Copper(II) invigorated EHU-30 for continuous electroreduction of CO2 into value-added chemicals

The doping of zirconium based EHU-30 and EHU-30-NH 2 metal–organic frameworks with copper(II) yielded a homogeneous distribution of the dopant with a copper/zirconium ratio of 0.04–0.05. The doping mechanism is analysed by chemical analysis, microstructural analysis and pair distribution function (P...

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Bibliographic Details
Published in:Scientific reports 2022-05, Vol.12 (1), p.8505-8505, Article 8505
Main Authors: Landaluce, Nerea, Perfecto-Irigaray, Maite, Albo, Jonathan, Beobide, Garikoitz, Castillo, Oscar, Irabien, Angel, Luque, Antonio, Méndez, Alba S. J., Platero-Prats, Ana E., Pérez-Yáñez, Sonia
Format: Article
Language:English
Subjects:
639/638/263
639/638/298/921
Adsorption
Alternative energy sources
Analytical chemistry
Carbon dioxide
Chemical analysis
Chemicals
Copper
Humanities and Social Sciences
multidisciplinary
Science
Science (multidisciplinary)
Zirconium
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Summary:The doping of zirconium based EHU-30 and EHU-30-NH 2 metal–organic frameworks with copper(II) yielded a homogeneous distribution of the dopant with a copper/zirconium ratio of 0.04–0.05. The doping mechanism is analysed by chemical analysis, microstructural analysis and pair distribution function (PDF) analysis of synchrotron total scattering data in order to get deeper insight into the local structure. According to these data, the Cu(II) atoms are assembled within the secondary building unit by a transmetalation reaction, contrarily to UiO-66 series in which the post-synthetic metalation of the MOF takes place through chemical anchorage. The resulting materials doubled the overall performance of the parent compounds for the CO 2 electroreduction, while retained stable the performance during continuous transformation reaction.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-022-11846-w