Photoabsorption cross section of H2S |
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| Affiliation: | 1. Center for Combustion Energy, Key Laboratory for Thermal Science and Power Engineering of MOE, International Joint Laboratory on Low Carbon Clean Energy Innovation, Tsinghua University, Beijing 100084, China;2. National Synchrotron Radiation Laboratory of China, University of Science and Technology of China, Hefei 230029, China;1. School of Electrical Engineering, Wuhan University, Wuhan 430072, China;2. State Grid Electric Power Company of Chongqing Yongchuan, 402160, China;3. Department of Electrical and Computer Engineering, Center for Optical Material Science and Engineering Technologies (COMSET), Clemson University, Clemson, SC 29634, USA |
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| Abstract: | The photoabsorption cross sections for H2S were measured in the 47–102 nm region using synchrotron radiation. The absorption cross section in the range of λ > 90 nm showed many small peaks assigned to the 5a1 → 6sa1 Rydberg transition. and in the 77–90 nm region the 2b2 → nda1 (n = 4.5) Rydberg series were observed. At the energies of 18.2. 19.5 and 21.1 eV, small broad peaks were recognized and tentatively assigned to the vertical ionization potentials of the 14A2, 4B1 and 24A2 electronic states of the H2S+ ion, respectively, by comparing with the recent ab initio calculations for the H2S+ energy diagram. |
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