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    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/boms/045/0073

    • Keywords

       

      Poly(3-hexylthiophene); titania; polymer/inorganic hybrids; electrochemistry.

    • Abstract

       

      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.

    • Author Affiliations

       

      DJAZIA CHALAL AMINE KHERFI1 AHMED MADANI ADEL BENGRINE

      1. Laboratoire d’Electrochimie et Matériaux (LEM), Département de Génie des Procédés, Faculté de Technologie, Université Ferhat Abbas, 19000 Sétif, Algérie

    • Dates

       
      Published
      25 April 2022
      Manuscript received
      30 July 2021
      Accepted
      22 December 2021
      Final version published online
      25 April 2022

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