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.
Schematic representation of the available surface area of graphene for molecular interaction. a Pure surface vs b contaminated surface. The red spheres represent molecules that can interact with the surface, while the orange rafts represent the contaminants
