Ambient pressure x-ray photoelectron spectroscopy (APXPS) can provide a compelling platform for studying an analyte's oxidation and reduction reactions in solutions. This paper presents proof-of-principle operando measurements of a model organometallic complex, iron hexacyanide, in an aqueous solution using the dip-and-pull technique. The data demonstrates that the electrochemically active liquid meniscuses on the working electrodes can undergo controlled redox reactions which were observed using APXPS. A detailed discussion of several critical experimental considerations is included as guidance for anyone undertaking comparable experiments.

Original languageEnglish
Article number244701
JournalJournal of Chemical Physics
Issue number24
Publication statusPublished - 2022 Dec 28

Subject classification (UKÄ)

  • Other Chemistry Topics
  • Condensed Matter Physics


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