Abstract
Simultaneous application of laser absorption spectroscopy and laser induced fluorescence allowed us to obtain kinetic and spectroscopic properties of the dye 3-3′-diethyloxacarbocyanine iodide (DOCI). Photophysical and spectroscopic parameters of the photoisomeric species of DOCI, such as fluorescence quantum yield, isomerization and back-isomerization quantum yields, were obtained. The method developed provides a complete description for a single photoisomerization process and an accurate value of the photoisomeric fluorescence quantum yield, relative to the corresponding value of the normal species.
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More From: Journal of Photochemistry & Photobiology, A: Chemistry
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