Figure 4.
Zinc oxide structures: (a) solids; (b) ellipsoids; (c) rods; and (d) flakes [60].
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.