Abstract
AbstractCharacterizing materials at nanoscale resolution to provide new insights into structure property performance relationships continues to be a challenging research target due to the inherently low signal from small sample volumes, and is even more difficult for nonconductive materials, such as zeolites. Herein, we present the characterization of a single Cu‐exchanged zeolite crystal, namely Cu‐SSZ‐13, used for NOX reduction in automotive emissions, that was subject to a simulated 135,000‐mile aging. By correlating Atom Probe Tomography (APT), a single atom microscopy method, and Scanning Transmission X‐ray Microscopy (STXM), which produces high spatial resolution X‐ray Absorption Near Edge Spectroscopy (XANES) maps, we show that a spatially non‐uniform proportion of the Al was removed from the zeolite framework. The techniques reveal that this degradation is heterogeneous at length scales from micrometers to tens of nanometers, providing complementary insight into the long‐term deactivation of this catalyst system.
Bibliography
Schmidt, J. E., Ye, X., vanâ Ravenhorst, I. K., Oord, R., Shapiro, D. A., Yu, Y., Bare, S. R., Meirer, F., Poplawsky, J. D., & Weckhuysen, B. M. (2018). Probing the Location and Speciation of Elements in Zeolites with Correlated Atom Probe Tomography and Scanning Transmission XâRay Microscopy. ChemCatChem, 11(1), 488â494. Portico.
Authors
10
- Joel E. Schmidt (first)
- Xinwei Ye (additional)
- Ilse K. van Ravenhorst (additional)
- Ramon Oord (additional)
- David A. Shapiro (additional)
- Young‐Sang Yu (additional)
- Simon R. Bare (additional)
- Florian Meirer (additional)
- Jonathan D. Poplawsky (additional)
- Bert M. Weckhuysen (additional)
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{'key': 'e_1_2_6_39_1', 'first-page': '320', 'author': 'Wang A.', 'year': '2019', 'journal-title': 'Catal. Today'}
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Dates
Type | When |
---|---|
Created | 6 years, 9 months ago (Oct. 31, 2018, 9:48 a.m.) |
Deposited | 1 year, 11 months ago (Sept. 10, 2023, 3:50 p.m.) |
Indexed | 6 months ago (Feb. 21, 2025, 11:18 a.m.) |
Issued | 6 years, 9 months ago (Oct. 31, 2018) |
Published | 6 years, 9 months ago (Oct. 31, 2018) |
Published Online | 6 years, 9 months ago (Oct. 31, 2018) |
Published Print | 6 years, 7 months ago (Jan. 9, 2019) |
Funders
1
European Research Council
10.13039/501100000781
Region: Europe
gov (National government)
Labels
1
- ERC
Awards
1
- 321140
@article{Schmidt_2018, title={Probing the Location and Speciation of Elements in Zeolites with Correlated Atom Probe Tomography and Scanning Transmission X‐Ray Microscopy}, volume={11}, ISSN={1867-3899}, url={http://dx.doi.org/10.1002/cctc.201801378}, DOI={10.1002/cctc.201801378}, number={1}, journal={ChemCatChem}, publisher={Wiley}, author={Schmidt, Joel E. and Ye, Xinwei and van Ravenhorst, Ilse K. and Oord, Ramon and Shapiro, David A. and Yu, Young‐Sang and Bare, Simon R. and Meirer, Florian and Poplawsky, Jonathan D. and Weckhuysen, Bert M.}, year={2018}, month=oct, pages={488–494} }