Abstract
In view of the discrepancies between the values available in the literature for the photophysical parameters of tetraazaporphin in solutions, we measured its quantum yield and duration of fluorescence in a number of solvents. It has been found that alcohols (isobutanol and isopropanol) quench the fluorescence appreciably. For a solution in toluene — a stable chemically inactive and low-polar solvent — the measured quantum yield of the fluorescence of tetraazaporphin is equal to 0.180 ± 0.015 and its duration is 3.4 ± 0.1 nsec.
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Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 72, No. 5, pp. 697–699, September–October, 2005.
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Shushkevich, I.K., Pershukevich, P.P., Stupak, A.P. et al. Influence of a Solvent on the Quantum Yield and Duration of the Fluorescence of Tetraazoporphin. J Appl Spectrosc 72, 767–770 (2005). https://doi.org/10.1007/s10812-005-0146-x
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DOI: https://doi.org/10.1007/s10812-005-0146-x