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Journal of Physical Chemistry
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Vibrational population inversion in aniline following trapping/desorption from fullerene surfaces

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Abstract

Aniline molecules were state selectively detected using multiphoton ionization following trapping/desorption from amorphous C60 and C70 films, and from single-crystal C60 surfaces. Vibrational population inversion was observed in all three cases in the inversion mode of the NH2 group. The vibrational excitation was much less efficient for scattering from a LiF single-crystal surface. A charge-transfer model rationalizes the observations and indicates that the fullerene surfaces strongly interacts with molecules with low ionization potentials. © 1992 American Chemical Society.

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Journal of Physical Chemistry

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