Abstract
A comparative study of the fluorescence of solutions and crystals of isomeric boron difluoride acetylnaphtholates, 2-acetyl-1-naphtholate (1) and 1-acetyl-2-naphtholate (2), was performed. The compounds only differ in the position of the naphthyl group with respect to the chelate ring. An important role played by the stacking factor in the formation of the fluorescent properties of the complexes was revealed. The planar structure of the molecule and effective overlapping of the π systems of neighboring molecules of 1 cause a substantial bathochromic shift of its spectrum and a sharp increase in the intensity of excimeric fluorescence.
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Original Russian Text © E.V. Fedorenko, A.G. Mirochnik, V.E. Karasev, B.V. Bukvetskii, 2006, published in Zhurnal Fizicheskoi Khimii, 2006, Vol. 80, No. 12, pp. 2192–2195.
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Fedorenko, E.V., Mirochnik, A.G., Karasev, V.E. et al. The structure and luminescence of isomeric boron difluoride acetylnaphtholates. Russ. J. Phys. Chem. 80, 1953–1956 (2006). https://doi.org/10.1134/S0036024406120156
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DOI: https://doi.org/10.1134/S0036024406120156