Electrocatalytic activity of Basolite (TM) F300 metal-organic-framework structures

K F Babu, M A Kulandainathan, I Katsounaros, Liza Rassaei, Andrew D Burrows, Paul R Raithby, Frank Marken

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102 Citations (SciVal)


For the case of the commercially available metal-organic framework (MOF) structure Basolite (TM) F300 or Fe (BTC) with BTC = benzene-1,3,5-tricarboxylate, it is shown that the Fe(III/II) electrochemistry is dominated by reductive dissolution rather than ion insertion (which in marked contrast is dominating the behaviour of Fe(III/I) open framework processes in Prussian blues). Solid Fe(BTC) immobilised onto graphite or platinum working electrodes is investigated and it is shown that well-defined and reversible Fe(III/II) reduction responses occur only on platinum and in the presence of aqueous acid. The process is shown to follow a CE-type mechanism involving liberation of Fe(III) in acidic media, in particular for high concentrations of acid. Effective electrocatalysis for the oxidation of hydroxide to O-2 (anodic water splitting) is observed in alkaline aqueous media after initial cycling of the potential into the reduction potential zone. A mechanism based on a MOF-surface confined hydrous iron oxide film is proposed.
Original languageEnglish
Pages (from-to)632-635
Number of pages4
JournalElectrochemistry Communications
Issue number5
Publication statusPublished - May 2010


  • sensor
  • Prussian blue
  • water splitting
  • voltammetry
  • reductive dissolution
  • MOF
  • host guest electrochemistry


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