Optical and Electronic Properties of Fullerenes and by Joseph Shinar

By Joseph Shinar

This article covers a number of fullerene purposes, together with nanotubes, compounds of fullerenes with different components and buildings and polymerized fullerenes. It discusses houses of photoexcited states of fullerenes, impartial and charged states, nonlinear optical reaction (NLO) and electron-electron interactions.

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As a result, the annihilation rate, even for relatively large interexciton separations, would be expected to be significantly higher than the diffusion rate, and the nonexponential dynamics in solid C 60 can be understood in terms of Fo¨rster exciton annihilation in the limit of slow diffusion. The rate equation (6) also includes a rate β that reflects a monomolecular decay process. Fits to Eq. (7), as well as fits to data acquired over longer time ranges at low excitation density, give a value β Ϸ 10 10 s Ϫ1.

27. I. V. Bezel, S. V. Chekalin, Y. A. Matveets, A. G. Stepanov, A. P. Yartsev, and V. S. Letokhov, Chem. Phys. Lett. 218, 475–478, 1994. Ultrafast Dynamics in Fullerenes 41 28. J. B. Birks, Photophysics of Aromatic Molecules, Wiley-Interscience, New York, 1970. 29. A. Suna, Phys. Rev. B 1, 1716–1738, 1970. 30. V. M. Kenkre, Phys. Rev. B 22, 2089–2097, 1980. 31. T. Forster, Delocalized excitation and excitation transfer, in Modern Quantum Chemistry, Part III: Action of Light and Organic Crystals (O.

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