Fig. 9.
SEM images. a TiO2-CNF image (magnification × 10,000). b Distribution of diameter size for TiO2-CNF
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.