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Title: Metal-polymer interactions in the Ag+|poly-o-aminophenol system
Authors: Zhang, A.Q.
Cui, C.Q. 
Lee, J.Y. 
Keywords: Ag+-poly-o-aminophenol
Metal-polymer interactions
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.
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
ISSN: 00220728
DOI: 10.1016/0022-0728(96)04668-2
Appears in Collections:Staff Publications

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