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

被引：81

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

页码：10148 / 10152

页数：5

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