Fig. 1

The CDs as prepared are displayed in representative TEM (a,b) and HRTEM (c) images. Image (c) shows the crystalline lattice. Histogram (d) shows the size distribution of the CDs.
The CDs as prepared are displayed in representative TEM (a,b) and HRTEM (c) images. Image (c) shows the crystalline lattice. Histogram (d) shows the size distribution of the CDs.