Figure 1.
(a) Morphology of the bPEI600-based CDs as observed by TEM (scale bar = 200 nm). (b) Optical properties of the CDs: absorption (black), excitation (red), and emission (blue; excitation at 355 nm) spectra.
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.