Figure 4.
SEM photomicrographs of the ENR–TRGO nanocomposites: (a) F4—250×, (b) F4-B—250×, (c) F4-C—250×, and (d) F4-C—500×.
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.