Near-infrared absorption spectroscopy of toluene-sulfonate-diacetylene crystals |
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| Authors: | H. Eichele E. Herath Ch. Kröhnke |
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| Affiliation: | Lehrstuhl für Experimentalphysik II, Universität Bayreuth, D-8580 Bayreuth, West Germany;Institut für Makromoleculare Chemie, Hermann-Staudinger-Haus, Universität Freiburg, D-7800 Freiburg, West Germany |
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| Abstract: | The near-infrared (NIR) absorption of toluene-sulfonate-diacetylene crystals (PTS) has been investigated during thermal polymerization. It is shown by comparative NIR and IR spectroscopy of deuterated and of protonated PTS at various temperatures, that these absorptions are vibronic in nature. They can be assigned unambiguously to distinct parts of the molecule. No low-lying electronic state has been found. |
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