Fig. 5. TEM images of samples: Fe@SBA-15 (a) lowest and (b) highest concentration of NPs, Fe@SBA-16 (c) low and (d) high concentration of NPs, Gd@SBA-15 (e) low and (f) high concentration of NPs, Gd@SBA-16 (g) low and (h) high concentration of NPs.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.