Sonochemical Preparation and Subsequent Fixation of Oxygen-Free Graphene Sheets at N,N-Dimethyloctylamine-Aqua Boundary

Figure 6

(a, b) TEM microphotos (in the bright and dark fields, accordingly) of graphene films obtained from the decanted liquid substance after graphene-containing colloid sedimentation during 12 hrs (Gr₁ fraction). (c, d) Electron diffraction patterns for the different regions of the sample.

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(b)

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