Abstract

Well-resolved strong fluorescence peaks for C60 dissolved in pyridine in the range from 399 to 750 nm at room temperature are reported. These indicate that C60 has important optical properties and great potential as a new photosensitive and luminescent material. In a C60−pyridine solution, interaction between pyridine and C60, which is further proved by the electroreduction of C60 in pyridine as well as the surface-enhanced Raman scattering (SERS) spectrum of C60, distorts the icosahedral symmetry of C60. The relaxation of selection rules, due to the reduced symmetry of C60 molecule, induces the observed strong fluorescence peaks.

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