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Nanocharacterization of Heterogeneous Catalysts by Ex Situ and In Situ STEM

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Scanning Transmission Electron Microscopy

Abstract

Heterogeneous catalysts are an important set of materials that increase the rate of chemical reactions. The increase in the reaction rate can be many orders of magnitude and depends on the degree to which the activation energy of the reaction can be lowered. Heterogeneous catalysts have traditionally played major roles in fields such as fuel processing, chemical synthesis and polymer production (van Santen et al. 1999). More recently they have played increasing roles in the environmental technology, energy production and materials synthesis. The field is undergoing a significant expansion and it is widely recognized that, for substantial progress, it is necessary to develop an atomic-level understanding of the interaction between the catalyst and the reactants/product in order to design novel catalytic materials that can address the problems of the 21 st century.

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Acknowledgements

I would like to thank colleagues and former students for contributions, collaborations and discussions over the years from many who have contributed to the work present in this chapter including Renu Sharma, Karl Weiss, Vladimir Oleshko, Peng Li, Ruigang Wang, Jingyue Liu and Nabin Nag. Financial support is acknowledged from Dow Chemical Company, Monsanto Company and the National Science Foundation (NSF-CTS-0306688 and NSF-CBET-0553445) and the Department of Energy for funding the ESTEM (DOE # AAD-0-30621-01). I also gratefully acknowledge access to the instrumentation in John M. Cowley Center for High Resolution Electron Microscopy in the LeRoy Eyring Center for Solid State Science at Arizona State University.

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    Peter A. Crozier

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  1. Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, 37831-6056, Tennessee, USA

    Stephen J. Pennycook

  2. , Department of Materials, University of Oxford, Parks Road, Oxford, OX1 3PH, United Kingdom

    Peter D. Nellist

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Crozier, P.A. (2011). Nanocharacterization of Heterogeneous Catalysts by Ex Situ and In Situ STEM. In: Pennycook, S., Nellist, P. (eds) Scanning Transmission Electron Microscopy. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-7200-2_13

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