Figure 2.
(a) Photoluminescent (PL) spectra excited at 375 to 415 nm with an interval of 10 nm. Inset: PL spectra excited at different wavelengths are normalized. (b) Excitation spectra monitored at emission wavelengths of 455, 465, and 475 nm.
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.