Fig. 2From: Uniaxial Drawing of Graphene-PVA Nanocomposites: Improvement in Mechanical Characteristics via Strain-Induced Exfoliation of Graphene a Raman spectroscopy and b atomic force microscopy (representative image with a step height profile) characterization for the estimation of mean nanosheet length < L > ~1 μm and number of layers per flake < N > ~6–8Back to article page