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This research examined hydrothermal synthesis of reduced graphene oxide (RGO)—FeS2/Fe11S12 nanocomposite and characterized its structural, optical, and surface properties. Structural analysis was conducted using X-ray diffraction (XRD), revealing characteristic peaks that confirm the formation of the FeS2 and Fe11S12 double-phase nanocomposite material. Optical properties were examined through UV–Vis absorption spectroscopy, which indicates absorbance in the UV–visible regions with a bandgap of approximately 1.6 eV. Field emission scanning electron microscopy (FESEM) provided a detailed morphological analysis, revealing that FeS2 and Fe11S12 nanoparticles have an irregular polyhedral shape, while RGO appears wrinkled or layered. The results suggest that FeS2 is more prevalent than Fe11S12 on RGO sheets. RGO-FeS2/Fe11S12 nanocomposite a promising material for potential for use in energy storage, catalysis, and electrode materials.

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Morphological and Optical Study of Triple Phase RGO/FeS2/Fe11S12 Nanocomposites

  • 会议论文

  • 发表日期：

    2026年

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  • Karishma Rawat,
  • Peeyush Phogat,
  • Shreya,
  • Ranjana Jha,
  • Sukhvir Singh

摘要

This research examined hydrothermal synthesis of reduced graphene oxide (RGO)—FeS2/Fe11S12 nanocomposite and characterized its structural, optical, and surface properties. Structural analysis was conducted using X-ray diffraction (XRD), revealing characteristic peaks that confirm the formation of the FeS2 and Fe11S12 double-phase nanocomposite material. Optical properties were examined through UV–Vis absorption spectroscopy, which indicates absorbance in the UV–visible regions with a bandgap of approximately 1.6 eV. Field emission scanning electron microscopy (FESEM) provided a detailed morphological analysis, revealing that FeS2 and Fe11S12 nanoparticles have an irregular polyhedral shape, while RGO appears wrinkled or layered. The results suggest that FeS2 is more prevalent than Fe11S12 on RGO sheets. RGO-FeS2/Fe11S12 nanocomposite a promising material for potential for use in energy storage, catalysis, and electrode materials.