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Catalyst accessibility to chemical reductants in metal-organic frameworks
Stockholm University, Faculty of Science, Department of Organic Chemistry.
Stockholm University, Faculty of Science, Department of Organic Chemistry.
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Number of Authors: 6
2017 (English)In: Chemical Communications, ISSN 1359-7345, E-ISSN 1364-548X, Vol. 53, no 22, 3257-3260 p.Article in journal (Refereed) Published
Abstract [en]

A molecular H-2-evolving catalyst, [Fe-2(cbdt)(CO)(6)] ([FeFe], cbdt = 3-carboxybenzene-1,2-dithiolate), has been attached covalently to an amino-functionalized MIL-101(Cr) through an amide bond. Chemical reduction experiments reveal that the MOF channels can be clogged by ion pairs that are formed between the oxidized reductant and the reduced catalyst. This effect is lessened in MIL-101-NH-[FeFe] with lower [FeFe] loadings. On longer timescales, it is shown that large proportions of the [FeFe] catalysts within the MOF engage in photochemical hydrogen production and the amount of produced hydrogen is proportional to the catalyst loading.

Place, publisher, year, edition, pages
2017. Vol. 53, no 22, 3257-3260 p.
National Category
Organic Chemistry
Research subject
Organic Chemistry
Identifiers
URN: urn:nbn:se:su:diva-142653DOI: 10.1039/c7cc00022gISI: 000398998500023PubMedID: 28261731OAI: oai:DiVA.org:su-142653DiVA: diva2:1095341
Available from: 2017-05-12 Created: 2017-05-12 Last updated: 2017-05-24Bibliographically approved

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Pascanu, VladGonzález Miera, GrecoMartín-Matute, Belén
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