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Confinement Effects of Cyclodextrin on the Photodynamics of Few Selected Systems

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Abstract

In this contribution, we discuss the effect of cyclodextrins (CDs) on the photorelaxation of three molecules showing proton and charge transfer reactions. Using steady-state and picosecond time-resolved emission spectroscopy, we show that the confinement due to the restriction of CDs and the H-bonding network of their OH-groups involving water molecules found at its gates play an important role for both spectral and time domains. Anisotropy experiments give different rotational times following the nature and stoichiometry of the formed complexes.

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Acknowledgments

This work was supported by the MEC and the JCCM through the projects: MAT2002-01829, SAN-04-000-00 and PBI-05-046.

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Authors and Affiliations

  1. Departamento de Química Física, Sección de Químicas, Facultad de Ciencias del Medio Ambiente, Universidad de Castilla-La Mancha, Avda. Carlos III, S.N. 45071, Toledo, Spain

    J. A. Organero, L. Tormo, M. Sanz, L. Santos & A. Douhal

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  1. J. A. Organero
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  2. L. Tormo
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  3. M. Sanz
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  4. L. Santos
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  5. A. Douhal
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Correspondence to A. Douhal.

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Organero, J.A., Tormo, L., Sanz, M. et al. Confinement Effects of Cyclodextrin on the Photodynamics of Few Selected Systems. J Incl Phenom Macrocycl Chem 56, 161–166 (2006). https://doi.org/10.1007/s10847-006-9077-2

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  • DOI: https://doi.org/10.1007/s10847-006-9077-2

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