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题名: Modification of Reflectron Time-of-Flight Mass Spectrometer for Photodissociation of Mass-Selected Cluster Ions
作者: Zhao, Yu-chao1;  Zhang, Zeng-guang1;  Yuan, Jin-yun1;  Xu, Hong-guang1;  Zheng, Wei-jun1
关键词: Reflectron time-of-flight mass spectrometer ;  Photodissociation ;  Mass-selection ;  Cluster
刊名: CHINESE JOURNAL OF CHEMICAL PHYSICS
发表日期: 2009-12-27
DOI: 10.1088/1674-0068/22/06/655-662
卷: 22, 期:6, 页:655-662
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: We introduce a modification of reflectron time-of-flight mass spectrometer for laser photodissociation of mass-selected ions. In our apparatus, the ions of interests were selected by a mass gate near the first space focus point and decelerated right after the mass gate, were then crossed by a laser beam for dissociation. The daughter ions and surviving parent ions were re-accelerated and analyzed by the reflectron time-of-flight mass spectrometer. Compared to the designs reported by other research groups, our selection-deceleration-dissociation-reacceleration approach has better daughter-parent-ions-separation, easier laser timing, and better overlapping between the ion beam and laser beam. We also conducted detailed calculations on the parent ion and daughter ion flight times, and provided a simplified formula for the calibration of daughter ion mass.
关键词[WOS]: GAS-PHASE ;  PHOTOFRAGMENTATION ;  SPECTROSCOPY ;  COMPLEXES ;  DYNAMICS ;  PHOTOIONIZATION ;  PHOTODETACHMENT ;  DECOMPOSITION ;  CATIONS ;  SYSTEMS
语种: 英语
WOS记录号: WOS:000273466600017
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141252
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, Inst Chem, State Key Lab Mol React Dynam, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China

Recommended Citation:
Zhao, Yu-chao,Zhang, Zeng-guang,Yuan, Jin-yun,et al. Modification of Reflectron Time-of-Flight Mass Spectrometer for Photodissociation of Mass-Selected Cluster Ions[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2009,22(6):655-662.
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