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Photodissociation of NO2 in the Second Absorption Band
Li Yamin,Sun Julong,Yin Hongming,Han Keli*,He Guozhong
Author NameAffiliationE-mail
Li Yamin State Key Laboratory of Molecular Reaction DynamicsDalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023  
Sun Julong State Key Laboratory of Molecular Reaction DynamicsDalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023  
Yin Hongming State Key Laboratory of Molecular Reaction DynamicsDalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023  
Han Keli* State Key Laboratory of Molecular Reaction DynamicsDalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023 klhan@ms.dicp.ac.cn  
He Guozhong State Key Laboratory of Molecular Reaction DynamicsDalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023  
Abstract:
Photodissociation of NO2 in its second absorption band(B2B2 state)has been studied by monitoring the nascent NO X2Πproduct using the single-photon laser-induced fluorescence(LIF)technique. The rotational distributions of the nascent NO photofragment after photodissociation of NO2 at B2B2 state have been firstly reported. In v" = 1,the rotational distributions are bimodal. We proposed that there are two dissociation mechanisms that govern the product internal distributions and the photodissociation mechanism.
Key words:  Laser-induced-fluorescence,NO2,NO
FundProject:国家自然科学基金资助项目(29953001).
NO2 在第二电子吸收带的光解
李亚民,孙巨龙,尹鸿鸣,韩克利*,何国钟
摘要:
运用单光子激光诱导荧光方法,研究了NO2分子在第二吸收带的光解反应动力学.首次报道了NO2(B2B2态)光解初生态产物NO自由基的v″=1,2的转动分布.发现了NO自由基v″=1的明显双模式分布.进而提出了可能有两种竞争机理控制该反应.
关键词:  
DOI:10.1088/1674-0068/15/3/185-187
分类号: