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<p>This study reports the <i>in-situ</i> fabrication and detailed characterization of a silver@polyaniline (Ag@PANI) composite. The composite was prepared through an oxidative chemical polymerization process, where silver nanoparticles were incorporated into a polyaniline matrix. The Ag@PANI composite was thoroughly analyzed using UV–Vis spectroscopy, FT-IR spectroscopy, X-ray diffraction, and scanning electron microscopy (SEM). The formation of this Ag@PANI composite photocatalyst significantly improved the photocatalytic degradation efficiency under visible-light irradiation, with methylene blue (MB) serving as the target organic pollutant. The degradation of MB reached almost 100% within 50&#xa0;min. The photocatalytic degradation mechanisms were investigated and discussed. The findings indicate that metal-based PANI is a highly effective photocatalyst for the removal of organic pollutants.</p>

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In-situ Synthesis of Ag@Polyaniline composite for visible light-driven photocatalytic degradation of Methylene blue Dye: mechanistic insights

  • 期刊论文

  • 发表日期：

    2026年2月25日

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  • Vellaichamy Balakumar,
  • C. Kanimozhi

摘要

This study reports the in-situ fabrication and detailed characterization of a silver@polyaniline (Ag@PANI) composite. The composite was prepared through an oxidative chemical polymerization process, where silver nanoparticles were incorporated into a polyaniline matrix. The Ag@PANI composite was thoroughly analyzed using UV–Vis spectroscopy, FT-IR spectroscopy, X-ray diffraction, and scanning electron microscopy (SEM). The formation of this Ag@PANI composite photocatalyst significantly improved the photocatalytic degradation efficiency under visible-light irradiation, with methylene blue (MB) serving as the target organic pollutant. The degradation of MB reached almost 100% within 50 min. The photocatalytic degradation mechanisms were investigated and discussed. The findings indicate that metal-based PANI is a highly effective photocatalyst for the removal of organic pollutants.