The nature of enhanced linear and nonlinear optical effects in fullerene solutions

E. F. Sheka, B. S. Razbirin, A. N. Starukhin, D. K. Nelson, M. Yu Degunov, R. N. Lyubovskaya, P. A. Troshin

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

The "blue" emission from fullerene C60 and its derivatives in frozen toluene solution is discovered and analyzed in the framework of the electromagnetic theory of enhanced optical effects. It is shown that the emission, combining enhanced spectra of Raman scattering and one-photon luminescence, is due to clustering of fullerene molecules in solution. Photoexcitation of charge-transfer excitons in clusters provides the polarization required for the enhancement. A direct relationship is established between the observed phenomenon and nonlinear optical properties of the medium. Empirical and computational tests are proposed to select matrices with various nonlinear optical properties.

Original languageEnglish
Pages (from-to)738-750
Number of pages13
JournalJournal of Experimental and Theoretical Physics
Volume108
Issue number5
DOIs
Publication statusPublished - May 2009
Externally publishedYes

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