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

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.

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