Redox and electrocatalytic properties of cobalt-bipyridyl-polypyrrole film electrodes
β Scribed by F. Daire; F. Bedioui; J. Devynck; C. Bied-Charreton
- Publisher
- Elsevier Science
- Year
- 1987
- Weight
- 913 KB
- Volume
- 224
- Category
- Article
- ISSN
- 0022-0728
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Cobalt oxide films, fabricated by reactive sputtering m a 100% pure 0, plasma are highly nonstolchlometrlc with a bulk oxygen to cobalt ratlo of -1 15 Conversely, surface XPS studies mdlcate an oxygen to cobalt ratio rangmg from 1 8 to 3 0 and show the presence of Co3+ only m the surface reuon of th
## Abstract Conducting polypyrrole electrodes were prepared by electrochemical polymerization of pyrrole on vacuumβmetallized glass substrates. These electrodes were modified by doping with a range of metal halides as dopant ions having different electronegativity. Electrochemical reduction of nitr