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This study demonstrates the implication of natural resources for the synthesis of CdS nanoparticles (NPs) using Aegle marmelos leaf extract, promoting an eco-friendly and sustainable approach to NPs production. The synthesis method utilizes the reducing and stabilizing properties of natural analytes existing in this leaf extract, and the resultant CdS nanoparticles were characterized using FTIR, SEM, XRD, TEM, UV-DRS, and EDX techniques. The absorption spectrum revealed a threshold at 530 nm, with a bandgap energy of 2.4 eV. XRD analysis confirmed a cubic structure with a crystal size of 7 nm, while SEM and TEM analyses revealed an average particle size of 28 nm. EDX analysis confirmed the composition of CdS NPs with sulfur and cadmium contents of 51.80 and 48.20%, respectively. Elemental mapping verified the uniform distribution of these elements. The catalytic activity of the synthesized catalyst was assessed for methylene blue dye degradation under visible light illumination. The CdS(bio) catalyst achieved an MB degradation of 98.76% within 120 min. This green synthesis method minimizes environmental impact while also demonstrating potential applications in photocatalysis for dye degradation.

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Nature-Based Synthesis and Characterization of CdS from Aegle Marmelos Leave Extract for Efficient Visible-Light-Driven Methylene Blue Degradation

  • 会议论文

  • 发表日期：

    2025年

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  • Pramod Madhukar Gawal,
  • Animes Kumar Golder

摘要

This study demonstrates the implication of natural resources for the synthesis of CdS nanoparticles (NPs) using Aegle marmelos leaf extract, promoting an eco-friendly and sustainable approach to NPs production. The synthesis method utilizes the reducing and stabilizing properties of natural analytes existing in this leaf extract, and the resultant CdS nanoparticles were characterized using FTIR, SEM, XRD, TEM, UV-DRS, and EDX techniques. The absorption spectrum revealed a threshold at 530 nm, with a bandgap energy of 2.4 eV. XRD analysis confirmed a cubic structure with a crystal size of 7 nm, while SEM and TEM analyses revealed an average particle size of 28 nm. EDX analysis confirmed the composition of CdS NPs with sulfur and cadmium contents of 51.80 and 48.20%, respectively. Elemental mapping verified the uniform distribution of these elements. The catalytic activity of the synthesized catalyst was assessed for methylene blue dye degradation under visible light illumination. The CdS(bio) catalyst achieved an MB degradation of 98.76% within 120 min. This green synthesis method minimizes environmental impact while also demonstrating potential applications in photocatalysis for dye degradation.