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PHOTOPHYSICAL STUDIES OF PYRENE INCORPORATED IN NAFION MEMBRANES *
Author(s) -
Lee Plato C.,
Meisel Dan
Publication year - 1985
Publication title -
photochemistry and photobiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.818
H-Index - 131
eISSN - 1751-1097
pISSN - 0031-8655
DOI - 10.1111/j.1751-1097.1985.tb03442.x
Subject(s) - pyrene , chromophore , phosphorescence , photochemistry , excimer , fluorescence , membrane , chemistry , molecule , organic chemistry , optics , biochemistry , physics
— High concentrations of organic chromophores, in particular pyrene, were found to incorporate into the cluster network of water swollen Nation. The vibrational structure of the fluorescent molecule and its fluorescence lifetime were used to probe the location of pyrene in this structure. Strong heavy‐atom induced room temperature phosphorescence was observed from the chromophore in the water swollen membrane. Excimer formation in tm‐butanol swollen Nation was observed and was utilized to estimate the micro viscosity in this system.