Figure 4.
Typical SEM images of ZnO nanowires before PEC measurement. a) Top view of Co-Pi/ZnO. b) Top view of Ni-B/ZnO. c) Side view of Co-Pi/ZnO. d) Side view of Ni-B/ZnO. e) Side view of bare ZnO.
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.