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@ARTICLE{Schatz:907985,
      author       = {Schatz, Michael and Jovanovic, Sven and Eichel, Rüdiger-A.
                      and Granwehr, Josef},
      title        = {{Q}uantifying local p{H} changes in carbonate electrolyte
                      during copper-catalysed $\hbox{{CO}}_2$ electroreduction
                      using in operando $^{13}\hbox{{C}}$ {NMR}},
      journal      = {Scientific reports},
      volume       = {12},
      number       = {1},
      issn         = {2045-2322},
      address      = {[London]},
      publisher    = {Macmillan Publishers Limited, part of Springer Nature},
      reportid     = {FZJ-2022-02309},
      pages        = {8274},
      year         = {2022},
      abstract     = {The electrochemical carbon dioxide reduction on copper
                      attracted considerable attention within the last decade,
                      since Cu is the only elemental transition metal that
                      catalyses the formation of short‑chain hydrocarbons and
                      alcohols. Research in this field is mainly focused on
                      understanding the reaction mechanism in terms of adsorbates
                      and intermediates. Furthermore, dynamic changes in the
                      micro‑environment of the catalyst, i.e. local pH and
                      $\hbox{CO}_2$ concentration values, play an equivalently
                      important role in the selectivity of product formation. In
                      this study, we present an in operando $^{13}\hbox{C}$
                      nuclear magnetic resonance technique that enables the
                      simultaneous measurement of pH and $\hbox{CO}_2$
                      concentration in electrode vicinity during electroreduction.
                      The influence of applied potential and buffer capacity of
                      the electrolyte on the formation of formate is demonstrated.
                      Theoretical considerations are confirmed experimentally and
                      the importance of the interplay between catalyst and
                      electrolyte is emphasised.},
      cin          = {IEK-9},
      ddc          = {600},
      cid          = {I:(DE-Juel1)IEK-9-20110218},
      pnm          = {1232 - Power-based Fuels and Chemicals (POF4-123) / EXC
                      2186:  The Fuel Science Center – Adaptive Conversion
                      Systems for Renewable Energy and Carbon Sources (390919832)},
      pid          = {G:(DE-HGF)POF4-1232 / G:(GEPRIS)390919832},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {35585102},
      UT           = {WOS:000797636300042},
      doi          = {10.1038/s41598-022-12264-8},
      url          = {https://juser.fz-juelich.de/record/907985},
}