Abstract
The effect of the nature of the substituents and the solvent on the absorption and fluorescence spectra and the fluorescence quantum yields of 1,3-diaryl-4,7-phenanthrolines was studied. Electron-donor groups in the para position of the phenyl ring cause a bathochromic shift of the absorption and fluorescence spectra and an increase in the fluorescence quantum yields. A change in the polarity of the solvent leads to a significant shift of the fluorescence spectra of hydroxy and dialkylamino derivatives of 4,7-phenanthroline.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 12, pp. 1651–1654, December, 1987.
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Kozlov, N.S., Gusak, K.N., Serzhanina, V.A. et al. Spectral-luminescence characteristics of 1,3-diaryl-4,7-phenanthrolines. Chem Heterocycl Compd 23, 1329–1332 (1987). https://doi.org/10.1007/BF00472258
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DOI: https://doi.org/10.1007/BF00472258