Abstract:
While the intercalation of C60 and the formation of C 60 - in the supercages of NaX and NaY are confirmed by using 129Xe NMR and ESR, the photophysical properties of C60 and C 60 - are characterized by monitoring transient reflectance spectra and kinetics, fluorescence kinetics, and diffuse reflectance spectra. C 60 - is considerably more abundant in NaY than in NaX. This difference is explained in terms of polarity difference between two zeolites. Both C60 and C 60 - have remarkably elongated excited-state lifetimes due to their collision-free environment in zeolitic nanocavities although C 60 - has much shorter lifetimes than C60. C 60 -, in particular, shows intense absorption and emission due to its reduced symmetry in zeolites.
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Received 13 July 2001 and Received in final form 8 October 2001
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Kwon, OH., Yoo, H. & Jang, DJ. Photophysics of C60 and C 60 - in faujasite zeolites. Eur. Phys. J. D 18, 69–75 (2002). https://doi.org/10.1140/e10053-002-0008-5
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DOI: https://doi.org/10.1140/e10053-002-0008-5