Time-resolved fluorescence and absorption spectroscopies of porphyrin J-aggregates

Hideaki Kano; Takayoshi Kobayashi

doi:10.1063/1.1421073

Time-resolved fluorescence and absorption spectroscopies of porphyrin J-aggregates

Hideaki Kano, Takayoshi Kobayashi

Physical Chemistry

Research output: Contribution to journal › Article › peer-review

121 Citations (Scopus)

Abstract

The ultrafast relaxation process due to the S₂→S₁ IC was revelead by time-resolved fluorescence and absorption spectroscopies. The decay-time constant of the S₂-fluorescence of the J-aggregate was determined to be 360 ± 70 fs. The recovery from the bleaching of the S₂-exciton band was also studied by the pump-probe spectroscopy and the decay-time constant was consistently obtained to be 300 fs.

Original language	English
Pages (from-to)	184-195
Number of pages	12
Journal	Journal of Chemical Physics
Volume	116
Issue number	1
DOIs	https://doi.org/10.1063/1.1421073
Publication status	Published - Jan 1 2002

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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abstract = "The ultrafast relaxation process due to the S2→S1 IC was revelead by time-resolved fluorescence and absorption spectroscopies. The decay-time constant of the S2-fluorescence of the J-aggregate was determined to be 360 ± 70 fs. The recovery from the bleaching of the S2-exciton band was also studied by the pump-probe spectroscopy and the decay-time constant was consistently obtained to be 300 fs.",

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