期刊
ACS CATALYSIS
卷 2, 期 11, 页码 2269-2280出版社
AMER CHEMICAL SOC
DOI: 10.1021/cs3004006
关键词
synchrotron; in situ; operando; catalysis; EXAFS; XRD
资金
- U.S. Department of Energy [DE-FG02-05ER15688]
- U.S. Department of Energy (DOE) [DE-FG02-05ER15688] Funding Source: U.S. Department of Energy (DOE)
Most industrial catalysts are complex materials that usually operate at elevated pressures and temperatures Pressure, materials, instrument; and complexity gaps are obstacles toward understanding how catalysts work and how to rationally design new catalysts. In this article, we examine existing and emerging approaches to bridge some of these gaps and gain new insights into the catalyst active phase and catalytic mechanism using synchrotron-based spectroscopy, scattering, and imaging methods. The utilization of in situ, time-resolved synchrotron techniques offers unique opportunities to study working (operando) catalysts. Using several representative examples from recent literature we illustrate the synergy from using combinations of techniques to identify new details about catalytic properties that are unavailable when these methods are used separately. Following this approach it is possible to identify new catalyst phases and reaction intermediates.
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