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题名: Photodissociation and Density Functional Calculations of Small VmOn+ Clusters
作者: Li, Ren-zhong1;  Xu, Hong-guang1;  Cao, Guo-jin1;  Zhao, Yu-chao1;  Zheng, Wei-jun1
关键词: Mass spectrometry ;  Mass-selection ;  Photodissociation ;  Vanadium oxide cluster
刊名: CHINESE JOURNAL OF CHEMICAL PHYSICS
发表日期: 2011-10-01
DOI: 10.1088/1674-0068/24/05/572-579
卷: 24, 期:5, 页:572-579
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: Oxygen-poor vanadium oxide clusters, V2On+ (n=1, 2), V3On+ (n=1, 2, 3), and V4O3+, were produced by laser vaporization and were mass-selected and photodissociated with 532 and 266 nm photons. The geometric structures and possible dissociation channels of these clusters were determined based on the comparison of density functional calculations and photodissociation experiments. The experiments show that the dissociation of V2O+; V2O2+, and V3O3+ mainly occurs by loss of VO, while the dissociation of V3O+ and V4O3+ mainly occurs by loss of V atom. For the dissociation of V3O2+, the VO loss channel is slightly dominant compared to the V loss channel. The combination of experimental results and theoretical calculations suggests that the V loss channels of V3O+ and V4O3+ are single photon processes at both 532 and 266 nm. The VO loss channels of V2O2+ and V3O3+ are multiple-photon processes at both 532 and 266 nm.
关键词[WOS]: ANION PHOTOELECTRON-SPECTROSCOPY ;  VANADIUM-OXIDE CLUSTERS ;  INFRARED-SPECTROSCOPY ;  X=1-4 SYSTEMS ;  CATIONS ;  DISSOCIATION ;  ENERGIES ;  IONS ;  VOX ;  MONOVANADIUM
语种: 英语
WOS记录号: WOS:000297139200011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142391
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, Beijing Natl Lab Mol Sci, State Key Lab Mol React Dynam, Inst Chem, Beijing 100190, Peoples R China

Recommended Citation:
Li, Ren-zhong,Xu, Hong-guang,Cao, Guo-jin,et al. Photodissociation and Density Functional Calculations of Small VmOn+ Clusters[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2011,24(5):572-579.
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