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Electronic Angular Momentum Effects in the Photophysical Behavior of Fullerenes

Published online by Cambridge University Press:  15 February 2011

S. M. Argentine  and
A. H. Francis
S. M. Argentine
Affiliation:
Department of Chemistry, University of Michigan, Ann Arbor, MI 48109-1055
A. H. Francis
Affiliation:
Department of Chemistry, University of Michigan, Ann Arbor, MI 48109-1055
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Abstract

The intensity of the electronic origin in the emission spectrum of C70 exhibits a strong solvent sensitivity. The intensity of this peak increases relative to the vibronic features as the dielectric constant of the solvent increases. This solvent dependence is explained by an extension of Platt's Perimeter Free Electron Orbital model. The fullerenes, in particular C60 and C70, possess a nearly spherical symmetry that gives rise to the presence of significant electronic orbital angular momentum. The unexpected spectral sensitivity is shown to arise from quenching of the electronic angular momentum by the solvent environment.

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 359: Symposium G – Science and Technology of Fullerene Materials , 1994 , 221
Copyright
Copyright © Materials Research Society 1995

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References

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