Figure 6.
Top view of TiO2 nanotubes after anodic oxidation procedure at 25 V in a glycerol-water mixture with ammonium fluoride electrolyte at low (a) and high magnification (b).
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.