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AMINE KHERFI
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Volume 45 All articles Published: 25 April 2022 Article ID 0073
DJAZIA CHALAL AMINE KHERFI AHMED MADANI ADEL BENGRINE
This work focuses on the electrochemical synthesis of polymer-inorganic semiconductor hybrid consisting of poly(3-hexylthiophene) (P3HT) and titania nanoparticles (TiO$_2$). The P3HT–TiO$_2$ hybrid was prepared by electropolymerization of the 3HT monomer in a dichloromethane-tetrabutylammonium perchlorate (CH$_2$Cl$_2$/TBAP) solution containing titania nanoparticles (TiO$_2$). The hybrid material was electrodeposited on indium-tin oxide (ITO) substrates via cyclic voltammetry method. It was illustrated from scanning electron microscope observation that the incorporation of TiO$_2$ nanoparticle within P3HT matrix created an interconnected network structure, which has improved interfacial transport charges. Furthermore, the potentiodynamic results revealed that the electropolymerization process of P3HT inthe presence of TiO$_2$ was easier and occurred at an early value of 1 V (
vs . Ag/AgCl) with a noticeable increase in current density. The impedance results showed lower charge-transfer resistance and higher capacitance values for the P3HT–TiO$_2$ hybrid ($R_{ct}$ = 7 ${\Omega}$ cm$^{-2}$, CPE = 5.196 ${\mu}$F cm$^{–2}$) compared to pure P3HT ($R_{ct}$ = 37 ${\Omega}$ cm$^{-2}$, CPE = 1.959 ${\mu}$F cm$^{–2}$), demonstrating the better conductivity and charge storage capacity for the P3HT–TiO$_2$ hybrid.
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Bulletin of Materials Science
Volume 46, 2023
All articles
Continuous Article Publishing mode
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Posted on October 12, 2020Prof. Subi Jacob George — Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru
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