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@ARTICLE{Kuhn:633166,
      author       = {Kuhn, Meike and Wenzel, Felix Alexander and Greve,
                      Christopher and Kreger, Klaus and Schwartzkopf, Matthias and
                      Schmidt, Hans-Werner and Grüninger, Helen and Herzig, Eva},
      title        = {{T}ailored {S}upramolecular {A}dditives to {C}ontrol the
                      {C}rystallization {P}rocess and {M}orphology of
                      ${MAP}b{I}_3$},
      journal      = {Small},
      volume       = {21},
      number       = {9},
      issn         = {1613-6810},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {PUBDB-2025-02362},
      pages        = {2410230},
      year         = {2025},
      note         = {open access},
      abstract     = {Perovskite films feature unique optoelectronic properties,
                      rendering them promising for electronic devices. The
                      properties depend on the morphology on a broad range of
                      length scales from nanometers to millimeters, influenced by
                      a variety of factors. However, controlling the morphology is
                      challenging. A tailored supramolecular additive, N,
                      N’-bis(2-aminoethyl) terephthalamide is developed to
                      control the intermediate and perovskite crystallization of
                      methyl ammonium lead iodide (MAPbI3) and enhance the thermal
                      and moisture stability in the final film. Reversible
                      coordinative interactions of the carbonyl groups with Pb2+
                      ions via Lewis acid-base adduct and subsequent ion–ion
                      interactions of the peripheral ammonium groups with the
                      perovskite grain boundaries are combined which is stabilized
                      by a strong hydrogen bonding pattern formed between the
                      amide moieties of the additive molecules. Adding low amounts
                      of this additive to the precursor solution significantly
                      decelerates the structure formation and systematically
                      reduces the crystallite size. Slower growth of the
                      intermediate phases and the incorporation of the additive to
                      the grain boundary is observed with multiple time-resolved
                      techniques. Evidence for the formation of single-molecule
                      interlayers between the MAPbI3 crystals and the presence of
                      directed supramolecular interaction between additive
                      molecules is shown. Transferability of this approach to
                      other perovskites is anticipated, paving the way to improved
                      processing control and stability.},
      cin          = {DOOR ; HAS-User / FS-PET-D},
      ddc          = {620},
      cid          = {I:(DE-H253)HAS-User-20120731 /
                      I:(DE-H253)FS-PET-D-20190712},
      pnm          = {632 - Materials – Quantum, Complex and Functional
                      Materials (POF4-632) / 6G3 - PETRA III (DESY) (POF4-6G3) /
                      FS-Proposal: I-20220646 (I-20220646) / DFG project
                      G:(GEPRIS)510654404 - Gezieltes Hochskalieren
                      lösungsbasierter Dünnfilmherstellung von
                      Halogen-Perowskiten, ermöglicht durch multimodale optische
                      in-situ Spektroskopie (HOLD-MOISS) (510654404) / SFB 1585
                      B03 - Kontrolle über Ionen- und Elektronentransport in
                      durch mesoporöse Matrizen räumlich eingeschränkten
                      Hybrid-Perowskiten (B03) (525371699)},
      pid          = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G3 /
                      G:(DE-H253)I-20220646 / G:(GEPRIS)510654404 /
                      G:(GEPRIS)525371699},
      experiment   = {EXP:(DE-H253)P-P03-20150101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:39910842},
      doi          = {10.1002/smll.202410230},
      url          = {https://bib-pubdb1.desy.de/record/633166},
}