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@ARTICLE{Yoon:627888,
      author       = {Yoon, Aram and Bai, Lichen and Yang, Fengli and Franco,
                      Federico and Zhan, Chao and Rüscher, Martina and
                      Timoshenko, Janis and Pratsch, Christoph and Werner, Stephan
                      and Jeon, Hyo Sang and Monteiro, Mariana Cecilio de Oliveira
                      and Chee, See Wee and Roldan Cuenya, Beatriz},
      title        = {{R}evealing catalyst restructuring and composition during
                      nitrate electroreduction through correlated operando
                      microscopy and spectroscopy},
      journal      = {Nature materials},
      volume       = {24},
      number       = {5},
      issn         = {1476-1122},
      address      = {Basingstoke},
      publisher    = {Nature Publishing Group},
      reportid     = {PUBDB-2025-01663},
      pages        = {762 - 769},
      year         = {2025},
      abstract     = {Electrocatalysts alter their structure and composition
                      during reaction, which can in turn create new
                      active/selective phases. Identifying these changes is
                      crucial for determining how morphology controls catalytic
                      properties but the mechanisms by which operating conditions
                      shape the catalyst’s working state are not yet fully
                      understood. In this study, we show using correlated operando
                      microscopy and spectroscopy that as well-defined Cu$_2$O
                      cubes evolve under electrochemical nitrate reduction
                      reaction conditions, distinct catalyst motifs are formed
                      depending on the applied potential and the chemical
                      environment. By further matching the timescales of
                      morphological changes observed via electrochemical liquid
                      cell transmission electron microscopy with time-resolved
                      chemical state information obtained from operando
                      transmission soft X-ray microscopy, hard X-ray absorption
                      spectroscopy and Raman spectroscopy, we reveal that Cu2O can
                      be kinetically stabilized alongside metallic copper for
                      extended durations under moderately reductive conditions due
                      to surface hydroxide formation. Finally, we rationalize how
                      the interaction between the electrolyte and the catalyst
                      influences the ammonia selectivity.},
      cin          = {FS DOOR-User},
      ddc          = {610},
      cid          = {$I:(DE-H253)FS_DOOR-User-20241023$},
      pnm          = {6G3 - PETRA III (DESY) (POF4-6G3) / DFG project
                      G:(GEPRIS)406944504 - Selektivitätskontrolle unter
                      Bedingungen dynamischer CO2 Elektroreduktion (406944504) /
                      DFG project G:(GEPRIS)390540038 - EXC 2008: Unifying Systems
                      in Catalysis "UniSysCat" (390540038)},
      pid          = {G:(DE-HGF)POF4-6G3 / G:(GEPRIS)406944504 /
                      G:(GEPRIS)390540038},
      experiment   = {EXP:(DE-H253)P-P64-20150101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:39856413},
      UT           = {WOS:001404821000001},
      doi          = {10.1038/s41563-024-02084-8},
      url          = {https://bib-pubdb1.desy.de/record/627888},
}