TY - JOUR
T1 - Electron transfer in a donor-substituted acridinium dye
T2 - Evidence for dynamical solvent control
AU - Horng, M. L.
AU - Dahl, K.
AU - Jones, G.
AU - Maroncelli, M.
N1 - Funding Information:
The authors acknowledge the US Department of Energy, Office of Basic Energy Sciences, for the support of this work. We would also like to thank Joseph Gardecki for performing many initial explorations on donor-substituted acridinium compounds.
PY - 1999/12/31
Y1 - 1999/12/31
N2 - Time-resolved emission is used to explore the intramolecular excited-state electron transfer in a donor-substituted acridinium dye in a variety of solvents at room temperature. Emission decays are predominantly bi-exponential, with the faster of the two time constants being a good measure of the charge transfer time. In 14 high-polarity solvents this time is correlated to the solvation times previously measured with the solvation probe Coumarin 153 via an apparent power law, τLE→CT≈8.4〈τ〉solv 0.65. In solvents less polar than acetone the times observed deviate widely from this relationship, probably due to the effects of ion pairing.
AB - Time-resolved emission is used to explore the intramolecular excited-state electron transfer in a donor-substituted acridinium dye in a variety of solvents at room temperature. Emission decays are predominantly bi-exponential, with the faster of the two time constants being a good measure of the charge transfer time. In 14 high-polarity solvents this time is correlated to the solvation times previously measured with the solvation probe Coumarin 153 via an apparent power law, τLE→CT≈8.4〈τ〉solv 0.65. In solvents less polar than acetone the times observed deviate widely from this relationship, probably due to the effects of ion pairing.
UR - https://www.scopus.com/pages/publications/0000371280
UR - https://www.scopus.com/pages/publications/0000371280#tab=citedBy
U2 - 10.1016/S0009-2614(99)01258-0
DO - 10.1016/S0009-2614(99)01258-0
M3 - Article
AN - SCOPUS:0000371280
SN - 0009-2614
VL - 315
SP - 363
EP - 370
JO - Chemical Physics Letters
JF - Chemical Physics Letters
IS - 5-6
ER -