Figure 4.
(a) XPS spectra and C1 XPS spectra of (b) graphite, (c) GO, (d) GO-OH, (e) GO-TCT, and (f) GO-TCT-Tris and N1s XPS spectra of (g) GO-TCT and (h) GO-TCT-Tris.
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.