Abstract

Nanometer-sized C60 crystals in a SiO matrix were grown by an inert gas evaporation method. The size of the nanocrystal was varied by changing the evaporation time of the SiO material. We have successfully prepared well-dispersed (C60)n nanocrystals (n∼103) with a narrow size distribution in SiO. The photoluminescence of the C60 nanocrystals in SiO has been investigated and we have found that the photoluminescence spectra were significantly different from that of the C60 solid form (C60 film). Results indicate that the vibronic coupling of the C60 nanocrystals in SiO is strong compared with that of the solid form of C60.

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