Figure 1

SEM normal view of ZnO@50 nm anatase NTs (a) and cross sections of ZnO@50 nm anatase NTs (b); high magnification micrographs showing the nanostructure of a ZnO@50 nm anatase NT (c), a 600 nm ZnO NT (d) and a 600 nm anatase NT (e).
SEM normal view of ZnO@50 nm anatase NTs (a) and cross sections of ZnO@50 nm anatase NTs (b); high magnification micrographs showing the nanostructure of a ZnO@50 nm anatase NT (c), a 600 nm ZnO NT (d) and a 600 nm anatase NT (e).