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Photophysical behaviour of 2-(dimethylamino)-fluorene in organised assemblies

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Abstract

The effects of cyclodextrins and TX-100 micelles on the fluorescent properties of 2-(dimethylamino)-fluorene (DAF) were studied. The photophysical properties of DAF in the micelle aggregates and cyclodextrins were used to explain how the cavity might affect the dynamics of intramolecular charge transfer and the twisting of the molecule. Results obtained show that α-, β- and γ-cyclodextrins interact in a different way with DAF and different values of quantum yield, lifetimes and absorption and emission wavelength were obtained. Because a small interior cavity size, α-cyclodextrin do not show interaction with DAF. Quenching studies demonstrated that in Triton X-100 micelles, DAF molecules migrated to the non polar region.

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Authors and Affiliations

  1. Department of Analytical Chemistry, Faculty of Science, University of Málaga, Campus de Teatinos s/n, 29071, Malaga, Spain

    Francisco García Sánchez, Manuel Algarra, J. Lovillo, Alfonso Aguilar & Aurora Navas Díaz

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  1. Francisco García Sánchez
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  2. Manuel Algarra
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  3. J. Lovillo
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  4. Alfonso Aguilar
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  5. Aurora Navas Díaz
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Correspondence to Francisco García Sánchez.

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García Sánchez, F., Algarra, M., Lovillo, J. et al. Photophysical behaviour of 2-(dimethylamino)-fluorene in organised assemblies. J Incl Phenom Macrocycl Chem 66, 307–314 (2010). https://doi.org/10.1007/s10847-009-9626-6

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  • DOI: https://doi.org/10.1007/s10847-009-9626-6

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