Figure 1.
SEM images of (a) pure graphite, (b) rGO-120, (c) rGO-200, (d) rGO-250, (e) rGO-300 and HR-TEM image of (f) rGO-250 prepared by the modified Hummer's method.
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.