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.
The plasma treatment time of graphene nanosheets are: (a) 0 s, (b) 1 s and (c) 2 s respectively. The red solid lines indicate the locations where the cross-sectional profiles are taken.
