Highly structured singlet oxygen photoluminescence from crystallineC60
作者： M. K. Nissen , S. M. Wilson , M. L. W. Thewalt
DOI: 10.1103/PHYSREVLETT.69.2423
关键词:
摘要: Crystalline ${\mathrm{C}}_{60}$, after exposure to air, is shown exhibit the characteristic luminescence spectrum of singlet molecular oxygen. The role oxygen verified by measuring large isotope shift ${\mathrm{O}}_{2}$ vibrational mode replica in a sample prepared with $^{18}\mathrm{O}_{2}$. Detailed spectroscopy reveals novel bands which arise from vibronic coupling transition ${\mathrm{C}}_{60}$ molecules. This allows measurement unparalleled sensitivity and precision mg-sized samples.
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