Abstract
The understanding of the catalyst-support interactions has been an important challenge in heterogeneous catalysis since the supports can play a vital role in controlling the properties of the active species and hence their catalytic performance. Herein, a series of isostructural mesoporous metal-organic frameworks (MOFs) based on transition metals, lanthanides, and actinides (Zr, Hf, Ce, Th) were investigated as supports for a vanadium catalyst. The vanadium species was coordinated to the oxo groups of the MOF node in a single-ion fashion, as determined by single-crystal X-ray diffraction, diffuse reflectance infrared Fourier transform spectroscopy, and diffuse reflectance UV-vis spectroscopy. The support effects of these isostructural MOFs were then probed using the aerobic oxidation of 4-methoxybenzyl alcohol as a model reaction. The turnover frequency was found to be correlated with the electronegativity and oxidation state of the metal cations on the supporting MOF nodes, highlighting an important consideration when designing catalyst supports.
Original language | English (US) |
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Pages (from-to) | 8306-8314 |
Number of pages | 9 |
Journal | Journal of the American Chemical Society |
Volume | 141 |
Issue number | 20 |
DOIs | |
State | Published - 2020 |
ASJC Scopus subject areas
- Catalysis
- Chemistry(all)
- Biochemistry
- Colloid and Surface Chemistry
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CCDC 1876021: Experimental Crystal Structure Determination
Wang, X. (Contributor), Zhang, X. (Contributor), Li, P. (Contributor), Otake, K. (Contributor), Cui, Y. (Contributor), Lyu, J. (Contributor), Krzyaniak, M. D. (Contributor), Zhang, Y. (Contributor), Li, Z. (Contributor), Liu, J. (Contributor), Buru, C. T. (Contributor), Islamoglu, T. (Contributor), Wasielewski, M. R. (Contributor), Li, Z. (Contributor) & Farha, O. K. (Contributor), Cambridge Crystallographic Data Centre, 2019
DOI: 10.5517/ccdc.csd.cc20z4tz, http://www.ccdc.cam.ac.uk/services/structure_request?id=doi:10.5517/ccdc.csd.cc20z4tz&sid=DataCite
Dataset
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CCDC 1899942: Experimental Crystal Structure Determination
Wang, X. (Contributor), Zhang, X. (Contributor), Li, P. (Contributor), Otake, K. (Contributor), Cui, Y. (Contributor), Lyu, J. (Contributor), Krzyaniak, M. D. (Contributor), Zhang, Y. (Contributor), Li, Z. (Contributor), Liu, J. (Contributor), Buru, C. T. (Contributor), Islamoglu, T. (Contributor), Wasielewski, M. R. (Contributor), Li, Z. (Contributor) & Farha, O. K. (Contributor), Cambridge Crystallographic Data Centre, 2019
DOI: 10.5517/ccdc.csd.cc21s1gc, http://www.ccdc.cam.ac.uk/services/structure_request?id=doi:10.5517/ccdc.csd.cc21s1gc&sid=DataCite
Dataset
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CCDC 1899941: Experimental Crystal Structure Determination
Wang, X. (Contributor), Zhang, X. (Contributor), Li, P. (Contributor), Otake, K. (Contributor), Cui, Y. (Contributor), Lyu, J. (Contributor), Krzyaniak, M. D. (Contributor), Zhang, Y. (Contributor), Li, Z. (Contributor), Liu, J. (Contributor), Buru, C. T. (Contributor), Islamoglu, T. (Contributor), Wasielewski, M. R. (Contributor), Li, Z. (Contributor) & Farha, O. K. (Contributor), Cambridge Crystallographic Data Centre, 2019
DOI: 10.5517/ccdc.csd.cc21s1fb, http://www.ccdc.cam.ac.uk/services/structure_request?id=doi:10.5517/ccdc.csd.cc21s1fb&sid=DataCite
Dataset