Figure 2.
SEM images of (a) g-C3N4, (b) SnO2 and (c) SnO2/g-C3N4-7 composite, (d) the EDS mappings of C, N, O, and Sn elements related to the selected area in (c).
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.