Metal-proximity-induced phosphorescence of C60 molecules

Igor A. Yurchenko; E. Burstein; Dung-Hai Lee; V. Krotov

doi:10.1117/12.306214

20 April 1998 Metal-proximity-induced phosphorescence of C₆₀ molecules

Igor A. Yurchenko, E. Burstein, Dung-Hai Lee, V. Krotov

Proceedings Volume 3359, Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics 1997; (1998) https://doi.org/10.1117/12.306214
Event: International Conference on Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics, 1997, Kiev, Ukraine

Abstract

We discuss recent observations of a metal-proximity-induced fluorescence and phosphorescence of C₆₀ molecules and the key roles that are played in the phenomenon by the metal-induced lowering of the symmetry of the molecules, and the exchange Coulomb spin-flipping scattering and virtual electron hopping (superexchange) between the triplet excitons of the C₆₀ molecules and the electrons in the metal, which lead to a mixing of the singlet and triplet excitons. The enhancement of phosphorescence by the mixing of singlet and triplet exciton states via their exchange interactions with the electrons in the substrate should in general also occur for molecules in close proximity to surfaces having atoms or molecules with incompletely filled outer shells.

Citation Download Citation

Igor A. Yurchenko, E. Burstein, Dung-Hai Lee, and V. Krotov "Metal-proximity-induced phosphorescence of C₆₀ molecules", Proc. SPIE 3359, Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics 1997, (20 April 1998); https://doi.org/10.1117/12.306214

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