Effect of heating time on structural, morphology, optical, and photocatalytic properties of g-C<sub>3</sub>N<sub>4</sub> nanosheets

Effect of heating time on structural, morphology, optical, and photocatalytic properties of g-C₃N₄ nanosheets

Hung Nguyen Manh^{1, 4}, Mai Oanh Le Thi^{1, 2, †}, Hang Lam Thi^{1, 3}, Chung Pham Do², Duyen Pham Thi^{1, 5}, Thang Dao Viet^{1, 4}, Van Minh Nguyen^{1, 2}

(a) Photoluminescence spectra of g-C₃N₄ nanosheets obtained at 550 °C with different preparation time, with inset showing the normalized PL spectra and dot lines being Gaussian fitting for CN-2.0 sample, and (b) PL peak positions varying with heating time.