Figure 2.
Vis–NIR spectra of NPs in water (red lines), after adding PEG-SH in water (blue lines) and after coating with PEG/DDT and transfer into CHCl3 (green lines). TEM images for Au 100 (a, e), bAuNSs (b, f), AuNRs (c, g), and Ag 100 (d, h).
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.