Figure 2
SEM images of (a) ZnO NRAs, (b) ZnO@PPy core-shell NRAs and (c) PPy NTAs after etching ZnO nanorods. (d) TEM image of a typical PPy nanotube.
Figure 2 | Scientific Reports
SEM images of (a) ZnO NRAs, (b) ZnO@PPy core-shell NRAs and (c) PPy NTAs after etching ZnO nanorods. (d) TEM image of a typical PPy nanotube.
