AFM morphological study of electropolymerised polyaniline films modified by surfactant and large anions |
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| Affiliation: | 1. Department of Biochemistry and Structural Biology, Lund University, P.O. Box 124, SE 22100 Lund, Sweden;2. School of Chemistry and Ryan Institute, National University of Ireland Galway, University Road, Galway, Ireland;3. Microbiology Group, Department of Biology, Lund University, Sölvegatan 35, SE 22362 Lund, Sweden |
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| Abstract: | Atomic force microscopy (AFM) ex situ experiments were carried out in order to study morphologies of polyaniline films grown in the presence of an anionic surfactant, sodium dodecylsulphate (SDS), and also using different functionalised organic acids. Polyaniline film morphologies obtained in the presence of SDS were analysed in terms of the formation of a complex between the rodlike micelles and the anilinium cation in solution. For the different acids, the influence of anion size and the solubility of the oligomeric salt were considered to explain the different sizes of globular morphologies. |
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