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|Title:||Metal-polymer interactions in the Ag+|poly-o-aminophenol system||Authors:||Zhang, A.Q.
|Issue Date:||12-Sep-1996||Citation:||Zhang, A.Q., Cui, C.Q., Lee, J.Y. (1996-09-12). Metal-polymer interactions in the Ag+|poly-o-aminophenol system. Journal of Electroanalytical Chemistry 413 (1-2) : 143-151. ScholarBank@NUS Repository. https://doi.org/10.1016/0022-0728(96)04668-2||Abstract:||Like polyaniline (PAn), electrodeposited films of poly-o-aminophenol (POAP) of different thicknesses, and hence different oxidation states, were found to react differently with a 0.1 M aqueous solution of AgNO3. The interactions between Ag+ and POAP ranged from redox reactions in which the cations were reduced to the metallic form upon contact with the polymer, to a partial charge transfer between metal and polymer resulting in the formation of a metal-polymer complex. These two types of interaction predominated in thick and thin films respectively, and films of moderate thickness exhibited intermediate behaviour. The interactions are believed to originate from a silver-nitrogen linkage moderated by the presence of oxygen from the -OH group. As POAP is more resistant to electrochemical degradation and can take up four times as much silver as PAn through the metal-polymer interactions, practical applications may be developed to exploit such properties.||Source Title:||Journal of Electroanalytical Chemistry||URI:||http://scholarbank.nus.edu.sg/handle/10635/91559||ISSN:||00220728||DOI:||10.1016/0022-0728(96)04668-2|
|Appears in Collections:||Staff Publications|
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