Copper Pairing in the Mordenite Framework as a Function of the Cu
EXAFS
XANES
copper
methane-to-methanol conversion
mordenite
wavelet transform
Journal
Angewandte Chemie (International ed. in English)
ISSN: 1521-3773
Titre abrégé: Angew Chem Int Ed Engl
Pays: Germany
ID NLM: 0370543
Informations de publication
Date de publication:
01 12 2021
01 12 2021
Historique:
received:
20
07
2021
pubmed:
29
9
2021
medline:
29
9
2021
entrez:
28
9
2021
Statut:
ppublish
Résumé
A series of gas-phase reactants is used to treat a Cu-exchanged mordenite zeolite with the aim of studying the influence of the reaction environment on the formation of Cu pairs. The rearrangement of Cu ions to form multimeric sites as a function of their oxidation state was probed by X-ray absorption spectroscopy (XAS) and also by applying advanced analysis through wavelet transform, a method able to specifically locate Cu-Cu interactions also in the presence of overlapping contributions from other scattering paths. The nature of the Cu-oxo species formed upon oxidation was further crosschecked by DFT-assisted fitting of the EXAFS data and by resonant Raman spectroscopy. Altogether, the Cu
Identifiants
pubmed: 34582094
doi: 10.1002/anie.202109705
pmc: PMC9298398
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
25891-25896Subventions
Organisme : h2020 european research council
ID : 856446
Informations de copyright
© 2021 The Authors. Angewandte Chemie International Edition published by Wiley-VCH GmbH.
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