Absorption spectra and dynamics of the triplet state in p-terphenyl powder systems: A diffuse reflectance laser photolysis study.
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概要
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A microcomputer-controlled nanosecond diffuse reflectance laser photolysis system was developed and applied to <I>p</I>-terphenyl powder systems. The triplet absorption spectrum of microcrystalline powders is broader and red-shifted compared to the molecular triplet state in solution. Possible contributions of an optical artifact and an impurity were rejected by examining powder systems doped with naphthacene and diluted with NaCl as well as poly(methyl methacrylate). <I>p</I>-Terphenyl adsorbed on silica gel and included in β-cyclodextrin gave different triplet spectra, which are interpreted in terms of conformational structure of <I>p</I>-terphenyl. Decay processes and an oxygen effect are also discussed.
- 公益社団法人 日本化学会の論文
著者
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MASUHARA Hiroshi
Department of Allied Physics,Osaka University
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FUKUMURA Hiroshi
Department of Chemistry, Graduate School of Science, Tohoku University
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Ikeda Noriaki
Department Of Chemistry College Of Humanities And Sciences Nihon University
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Koshioka Masanori
Department Of Polymer Science And Engineering Kyoto Institute Of Technology
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Koshioka Masanori
Department of Polymer Science and Engineering, Kyoto Institute of Technology
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MASUHARA Hiroshi
Department of Polymer Science and Engineering, Kyoto Institute of Technology
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Mizuma Hirokazu
Department of Polymer Science and Engineering, Kyoto Institute of Technology
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Imagi Keiji
Department of Polymer Science and Engineering, Kyoto Institute of Technology
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Kryschi Carola
Lehrstuhl für Festkörperspektroskopie, Institut für Physik der Kondensierten Materie, Heinrich-Heine-Universität Düsseldorf
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Fukumura Hiroshi
Department of Polymer Science and Engineering, Kyoto Institute of Technology
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