Optical detection of the zero field splittings in the phosphorescent triplet state of neat SO2 crystals |
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| Affiliation: | 1. School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan, 453007, PR China;2. Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan, 453007, PR China;1. Guangxi Key Laboratory of Electrochemical and Magneto-chemical Function Materia, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, 541004, China;2. Tianjin International Center for Nanoparticles and Nanosystem, Tianjin University, Tianjin, 300072, China;1. Department of Pharmaceutical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China;2. Key Laboratory of Systems Bioengineering, Ministry of Education, Tianjin 300350, China;3. School of Marine Science and Technology, Tianjin University, Tianjin 300072, China |
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| Abstract: | The zero field transition energies in the phosphorescent triplet state of neat SO2 are directly measured by optical detection at 1.4°K, leading to |D| = 0.275 cm−1 and |E| = 0.01575 cm−1 for the usual spin hamiltonian parameters. Two spin states are found to be active in the phosphorescence with the dominant spin state having a lifetime of 2 msec. |
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