Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0169-4332(00)00910-7
Title: Evaporated copper on surface modified polyaniline films
Authors: Ma, Z.H.
Tan, K.L. 
Chua, W.S.
Kang, E.T. 
Neoh, K.G. 
Issue Date: 29-Mar-2001
Source: Ma, Z.H.,Tan, K.L.,Chua, W.S.,Kang, E.T.,Neoh, K.G. (2001-03-29). Evaporated copper on surface modified polyaniline films. Applied Surface Science 173 (3-4) : 242-251. ScholarBank@NUS Repository. https://doi.org/10.1016/S0169-4332(00)00910-7
Abstract: In order to improve the adhesion between the emeraldine base (EB) film of polyaniline (PANI) and evaporated copper metal, surface modification of EB films via UV-induced graft copolymerization with glycidyl methacrylate (GMA) was carried out. The effects of GMA monomer concentration and UV graft copolymerization time on the T-peel adhesion strength of the resulting Cu/EB laminates were studied. It was found that the adhesion strength between the GMA graft-copolymerized EB (GMA-g-EB) film and evaporated copper increased monotonically with the graft concentration of the GMA polymer. The T-peel adhesion strength between the surface-modified EB film and evaporated copper was increased by almost 10-folds under the optimum surface modification conditions. The chemical compositions of the GMA-g-EB surfaces were studied by X-Ray photoelectron spectroscopy (XPS). The interaction between the GMA-g-EB surface and the deposited copper atoms was investigated in situ by XPS. The epoxide groups of the grafted GMA polymer interacted with the evaporated copper atoms to form a charge-transfer complex, which accounted for the enhanced adhesion of evaporated copper to the GMA-g-EB films.
Source Title: Applied Surface Science
URI: http://scholarbank.nus.edu.sg/handle/10635/66587
ISSN: 01694332
DOI: 10.1016/S0169-4332(00)00910-7
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