Photodissociation Dynamics of 2-Bromopropane Using Velocity Map Imaging Technique
文献类型：期刊论文
| 作者 | Zhu, Rongshu; Tang, Bifeng1; Zhang, Xiu; Zhang, Bing |
| 刊名 | JOURNAL OF PHYSICAL CHEMISTRY A
 |
| 出版日期 | 2010-06-03 |
| 卷号 | 114期号:21页码:6188-6193 |
| 产权排序 | 第三 |
| 英文摘要 | Photodissociation dynamics of 2-bromopropane in the A band was investigated at several wavelengths between 232 and 267 nm using resonance-enhanced multiphoton ionization technique combined with velocity map ion-imaging detection. The ion images of Br ((2)P(3/2)) and Br* ((2)P(1/2)) were analyzed to yield corresponding total translational energy and angular distributions. The total translational energy distributions showed that the channel leading to Br carried more internal energy in the 2-C(3)H(7) moiety than the channel leading to Br*. The anisotropy parameters of beta (Br) were obtained to be between 0.68 and 1.49, and beta (Br*) between 0.73 and 1.96, indicating that the Br* product originates from direct excitation of the (3)Q(0) state and the (1)Q(1) -> (3)Q(0) nonadiabatic transition, and the Br product from direct excitation of the (1)Q(1) or (3)Q(1) state and the (3)Q(0) -> (1)Q(1) nonadiabatic transition. The curve crossing probabilities were determined to be increase with the wavelength. As compared with the case of CH(3)Br, the two heavier branched CH(3) groups significantly enhance the Br ((2)P(3/2)) production from nonadiabatie contribution. The curve crossing from the (3)Q(0) to the (1)Q(1) surface is much higher than that of the reverse from the (1)Q(1) to the (3)Q(0) surface, which may have resulted from the difference in shape between the potential energy surfaces of the (3)Q(0) and (1)Q(1) states. Finally, based on the experimental data, the partial absorption cross sections of the A band for the (3)Q(0), (3)Q(1), and (1)Q(1) states were extracted. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 学科主题 | 原子分子物理学 |
| 类目[WOS] | Chemistry, Physical ; Physics, Atomic, Molecular & Chemical |
| 研究领域[WOS] | Chemistry ; Physics |
| 关键词[WOS] | PHOTOLYSIS ; BROMINE ; CH3BR |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000278004000002 |
| 源URL | [http://ir.wipm.ac.cn/handle/112942/1945]  |
| 专题 | 武汉物理与数学研究所_2011年以前论文发表（包括2011年） |
| 作者单位 | 1.Xiaogan Univ, Dept Phys, Xiaogan City 432100, Hubei Province, Peoples R China 2.Harbin Inst Technol, Environm Sci & Engn Res Ctr, Shenzhen Grad Sch, Shenzhen 518055, Peoples R China 3.Chinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonance & Atom Mol Phys, Wuhan 430071, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhu, Rongshu,Tang, Bifeng,Zhang, Xiu,et al. Photodissociation Dynamics of 2-Bromopropane Using Velocity Map Imaging Technique[J]. JOURNAL OF PHYSICAL CHEMISTRY A,2010,114(21):6188-6193. |
| APA | Zhu, Rongshu,Tang, Bifeng,Zhang, Xiu,&Zhang, Bing.(2010).Photodissociation Dynamics of 2-Bromopropane Using Velocity Map Imaging Technique.JOURNAL OF PHYSICAL CHEMISTRY A,114(21),6188-6193. |
| MLA | Zhu, Rongshu,et al."Photodissociation Dynamics of 2-Bromopropane Using Velocity Map Imaging Technique".JOURNAL OF PHYSICAL CHEMISTRY A 114.21(2010):6188-6193. |
入库方式： OAI收割
来源：武汉物理与数学研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。