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@ARTICLE{Regeni:599469,
      author       = {Regeni, Irene and Chowdhury, Rituparno and Terlinden, Kai
                      and Horiuchi, Shinnosuke and Holstein, Julian J. and
                      Feldmann, Sascha and Clever, Guido},
      title        = {{E}ngineering {S}oluble {D}iketopyrrolopyrrole
                      {C}hromophore {S}tacks from a {S}eries of
                      {P}d({II})‐{B}ased {R}avels**},
      journal      = {Angewandte Chemie},
      volume       = {62},
      number       = {40},
      issn         = {1433-7851},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {PUBDB-2023-07441},
      pages        = {e202308288},
      year         = {2023},
      abstract     = {A strategy to engineer the stacking of diketopyrrolopyrrole
                      (DPP) dyes based on non-statistical metallosupramolecular
                      self-assembly is introduced. For this, the DPP backbone is
                      equipped with nitrogen-based donors that allow for different
                      discrete assemblies to be formed upon the addition of
                      Pd(II), distinguished by the number of π-stacked
                      chromophores. A Pd$_3$L$_6$ three-ring, a heteroleptic
                      Pd$_2$L$_2$L′$_2$ ravel composed of two crossing DPPs
                      (flanked by two carbazoles), and two unprecedented
                      self-penetrated motifs (a Pd$_2$L$_3$ triple and a
                      Pd$_2$L$_4$ quadruple stack), were obtained and
                      systematically investigated. With increasing counts of
                      stacked chromophores, UV/Vis absorptions red-shift and
                      emission intensities decrease, except for compound
                      Pd$_2$L$_2$L′$_2$, which stands out with an exceptional
                      photoluminescence quantum yield of 51 \%. This is
                      extraordinary for open-shell metal containing assemblies and
                      explainable by an intra-assembly FRET process. The modular
                      design and synthesis of soluble multi-chromophore building
                      blocks offers the potential for the preparation of
                      nanodevices and materials with applications in sensing,
                      photo-redox catalysis and optics.},
      cin          = {DOOR ; HAS-User},
      ddc          = {540},
      cid          = {I:(DE-H253)HAS-User-20120731},
      pnm          = {6G3 - PETRA III (DESY) (POF4-6G3) / DFG project 390677874 -
                      EXC 2033: RESOLV (Ruhr Explores Solvation) (390677874)},
      pid          = {G:(DE-HGF)POF4-6G3 / G:(GEPRIS)390677874},
      experiment   = {EXP:(DE-H253)P-P11-20150101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {37459561},
      UT           = {WOS:001052770300001},
      doi          = {10.1002/anie.202308288},
      url          = {https://bib-pubdb1.desy.de/record/599469},
}