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.
(A) Schematic illustrating the multi-step preparation of nanorattles. To a Au/Ag (in orange) nanoparticle, Ag (in blue) is deposited on its surface; the galvanic replacement reaction with HAuCl4 then transforms the Ag layer into a Au/Ag shell. (B) Schematic illustrating the multi-step preparation of multiple-walled nanoshells, beginning with a Ag nanoparticle. (C) TEM of nanorattles. (D) TEM of multiple-walled Au/Ag nanoshells.42
