Synthesis, Electrodynamics and Biosensor Applications of Novel Sulphonated Polyaniline Nanocomposites

Citation:
Michira IN. Synthesis, Electrodynamics and Biosensor Applications of Novel Sulphonated Polyaniline Nanocomposites . Iwuoha PI, Baker PP-L, eds. CapeTown: University of the Western Cape; 2007.

Thesis Type:

PhD thesis

Abstract:

The overall aim of this thesis was to prepare nanostructured more processable heteronuclear sulphonated polyanyline nanocomposites with electroconductive properties suitable for applications in biosensors. The sulphonated self-assembled polyaniline and derivatised polyaniline nanocomposites (SPAHs) were prepared by chemical oxidative polymerisation or electrical decomposition. The SPAHs prepared include those of polyaniline (PANi), poly-o-methoxyaniline (POMA) and poly-2.5 dimethoxyaniline (PDMA). Two types of sulphonic acids of heteronuclear aromatic hydrocarbons were used in the production of sulphonated SPAH composites. These were anthracene sulphonic acid (ASA) and naphthalene sulphonic acids (NSA) wich played both doping and surfactant roles.

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