Figure 4.
High-resolution C 1s spectra of (a) surface C and (b) surface D1, showing peak fits for C–C at 284.8 eV, C–O and C–N at 286.5 eV, and C═O at 290.0 eV.
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.