Figure 3.
Top-view and cross-sectional SEM images of final ZnO nanostructures. The nanostructures were grown at current densities of (a) -0.1 mA/cm2, (b) -0.5 mA/cm2, (c) -1.0 mA/cm2, (d) -1.5 mA/cm2, (e) -2.0 mA/cm2.
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.