TY - JOUR
T1 - Femtosecond study of S2 fluorescence in malachite green in solutions
AU - Yoshizawa, M.
AU - Suzuki, K.
AU - Kubo, A.
AU - Saikan, S.
N1 - Funding Information:
This research was supported in part by a Grant-in-Aid for Scientific Research from the Ministry of Education, Science, and Culture of Japan and grants from the Nissan Science Foundation and the Asahi Glass Foundation.
PY - 1998/6/26
Y1 - 1998/6/26
N2 - By using femtosecond fluorescence spectroscopy, the relaxation kinetics of the second electronic excited state (S2) in malachite green has been investigated in several solvents with different viscosity. The decay time of the S2 fluorescence in water solution is obtained to be 0.27 ps and the internal conversion rate from the S2 state to the S1 state is estimated as (1.2 ps)-1. It has also been found that the S2 decay kinetics consists of fast and slow components in high-viscosity solvents. The S2 relaxation is explained in terms of the internal conversion and the torsional configuration change of molecules.
AB - By using femtosecond fluorescence spectroscopy, the relaxation kinetics of the second electronic excited state (S2) in malachite green has been investigated in several solvents with different viscosity. The decay time of the S2 fluorescence in water solution is obtained to be 0.27 ps and the internal conversion rate from the S2 state to the S1 state is estimated as (1.2 ps)-1. It has also been found that the S2 decay kinetics consists of fast and slow components in high-viscosity solvents. The S2 relaxation is explained in terms of the internal conversion and the torsional configuration change of molecules.
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U2 - 10.1016/S0009-2614(98)00483-7
DO - 10.1016/S0009-2614(98)00483-7
M3 - Article
AN - SCOPUS:0032568743
SN - 0009-2614
VL - 290
SP - 43
EP - 48
JO - Chemical Physics Letters
JF - Chemical Physics Letters
IS - 1-3
ER -