In-situ Scanning Transmission X-Ray Microscopy of Catalytic Solids and Related Nanomaterials

被引：96
作者：
de Groot, Frank M. F. [1 ]
de Smit, Emiel [1 ]
van Schooneveld, Matti M. [1 ]
Aramburo, Luis R. [1 ]
Weckhuysen, Bert M. [1 ]
机构：
[1] Univ Utrecht, Debye Inst Nanomat Sci, NL-3584 CA Utrecht, Netherlands
来源：
CHEMPHYSCHEM | 2010年 / 11卷 / 05期
基金：
美国国家科学基金会;
关键词：
electron microscopy; Fischer-Tropsch catalysts; in-situ scanning transmission X-ray microscopy (STXM); nanomaterials; ADVANCED LIGHT-SOURCE; OVER-EXCHANGED FE/ZSM5; ELECTRON-MICROSCOPY; ABSORPTION-SPECTROSCOPY; ATOMIC-SCALE; CHEMICAL CONTRAST; RADIATION-DAMAGE; BESSY-II; SPECTROMICROSCOPY; EDGE;
D O I：
10.1002/cphc.200901023
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The present status of in-situ scanning transmission X-ray microscopy (STXM) is reviewed, with an emphasis on the abilities of the STXM technique in comparison with electron microscopy. The experimental aspects and interpretation of X-ray absorption spectroscopy (XAS) are briefly introduced and the experimental boundary conditions that determine the potential applications for in-situ XAS and in-situ STXM studies are discussed. Nanoscale chemical imaging of catalysts under working conditions is outlined using cobalt and iron Fischer-Tropsch catalysts as showcases. In the discussion, we critically compare STXM-XAS and STEM-EELS (scanning transmission electron microscopy-electron energy loss spectroscopy) measurements and indicate some future directions of in-situ nanoscale imaging of catalytic solids and related nanomaterials.
引用
收藏
页码：951 / 962
页数：12
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