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<p>A novel S-scheme heterojunction photocatalyst based on 2D g-C<sub>3</sub>N<sub>4</sub> nanosheets modified by 1D TiO<sub>2</sub> nanotubes (TNTs) has been successfully prepared. The successful fabrication of 2D/1D g-C<sub>3</sub>N<sub>4</sub>/TNTs S-scheme photocatalysts by hydrothermal method and thermolysis processes was confirmed through a variety of characterization methods (HR-TEM, XRD, and FTIR). The g-C<sub>3</sub>N<sub>4</sub>/TNTs S-scheme heterojunction expressed advances in the degradation of nitrogen oxide (NO), a harmful environmental pollutant. In detail, 2D/1D g-C<sub>3</sub>N<sub>4</sub>/TNTs heterojunctions demonstrated the most effective decomposition of NO and their ability to remain stable under visible-light conditions, achieving the removal of over 66.44% of NO at 550&#xa0;ppb during the entirety of the experiment.</p>

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2D/1D Heterojunction of g‐C3N4/TiO2 as an Efficient Photocatalyst for NOx Removal

  • 期刊论文

  • 发表日期：

    2025年6月9日

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  • Pho Thi Le,
  • Khanh Quang Nguyen,
  • Tin Chanh Duc Doan,
  • Viet Van Pham

摘要

A novel S-scheme heterojunction photocatalyst based on 2D g-C3N4 nanosheets modified by 1D TiO2 nanotubes (TNTs) has been successfully prepared. The successful fabrication of 2D/1D g-C3N4/TNTs S-scheme photocatalysts by hydrothermal method and thermolysis processes was confirmed through a variety of characterization methods (HR-TEM, XRD, and FTIR). The g-C3N4/TNTs S-scheme heterojunction expressed advances in the degradation of nitrogen oxide (NO), a harmful environmental pollutant. In detail, 2D/1D g-C3N4/TNTs heterojunctions demonstrated the most effective decomposition of NO and their ability to remain stable under visible-light conditions, achieving the removal of over 66.44% of NO at 550 ppb during the entirety of the experiment.