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. 2016 Feb 12;2(2):e1501272. doi: 10.1126/sciadv.1501272

Fig. 1. LGG membranes with tuneable interlayer spacing.

Fig. 1

(A) Top: Scanning electron microscopy images of the cross-section of the LGG membranes with dexp compressed to 3.2 nm (left) and 0.5 nm (right), respectively. Bottom: Isotropic SANS patterns of the compressed gel membranes with dexp of 3.9 nm (left) and 0.5 nm (right), respectively. The inset at the upper left corner is a photograph of the LGG membrane. (B) A schematic showing the formation of an array of cascading nanoslits through parallel stacking multiple graphene nanosheets. L, d, and δ are the key geometrical variables of the proposed structural model for describing the porous structure of the LGG membrane. (C) Reduced 1D SANS data offset from the absolute intensity scale. The upper inset on the right shows the slope F from the linear regressions in the q range from 0.001 to 0.01 Å−1 as a function of dexp.