14—20 eV范围内CO的Rydberg系列

赵玉杰; 王思胜; 单晓斌; 盛六四; 郝立庆; 王振亚; 张杰; 章礼华

doi:10.7498/aps.60.093201

摘要

利用同步辐射和多级光电离吸收池,在14—20 eV (890—620 Å)范围内测量了CO绝对光吸收谱,得到了CO离子态的电离能. 根据CO绝对光吸收谱,结合理论计算,分别识别了收敛到CO+三个电子态(Χ2Σ+, Α2Π和B 2Σ+)的Rydberg系列. 不仅扩充了前人识别的Rydberg系列和振动序列,而且探索性地识别了收敛到CO+

关键词:

Absolute photoabsorption spectrum of CO molecule in the region 14—20 eV(620—890 Å) is measured using synchrotron radiation and multi-stage photoionization chamber, and its ionization energy is obtained. According to the absorption spectrum of CO and theoretical calculation, the Rydberg series converging to the Χ2Σ+, Α2Π, and B2Σ+ states of CO+ are assigned separately. Rydberg series assigned before are extended, Rydberg series converging to the Χ2Σ+ (ν+=2 and 3) of CO+, and n=2 (the real value of n is 3) progressions of the series converging to the Α2Π state of CO+ are identified. At the same time, the absorption spectrum of CO in the region 17.0—17.5 eV (710—730 Å) is also discussed deeply.

Keywords:

作者及机构信息

(1)安庆师范学院物理与电气工程学院,安庆 246133; (2)安庆师范学院物理与电气工程学院,安庆 246133;中国科学技术大学核科学技术学院,国家同步辐射实验室,合肥 230029; (3)中国科学技术大学核科学技术学院,国家同步辐射实验室,合肥 230029; (4)中国科学技术大学核科学技术学院,国家同步辐射实验室,合肥 230029;中国科学院上海应用物理研究所,上海 201800; (5)中国科学院安徽光学精密机械研究所环境光谱学实验室,合肥 230031

基金项目: 国家自然科学基金(批准号: 10874167,10875126)和中科院知识创新工程重大创新项目(批准号: KJCX2-YW-N07)资助的课题.

Authors and contacts

(1)Laboratory of Environmental Spectroscopy, Anhui Institute of Optics Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China; (2)National Synchrotron Radiation Laboratory, School of Nuclear Science and Technology, University of Science and Technology of China, Hefei 230029, China; (3)National Synchrotron Radiation Laboratory, School of Nuclear Science and Technology, University of Science and Technology of China, Hefei 230029, China;Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China; (4)School of Physics and Electrical Engineering, Anqing Normal College, Anqing 246133, China; (5)School of Physics and Electrical Engineering, Anqing Normal College, Anqing 246133, China;National Synchrotron Radiation Laboratory, School of Nuclear Science and Technology, University of Science and Technology of China, Hefei 230029, China

参考文献

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[6]	Cook G R, Hetzger P H, Ogawa M 1965 Canadian J. Phys. 45 1706
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[8]	Ogawa M, Ogawa S 1972 J. Mol. Spectrosc. 41 393
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[10]	Lee L C, Carlson R W, Judge D L 1975 Mol. Phys. 30 1941
[11]	Leyh B, Delwiche J, Hubin-Franskin M J, Nenner I 1987 Chem. Phys. 115 243
[12]	Hardis J E, Ferrett T A, Southworth S H, Parr A C, Roy P, Dehmer J L, Dehmer P M, Chupka W A 1988 J. Chem. Phys. 89 812
[13]	Lefebvre-Brion H 1973 J. Mol. Structure. 19 103
[14]	Leyh B, Raseev G 1986 Phys. Rev. A 34 2920
[15]	Leyh B, Raseev G 1988 J. Chem. Phys. 89 820
[16]	Zhong Z P, Li J M 2004 J. Phys. B: At. Mol. Opt. Phys. 37 735
[17]	Velasco A M, Martin I, Lavin C 2005 Int. J. Quantum Chem. 104 517
[18]	Wang S S, Kong R H, Shan X B, Zhang Y W, Sheng L S, Wang Z Y, Hao L Q, Zhou S K 2006 J. Synchrotron Rad. 13 415
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[22]	Ng C Y, Mahan B H, Lee Y T, 1976 J. Chem. Phys. 65 1956
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施引文献

[1]	Okabe H 1978 Photochemistry of small molecules (Changchun:Jilin People’s Press) p420—421[冈田秀雄 1978 小分子光化学(长春: 吉林人民出版社)第420—421页]
[2]	Evans M, Ng C Y 1999 J. Chem. Phys. 111 8872
[3]	Rauer H, Arpigny C, Boehnhardt H, Colas F, Crovisier J, Jorda L, Kuppers M, Manfroid J, Rembor K, Thomas N 1997 Science 275 1909
[4]	Duncan A B F 1971 Rydberg Series in Atoms and Molecules (New York and London:Academic Press) p49—50
[5]	Huffman R E, Larrabee J C, Tanaka Y 1964 J. Chem. Phys. 40 2261
[6]	Cook G R, Hetzger P H, Ogawa M 1965 Canadian J. Phys. 45 1706
[7]	Ogawa M 1965 J. Chem. Phys. 43 2142
[8]	Ogawa M, Ogawa S 1972 J. Mol. Spectrosc. 41 393
[9]	Lee L C, Carlson R W, Judge D L, Ogawa M 1972 J. Quant. Spectrosc. Radiat. Transfer 13 1023
[10]	Lee L C, Carlson R W, Judge D L 1975 Mol. Phys. 30 1941
[11]	Leyh B, Delwiche J, Hubin-Franskin M J, Nenner I 1987 Chem. Phys. 115 243
[12]	Hardis J E, Ferrett T A, Southworth S H, Parr A C, Roy P, Dehmer J L, Dehmer P M, Chupka W A 1988 J. Chem. Phys. 89 812
[13]	Lefebvre-Brion H 1973 J. Mol. Structure. 19 103
[14]	Leyh B, Raseev G 1986 Phys. Rev. A 34 2920
[15]	Leyh B, Raseev G 1988 J. Chem. Phys. 89 820
[16]	Zhong Z P, Li J M 2004 J. Phys. B: At. Mol. Opt. Phys. 37 735
[17]	Velasco A M, Martin I, Lavin C 2005 Int. J. Quantum Chem. 104 517
[18]	Wang S S, Kong R H, Shan X B, Zhang Y W, Sheng L S, Wang Z Y, Hao L Q, Zhou S K 2006 J. Synchrotron Rad. 13 415
[19]	Qi F, Yang X, Yang S H, Liu F Y, Gao H, Zhang Y W, Yu S Q 1997 J. Chem. Phys. 106 9474
[20]	Fan L L, Zhong Z P, Zhu L F, Liu X J, Cheng H D, Yuan Z S Xu K Z 2005 Chin. Phys. 14 2478
[21]	Merkt F 1997 Annu. Rev. Phys. Chem. 48 675
[22]	Ng C Y, Mahan B H, Lee Y T, 1976 J. Chem. Phys. 65 1956
[23]	Wannberg B, Nordfors D, Tan K L, Karlsson L and Mattsson L 1988 J. Electron Spectrosc. Relat. Phenom. 47 147
[24]	Mellinger A, Vidal C R, Jungen C 1996 J. Chem. Phys. 104 8913
[25]	Okada K, Iwata S 2000 J. Electron Spectrosc. Relat. Phenom. 108 225
[26]	Huber K P, Herzberg G 1979 Molecular Spectra and Molecular Structure (Vol. 4): Constants of Diatomic Molecules (New York: Van Nostrand Reinhold) p.166

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