Fig. 1.
a Schematics of the fabrication process for the NixCo1−xSe nanocages. Representative SEM images of b the Cu2O cubes and c the Ni0.2Co0.8(OH)2 nanocages. d Representative TEM image of the Ni0.2Co0.8Se nanocages
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.