Journal of Nanomaterials / 2018 / Article / Fig 4

Research Article

Exploring the Capability of HAADF-STEM Techniques to Characterize Graphene Distribution in Nanocomposites by Simulations

Figure 4

Atomic models (dimension in nm) exemplifying different dispersion degrees in structural graphene-based composites and their simulated HAADF-STEM images: gold-marked (a) and unmarked (e) graphene sheets homogeneously dispersed within the amorphous matrix. Two graded inhomogeneous dispersion models: random dispersion model (b) and a grouped one (c). A homogeneous model consists of unmarked graphene layers (d). (f) Fitted probability distribution graphs. FWHM of the curves and correlation coefficients are shown in the image.

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