Figure 2.
FESEM images of (a) parent NAA support and (b) support S3. Arrow indicates a certain area where the porous framework can be seen below the organic layer.
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.