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<p>The g-C<sub>3</sub>N<sub>4</sub>/Ag<sub>3</sub>PO<sub>4</sub> nanocomposite with a tube-like structure was prepared by incorporating Ag<sub>3</sub>PO<sub>4</sub> nanoparticles into the surface of g-C<sub>3</sub>N<sub>4</sub> microtubes. The phase, morphology and optical property of the as-prepared nanocomposite were characterized by XRD, SEM, TEM, BET, IR, Raman and UV-Vis, respectively. Results showed that the mean size of Ag<sub>3</sub>PO<sub>4</sub> precipitated on g-C<sub>3</sub>N<sub>4</sub> microtubes was about 80&#xa0;nm which subsequently played vital roles in enhancing the visible optical performance of the nanocomposite. BET testing results showed that the g-C<sub>3</sub>N<sub>4</sub>/Ag<sub>3</sub>PO<sub>4</sub> (20 Wt%) nanocomposite exhibited a relatively larger specific surface area and the value was about 56 m<sup>2</sup>/g. Most importantly, the above nanocomposite had excellent photocatalytic performance in application of the degradation of Rhodamine B in water. Based on the above experimental results, structurally enhanced photocatalytic mechanism has been advised.</p>

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Structurally enhanced photocatalytic performance of tube-like g-C3N4/Ag3PO4 nanocomposites

  • 期刊论文

  • 发表日期：

    2026年5月11日

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  • Zezhong Xu,
  • Dewei Liang,
  • Ya Gao,
  • Jinsong Xie,
  • Chengliang Han

摘要

The g-C3N4/Ag3PO4 nanocomposite with a tube-like structure was prepared by incorporating Ag3PO4 nanoparticles into the surface of g-C3N4 microtubes. The phase, morphology and optical property of the as-prepared nanocomposite were characterized by XRD, SEM, TEM, BET, IR, Raman and UV-Vis, respectively. Results showed that the mean size of Ag3PO4 precipitated on g-C3N4 microtubes was about 80 nm which subsequently played vital roles in enhancing the visible optical performance of the nanocomposite. BET testing results showed that the g-C3N4/Ag3PO4 (20 Wt%) nanocomposite exhibited a relatively larger specific surface area and the value was about 56 m2/g. Most importantly, the above nanocomposite had excellent photocatalytic performance in application of the degradation of Rhodamine B in water. Based on the above experimental results, structurally enhanced photocatalytic mechanism has been advised.