Figure 1.
(a) Schematic of synthesis of NiO nanowire foam (NWF). SEM images of (b) Ni wires, (c) Ni oxalate nanoneedles, (d) Ni nanowires and (e) NiO NWF.
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.