Figure 2.
Transmission electron microscopy (TEM) images of: (a) 16 nm seeds; (b) 105 nm AuNPs; (c) 105 nm AuNPs with 1.5 nm TiO2 coating; and (d) 105 nm AuNPs with 4 nm TiO2 coating.
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.