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MERIH SERIN1,* , SAHIN YAKUT2,* , KEMAL ULUTAS2, MURAT CALISKAN3, DENIZ BOZOGLU2, DENIZ DEGER2, KEZIBAN HUNER4, FERDANE KARAMAN4
- 1Department of Physics, Faculty of Arts and Sciences, Yildiz Technical University, 34220, Esenler/ Istanbul, Turkey
- Department of Physics, Faculty of Science, Istanbul University, 34134, Vezneciler, Istanbul, Turkey
- Department of Physics, Faculty of Arts and Sciences, Yildiz Technical University, 34220, Esenler/ Istanbul, Turkey
- Department of Chemistry, Faculty of Arts and Science, Yildiz Technical University,34220, Esenler, Istanbul, Turkey
Polythiophene nanoparticles successfully synthesized at different magnetic flux densities, which have values between 1,5 – 4,6 kGauss, were studied. The samples were prepared by dropping the dilute colloidal solutions of the PTh nanoparticles in pure water on the copper grids coated with carbon film. The sizes of polythiophene nanoparticles were determined by STEM analysis. It was observed that polythiophene nanoparticles were aggregated by the effect of magnetic flux. Dielectric measurements were performed using an impedance analyzer in the frequency range 0.1Hz-20MHz at room temperature. Three polarization mechanisms were detected. The AC conductivity obeys the Jonscher Law. The results obtained for polythiophene without and with magnetic flux effect were compared. It was observed that the presence of magnetic flux affects the structure of polythiophene by increasing the electrical capacitance at frequencies lower than 102Hz and frequencies higher than 105Hz. However, among the samples under the influence of magnetic flux, there isn’t a remarkable difference with increasing flux density..
Polymer composite, Nanoparticles, Magnetic flux, Dielectric spectroscopy, AC conductivity.
Submitted at: Dec. 2, 2021
Accepted at: June 7, 2022
MERIH SERIN, SAHIN YAKUT, KEMAL ULUTAS, MURAT CALISKAN, DENIZ BOZOGLU, DENIZ DEGER, KEZIBAN HUNER, FERDANE KARAMAN, Dielectric spectra of polythiophene nanoparticles synthesized at different magnetic flux densities, Journal of Optoelectronics and Advanced Materials Vol. 24, Iss. 5-6, pp. 286-292 (2022)
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