An official website of the United States government
Here's how you know
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.
Fig. 7. Fluorescence up-conversion time-resolved kinetic traces for 3-HTCA in CH2Cl2. (a) A comparison of the emission decays and rises at indicated excitation and emission wavelengths. (b) Upon 350 nm excitation, the dynamics of relaxation of the normal emission acquired at several different wavelengths.