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@ARTICLE{Nowakowski:617512,
      author       = {Nowakowski, Michal and Huber-Gedert, Marina and Elgabarty,
                      Hossam and Kalinko, Aleksandr and Kubicki, Jacek and
                      Kertmen, Ahmet and Lindner, Natalia and Khakhulin, Dmitry
                      and Lima, Frederico A. and Choi, Tae-Kyu and Biednov, Mykola
                      and Schmitz, Lennart and Piergies, Natalia and Zalden, Peter
                      and Kubicek, Katharina and Rodriguez-Fernandez, Angel and
                      Salem, Mohammad Alaraby and Canton, Sophie E. and Bressler,
                      Christian and Kühne, Thomas D. and Gawelda, Wojciech and
                      Bauer, Matthias},
      title        = {{U}ltrafast {T}wo‐{C}olor {X}‐{R}ay {E}mission
                      {S}pectroscopy {R}eveals {E}xcited {S}tate {L}andscape in a
                      {B}ase {M}etal {D}yad},
      journal      = {Advanced science},
      volume       = {11},
      number       = {38},
      issn         = {2198-3844},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {PUBDB-2024-06843},
      pages        = {2404348},
      year         = {2024},
      abstract     = {Effective photoinduced charge transfer makes molecular
                      bimetallic assemblies attractive for applications as active
                      light-induced proton reduction systems. Developing
                      competitive base metal dyads is mandatory for a more
                      sustainable future. However, the electron transfer
                      mechanisms from the photosensitizer to the proton reduction
                      catalyst in base metal dyads remain so far unexplored. A
                      Fe─Co dyad that exhibits photocatalytic H$_2$ production
                      activity is studied using femtosecond X-ray emission
                      spectroscopy, complemented by ultrafast optical spectroscopy
                      and theoretical time-dependent DFT calculations, to
                      understand the electronic and structural dynamics after
                      photoexcitation and during the subsequent charge transfer
                      process from the FeII photosensitizer to the cobaloxime
                      catalyst. This novel approach enables the simultaneous
                      measurement of the transient X-ray emission at the iron and
                      cobalt K-edges in a two-color experiment. With this
                      methodology, the excited state dynamics are correlated to
                      the electron transfer processes, and evidence of the Fe→Co
                      electron transfer as an initial step of proton reduction
                      activity is unraveled.},
      cin          = {FS-PETRA-S / $XFEL_E1_FXE$},
      ddc          = {624},
      cid          = {I:(DE-H253)FS-PETRA-S-20210408 /
                      $I:(DE-H253)XFEL_E1_FXE-20210408$},
      pnm          = {631 - Matter – Dynamics, Mechanisms and Control
                      (POF4-631) / DFG project G:(GEPRIS)390715994 - EXC 2056:
                      CUI: Advanced Imaging of Matter (390715994)},
      pid          = {G:(DE-HGF)POF4-631 / G:(GEPRIS)390715994},
      experiment   = {EXP:(DE-H253)XFEL-SASE1-20150101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:39099343},
      UT           = {WOS:001283265500001},
      doi          = {10.1002/advs.202404348},
      url          = {https://bib-pubdb1.desy.de/record/617512},
}