Unveiling the exceptional photocatalytic activity of SmO/g-C3N4 nanocomposites for dye industries wastewater treatment

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dc.contributor.authorSharma, Anshu
dc.date.accessioned2026-03-23T06:03:09Z
dc.date.available2026-03-23T06:03:09Z
dc.date.issued2025
dc.description.abstractOn a global scale, wastewater dye pollution has become a major environmental issue. Photocatalysis is a well- known and promising technology for removing organic pollutants, such as dyes, from wastewater. In this work, SmO/g-C3N4 nanocomposites were fabricated and used as a photocatalyst for the degradation of anionic dyes, cationic dyes, and mix dyes due to their high specific surface area and outstanding photocatalytic capa bilities. Characterization of the synthesized nanocomposites included Fourier-transform infrared (FTIR), Scan ning electron microscopy (SEM), Ultraviolet-visible diffuse reflectance spectroscopy (UV-DRS), X-ray Diffraction (XRD), Transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS). The photocatalytic activity of SmO/g-C3N4 nanocomposites was studied against anionic dyes (Rose bengal (RB) and Xylenol Orange (XO)), cationic dyes (Auramine O (AO) and Crystal Violet (CV)) and their mixture (Mix Dyes). The results indicated that SmO/g-C3N4 nanocomposite (SmG-1.5) exhibited superior photocatalytic activity compared to its precursors, degrading dyes at rates of Rose bengal-84.7 %, Xylenol Orange-75.3 %, Auramine O-82.2 %, Crystal Violet-72.3 %, and Mix dyes-80 %. Thus, SmO/g-C3N4 nanocomposites demonstrate significant potential as an efficient photocatalyst for degrading dyes in wastewater.
dc.identifier.urihttp://cuh.ndl.gov.in/handle/123456789/1801
dc.language.isoen
dc.titleUnveiling the exceptional photocatalytic activity of SmO/g-C3N4 nanocomposites for dye industries wastewater treatment
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