新しいレーザー分光法による光化学の動的過程の研究

概要

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Two-step laser excitation (TSLE) time-resolved fluorescence has been developed as one of the recent developments of laser spectroscopy for the investigations on the kinetics and dynamics of unstable molecules in the photochemical processes. Applications of the TSLE fluorescence to the excited-state proton transfer and isomerization in the several inter- and intramolecular hydrogen bonding systems have been reviewed. The TSLE fluorescence consists of formation of unstable species by the first laser excitation. which were observed first in the excited state proton transfer by us, and of the fluorescence observation by the second laser excitation of unstable species. Further, variable delay technique provides us with the time-resolved spectra and decays of several unstable species having different lifetimes and spectra both in the ground and excited states. A possibility of three dimensional time-resolved fluorescence spectroscopy is suggested.
公益社団法人日本薬学会の論文
1985-09-25