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@ARTICLE{Davies:637651,
      author       = {Davies, Bernadette and Garcia-Martinez, Fernando and
                      Goodwin, Christopher and Degerman, David and Soldemo, Markus
                      and Lömker, Patrick and Grigorev, Vladimir and Boscolo
                      Bibi, Sara and Ali-Löytty, Harri and Engel, Robin and
                      Hansson, Tony and Schlueter, Christoph and Zou, Xiaodong and
                      Nilsson, Anders and Koroidov, Sergey},
      title        = {{I}nsight into the carbon monoxide reduction reaction on
                      {C}u(111) from operando electrochemical {X}-ray
                      photoelectron spectroscopy},
      reportid     = {PUBDB-2025-03877},
      year         = {2025},
      note         = {Preprint},
      abstract     = {In this work, we introduce a modified dip-and-pull ECXPS
                      approach that offers new mechanistic insight into the
                      alkaline CORR over a Cu(111) single crystal surface. We
                      tackle two major unresolved questions in the CORR mechanism
                      that persist in the literature. Firstly, we address the
                      mechanism for methane formation on Cu(111) and show that the
                      mechanism likely proceeds via atomic carbon, which
                      subsequently couples, leading to the accumulation of
                      amorphous carbon on the surface. Secondly, we provide
                      insight into whether the mechanism for acetate formation
                      occurs entirely on the surface or partially within the
                      solution phase, showing that acetate is present on the
                      surface, indicating a surface-based reaction. These insights
                      into surface-based mechanisms provide a handle for designing
                      future catalysts that can efficiently target the binding of
                      specific intermediates. Furthermore, we expect that our
                      modified approach to dip-and-pull ECXPS - in which we have
                      changed the electrode geometry, the method of introducing
                      the reactant gas, and used hard x-rays - will significantly
                      expand the technique’s applicability, enabling studies of
                      the CO(2)RR and beyond.},
      cin          = {DOOR ; HAS-User / FS DOOR-User / FS-PETRA-S / XFEL-User},
      cid          = {I:(DE-H253)HAS-User-20120731 /
                      $I:(DE-H253)FS_DOOR-User-20241023$ /
                      I:(DE-H253)FS-PETRA-S-20210408 /
                      I:(DE-H253)XFEL-User-20170713},
      pnm          = {632 - Materials – Quantum, Complex and Functional
                      Materials (POF4-632) / 6G3 - PETRA III (DESY) (POF4-6G3) /
                      SWEDEN-DESY - SWEDEN-DESY Collaboration
                      $(2020_Join2-SWEDEN-DESY)$ / FS-Proposal: II-20211048 EC
                      (II-20211048-EC) / FS-Proposal: I-20221301 EC
                      (I-20221301-EC) / FS-Proposal: I-20230516 EC
                      (I-20230516-EC)},
      pid          = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G3 /
                      $G:(DE-HGF)2020_Join2-SWEDEN-DESY$ /
                      G:(DE-H253)II-20211048-EC / G:(DE-H253)I-20221301-EC /
                      G:(DE-H253)I-20230516-EC},
      experiment   = {EXP:(DE-H253)P-P22-20150101},
      typ          = {PUB:(DE-HGF)25},
      doi          = {10.26434/chemrxiv-2025-xj2lf},
      url          = {https://bib-pubdb1.desy.de/record/637651},
}