Dynamic X-Ray Diffraction Computed Tomography Reveals Real-Time Insight into Catalyst Active Phase Evolution

被引：80
|
作者：
Jacques, Simon D. M. [1 ,2 ,3 ]
Di Michiel, Marco [4 ]
Beale, Andrew M. [1 ]
Sochi, Taha [2 ,3 ]
O'Brien, Matthew G. [1 ]
Espinosa-Alonso, Leticia [1 ]
Weckhuysen, Bert M. [1 ]
Barnes, Paul [2 ,3 ]
机构：
[1] Univ Utrecht, Debye Inst Nanomat Sci, NL-3584 CG Utrecht, Netherlands
[2] UCL, Dept Chem, London WC1H 0AJ, England
[3] Univ London Birkbeck Coll, Dept Crystallog, London WC1E 7HX, England
[4] ESRF, F-38000 Grenoble, France
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2011年 / 50卷 / 43期
基金：
英国工程与自然科学研究理事会;
关键词：
catalyst preparation; chemical imaging; computed tomography; heterogeneous catalysis; X-ray diffraction; AL2O3-SUPPORTED NI(II)-ETHYLENEDIAMINE COMPLEXES; CO HYDROGENATION CATALYSTS; SUPPORTED CATALYSTS; NICKEL; BODIES; METAL; IMPREGNATION; TEMPERATURE;
D O I：
10.1002/anie.201104604
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Chemistry by color: The first dynamic study using X-ray diffraction computed tomography investigates the evolving chemistry and structural changes during the preparation of a millimeter-sized industrial hydrogenation catalyst body (see picture; time evolves from left to right, and different colors represent different phases). The method has potential for chemical imaging of materials within bulk objects undergoing physicochemical changes. © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：10148 / 10152
页数：5
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