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| 001 | 459810 | ||
| 005 | 20250716150702.0 | ||
| 024 | 7 | _ | |a 10.3390/catal11040459 |2 doi |
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| 100 | 1 | _ | |a Becher, Johannes |0 P:(DE-H253)PIP1031661 |b 0 |
| 245 | _ | _ | |a Sample Environment for Operando Hard X-ray Tomography—An Enabling Technology for Multimodal Characterization in Heterogeneous Catalysis |
| 260 | _ | _ | |a Basel |c 2021 |b MDPI |
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| 520 | _ | _ | |a Structure–activity relations in heterogeneous catalysis can be revealed through in situ and operando measurements of catalysts in their active state. While hard X-ray tomography is an ideal method for non-invasive, multimodal 3D structural characterization on the micron to nm scale, performing tomography under controlled gas and temperature conditions is challenging. Here, we present a flexible sample environment for operando hard X-ray tomography at synchrotron radiation sources. The setup features are discussed, with demonstrations of operando powder X-ray diffraction tomography (XRD-CT) and energy-dispersive tomographic X-ray absorption spectroscopy (ED-XAS-CT). Catalysts for CO$_2$ methanation and partial oxidation of methane are shown as case studies. The setup can be adapted for different hard X-ray microscopy, spectroscopy, or scattering synchrotron radiation beamlines, is compatible with absorption, diffraction, fluorescence, and phase-contrast imaging, and can operate with scanning focused beam or full-field acquisition mode. We present an accessible methodology for operando hard X-ray tomography studies, which offer a unique source of 3D spatially resolved characterization data unavailable to contemporary methods. |
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| 700 | 1 | _ | |a Weber, Sebastian |0 P:(DE-H253)PIP1086475 |b 1 |
| 700 | 1 | _ | |a Ferreira Sanchez, Dario |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Doronkin, Dmitry |0 P:(DE-H253)PIP1017208 |b 3 |
| 700 | 1 | _ | |a Garrevoet, Jan |0 P:(DE-H253)PIP1013228 |b 4 |u desy |
| 700 | 1 | _ | |a Falkenberg, Gerald |0 P:(DE-H253)PIP1002716 |b 5 |u desy |
| 700 | 1 | _ | |a Motta Meira, Debora |0 P:(DE-HGF)0 |b 6 |
| 700 | 1 | _ | |a Pascarelli, Sakura |0 P:(DE-H253)PIP1085248 |b 7 |
| 700 | 1 | _ | |a Grunwaldt, Jan-Dierk |0 P:(DE-H253)PIP1008522 |b 8 |
| 700 | 1 | _ | |a Sheppard, Thomas L. |0 P:(DE-H253)PIP1024276 |b 9 |e Corresponding author |
| 773 | _ | _ | |a 10.3390/catal11040459 |g Vol. 11, no. 4, p. 459 - |0 PERI:(DE-600)2662126-5 |n 4 |p 459 (1-18) |t Catalysts |v 11 |y 2021 |x 2073-4344 |
| 856 | 4 | _ | |u https://doi.org/10.3390/catal11040459 |
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