Abstract
WHEREAS the triplet nature of the (π, π*) phosphorescent state of aromatic hydrocarbons has been definitely proved by the electron spin resonance investigations1, the origin of the phosphorescence radiation is far from being understood.
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EL-SAYED, M. Origin of the Phosphorescence Radiation in Aromatic Hydrocarbons. Nature 197, 481–482 (1963). https://doi.org/10.1038/197481a0
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DOI: https://doi.org/10.1038/197481a0
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