Emission spectrum of 9,10-anthraquinone vapor |
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| Affiliation: | 1. Laboratory of Green Chemistry, Faculty of Technology, Lappeenranta University of Technology, Sammonkatu 12, FIN-50130 Mikkeli, Finland;2. Key Laboratory of Membrane Separation of Shaanxi Province, School of Environmental and Municipal Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, PR China;3. Department of Civil and Environmental Engineering, Florida International University, Miami, FL 33174, USA;1. Laboratory of Fluid Separations, Department of Biochemical and Chemical Engineering, TU Dortmund University, Emil-Figge-Straße 70, 44227 Dortmund, Germany;2. Laboratory of Industrial Chemistry, Department of Biochemical and Chemical Engineering, TU Dortmund University, Emil-Figge-Straße 66, 44227 Dortmund, Germany;3. Institute of Process Systems Engineering, Hamburg University of Technology, Am Schwarzenberg-Campus 4, 21073 Hamburg, Germany;1. Department of Chemistry, University of Bath, Claverton Down, Bath, BA2 7AY, UK;2. International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, 305-0044, Japan;3. Graduate School of Chemical Sciences and Engineering, Hokkaido University, Kita 10 Nishi 8, Kita-ku, Sapporo, Japan;4. Department of Chemistry, Faculty of Science, Hokkaido University, Kita 10 Nishi 8, Kita-ku, Sapporo, Japan;5. Department of Biology and Biochemistry, University of Bath, Claverton Down, Bath, BA2 7AY, UK |
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| Abstract: | Emission and excitation spectra of 9,10-anthraquinone in the vapor phase have been measured and compared with those in the condensed phases. It is shown that the emission of 9,10-anthraquinone vapor consists of the S1 (n,π*) → S0 fluorescence and T1 (n,π*) → S0 phosphorescence, with the origins at 23 700 and 22 030 cm−1, respectively. The present study presents new measurements that substantially clarify the emission behavior of this molecule in the vapor phase. |
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