High-quality energy-dispersive XAFS on the 1 s timescale applied to electrochemical and catalyst systems

Andrew Dent; John Evans; Mark Newton; Judith Corker; Andrea Russell; M B Abdul Rahman; Steven Fiddy; Rebecca Mathew; Richard Farrow; Giuseppe Salvini; Phillip Atkinson

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High-quality energy-dispersive XAFS on the 1 s timescale applied to electrochemical and catalyst systems

机译：在1 s的时间范围内将高质量的能量分散型XAFS应用于电化学和催化剂系统

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A long program involving the development of a fast linear and stable detector, and the recent upgrade of the bent monochromator to a 4-point one at station 9.3 Daresbury Laboratory is showing exciting results such that it has now become possible to obtain analysable XAFS data on 50mM solutions in time scales of a second or less. Three examples of such data are shown: a homogeneous Ni catalyst reaction using a stopped flow system, a heterogeneous catalyst reduction showing time dependent data collected in a microreactor, and an electrochemical system showing the oxidation of small Pt particles as the potential is changed. The improvements have come from two major developments-the monochromator and the detector.

机译：一项涉及开发快速线性且稳定的检测器的长期计划，以及最近在9.3 Daresbury Laboratory站将弯曲单色仪升级为4点检测器的结果，显示了令人兴奋的结果，因此现在已经有可能获得关于XAFS的可分析数据。 50mM解决方案，时间尺度不超过一秒。显示了此类数据的三个示例：使用停止流系统的均相Ni催化剂反应，显示在微反应器中收集的随时间变化的数据的非均相催化剂还原反应以及显示随着电势变化小Pt颗粒氧化的电化学系统。改进来自两个主要的发展-单色仪和检测器。

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来源
《Journal of synchrotron radiation》 |1999年第3期|共3页
作者
Andrew Dent; John Evans; Mark Newton; Judith Corker; Andrea Russell; M B Abdul Rahman; Steven Fiddy; Rebecca Mathew; Richard Farrow; Giuseppe Salvini; Phillip Atkinson;
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正文语种 eng
中图分类原子核物理学、高能物理学;
关键词
EDE; catalysts; electrochemistry; time-resolved; stopped-flow;

机译：EDE;催化剂;电化学;时间分辨;停流;

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1. High-quality energy-dispersive XAFS on the 1 s timescale applied to electrochemical and catalyst systems [J] . Andrew Dent, John Evans, Mark Newton, Journal of synchrotron radiation . 1999,第Pta3期

机译：在1 s的时间范围内将高质量的能量分散型XAFS应用于电化学和催化剂系统
2. Beam-size-related phenomena and effective normalization in energy-dispersive EXAFS for the study of heterogeneous catalysts, powder materials and the processes they mediate: observations and (some) solutions [J] . Newton MA Journal of synchrotron radiation . 2007,第Pta4期

机译：与束大小有关的现象以及能量分散型EXAFS中的有效归一化，用于研究非均相催化剂，粉末材料及其介导的过程：观察和（某些）解决方案
3. In Situ Time-Resolved Energy-Dispersive XAFS Study on the Reduction Processes fo Cu-ZSM-5 Catalysts [J] . SUZUKI A, YAMAGUCHI A, CHIHARA T, Bulletin of the Chemical Society of Japan . 2001,第5期

机译：Cu-ZSM-5催化剂还原过程的原位时间分辨能量分散XAFS研究
4. In situ energy-dispersive XAFS study of the reduction process of Cu-ZSM-5 catalysts with 1 s time-resolution [C] . A. Yamaguchi, Y. Inada, T. Shido, International conference on colloid and surface science . 2001

机译：原位能量分散XAFs研究Cu-ZSM-5催化剂的还原过程，具有1秒的时间分辨率
5. Activity, in situ IR and EXAFS spectroscopy studies, and Monte Carlo simulation of the preferential oxidation of carbon monoxide on niobium-promoted platinum/aluminum oxide catalysts and platinum-free metal oxides catalysts. [D] . Guerrero Ruz, Sichem. 2007

机译：活性，原位IR和EXAFS光谱研究以及在铌促进的铂/铝氧化物催化剂和无铂金属氧化物催化剂上一氧化碳优先氧化的蒙特卡罗模拟。
6. Microsecond time-resolved energy-dispersive EXAFS measurement and its application to film the thermolysis of (NH4)2PtCl6 [O] . Qingyu Kong, Francois Baudelet, Jun Han, -1

机译：微秒时间分辨能量色散EXAFS测量及其在（NH4）2 PtCl6热分解成膜中的应用
7. High-quality energy-dispersive XAFS on the 1 s timescale applied to electrochemical and catalyst systems [O] . Dent A, Evans J, Newton M, 1998

机译：在1 s的时间范围内将高质量的能量分散型XAFS应用于电化学和催化剂系统
8. Fluorescence Detected Surface Exafs (FDSEXAFS) of Iodine on Platinum: An Attempt to the In-situ Structure Determination of an Electrochemical Interface [R] . Gordon, J. G., Melroy, O. R., Borges, G. L., 1984

机译：碘在铂上的荧光检测表面检测（FDsEXaFs）：电化学界面的原位结构测定的尝试

High-quality energy-dispersive XAFS on the 1 s timescale applied to electrochemical and catalyst systems

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