Figure 7.
TEM images of the CPGC for 10 h with different scale bar (a) 1 μm; (b) 100 nm; (c) 50 nm; (d) 300 nm.
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.