The electrical conductivity properties of polythiophene/TiO2 nanocomposites prepared in the presence of surfactants |
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Affiliation: | 1. Suleyman Demirel University, Faculty of Arts and Science, Department of Chemistry, Suleyman Demirel Street, 32260 Isparta, Turkey;2. Erciyes University, Faculty of Arts and Science, Department of Chemistry, 38039 Kayseri, Turkey;3. Mehmet Akif Ersoy University, Faculty of Arts and Science, Department of Chemistry, 15100 Burdur, Turkey |
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Abstract: | A composite of polythiophene (PT) and nano-titanium dioxide (TiO2), possessing core–shell structure, was synthesized via oxidative polymerization of thiophene using FeCl3 in the presence of three different surfactants: anionic, cationic, and nonionic. The morphology of the obtained composite materials was investigated by SEM, proving the core–shell structure of the prepared nanocomposite. The formation and thermal stability of the PT onto TiO2 nanoparticles were confirmed by FTIR and TGA analyses, respectively. XRD data show all of composite materials were amorphous structures. The electrical properties of the nanocomposites were investigated in the presence of surfactant materials, and the best semiconductor property was observed for PT/TiO2-anionic system. This difference in the conductivity has been attributed to differences in the stability of the composites. |
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