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<p>This study investigates the synthesis and characterization of silver zinc phosphate (Ag<sub>2</sub>ZnP<sub>2</sub>O<sub>7</sub>) and its nanocomposite with cellulose fibers (CF) extracted from cigarette butts for photocatalytic applications. The materials were synthesized using a coprecipitation method and characterized using XRD, SEM–EDX, FTIR, and UV–Vis spectroscopy. The photocatalytic activity was evaluated through the degradation of methylene blue (MB) under UV irradiation. Pure Ag<sub>2</sub>ZnP<sub>2</sub>O<sub>7</sub> achieved 70% MB degradation after 107&#xa0;min of UV exposure. Notably, the Ag<sub>2</sub>ZnP<sub>2</sub>O<sub>7</sub>/CF50%wt nanocomposite demonstrated superior performance, achieving 98% MB degradation within 47&#xa0;min, representing a 50% improvement over pure Ag<sub>2</sub>ZnP<sub>2</sub>O<sub>7</sub>. Kinetic studies revealed pseudo-second-order degradation kinetics. The incorporation of CF significantly enhanced photocatalytic efficiency and reduced UV exposure time from 107 to 47&#xa0;min. This research highlights the potential of cellulose-based nanocomposites in improving the photocatalytic activity of metal phosphates for environmental remediation, offering enhanced performance and energy efficiency while addressing waste management concerns through the utilization of cigarette butt waste. </p>

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Cellulose fibers derived from cigarettes butts supporting Ag2ZnP2O7 composite for enhancing photocatalytic dye degradation

  • 期刊论文

  • 发表日期：

    2025年6月26日

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  • Halima El Harakati,
  • Meryem Moutataouia,
  • Ahmed Amine Arajli,
  • Nihad Chakri,
  • Miloudi Hlaibi,
  • Noureddine Kamil

摘要

This study investigates the synthesis and characterization of silver zinc phosphate (Ag2ZnP2O7) and its nanocomposite with cellulose fibers (CF) extracted from cigarette butts for photocatalytic applications. The materials were synthesized using a coprecipitation method and characterized using XRD, SEM–EDX, FTIR, and UV–Vis spectroscopy. The photocatalytic activity was evaluated through the degradation of methylene blue (MB) under UV irradiation. Pure Ag2ZnP2O7 achieved 70% MB degradation after 107 min of UV exposure. Notably, the Ag2ZnP2O7/CF50%wt nanocomposite demonstrated superior performance, achieving 98% MB degradation within 47 min, representing a 50% improvement over pure Ag2ZnP2O7. Kinetic studies revealed pseudo-second-order degradation kinetics. The incorporation of CF significantly enhanced photocatalytic efficiency and reduced UV exposure time from 107 to 47 min. This research highlights the potential of cellulose-based nanocomposites in improving the photocatalytic activity of metal phosphates for environmental remediation, offering enhanced performance and energy efficiency while addressing waste management concerns through the utilization of cigarette butt waste.