Enhancement of the quantum efficiency of radiative recombination of the fullerene C70 in a toluene solution
Yu. F. BiryulinA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. PetersburgЛ. В. ВиноградоваA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. PetersburgV. N. ZgonnikA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg
ABI
Abstract
An investigation of the spectra and quantum efficiency of photoluminescence provided direct evidence of the presence of C70 aggregates in a toluene solution. Toluene solutions of C60 and C70 in the proportion 1 g/l and artificial mixtures of these were studied. The hypothesis is put forward that mixed aggregates of C60 and C70 exist.
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