Photodissociation dynamics of n-alkyl bromide at 234 and 267 nm
文献类型:期刊论文
作者 | Zhu, RS; Tang, BF; Ji, L; Tang, Y; Zhang, S; Zhang, B |
刊名 | OPTICS COMMUNICATIONS
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出版日期 | 2004-05-15 |
卷号 | 235期号:4-6页码:325-331 |
关键词 | photodissociation resonance-enhanced multiphoton ionization branching ratios |
英文摘要 | The photodissociation dynamics of n-alkyl bromides R-Br (R = n-alkyl radical) (C2H5Br, n-C3H7Br, n-C4H9Br, n-C5H11Br) were investigated near 234 and 267 nm using resonance-enhanced multiphoton ionization (REMPI) with time of flight mass spectrometry (TOF-MS). Bromine fragments monitored in this study were produced via direct dissociation of R-Br, represented by R-Br --> R + Br(P-2(3/2))(denote Br)/Br(P-2(1/2)) (denote Br*). The branching ratios N(Br*)/ N(Br) and the relative quantum yields (p(Br*) and phi(Br) were determined. The results indicated the ground-state bromine was the major dissociation product in this wavelength region. The (p(Br*) at 234 nm were, in general, larger than that 267 nm. The yields (p(Br*) showed an increasing tendency from C2H5Br to n-C5H11Br at 234 nm and a little change at 267 nm. Compared with the dissociation of CH3Br, a qualitative explanation was presented for the photodissociation of n-alkyl bromide. (C) 2004 Elsevier B.V. All rights reserved. |
WOS标题词 | Science & Technology ; Physical Sciences |
类目[WOS] | Optics |
研究领域[WOS] | Optics |
关键词[WOS] | OZONE DEPLETION POTENTIALS ; ETHYL-BROMIDE ; CHLOROBROMOMETHANE CH2CLBR ; ATMOSPHERIC BROMINE ; CH3I ; PHOTOLYSIS ; EXCITATION ; SPECTRA |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000221279100012 |
公开日期 | 2015-12-08 |
源URL | [http://ir.wipm.ac.cn/handle/112942/8997] ![]() |
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 | 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, RS,Tang, BF,Ji, L,et al. Photodissociation dynamics of n-alkyl bromide at 234 and 267 nm[J]. OPTICS COMMUNICATIONS,2004,235(4-6):325-331. |
APA | Zhu, RS,Tang, BF,Ji, L,Tang, Y,Zhang, S,&Zhang, B.(2004).Photodissociation dynamics of n-alkyl bromide at 234 and 267 nm.OPTICS COMMUNICATIONS,235(4-6),325-331. |
MLA | Zhu, RS,et al."Photodissociation dynamics of n-alkyl bromide at 234 and 267 nm".OPTICS COMMUNICATIONS 235.4-6(2004):325-331. |
入库方式: OAI收割
来源:武汉物理与数学研究所
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