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A Surface Femtosecond Two-Photon Photoemission Spectrometer for Excited Electron Dynamics and Time-Dependent Photochemical Kinetics
Ren, Ze-feng1; Zhou, Chuan-yao1; Ma, Zhi-bo1; Xiao, Chun-lei1; Mao, Xin-chun1; Dai, Dong-xu1; LaRue, Jerry2; Cooper, Russell2; Wodtke, Alec M.2; Yang, Xue-ming1; Yang XM(杨学明)
关键词Femtosecond Two-photon Photoemission Spectropy Time-resolved Ultrafast Excited Electron Dynamics Surface Photochemical Kinetics
刊名CHINESE JOURNAL OF CHEMICAL PHYSICS
2010-06-27
DOI10.1088/1674-0068/23/03/255-261
23期:3页:255-261
收录类别SCI
文章类型Article
部门归属11
项目归属1102
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Physics, Atomic, Molecular & Chemical
研究领域[WOS]Physics
关键词[WOS]MOLECULE-METAL INTERFACES ; IMAGE-POTENTIAL STATES ; RESOLVED PHOTOEMISSION ; ENERGY RELAXATION ; SPECTROSCOPY ; EXCITATION ; CU(111)
英文摘要A surface femtosecond two-photon photoemission (2PPE) spectrometer devoted to the study of ultrafast excited electron dynamics and photochemical kinetics on metal and metal oxide surfaces has been constructed. Low energy photoelectrons are measured using a hemispherical electron energy analyzer with an imaging detector that allows us to detect the energy and the angular distributions of the photoelectrons simultaneously. A Mach-Zehnder interferometer was built for the time-resolved 2PPE (TR-2PPE) measurement to study ultrafast surface excited electron dynamics, which was demonstrated on the Cu(111) surface. A scheme for measuring time-dependent 2PPE (TD-2PPE) spectra has also been developed for studies of surface photochemistry. This technique has been applied to a preliminary study on the photochemical kinetics on ethanol/TiO(2)(110). We have also shown that the ultrafast dynamics of photoinduced surface excited resonances can be investigated in a reliable way by combining the TR-2PPE and TD-2PPE techniques.
语种英语
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WOS记录号WOS:000280094700003
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被引频次:15[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/103195
专题中国科学院大连化学物理研究所
通讯作者Yang XM(杨学明)
作者单位1.Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
2.Univ Calif Santa Barbara, Dept Chem & Biochem, Santa Barbara, CA 93106 USA
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Ren, Ze-feng,Zhou, Chuan-yao,Ma, Zhi-bo,et al. A Surface Femtosecond Two-Photon Photoemission Spectrometer for Excited Electron Dynamics and Time-Dependent Photochemical Kinetics[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2010,23(3):255-261.
APA Ren, Ze-feng.,Zhou, Chuan-yao.,Ma, Zhi-bo.,Xiao, Chun-lei.,Mao, Xin-chun.,...&杨学明.(2010).A Surface Femtosecond Two-Photon Photoemission Spectrometer for Excited Electron Dynamics and Time-Dependent Photochemical Kinetics.CHINESE JOURNAL OF CHEMICAL PHYSICS,23(3),255-261.
MLA Ren, Ze-feng,et al."A Surface Femtosecond Two-Photon Photoemission Spectrometer for Excited Electron Dynamics and Time-Dependent Photochemical Kinetics".CHINESE JOURNAL OF CHEMICAL PHYSICS 23.3(2010):255-261.
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