Figure 4.
SEM images of the CsE aerogels (A) 50×; (B) 1000×; (C) 2000×; and, (D) 10,000× magnification.
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.