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Improved lifetime and stability of copper species in hierarchical, copper-incorporated CuSAPO-34 verified by catalytic model reactions

Sørli, Guro; Azim, Muhammad Mohsin; Rønning, Magnus; Mathisen, Karina
Peer reviewed, Journal article
Accepted version
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URI
https://hdl.handle.net/11250/2825928
Date
2021
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  • Institutt for kjemi [1502]
  • Institutt for kjemisk prosessteknologi [1876]
  • Publikasjoner fra CRIStin - NTNU [41881]
Original version
10.1039/D1CP01898A
Abstract
The first successful synthesis of hierarchical CuSAPO-34 (3.9 wt% Cu) is reported using the polymer Pluronic F127 as a mesoporous structure directing agent (SDA). X-Ray absorption spectroscopy (XAS) revealed single site Cu2+ with 4 nearest oxygen neighbours at 1.96 Å. A catalytic model reaction, the selective reduction of NO with different sized hydrocarbons as reductants, explained that Cu2+ is accessible and reactive in both micro- and mesopores of the hierarchical CuSAPO-34. The presence of mesopores resulted in superior lifetime of the hierarchical CuSAPO-34 in the catalytic model reaction, selective oxidation of propene.
Publisher
Royal Society of Chemistry
Journal
Physical Chemistry, Chemical Physics - PCCP
Copyright
This is the authors' accepted manuscript to an article published by Royal Society of Chemistry. Locked until 5.7.2022 due to copyright restrictions.

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