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High-Resolution Experimental Study on Photodissocaition of N2O
Yu, Sheng-rui1,2,3; Yuan, Dao-fu1,2; Chen, Wen-tao1,2; Xie, Ting1,2; Wang, Si-wen1,2; Yang, Xue-ming1,2,3; Wang, Xing-an1,2,4
KeywordN2o Ion Imaging Vacuum Ultraviolet Photodissociation
Source PublicationCHINESE JOURNAL OF CHEMICAL PHYSICS
2016-02-01
ISSN1674-0068
DOI10.1063/1674-0068/29/cjcp1512256
Volume29Issue:1Pages:135-139
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectPhysics, Atomic, Molecular & Chemical
WOS Research AreaPhysics
WOS KeywordNITROUS-OXIDE ; VACUUM-ULTRAVIOLET ; PHOTODISSOCIATION ; PHOTOLYSIS ; ENERGY ; OXYGEN ; PHOTOFRAGMENTS ; DISSOCIATION ; SPECTRA ; UV
AbstractWe study the photodissociation dynamics of nitrous oxide using the time-sliced ion velocity imaging technique at three photolysis wavelengths of 134.20, 135.30, and 136.43 nm. The O(S-1(J=0))+N-2(X-1 Sigma(+)(g)) product channels were investigated by measuring images of the O(S-1(J=0)) products. Vibrational states of N-2(X-1 Sigma(+)(g)) products were fully resolved in the images. Product total kinetic energy releases (TKER) and the branching ratios of vibrational states of N-2 products were determined. It is found that the most populated vibrational states of N-2 products are v=2 and v=3. The angular anisotropy parameters (beta values) were also derived. The beta values are very close to 2 at low vibrational states of the correlated N-2(X-1 Sigma(+)(g)) products at all three photolysis wavelengths, and gradually decrease to about 1.4 at v=7. This indicates the dissociation is mainly through a parallel transition state to form products at lower vibrational states, and the highly vibrational exited products are from a more bent configuration. This is consistent with the observed shift of the most intense rotational structure in the TKER as the vibrational quantum number increases.
Language英语
WOS IDWOS:000373211400018
PublisherCHINESE PHYSICAL SOC
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/170653
Collection中国科学院大连化学物理研究所
Corresponding AuthorYang, Xue-ming; Wang, Xing-an
Affiliation1.Univ Sci & Technol China, Ctr Adv Chem Phys, Hefei 230026, Peoples R China
2.Univ Sci & Technol China, Dept Chem Phys, Sch Chem & Mat Sci, Hefei 230026, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
4.Collaborat Innovat Ctr Chem Energy Mat, IChEM, Hefei 230026, Peoples R China
Recommended Citation
GB/T 7714
Yu, Sheng-rui,Yuan, Dao-fu,Chen, Wen-tao,et al. High-Resolution Experimental Study on Photodissocaition of N2O[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2016,29(1):135-139.
APA Yu, Sheng-rui.,Yuan, Dao-fu.,Chen, Wen-tao.,Xie, Ting.,Wang, Si-wen.,...&Wang, Xing-an.(2016).High-Resolution Experimental Study on Photodissocaition of N2O.CHINESE JOURNAL OF CHEMICAL PHYSICS,29(1),135-139.
MLA Yu, Sheng-rui,et al."High-Resolution Experimental Study on Photodissocaition of N2O".CHINESE JOURNAL OF CHEMICAL PHYSICS 29.1(2016):135-139.
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