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An improved sol–gel technique synthesizes the Co2O3–SiO2 nanocomposites. The prepared samples are characterized further to connect their structural and chemical properties in the produced state by XRD, FTIR, SEM-TEM spectroscopy, etc. The powder XRD crystallographic analysis was used to predict the sample's behavior, homogeneity, and crystalline phase. The XRD revealed the cubic structure of Co2O3, and crystallite size was computed via the Debye–Scherer equation. The existence of the constituent functional groups of synthesized Co2O3–SiO2 nanocomposite has been confirmed by FTIR spectroscopy. SEM-TEM micrograph certifies the crystallization of well- developed cobalt oxide nanoparticles incorporated in the silica matrix. Besides, the current (I)–voltage (V) relation was also emphasized to draw attention to the conducive nature of prepared samples. Cobalt holding a great valency position might also be achieved lacking any calcination condition, which is captivating for catalytic applications for its durable oxidation capability.

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Size-Dependent Structural and Electrical Highlights of Co2O3–SiO2 Nanocomposites Processed via Sol–gel Route

  • 会议论文

  • 发表日期：

    2025年

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  • Neelam Rani,
  • Indu Yadav,
  • Deepika,
  • Rachna Ahlawat

摘要

An improved sol–gel technique synthesizes the Co2O3–SiO2 nanocomposites. The prepared samples are characterized further to connect their structural and chemical properties in the produced state by XRD, FTIR, SEM-TEM spectroscopy, etc. The powder XRD crystallographic analysis was used to predict the sample's behavior, homogeneity, and crystalline phase. The XRD revealed the cubic structure of Co2O3, and crystallite size was computed via the Debye–Scherer equation. The existence of the constituent functional groups of synthesized Co2O3–SiO2 nanocomposite has been confirmed by FTIR spectroscopy. SEM-TEM micrograph certifies the crystallization of well- developed cobalt oxide nanoparticles incorporated in the silica matrix. Besides, the current (I)–voltage (V) relation was also emphasized to draw attention to the conducive nature of prepared samples. Cobalt holding a great valency position might also be achieved lacking any calcination condition, which is captivating for catalytic applications for its durable oxidation capability.