TRIPLET-SINGLET EMISSION SPECTRA OF SOME HETEROCYCLIC AND RELATED MOLECULES

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1956

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Ohio State University

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Triple-Singlet emission spectra taken in rigid glass solutions (EPA) will be presented for indene, indole, thianaphthene, fluorene, carbazole, dibenzofuran and dibenzothiophene. Except for indene, vibrational analyses of the spectra are possible on the basis of known Raman and infrared vibrations. Four other compounds namely cyclopentadiene, pyrrole, furan and thiophene showed no corresponding emission within the limitations of the experiment. The phosphoroscope permitted observation of emission with lifetimes above 0.002 sec. The results will be discussed.

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$^{*}$Charles F. Kettering Foundation Fellow at time of this work. Present address: Charles F. Kettering Foundation, Yellow Springs, Ohio.
Author Institution: Department of Physics, Duke University

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http://hdl.handle.net/1811/7492

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Abstracts of OSU International Symposium on Molecular Spectroscopy 1946-1959