Fig. 3.
Raman spectra of AgNPs recorded with laser excitations of 632.8 nm and 785 nm. The main wavenumbers discussed further in text are pointed
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.