Figure 7.
(a–d) Optical images of graphene grown by GO and PVA at 1000 °C for 2 min (a), 5 min (b), 15 min (c,d), respectively. (e) AFM image of graphene by PVA with GO seeds after 15 min. (f) the corresponding height curve.
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.