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|Title:||Chemical preparation and characterization of conductive polyaniline laminate thin films|
|Authors:||Chan, H.S.O. |
|Citation:||Chan, H.S.O.,Ho, P.K.H.,Tan, K.L.,Tan, B.T.G. (1990-04). Chemical preparation and characterization of conductive polyaniline laminate thin films. Synthetic Metals 35 (3) : 333-344. ScholarBank@NUS Repository.|
|Abstract:||Composite thin films of polyaniline hydrochloride (PANI-HCl) with poly(methyl methacrylate) (PMMA) and polystyrene (PS) have been synthesized via a modified interfacial polymerization technique. The morphology of such laminate films can be described adequately as a thin film of PMMA of PS coated on one side with an ultra-thin continuous layer of electroactive PANI-HCl with conductivity in the region of 10 S cm-1. XPS studies reveal the depth of the layer to be at least 60 Å. Chloride ions associated with both amine and imine nitrogens were identified. Covalently-bonded chlorine and molecular HCl were also identified on the film surface. The doping level in the PANI-HCl layer is about 20% in PMMA-PANI-HCl and 18% in PS-PANI-HCl respectively. These laminate films couple the excellent mechanical properties of the substrate with the interesting properties of polyaniline. © 1990.|
|Source Title:||Synthetic Metals|
|Appears in Collections:||Staff Publications|
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