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. 2021 May 8;11(5):1240. doi: 10.3390/nano11051240

Figure 13.

Figure 13

Cross-sectional SEM image of the rGO/MWCNT fibre at low (a) and high (b) magnifications (Reproduced with permission of [34]. Copyright American Chemical Society, 2017). Schematic representation of the microstructure and energy storage characteristics of the rGO-CNT-polypyrrole (PPy) film (c) (Reproduced with permission of [35]. Copyright Elsevier, 2011).