Journal of Nanomaterials / 2019 / Article / Fig 2

Research Article

Preparation of Three-Layer Graphene Sheets from Asphaltenes Using a Montmorillonite Template

Figure 2

XRD patterns of modified montmorillonite (a) and purified graphene sheets (b) and different calcining time of graphene/MMT samples at 600°C (c) and 700°C (d) without erosion treatment and the Raman spectrum (e) of the prepared graphene with 0.82 at around 23.1°.
(a)
(b)
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(e)

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