Effect of heating time on structural, morphology, optical, and photocatalytic properties of g-C3N4 nanosheets |
FE-SEM images of g-C3N4 nanosheets synthesized at 550 °C with different preparation time: (a) 0.5 h, (b) 1.0 h, (c) 2.0 h, and (d) 2.5 h. |
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