Abstract
We measured the time-dependent fluorescence intensity decays of anthracene and 9,10-dimethylanthracene in propylene glycol quenched by <i>N,N</i>-diethylaniline by frequency-domain fluorometry. The frequency-domain data, for a range of temperatures and diffusion coefficients, are consistent with a rate of quenching which depends exponentially on the fluorophore-quencher separation distance. This type of quenching interaction explains upward curvature in the Stern-Volmer plots. In total, the steady-state and time-resolved data are consistent with a mechanism of quenching due to the electron transfer process from DEA to the singlet excited anthracene molecules.
PDF Article
More Like This
Cited By
You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.
Contact your librarian or system administrator
or
Login to access Optica Member Subscription