A versatile nanoreactor for complementary in situ X-ray and electron microscopy studies in catalysis and materials science

Autor:	Thomas L. Sheppard, Martin Seyrich, Dennis Brueckner, Thomas F. Keller, Yakub Fam, Xiaogang Yang, Christian G. Schroer, Dennis Scherhaufer, Jan-Dierk Grunwaldt, Andreas Schropp, Satishkumar Kulkarni, Felix Wittwer, Maik Kahnt, Heinz Lambach, Johannes Becher, Arne Wittstock, Andreas Stierle
Jazyk:	angličtina
Rok vydání:	2019
Předmět:	In situ Nuclear and High Energy Physics Materials science hard X-ray ptychography Chemistry & allied sciences Materials Science Nanoprobe Nanotechnology Electrons 02 engineering and technology Nanoreactor 010402 general chemistry 01 natural sciences 7. Clean energy ddc:550 X-ray microscopy nanoreactors Instrumentation Radiation catalysis electron microscopy Nanoporous porous X-Rays Synchrotron Radiation Source Temperature Equipment Design 021001 nanoscience & nanotechnology Research Papers Ptychography 0104 chemical sciences Microscopy Electron Beamline Transmission electron microscopy ddc:540 2019-022-026992 TEM Zeolites Gold 0210 nano-technology Synchrotrons
Zdroj:	Journal of Synchrotron Radiation Journal of synchrotron radiation, 26 (5), 1769–1781 Journal of synchrotron radiation 26(5), 1769-1781 (2019). doi:10.1107/S160057751900660X
ISSN:	1600-5775 0909-0495
DOI:	10.1107/S160057751900660X
Popis:	Journal of synchrotron radiation 26(5), 1769 - 1781 (2019). doi:10.1107/S160057751900660X Two in situ `nanoreactors' for high-resolution imaging of catalysts have been designed and applied at the hard X-ray nanoprobe endstation at beamline P06 of the PETRA III synchrotron radiation source. The reactors house samples supported on commercial MEMS chips, and were applied for complementary hard X-ray ptychography (23 nm spatial resolution) and transmission electron microscopy, with additional X-ray fluorescence measurements. The reactors allow pressures of 100 kPa and temperatures of up to 1573 K, offering a wide range of conditions relevant for catalysis. Ptychographic tomography was demonstrated at limited tilting angles of at least ±35° within the reactors and ±65° on the naked sample holders. Two case studies were selected to demonstrate the functionality of the reactors: (i) annealing of hierarchical nanoporous gold up to 923 K under inert He environment and (ii) acquisition of a ptychographic projection series at ±35° of a hierarchically structured macroporous zeolite sample under ambient conditions. The reactors are shown to be a flexible and modular platform for in situ studies in catalysis and materials science which may be adapted for a range of sample and experiment types, opening new characterization pathways in correlative multimodal in situ analysis of functional materials at work. The cells will presently be made available for all interested users of beamline P06 at PETRA III. Published by IUCr, Chester
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d9b08d3a3f7b59e437e44ccc21c0051e http://europepmc.org/articles/PMC6732905 Zobrazit plný text záznamu Plný text ve formátu PDF Plný text ve formátu HTML
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