Fig. 2: Piezoelectric property of g-C3N4 few-layers.
a 3D AFM profile. b 2D AFM profile. c PFM amplitude profile. d PFM phase profile. e Displacement-voltage and phase-voltage curves. f Calculation of d11.
Fig. 2: Piezoelectric property of g-C3N4 few-layers. | npj Clean Water
