkova, Nada and Halahovets, Yuriy
                      and Nádaždy, Peter and Vegso, Karol and Vlk, Aleš and
                      Ledinský, Martin and Chumakov, Andrei and Schwartzkopf,
                      Matthias and Schreiber, Frank and Siffalovic, Peter},
      title        = {{KC}l-{M}ediated {D}efect {P}assivation in
                      {V}apor-{D}eposited {P}erovskites},
      journal      = {ACS applied materials $\&$ interfaces},
      volume       = {17},
      number       = {30},
      issn         = {1944-8244},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {PUBDB-2025-04403},
      pages        = {43877 - 43884},
      year         = {2025},
      abstract     = {Perovskite-based solar cells (PSCs) have reached
                      efficiencies comparable to those of commonly used silicon
                      solar panels. Despite the promise of PSCs, their efficiency
                      and commercial viability are currently restricted by three
                      main factors: nonradiative charge recombinations on defects
                      occurring within the light-absorbing layer and at its
                      boundaries, limited reproducibility, and upscaling due to
                      widely employed wet deposition methods. To address these
                      issues, we investigated the defect passivation strategy by
                      introducing potassium salt (KCl) during perovskite vapor
                      deposition. We observed effective passivation of the defects
                      upon KCl addition, manifested as an immediate and
                      significant enhancement of the real-time photoluminescence
                      (PL) intensity. The efficiency of passivation is related to
                      the ionic nature of the potassium salt and its flux density.
                      On the other hand, the perovskite’s crystallographic
                      structure and texture, as observed from the
                      grazing-incidence wide/small-angle X-ray scattering
                      measurements, showed no significant changes due to KCl
                      doping. Our work provides valuable insight into the possible
                      passivation routes for the vapor-deposited perovskite
                      layers, with implications for various chemical compositions
                      or architectures.},
      cin          = {DOOR ; HAS-User / FS-PETRA-D},
      ddc          = {600},
      cid          = {I:(DE-H253)HAS-User-20120731 /
                      I:(DE-H253)FS-PETRA-D-20210408},
      pnm          = {632 - Materials – Quantum, Complex and Functional
                      Materials (POF4-632) / 6G3 - PETRA III (DESY) (POF4-6G3) /
                      OSCARS - O.S.C.A.R.S. - Open Science Clusters’ Action for
                      Research and Society (101129751)},
      pid          = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G3 /
                      G:(EU-Grant)101129751},
      experiment   = {EXP:(DE-H253)P-P03-20150101},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1021/acsami.5c09426},
      url          = {https://bib-pubdb1.desy.de/record/639302},
}