Figure 7.
FTIR spectra of Fe3O4 NPs using (a) Tween-80 surfactant, (b) SDS surfactant, and (c) silica-coated Fe3O4 NPs.
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.