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Fragmentation of dimethyl ether in femtosecond intense field
Zhu, Jingyi; Guo, Wei; Wang, Yanqiu; Wang, Li; Wang L(王利); Wang L(王利)
KeywordFragmentation Dimethyl Ether Femtosecond Intense Field
Source PublicationCHEMICAL PHYSICS
2006-08-01
DOI10.1016/j.chemphys.2006.03.020
Volume326Issue:2-3Pages:571-576
Indexed BySCI
SubtypeArticle
Department11
Funding Project1101
Contribution Rank1;1
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical ; Physics, Atomic, Molecular & Chemical
WOS Research AreaChemistry ; Physics
WOS KeywordLASER-PULSES ; UNIMOLECULAR DECOMPOSITION ; DISSOCIATIVE IONIZATION ; AROMATIC-HYDROCARBONS ; AB-INITIO ; PHOTOIONIZATION ; MOLECULES ; FLUORESCENCE ; DYNAMICS ; ALCOHOLS
AbstractThe fragmentation of dimethyl ether (DME) in intense femtosecond laser field has been studied at 810, 405 and 270 nm with intensities up to 2.48 x 10(15), 3.86 x 10(15) and 1.62 x 10(14) W/cm(2), respectively. At 405 nm, DME is possibly firstly ionized by multiphoton absorption, and then parent ion DME+ dissociates into fragments via filed-induced dissociation. For 8 10 and 270 nm laser fields, DME firstly dissociates into CH3O and CH3 fragments and then these neutral fragments are ionized by field tunneling. Another possible way for DME to dissociate at 810 and 270 nm is that DME is ionized by intense field ejection of inner valance electron and then the excited DME+ dissociates into fragment ions. Ultrafast rearrangement of DME or DME+ in intense field may be responsible to the unpredictable fragment ions, CHO+/C2H5+ and H-2(+) (c) 2006 Elsevier B.V. All rights reserved.
Language英语
URL查看原文
WOS IDWOS:000239380700038
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/98317
Collection中国科学院大连化学物理研究所
Corresponding AuthorWang L(王利); Wang L(王利)
Affiliation1.Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 10039, Peoples R China
Recommended Citation
GB/T 7714
Zhu, Jingyi,Guo, Wei,Wang, Yanqiu,et al. Fragmentation of dimethyl ether in femtosecond intense field[J]. CHEMICAL PHYSICS,2006,326(2-3):571-576.
APA Zhu, Jingyi,Guo, Wei,Wang, Yanqiu,Wang, Li,王利,&王利.(2006).Fragmentation of dimethyl ether in femtosecond intense field.CHEMICAL PHYSICS,326(2-3),571-576.
MLA Zhu, Jingyi,et al."Fragmentation of dimethyl ether in femtosecond intense field".CHEMICAL PHYSICS 326.2-3(2006):571-576.
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