Fig. 1

The SEM morphologies of the as-received (a) aluminium powder. The morphology of the as-received GNSs observed using (b) SEM and (c) TEM. The inset shows a high-resolution micrograph of the lattice of the GNSs, with indicated number of layers
The SEM morphologies of the as-received (a) aluminium powder. The morphology of the as-received GNSs observed using (b) SEM and (c) TEM. The inset shows a high-resolution micrograph of the lattice of the GNSs, with indicated number of layers