Fig. 5: Crystalline order of 8% stretching ratio and direct-cast graphene papers.

a−d High-resolution TEM images of 8%-GPs (a, b) and direct-cast GPs (c, d), respectively. The insets of (a) and (c) correspond to the FFT images. Scale bars, 5 nm (a, c), 2 nm (b, d), and 5 nm⁻¹ (insets of a, c).