Singlet energy transfer in p-terphenyl crystal doped with tetracene.
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概要
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The transfer of singlet energy in <I>p</I>-terphenyl crystal was measured as a function of the dopant (tetracene) concentration and the temperature. The simple hopping model yields a value of 3×10<SUP>−14</SUP> s. This value is believed to be correct within a factor of 5. In the low temperature phase of the crystal, the energy transfer is temperature dependent with an activation energy of 66 cm<SUP>−1</SUP> in undeuterated <I>p</I>-terphenyl and 90 cm<SUP>−1</SUP> in perdeuterated <I>p</I>-terphenyl. It seems probable that in the low temperature phase the freedom of the conformational change of the molecule plays an important role in the energy migration.
- 公益社団法人 日本化学会の論文
著者
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Kotani Masahiro
Faculty of Science, Gakushuin University
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Shinohara Hiroyuki
Faculty of Science, Gakushuin University