Abstract
DELAYED fluorescence lifetimes and spectra have been observed from crystals of naphthalene, anthracene, pyrene, 3,4-benzpyrene, t-stilbene and p-terphenyl, using conventional techniques1. In each case a delayed fluorescence spectrum was observed with a resolution of 8 nm, the spectrum being identical with the prompt fluorescence spectrum. Precautions reported necessary for the observation of delayed fluorescence from microcrystalline samples2 were not found important in the present work, as the crystals used were at least 1 mm thick.
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MOORE, G., MUNRO, I. Delayed Fluorescence from Organic Crystals. Nature 208, 772–773 (1965). https://doi.org/10.1038/208772b0
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DOI: https://doi.org/10.1038/208772b0
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