Dynamic intensity borrowing in porphyrin J-aggregates revealed by sub-5-fs spectroscopy

Hideaki Kano; Takashi Saito; Takayoshi Kobayashi

doi:10.1021/jp0026134

Dynamic intensity borrowing in porphyrin J-aggregates revealed by sub-5-fs spectroscopy

Hideaki Kano, Takashi Saito, Takayoshi Kobayashi

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

85 Citations (Scopus)

Abstract

Sub-5-fs spectroscopy of porphyrin J-aggregates reveals a coherent molecular vibration coupled to the Frenkel exciton. The bleaching and induced absorption signals show synchronous oscillations with the frequency of 244 cm^-1. The coherent oscillation is explained by a modulated transition dipole moment, which is due to a dynamic intensity borrowing from the intense B-transition to the weak Q-transition through the ruffling mode with the 244 cm^-1-frequency.

Original language	English
Pages (from-to)	413-419
Number of pages	7
Journal	Journal of Physical Chemistry B
Volume	105
Issue number	2
DOIs	https://doi.org/10.1021/jp0026134
Publication status	Published - Jan 18 2001
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physical and Theoretical Chemistry
Surfaces, Coatings and Films
Materials Chemistry

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10.1021/jp0026134

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abstract = "Sub-5-fs spectroscopy of porphyrin J-aggregates reveals a coherent molecular vibration coupled to the Frenkel exciton. The bleaching and induced absorption signals show synchronous oscillations with the frequency of 244 cm-1. The coherent oscillation is explained by a modulated transition dipole moment, which is due to a dynamic intensity borrowing from the intense B-transition to the weak Q-transition through the ruffling mode with the 244 cm-1-frequency.",

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AB - Sub-5-fs spectroscopy of porphyrin J-aggregates reveals a coherent molecular vibration coupled to the Frenkel exciton. The bleaching and induced absorption signals show synchronous oscillations with the frequency of 244 cm-1. The coherent oscillation is explained by a modulated transition dipole moment, which is due to a dynamic intensity borrowing from the intense B-transition to the weak Q-transition through the ruffling mode with the 244 cm-1-frequency.

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Dynamic intensity borrowing in porphyrin J-aggregates revealed by sub-5-fs spectroscopy

Abstract

All Science Journal Classification (ASJC) codes

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