The electro-oxidation of dimethylamine borane: Part 1, polycrystalline substrates

Daniela Plana, RAW Dryfe

Research output: Contribution to journalArticle (Academic Journal)peer-review

9 Citations (Scopus)


The oxidation of dimethylamine borane (DMAB) on polycrystalline gold electrodes has been investigated using a number of electrochemical techniques. The oxidation of borohydride has been studied to provide a comparison: for DMAB we observe two, sequential oxidation processes on gold. At low potentials, three electrons are extracted from the molecule, implying that hydrogen is not oxidised, whereas at high potential a six electron oxidation occurs. The dimethylamine fragment is also oxidised on gold, albeit at higher potentials, in contrast to assumptions made in previous literature. DMAB oxidation is also studied on platinum and glassy carbon: the data suggests that only part of the amine–borane dissociates in alkaline solution, in particular cleavage of the B−N bond requires prolonged exposure to metallic surfaces.
Original languageEnglish
JournalElectrochimica Acta
Issue number11
Publication statusPublished - 15 Apr 2011


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