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Author |
Smolders, S.; Willhammar, T.; Krajnc, A.; Şentosun, K.; Wharmby, M.T.; Lomachenko, K.A.; Bals, S.; Mali, G.; Roeffaers, M.B.J.; De Vos, D.E.; Bueken, B. |
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Title |
A titanium(IV)-based metal-organic framework featuring defect-rich Ti-O sheets as an oxidative desulfurization catalyst |
Type |
A1 Journal article |
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Year  |
2019 |
Publication |
Angewandte Chemie: international edition in English |
Abbreviated Journal |
Angew Chem Int Edit |
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Volume |
58 |
Issue |
58 |
Pages |
9160-9165 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
While titanium-based metal-organic frameworks (MOFs) have been widely studied for their (photo) catalytic potential, only a few Ti-IV MOFs have been reported owing to the high reactivity of the employed titanium precursors. The synthesis of COK-47 is now presented, the first Ti carboxylate MOF based on sheets of (TiO6)-O-IV octahedra, which can be synthesized with a range of different linkers. COK-47 can be synthesized as an inherently defective nanoparticulate material, rendering it a highly efficient catalyst for the oxidation of thiophenes. Its structure was determined by continuous rotation electron diffraction and studied in depth by X-ray total scattering, EXAFS, and solid-state NMR. Furthermore, its photoactivity was investigated by electron paramagnetic resonance and demonstrated by catalytic photodegradation of rhodamine 6G. |
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Wos |
000476691200034 |
Publication Date |
2019-05-06 |
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ISSN |
1433-7851; 0570-0833 |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
11.994 |
Times cited |
97 |
Open Access |
Not_Open_Access |
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Notes |
; S.S., B.B., and D.E.D.V. gratefully acknowledge the FWO for funding (Aspirant grant, postdoctoral grant, project funding). T.W. acknowledges a grant from the Swedish research council (VR, 2014-06948). He acknowledges financial support from the Knut and Alice Wallenberg Foundation through the project grant 3DEM-NATUR (no. 2012.0112) as well as for purchasing the TEMs. A.K. and G.M. acknowledge the financial support from the Slovenian Research Agency (research core funding No. P1-0021 and project No. N1-0079). We thank beamline I15-1 (XPDF), Diamond Light Source, for collection of X-ray total scattering data as part of the in-house research program (M.T.W.). A. Venier and O. Mathon are kindly acknowledged for the help during the XAS experiment at BM23 beamline of ESRF. We thank C. Lamberti and L. Braglia for providing the reference EXAFS spectrum of anatase. ; |
Approved |
Most recent IF: 11.994 |
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Call Number |
UA @ admin @ c:irua:161932 |
Serial |
5382 |
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