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) TEM image of hr-CDs (inset: high-resolution TEM (HR-TEM)). (b) UV–vis spectra of solutions of hydrogenated rosin (10 μg/mL) and hr-CDs (10 μg/mL). (c) FTIR spectra of hr-CDs and hydrogenated rosin. (d) 1H NMR spectra of hr-CDs. High-resolution XPS C 1s (e) and O 1s (f) of hr-CDs.
