Figure 2

TEM image of SnO₂@C@half-rGO. (a) The rGO-half-supported clusters in SnO₂@C@half-rGO. (b) The SAED pattern of SnO₂@C@half-rGO. (c) Magnified image on the edge of the clusters, showing the flexuose stripe of rGO lattice. (d) HRTEM of the SnO₂ nanoparticles in SnO₂@C@half-rGO.