Extended Data Fig. 3: Digital pictures and microscopy images of GOαND+ composite membranes on AAO support. | Nature Energy

Extended Data Fig. 3: Digital pictures and microscopy images of GOαND+ composite membranes on AAO support.

From: Overcoming humidity-induced swelling of graphene oxide-based hydrogen membranes using charge-compensating nanodiamonds

Extended Data Fig. 3

The photos of a. GO-only, b. GO10ND+, c. GO20ND+, and d. GO30ND+ membranes. 2D and 3D height surface AFM images of e. GO-only, f. GO10ND+, g. GO20ND+, and h. GO30ND+ membranes; the scan area is 10 μm × 10 μm. Surface SEM images of i. GO, j. GO10ND+, k. GO20ND+, and l. GO30ND+ membranes. The surface morphology of membranes gradually became rougher when the ND+ particles are added. The rough microstructure without any severe agglomeration of ND+ particles confirmed the uniform dispersion of ND+ particles, even at a relatively high loading of 30 wt.%.

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