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<p>g- C<sub>3</sub>N<sub>4</sub> nanosheets promote the finest visible light active photocatalyst in last decay’s, owing to inexpensive, 2D nanomaterial, good stability, excellent bandgap and visible light active semiconductor material. In this paper, we prepared highly active g- C<sub>3</sub>N<sub>4</sub> nanosheets from polymerization of melamine monomer. The photocatalytic behavior and elemental nature has been further analysed by using XRD, UV-DRS, FT-IR, FE-SEM and TEM spectroscopic techniques. Besides, the bandgap ranged from 2.67&#xa0;eV between VB and CB for g- C<sub>3</sub>N<sub>4</sub> nanosheets conforms from UV-DRS analysis. The free electrons present in π bonds of g- C<sub>3</sub>N<sub>4</sub> nanosheets were absorb light energy and electron–hole charge carries formed to attack reactants. Photocatalytic application was worked in the synthesis of N-heterocycles under blue LED irradiation. g- C<sub>3</sub>N<sub>4</sub> nanosheets has enormous activity for the heterocycle synthesis in short reaction time, high yield, ease recovery and reusability to next several runs without cost of its catalytic activity under blue LED medium.</p> Graphical Abstract <p></p>

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Simple, Effective and Green Synthesis of N-Heterocycles Using g- C3N4 Nanosheets as Photocatalyst Under Visible Light Irradiation

  • 期刊论文

  • 发表日期：

    2025年5月26日

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  • Murugan Arunachalapandi,
  • C. Duraivathi

摘要

g- C3N4 nanosheets promote the finest visible light active photocatalyst in last decay’s, owing to inexpensive, 2D nanomaterial, good stability, excellent bandgap and visible light active semiconductor material. In this paper, we prepared highly active g- C3N4 nanosheets from polymerization of melamine monomer. The photocatalytic behavior and elemental nature has been further analysed by using XRD, UV-DRS, FT-IR, FE-SEM and TEM spectroscopic techniques. Besides, the bandgap ranged from 2.67 eV between VB and CB for g- C3N4 nanosheets conforms from UV-DRS analysis. The free electrons present in π bonds of g- C3N4 nanosheets were absorb light energy and electron–hole charge carries formed to attack reactants. Photocatalytic application was worked in the synthesis of N-heterocycles under blue LED irradiation. g- C3N4 nanosheets has enormous activity for the heterocycle synthesis in short reaction time, high yield, ease recovery and reusability to next several runs without cost of its catalytic activity under blue LED medium.

Graphical Abstract