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<p>In order to further enhance the power retention potential of supercapacitors, this study describes for the first time the synthesis, characterisation, and application of an innovative DTC-[MnS<sub>2</sub>:LaS] complex of diethyldithiocarbamates via a single source precursor approach. The developed bimetallic sulphide achieved a median crystallite size of 56.71&#xa0;nm and a band gap energy of 3.74&#xa0;eV. Regarding vibrational linking, the presence of metal sulphide bonds has been demonstrated by transmission bands emerging in the 534–927&#xa0;cm<sup>− 1</sup> range, with more significant bands around 616, 672, 747, 845, and 893&#xa0;cm<sup>− 1</sup>. The DTC-[MnS<sub>2</sub>:LaS] combination had irregular oriented particles with sharp edges. Several electrochemical studies were performed to determine the pseudocapacitive characteristics of the DTC-[MnS<sub>2</sub>:LaS] complex-based electrode. This electrode demonstrated an enhanced specific capacitance of 835.47&#xa0;F g<sup>− 1</sup>, while the specific power density was 9465.7&#xa0;W kg<sup>− 1</sup>. The created electrode had an insignificant resistance (<i>R</i><sub><i>s</i></sub>) of 1.25 Ω, reflecting its electrical conductivity. The DTC-[MnS<sub>2</sub>:LaS] complex constitutes an effective and renewable substance for storing power with minimal synthetic requirements.</p>

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DTC-[MnS2:LaS] Complexes of Diethyldithiocarbamates: Single Source Precursor In-Situ Mode Synthesis, Characterization, and Investigation of Capacitive Functionality for Supercapacitor Electrodes

  • 期刊论文

  • 发表日期：

    2025年1月3日

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  • Khuram Shahzad Ahmad,
  • Rana Farhat Mehmood,
  • Shaan Bibi Jaffri,
  • Bhumikaben Makawana,
  • Ram K. Gupta,
  • Yusuf Siraj Usmani

摘要

In order to further enhance the power retention potential of supercapacitors, this study describes for the first time the synthesis, characterisation, and application of an innovative DTC-[MnS2:LaS] complex of diethyldithiocarbamates via a single source precursor approach. The developed bimetallic sulphide achieved a median crystallite size of 56.71 nm and a band gap energy of 3.74 eV. Regarding vibrational linking, the presence of metal sulphide bonds has been demonstrated by transmission bands emerging in the 534–927 cm− 1 range, with more significant bands around 616, 672, 747, 845, and 893 cm− 1. The DTC-[MnS2:LaS] combination had irregular oriented particles with sharp edges. Several electrochemical studies were performed to determine the pseudocapacitive characteristics of the DTC-[MnS2:LaS] complex-based electrode. This electrode demonstrated an enhanced specific capacitance of 835.47 F g− 1, while the specific power density was 9465.7 W kg− 1. The created electrode had an insignificant resistance (Rs) of 1.25 Ω, reflecting its electrical conductivity. The DTC-[MnS2:LaS] complex constitutes an effective and renewable substance for storing power with minimal synthetic requirements.