ArticleDiscover nano2026
Investigation of the synthesis, structural, and functional insights into PbCuZnO nanocomposite for photocatalytic dye degradation application.
Article in Discover nano, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
aimThis work investigates the development and visible-light-driven photocatalytic behavior of PbCuZnO nanocomposites for degrading Rhodamine B dye. The study emphasizes how multi-metal incorporation influences the structural, optical, and functional characteristics of the synthesized materials. MATERIALS AND
methodsPbCuZnO nanocomposites containing 2 and 4% of Pb-Cu were prepared using a sol-gel assisted combustion method. Their structural, morphological, and elemental features were analyzed using XRD, FTIR, SEM, and EDX. Optical responses were examined through UV-visible spectroscopy and Tauc's plots. Photocatalytic efficiency under visible light was assessed using Rhodamine B as the target contaminant, and kinetic parameters were extracted using pseudo-first-order models.
resultsXRD patterns confirmed the retention of the wurtzite ZnO structure with slight lattice distortions arising from Pb and Cu incorporation. SEM images showed nanostructured morphologies, and FTIR spectra verified the formation of metal-oxygen bonds. UV-visible measurements revealed a red-shift in absorption with dopant concentration, accompanied by band gap changes from 3.01 eV PbCuZnO (2%) to 3.2 eV PbCuZnO (4%). Photocatalytic experiments indicated improved Rhodamine B degradation performance, with the 4% (~ 95%-efficiency) doped sample displaying the highest activity compared to 2% of PbCuZnO, showing ~ 75% and a reaction rate constant of 0.031 min SIGNIFICANCE: The synergistic incorporation of Pb
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