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.
SEM images at (a) low and (b) high magnification. (c) TEM images of the RGO stack. (d) EDS line-profile showing the functional groups on RGO and (e) relative signals of C and O from the EDS line-profile image.
