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Quenching and rotational state-to-state energy transfer of NH2((A)over-tilde(2) A(1), 090, 4(23))
Shen, GL; Zhang, M; Dong, F; Li, XC; Wang, XY
关键词Energy Transfer Of Electronically Excited State Single Collision Collision-complex Model Nh2 Free Radical
刊名ACTA PHYSICO-CHIMICA SINICA
2001-09-01
DOI10.3866/PKU.WHXB20010917
17期:9页:840-844
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]FLUORESCENCE ; LASER ; NH2 ; OH
英文摘要The study of quenching and rotational state-to-state energy transfer Of NH2 ((A) over tilde (2) A(1), 090, 4(23)) with Ar, N-2, O-2, and NH3 was performed at single collisional conditions. The total quenching cross sections sigma (Q) for the four partners have been measured to be less than or equal to 0.17 mn(2), 0.26 nm(2), 0.30 nm(2) and 0.48 nm(2), respectively. The relative cross sections of rotational state-to-state energy transfer were obtained by measuring the dispersed fluorescent spectra. A collision-complex model was used to calculate the quenching cross sections and the theoretical and experimental values show the same trend. This indicates that long range attractive interactions play an important role in the quenching process. It was also found that the relative cross sections of rotational energy transfer decrease approximately with decreasing the reduced mass of the collision-pair. NH3 and O-2 present the larger quenching cross sections and smaller cross sections of rotational energy transfer due to the larger dipole momentum and the electronic structure of open-shell, respectively.
语种英语
WOS记录号WOS:000171302100017
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/138959
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
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Shen, GL,Zhang, M,Dong, F,et al. Quenching and rotational state-to-state energy transfer of NH2((A)over-tilde(2) A(1), 090, 4(23))[J]. ACTA PHYSICO-CHIMICA SINICA,2001,17(9):840-844.
APA Shen, GL,Zhang, M,Dong, F,Li, XC,&Wang, XY.(2001).Quenching and rotational state-to-state energy transfer of NH2((A)over-tilde(2) A(1), 090, 4(23)).ACTA PHYSICO-CHIMICA SINICA,17(9),840-844.
MLA Shen, GL,et al."Quenching and rotational state-to-state energy transfer of NH2((A)over-tilde(2) A(1), 090, 4(23))".ACTA PHYSICO-CHIMICA SINICA 17.9(2001):840-844.
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