Figure 4
TEM images of electrospun composite fiber calcined at 550°C then preserved heat at N 2 for 4 h; the right image is the high-resolution TEM image.
Figure 4 | Nanoscale Research Letters
TEM images of electrospun composite fiber calcined at 550°C then preserved heat at N 2 for 4 h; the right image is the high-resolution TEM image.