The Radiophoto-luminescence of γ-Irradiated Hydrocarbon Glasses at 77 K

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概要

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• The radiophoto-luminescence (RPL) from γ-irradiated hydrocarbon glasses, <I>i.e.</I>, 3-methylhexane, methylcyclohexane, and ethylcyclohexane, containing small amounts of various aromatics (1,3,5-trimethylbenzene, biphenyl, naphthalene, and 1,4-diazine) is investigated at 77 K by infrared-light irradiation. The spectra of the R PL consist of the fluorescence and phosphorescence of the guest aromatic molecule, and the ratio of the phosphorescence to the fluorescence intensity is larger than that in the photoexcitation, indicating the existence of another path to the triplet state. The RPL is quenched by the addition of N<SUB>2</SUB>O, but it is not much affected by that of NH<SUB>3</SUB>. A possible mechanism for the RPL is considered, and its analysis is given.

• 公益社団法人 日本化学会の論文

著者

• Shida Shoji

  Laboratory of Physical Chemistry and Inorganic Chemistry, Tokyo Institute of Technology (Tokyo Kogyo Daigaku)

• Yamazaki Hideo

  Laboratory of Physical Chemistry Tokyo Institute of Technology

• Oka Koichi

  Laboratory of Physical Chemistry, Tokyo Institute of Technology

• Oka Koichi

  Laboratory Physical Chemistry, Tokyo Institute of Technology

• Sato Masabumi

  Laboratory Physical Chemistry, Tokyo Institute of Technology

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