DOI: 10.1126/science.aan5630. Dynamic multinuclear sites formed by mobilized copper ions in NO <i> <sub>x</sub> </i> selective catalytic reduction

Dynamic multinuclear sites formed by mobilized copper ions in NO x selective catalytic reduction

10.1126/science.aan5630

Crossref journal-article

American Association for the Advancement of Science (AAAS)

Science (221)

Abstract

X-ray vision spies copper on the move Copper ions in zeolites help remove noxious nitrogen oxides from diesel exhaust by catalyzing their reaction with ammonia and oxygen. Paolucci et al. found that these copper ions may move about during the reaction (see the Perspective by Janssens and Vennestrom). Zeolite catalysts generally fix metals in place while the reacting partners flow in and out of their cagelike structures. In this case, though, x-ray absorption spectroscopy suggested that the ammonia was mobilizing the copper ions to pair up as they activated oxygen during the catalytic cycle. Science , this issue p. 898 ; see also p. 866

Bibliography

Paolucci, C., Khurana, I., Parekh, A. A., Li, S., Shih, A. J., Li, H., Di Iorio, J. R., Albarracin-Caballero, J. D., Yezerets, A., Miller, J. T., Delgass, W. N., Ribeiro, F. H., Schneider, W. F., & Gounder, R. (2017). Dynamic multinuclear sites formed by mobilized copper ions in NO x selective catalytic reduction. Science, 357(6354), 898â903.

Authors 14

Christopher Paolucci (first)
Ishant Khurana (additional)
Atish A. Parekh (additional)
Sichi Li (additional)
Arthur J. Shih (additional)
Hui Li (additional)
John R. Di Iorio (additional)
Jonatan D. Albarracin-Caballero (additional)
Aleksey Yezerets (additional)
Jeffrey T. Miller (additional)
W. Nicholas Delgass (additional)
Fabio H. Ribeiro (additional)
William F. Schneider (additional)
Rajamani Gounder (additional)

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Dates

Type	When
Created	8 years ago (Aug. 17, 2017, 8:50 p.m.)
Deposited	1 year, 7 months ago (Jan. 15, 2024, 12:30 p.m.)
Indexed	1 hour, 3 minutes ago (Aug. 27, 2025, 10:40 a.m.)
Issued	7 years, 11 months ago (Sept. 1, 2017)
Published	7 years, 11 months ago (Sept. 1, 2017)
Published Print	7 years, 11 months ago (Sept. 1, 2017)

Funders 5

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U.S. Department of Energy 10.13039/100000015
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gov (National government)
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Cummins, Inc. 10.13039/100008298 Cummins Incorporated
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pri (For-profit companies (industry))
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BibTeX

@article{Paolucci_2017, title={Dynamic multinuclear sites formed by mobilized copper ions in NO x selective catalytic reduction}, volume={357}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.aan5630}, DOI={10.1126/science.aan5630}, number={6354}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Paolucci, Christopher and Khurana, Ishant and Parekh, Atish A. and Li, Sichi and Shih, Arthur J. and Li, Hui and Di Iorio, John R. and Albarracin-Caballero, Jonatan D. and Yezerets, Aleksey and Miller, Jeffrey T. and Delgass, W. Nicholas and Ribeiro, Fabio H. and Schneider, William F. and Gounder, Rajamani}, year={2017}, month=sep, pages={898–903} }

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