S. Sankararaman
Department of Optoelectronics, University of Kerala, Trivandrum, India
 

Two-dimensional semiconductor materials have garnered significant attention due to their exceptional electronic, optical, and mechanical properties. Graphitic carbon nitride (g-C₃N₄) is emerging as a next-generation 2D material, distinguished by its unique structural and functional properties. Composed of carbon and nitrogen atoms arranged in a hexagonal lattice, g-C₃N₄ exhibits remarkable thermal stability, chemical inertness, and a tunable bandgap, making it versatile for various applications. g-C₃N₄ shows great potential for various high-temperature applications but its practical application as a heat transfer fluid is still in the research stage. The photothermal technique has gained widespread recognition for its remarkable sensitivity and high signal-to-noise ratio, positioning it as an effective tool for determining the thermal diffusivity of nanofluids. The thermal diffusivity of g-C₃N₄ nanofluid is studied using the thermal lens technique.