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@ARTICLE{Monteiro:452120,
      author       = {Monteiro, Mariana C. O. and Jacobse, Leon and Koper, Marc},
      title        = {{U}nderstanding the {V}oltammetry of {B}ulk {CO}
                      {E}lectrooxidation in {N}eutral {M}edia through {C}ombined
                      {SECM} {M}easurements},
      journal      = {The journal of physical chemistry letters},
      volume       = {11},
      issn         = {1948-7185},
      address      = {Washington, DC},
      publisher    = {ACS},
      reportid     = {PUBDB-2020-04512},
      pages        = {9708 - 9713},
      year         = {2020},
      abstract     = {Recently, the bulk electrooxidation of CO on gold or
                      platinum has been usedto detect CO produced during
                      CO2reduction in neutral media. The CO bulk
                      oxidationvoltammetry may show two distinct peaks depending
                      on the reaction conditions, which up tonow have not been
                      understood. We have used scanning electrochemical microscopy
                      (SECM)to probe CO oxidation and pH in the diffusion layer
                      during CO2reduction. Our results showthat the two different
                      peaks are due to diffusion limitation by two different
                      species, namely,CO and OH−.Wefind that between pH 7 and
                      11, CO oxidation by water and OH−gives riseto thefirst and
                      second peak observed in the voltammetry, respectively.
                      Additional rotating discexperiments showed that specifically
                      in this pH range the current of the second peak isdiffusion
                      limited by the OH−concentration, since it is lower than
                      the CO concentration.},
      cin          = {DOOR ; HAS-User / FS-NL},
      ddc          = {530},
      cid          = {I:(DE-H253)HAS-User-20120731 / I:(DE-H253)FS-NL-20120731},
      pnm          = {6213 - Materials and Processes for Energy and Transport
                      Technologies (POF3-621)},
      pid          = {G:(DE-HGF)POF3-6213},
      experiment   = {EXP:(DE-H253)Nanolab-01-20150101 /
                      EXP:(DE-H253)Nanolab-05-20200101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:33136404},
      UT           = {WOS:000592959100026},
      doi          = {10.1021/acs.jpclett.0c02779},
      url          = {https://bib-pubdb1.desy.de/record/452120},
}