Journal
DESIGNED MONOMERS AND POLYMERS
Volume 14, Issue 5, Pages 433-444Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1163/138577211X587636
Keywords
Poly(4-chloromethyl styrene-g-4-vinylpyridine)/TiO2; self-assembly; template; thin film; nanostructured polypyrrole; electrical conductivity
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Funding
- Bonyade Melli Nokhbeghan Institute
- Payame Noor University
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Poly(4-chloromethyl styrene-g-4-vinylpyridine)/TiO2 ((PCMSt-g-P4VP)/TiO2) nanocomposite was employed as template for the synthesis of polypyrrole (PPy) in the nanometer-sized domain using a chemical oxidation polymerization method. For this purpose, at first P4VP chains of (PCMSt-g-P4VP)/TiO2 nanocomposite were complexed with Cu2+ ions in toluene as the solvent and then converted to thin film by dip-coatings on a glass slide. Thereafter PPy was selectively synthesized in the P4VP core containing Cu2+ ions, by soaking the thin film in methanol solutions of pyrrole monomers. The synthesized templated PPy species were studied using scanning electron microscopy and Fourier-transform infrared spectroscopy. The optical properties of the products were obtained using UV-Vis spectroscopy and the electrical conductivity of the samples was measured using samples in which the conductive materials were sandwiched between two Ni electrodes at room temperature. Also, using the electrochemical method, synthesis of PPy onto (PCMSt-g-P4VP)/TiO2 templates was confirmed under cyclic voltammetric conditions on the surface of the working glassy carbon electrode (GCE). (C) Koninklijke Brill NV, Leiden, 2011
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