Time-domain spectroscopy of the excited state of 2-naphthol: Charge-transfer complexes with triethylamine in polar solvents

Hydrogen-bonded complexes of 2-naphthol-triethylamine have been studied in polar solvents. The ground-state equilibrium constants and excited-state Stern-Volmer quenching rates have been calculated. Time-resolved emission spectra and the decay-associated spectra have shown that in the excited state,...

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Bibliographic Details
Published in:Journal of luminescence 1990-03, Vol.46 (1), p.25-31
Main Authors: Bisht, P.B., Tripathi, H.B., Pant, D.D.
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Exact sciences and technology
Fluorescence and phosphorescence
radiationless transitions, quenching (intersystem crossing, internal conversion)
Molecular properties and interactions with photons
Physics
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Summary:Hydrogen-bonded complexes of 2-naphthol-triethylamine have been studied in polar solvents. The ground-state equilibrium constants and excited-state Stern-Volmer quenching rates have been calculated. Time-resolved emission spectra and the decay-associated spectra have shown that in the excited state, the usual proton-transfer reaction takes place in which a rise time in the kinetic curves of the fluorescence of the exciplex and a large red shift in the spectrum are observed.
ISSN:0022-2313
1872-7883
DOI:10.1016/0022-2313(90)90078-P