Figure 6.
SEM micrographs of (a,c,e,g) surfaces and (b,d,f,h) cross-sections of (a,b) PPO, (c,d) HSM-PPO, (e,f) IL-PPO, (g,h) (HSM:IL)-PPO membranes.
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.