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<p>This study presents the synthesis and characterization of ZnMOF, PPy@ZnMOF, and RuO<sub>2</sub>@PPy@ZnMOF composites intended for supercapacitor applications. The synthesis of ZnMOF was achieved through a solvothermal method, followed by the preparation of the composites PPy@ZnMOF and RuO<sub>2</sub>@PPy@ZnMOF using interface insitu chemical oxidative polymerization. The functional groups, crystallinity and the morphology of the MOF and its composites were analyzed by the FTIR, XRD, HRSEM and XPS techniques. The electrochemical properties was investigated using cyclic voltammetry (CV), galvanostatic charge discharge (GCD), and electron impedance spectroscopy (EIS). The ternary composite RuO<sub>2</sub>@PPy@ZnMOF had a Specific capacitance of 1629&#xa0;F&#xa0;g<sup>−1</sup> at the scan rate 10&#xa0;mVs<sup>−1</sup> in a 1&#xa0;M KOH electrolyte. According to GCD stability analysis up to 2000 cycles RuO<sub>2</sub>@PPy@ZnMOF had a capacity retention of 85% at 1&#xa0;mA&#xa0;g<sup>−1</sup>. The combination of metal oxide nanoparticles and conducting polymer with MOF has been explored in this work.</p>

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Synthesis and electrochemical characterization of zinc (Zn) based metal organic framework (MOF) and its polymer composite with pyrrole and RuO2 for supercapacitor application

  • 期刊论文

  • 发表日期：

    2026年1月23日

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  • C. A. Humayanthvarma,
  • Govindasamy Kumar,
  • G. K. Meenatchi

摘要

This study presents the synthesis and characterization of ZnMOF, PPy@ZnMOF, and RuO2@PPy@ZnMOF composites intended for supercapacitor applications. The synthesis of ZnMOF was achieved through a solvothermal method, followed by the preparation of the composites PPy@ZnMOF and RuO2@PPy@ZnMOF using interface insitu chemical oxidative polymerization. The functional groups, crystallinity and the morphology of the MOF and its composites were analyzed by the FTIR, XRD, HRSEM and XPS techniques. The electrochemical properties was investigated using cyclic voltammetry (CV), galvanostatic charge discharge (GCD), and electron impedance spectroscopy (EIS). The ternary composite RuO2@PPy@ZnMOF had a Specific capacitance of 1629 F g−1 at the scan rate 10 mVs−1 in a 1 M KOH electrolyte. According to GCD stability analysis up to 2000 cycles RuO2@PPy@ZnMOF had a capacity retention of 85% at 1 mA g−1. The combination of metal oxide nanoparticles and conducting polymer with MOF has been explored in this work.