1. Reactor for nano-focused x-ray diffraction and imaging under catalytic in situ conditions.
- Author
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Richard, M.-I., Fernández, S., Hofmann, J. P., Gao, L., Chahine, G. A., Leake, S. J., Djazouli, H., De Bortoli, Y., Petit, L., Boesecke, P., Labat, S., Hensen, E. J. M., Thomas, O., and Schülli, T.
- Subjects
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X-ray diffraction , *ELECTROMAGNETIC wave diffraction , *NANOPARTICLES , *NANOSTRUCTURED materials , *NANOWIRES - Abstract
A reactor cell for in situ studies of individual catalyst nanoparticles or surfaces by nano-focused (coherent) x-ray diffraction has been developed. Catalytic reactions can be studied in flow mode in a pressure range of 10- 2–103 mbar and temperatures up to 900 °C. This instrument bridges the pressure and materials gap at the same time within one experimental setup. It allows us to probe in situ the structure (e.g., shape, size, strain, faceting, composition, and defects) of individual nanoparticles using a nano-focused x-ray beam. Here, the setupwas used to observe strain and facet evolution of individual model Pt catalysts during in situ experiments. It can be used for heating other (non-catalytically active) nanoparticles (e.g., nanowires) in inert or reactive gas atmospheres or vacuum as well. [ABSTRACT FROM AUTHOR]
- Published
- 2017
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