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@ARTICLE{Saboor:1044675,
      author       = {Saboor, Abdus and Stroyuk, Oleksandr and Raievska,
                      Oleksandra and Liu, Chao and Hauch, Jens and Brabec,
                      Christoph},
      title        = {{Z}n{O} quantum dots as an electron-transport layer for
                      highly efficient and stable organic solar cells},
      journal      = {Nanoscale},
      volume       = {17},
      number       = {28},
      issn         = {2040-3364},
      address      = {Cambridge},
      publisher    = {RSC Publ.},
      reportid     = {FZJ-2025-03324},
      pages        = {16873 - 16881},
      year         = {2025},
      abstract     = {An advanced protocol for the mild synthesis of stable and
                      concentrated ZnO quantum dots (QDs) yields colloidal inks
                      suitable for applications in electron-transport layers
                      (ETLs) of organic solar cells, delivering superior power
                      conversion efficiency (PCE) and photodegradation stability
                      as compared to bulk-like commercially available ZnO inks.
                      The champion ZnO QDs-based devices with a quaternary
                      PM6 : L8BO : BTP-eC9 : PC70BM absorber exhibit a
                      PCE of $18.86\%,$ surpassing similar cells with bulk-like
                      ZnO ETL $(18.15\%).$ The ZnO QDs exhibited size-dependent
                      electron-transport efficiency, with the highest performance
                      achieved for QDs of 4.4–4.5 nm, decreasing for larger QDs
                      down to the level of the bulk-like ZnO reference. A
                      correlation between the photoluminescence and
                      electron-transport efficiencies of ZnO quantum dots (QDs)
                      was observed and interpreted in terms of an interplay
                      between the defect state density and exciton confinement in
                      size-selected ZnO QDs.},
      cin          = {IET-2},
      ddc          = {600},
      cid          = {I:(DE-Juel1)IET-2-20140314},
      pnm          = {1213 - Cell Design and Development (POF4-121)},
      pid          = {G:(DE-HGF)POF4-1213},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {40613427},
      UT           = {WOS:001522507300001},
      doi          = {10.1039/D5NR01722J},
      url          = {https://juser.fz-juelich.de/record/1044675},
}