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题名: Detection of OH Radical in the Photodissociation of p-Aminobenzoic Acid at 266 nm
作者: Zhou, Can-hua1;  Cheng, Shi-bo1;  Yin, Hong-ming1;  He, Guo-zhong1
关键词: Photodissociation ;  OH radical ;  p-aminobenzoic acid ;  Laser-induced fluorescence technique
刊名: CHINESE JOURNAL OF CHEMICAL PHYSICS
发表日期: 2009-12-27
DOI: 10.1088/1674-0068/22/06/681-685
卷: 22, 期:6, 页:681-685
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Physics
英文摘要: Photodissociation of p-aminobenzoic acid at 266 nm was investigated by probing the nascent OH photoproduct employing the laser-induced fluorescence technique. It was found that the nascent OH radical was vibrationally cold and its rotational state distribution conformed to be a Boltzmann behavior, characterized by a rotational temperature of 1040+/-110 K. The rotational energy of OH was determined to be 8.78+/-0.84 kJ/mol. Between the two spin-orbit states of OH, (2)Pi(3/2) and (2)Pi(1/2), the former was found to be preferentially populated. The distribution of the Pi(A') state for the A-doublet was dominant. Finally, a probable mechanism for the formation of OB produced from the photodissociation of p-aminobenzoic acid is discussed.
关键词[WOS]: AMINO BENZOIC-ACID ;  LASER-INDUCED FLUORESCENCE ;  STATE DISTRIBUTION ;  ACETIC-ACID ;  DYNAMICS ;  PRODUCT ;  DISSOCIATION ;  MONOMER ;  DIPOLE ;  SPECTROSCOPY
语种: 英语
WOS记录号: WOS:000273466600021
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141402
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China

Recommended Citation:
Zhou, Can-hua,Cheng, Shi-bo,Yin, Hong-ming,et al. Detection of OH Radical in the Photodissociation of p-Aminobenzoic Acid at 266 nm[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2009,22(6):681-685.
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