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Dialing in Catalyti...
Dialing in Catalytic Sites on Metal Organic Framework Nodes : MIL-53(Al) and MIL-68(Al) Probed with Methanol Dehydration Catalysis
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- Wang, Zhengyan (författare)
- College of Chemical Engineering, State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 21000, China
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- Babucci, Melike (författare)
- Department of Chemical Engineering, University of California at Davis, Davis, California 95616, United States
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- Zhang, Yafeng (författare)
- CAS Key Laboratory of Science and Technology on Applied Catalysis and Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics (DICP), Chinese Academy of Sciences, Dalian, Liaoning 116023, China
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- Wen, Yujie (författare)
- Key Laboratory of Mesoscopic Chemistry of MOE and Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210023, China
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- Peng, Luming (författare)
- Key Laboratory of Mesoscopic Chemistry of MOE and Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210023, China
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- Yang, Bing (författare)
- CAS Key Laboratory of Science and Technology on Applied Catalysis and Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics (DICP), Chinese Academy of Sciences, Dalian, Liaoning 116023, China
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- Gates, Bruce C. (författare)
- Department of Chemical Engineering, University of California at Davis, Davis, California 95616, United States
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- Yang, Dong (författare)
- College of Chemical Engineering, State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 21000, China
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(creator_code:org_t)
- 2020-11-12
- 2020
- Engelska.
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Ingår i: ACS Applied Materials and Interfaces. - : American Chemical Society (ACS). - 1944-8244 .- 1944-8252. ; 12:47, s. 53537-53546
- Relaterad länk:
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https://www.osti.gov...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Many metal organic frameworks (MOFs) incorporate metal oxide clusters as nodes. Node sites where linkers are missing can be catalytic sites. We now show how to dial in the number and occupancy of such sites in MIL-53 and MIL-68, which incorporate aluminum-oxide-like nodes. The methods involve modulators used in synthesis and postsynthesis reactions to control the modulator-derived groups on these sites. We illustrate the methods using formic acid as a modulator, giving formate ligands on the sites, and these can be removed to leave μ2-OH groups and open Lewis acid sites. Methanol dehydration was used as a catalytic reaction to probe these sites, with infrared spectra giving evidence of methoxide ligands as reaction intermediates. Control of node surface chemistry opens the door for placement of a variety of ligands on a wide range of metal oxide cluster nodes for dialing in reactivity and catalytic properties of a potentially immense class of structurally well-defined materials.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Nyckelord
- General Materials Science
- metal−organic frameworks
- MIL-53(Al)
- MIL-68(Al)
- defects
- methanol dehydration catalysis
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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