Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/23881
Title: Surface Functionalization of Metals with Conducting Polymers via Surface-initiated Polymerization
Authors: WAN DONG
Keywords: surface functionalization, conducting polymers, surface-initiated polymerization, biocorrosion, biosensor, electrochemical applications
Issue Date: 20-Aug-2010
Source: WAN DONG (2010-08-20). Surface Functionalization of Metals with Conducting Polymers via Surface-initiated Polymerization. ScholarBank@NUS Repository.
Abstract: The focus of this work is on providing alternative methods to covalently immobilize functional conducting polymer coatings via surface-initiated polymerization on metal surfaces for anti-biocorrosion and biosensor applications. First of all, a electroactive bilayer polymer coating, (poly(glycidyl methacrylate)¿ coupled-polyaniline [P(GMA)-c-PANI] on mild steel surface was constructed via surface-initiated atom transfer radical polymerization (ATRP), followed by thermal curing and N-alkylation reactions for combating biocorrosion in simulated seawater. Next, a well-structured hybrid Cu surface functionalized by polybithiophene-silver nanoparticles (PBT-Ag NPs) was prepared via surface-initiated oxidative graft polymerization and chemical affinity of sulfur for silver, for inhibiting sulfate-reducing bacteria (SRB)-induced biocorrosion in anaerobic seawater. Finally, an amperometric glucose biosensor with high sensitivity using PANI and chitosan coupled carbon nanotubes (CS-CNTs) as the signal amplifiers and glucose oxidase (GOD) as the glucose detector was fabricated on a gold electrode via surface-initiated oxidative graft polymerization and bifunctional linkers.
URI: http://scholarbank.nus.edu.sg/handle/10635/23881
Appears in Collections:Ph.D Theses (Open)

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