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- Title
Solvent Effect on Electrochemical Properties of a Co(II)-Based Metallo-Supramolecular Polymer Film.
- Authors
Hsu, Chih‐Yu; Zhang, Jian; Moriyama, Satoshi; Higuchi, Masayoshi
- Abstract
The influence of solvents on the electrochemical properties of a Co(II)-bisterpyridine-based metallo-supramolecular polymer (polyCo) thin films are studied. A redox couple of the polyCo film on GC electrode is observed in the reduction domain due to the redox reaction between Co(II) and Co(I) which belongs to a Nernstian reversible process in aqueous electrolyte solution. While a significant difference on the electrochemical stability of polyCo film is found in the electrolyte solution of organic solvent. A shrinking behaviour of the film is observed after redox switching in acetonitrile solution. The formation of the mixed-ligand of cobalt ion with water molecules as well as the hydrophilic property of the anion enable a stable redox switching of polyCo film in aqueous electrolytes.
- Subjects
SUPRAMOLECULAR polymers; COBALT; ELECTROCHEMISTRY; PHYSIOLOGICAL effects of solvents; AQUEOUS electrolytes; ORGANIC solvents; HYDROPHILIC compounds
- Publication
Macromolecular Symposia, 2016, Vol 363, Issue 1, p12
- ISSN
1022-1360
- Publication type
Article
- DOI
10.1002/masy.201500136