Figure 1.
Structural characterization of Co3O4 catalysts. (a–c) SEM and (d–f) HRTEM images (insets of d–f are the corresponding FFT images), (g) XRD patterns, (h) Co 2p3/2 XPS spectra, and (i) Raman spectra of c-Co3O4, o-Co3O4, and h-Co3O4.
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.