Figure 3. SEM images of monodisperse α-Fe2O3 particles with capsule shapes.
(a).SEM image (b), TEM images (c–e), and HRTEM micrographs (f) of as-synthesized hollow SnO2@TiO2 nanocapsules. The inset in (d) shows EDX analysis.
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.