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Bols ML, Ma J, Rammal F, Plessers D, Wu X, Navarro-Jaén S, Heyer AJ, Sels BF, Solomon EI, Schoonheydt RA. In Situ UV-Vis-NIR Absorption Spectroscopy and Catalysis. Chem Rev 2024; 124:2352-2418. [PMID: 38408190 DOI: 10.1021/acs.chemrev.3c00602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
This review highlights in situ UV-vis-NIR range absorption spectroscopy in catalysis. A variety of experimental techniques identifying reaction mechanisms, kinetics, and structural properties are discussed. Stopped flow techniques, use of laser pulses, and use of experimental perturbations are demonstrated for in situ studies of enzymatic, homogeneous, heterogeneous, and photocatalysis. They access different time scales and are applicable to different reaction systems and catalyst types. In photocatalysis, femto- and nanosecond resolved measurements through transient absorption are discussed for tracking excited states. UV-vis-NIR absorption spectroscopies for structural characterization are demonstrated especially for Cu and Fe exchanged zeolites and metalloenzymes. This requires combining different spectroscopies. Combining magnetic circular dichroism and resonance Raman spectroscopy is especially powerful. A multitude of phenomena can be tracked on transition metal catalysts on various supports, including changes in oxidation state, adsorptions, reactions, support interactions, surface plasmon resonances, and band gaps. Measurements of oxidation states, oxygen vacancies, and band gaps are shown on heterogeneous catalysts, especially for electrocatalysis. UV-vis-NIR absorption is burdened by broad absorption bands. Advanced analysis techniques enable the tracking of coking reactions on acid zeolites despite convoluted spectra. The value of UV-vis-NIR absorption spectroscopy to catalyst characterization and mechanistic investigation is clear but could be expanded.
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Affiliation(s)
- Max L Bols
- Laboratory for Chemical Technology (LCT), University of Ghent, Technologiepark Zwijnaarde 125, 9052 Ghent, Belgium
| | - Jing Ma
- Department of Microbial and Molecular Systems, Center for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Fatima Rammal
- Department of Microbial and Molecular Systems, Center for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Dieter Plessers
- Department of Microbial and Molecular Systems, Center for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Xuejiao Wu
- Department of Microbial and Molecular Systems, Center for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Sara Navarro-Jaén
- Department of Microbial and Molecular Systems, Center for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Alexander J Heyer
- Department of Microbial and Molecular Systems, Center for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Bert F Sels
- Department of Microbial and Molecular Systems, Center for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Edward I Solomon
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Robert A Schoonheydt
- Department of Microbial and Molecular Systems, Center for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
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2
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Yang WL, Zhang SD, Zhang MY. Theoretical Study of the Natural Active Structure of the Fe-SSZ-13 Zeolite and its Reactivity toward the Methane to Methanol Oxidation Reaction. Chem Phys Lett 2023. [DOI: 10.1016/j.cplett.2023.140440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2023]
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3
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Affiliation(s)
- Milica Feldt
- Leibniz Institute for Catalysis: Leibniz-Institut fur Katalyse eV Theory & Catalysis Albert-Einstein-Str 29A 18059 Rostock GERMANY
| | - Quan Manh Phung
- Nagoya University: Nagoya Daigaku Department of Chemistry JAPAN
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4
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Vitillo JG, Cramer CJ, Gagliardi L. Multireference Methods are Realistic and Useful Tools for Modeling Catalysis. Isr J Chem 2022. [DOI: 10.1002/ijch.202100136] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Jenny G. Vitillo
- Department of Science and High Technology and INSTM Università degli Studi dell'Insubria Via Valleggio 9 I-22100 Como Italy
| | - Christopher J. Cramer
- Underwriters Laboratories Inc. 333 Pfingsten Road Northbrook Illinois 60602 United States
| | - Laura Gagliardi
- Department of Chemistry Pritzker School of Molecular Engineering James Franck Institute University of Chicago Chicago Illinois 60637 United States
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5
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Rhoda HM, Heyer AJ, Snyder BER, Plessers D, Bols ML, Schoonheydt RA, Sels BF, Solomon EI. Second-Sphere Lattice Effects in Copper and Iron Zeolite Catalysis. Chem Rev 2022; 122:12207-12243. [PMID: 35077641 DOI: 10.1021/acs.chemrev.1c00915] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Transition-metal-exchanged zeolites perform remarkable chemical reactions from low-temperature methane to methanol oxidation to selective reduction of NOx pollutants. As with metalloenzymes, metallozeolites have impressive reactivities that are controlled in part by interactions outside the immediate coordination sphere. These second-sphere effects include activating a metal site through enforcing an "entatic" state, controlling binding and access to the metal site with pockets and channels, and directing radical rebound vs cage escape. This review explores these effects with emphasis placed on but not limited to the selective oxidation of methane to methanol with a focus on copper and iron active sites, although other transition-metal-ion zeolite reactions are also explored. While the actual active-site geometric and electronic structures are different in the copper and iron metallozeolites compared to the metalloenzymes, their second-sphere interactions with the lattice or the protein environments are found to have strong parallels that contribute to their high activity and selectivity.
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Affiliation(s)
- Hannah M Rhoda
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Alexander J Heyer
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Benjamin E R Snyder
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Dieter Plessers
- Department of Microbial and Molecular Systems, Center for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Max L Bols
- Department of Microbial and Molecular Systems, Center for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Robert A Schoonheydt
- Department of Microbial and Molecular Systems, Center for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Bert F Sels
- Department of Microbial and Molecular Systems, Center for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Edward I Solomon
- Department of Chemistry, Stanford University, Stanford, California 94305, United States.,Photon Science, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, United States
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6
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Bols ML, Devos J, Rhoda HM, Plessers D, Solomon EI, Schoonheydt RA, Sels BF, Dusselier M. Selective Formation of α-Fe(II) Sites on Fe-Zeolites through One-Pot Synthesis. J Am Chem Soc 2021; 143:16243-16255. [PMID: 34570975 DOI: 10.1021/jacs.1c07590] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
α-Fe(II) active sites in iron zeolites catalyze N2O decomposition and form highly reactive α-O that selectively oxidizes unreactive hydrocarbons, such as methane. How these α-Fe(II) sites are formed remains unclear. Here different methods of iron introduction into zeolites are compared to derive the limiting factors of Fe speciation to α-Fe(II). Postsynthetic iron introduction procedures on small pore zeolites suffer from limited iron diffusion and dispersion leading to iron oxides. In contrast, by introducing Fe(III) in the hydrothermal synthesis mixture of the zeolite (one-pot synthesis) and the right treatment, crystalline CHA can be prepared with >1.6 wt % Fe, of which >70% is α-Fe(II). The effect of iron on the crystallization is investigated, and the intermediate Fe species are tracked using UV-vis-NIR, FT-IR, and Mössbauer spectroscopy. These data are supplemented with online mass spectrometry in each step, with reactivity tests in α-O formation and with methanol yields in stoichiometric methane activation at room temperature and pressure. We recover up to 134 μmol methanol per gram in a single cycle through H2O/CH3CN extraction and 183 μmol/g through steam desorption, a record yield for iron zeolites. A general scheme is proposed for iron speciation in zeolites through the steps of drying, calcination, and activation. The formation of two cohorts of α-Fe(II) is discovered, one before and one after high temperature activation. We propose the latter cohort depends on the reshuffling of aluminum in the zeolite lattice to accommodate thermodynamically favored α-Fe(II).
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Affiliation(s)
- Max L Bols
- Department of Microbial and Molecular Systems, KU Leuven, 3001 Heverlee, Belgium
| | - Julien Devos
- Department of Microbial and Molecular Systems, KU Leuven, 3001 Heverlee, Belgium
| | - Hannah M Rhoda
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Dieter Plessers
- Department of Microbial and Molecular Systems, KU Leuven, 3001 Heverlee, Belgium
| | - Edward I Solomon
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Robert A Schoonheydt
- Department of Microbial and Molecular Systems, KU Leuven, 3001 Heverlee, Belgium
| | - Bert F Sels
- Department of Microbial and Molecular Systems, KU Leuven, 3001 Heverlee, Belgium
| | - Michiel Dusselier
- Department of Microbial and Molecular Systems, KU Leuven, 3001 Heverlee, Belgium
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7
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Snyder BER, Bols ML, Rhoda HM, Plessers D, Schoonheydt RA, Sels BF, Solomon EI. Cage effects control the mechanism of methane hydroxylation in zeolites. Science 2021; 373:327-331. [PMID: 34437151 PMCID: PMC10353845 DOI: 10.1126/science.abd5803] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 03/22/2021] [Accepted: 05/10/2021] [Indexed: 11/03/2022]
Abstract
Catalytic conversion of methane to methanol remains an economically tantalizing but fundamentally challenging goal. Current technologies based on zeolites deactivate too rapidly for practical application. We found that similar active sites hosted in different zeolite lattices can exhibit markedly different reactivity with methane, depending on the size of the zeolite pore apertures. Whereas zeolite with large pore apertures deactivates completely after a single turnover, 40% of active sites in zeolite with small pore apertures are regenerated, enabling a catalytic cycle. Detailed spectroscopic characterization of reaction intermediates and density functional theory calculations show that hindered diffusion through small pore apertures disfavors premature release of CH3 radicals from the active site after C-H activation, thereby promoting radical recombination to form methanol rather than deactivated Fe-OCH3 centers elsewhere in the lattice.
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Affiliation(s)
| | - Max L Bols
- Department of Microbial and Molecular Systems, Centre for Sustainable Catalysis and Engineering, KU Leuven-University of Leuven, B-3001 Leuven, Belgium
| | - Hannah M Rhoda
- Department of Chemistry, Stanford University, Stanford, CA 94305, USA
| | - Dieter Plessers
- Department of Microbial and Molecular Systems, Centre for Sustainable Catalysis and Engineering, KU Leuven-University of Leuven, B-3001 Leuven, Belgium
| | - Robert A Schoonheydt
- Department of Microbial and Molecular Systems, Centre for Sustainable Catalysis and Engineering, KU Leuven-University of Leuven, B-3001 Leuven, Belgium.
| | - Bert F Sels
- Department of Microbial and Molecular Systems, Centre for Sustainable Catalysis and Engineering, KU Leuven-University of Leuven, B-3001 Leuven, Belgium.
| | - Edward I Solomon
- Department of Chemistry, Stanford University, Stanford, CA 94305, USA.
- Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Stanford University, Menlo Park, CA 94025, USA
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8
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Bols ML, Snyder BER, Rhoda HM, Cnudde P, Fayad G, Schoonheydt RA, Van Speybroeck V, Solomon EI, Sels BF. Coordination and activation of nitrous oxide by iron zeolites. Nat Catal 2021. [DOI: 10.1038/s41929-021-00602-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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9
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Aranifard S, Bell AT, Keil FJ, Heyden A. Kinetic modeling of nitrous oxide decomposition on Fe-ZSM-5 in the presence of nitric oxide based on parameters obtained from first-principles calculations. Catal Sci Technol 2021. [DOI: 10.1039/d1cy00252j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A variety of experiments for the N2O decomposition over Fe-ZSM-5 catalysts have been simulated in the presence and absence of small amounts of nitric oxide and water vapor.
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Affiliation(s)
- Sara Aranifard
- Department of Chemical Engineering
- University of South Carolina
- Columbia
- USA
| | - Alexis T. Bell
- Department of Chemical and Biomolecular Engineering
- University of California Berkeley
- Berkeley
- USA
| | - Frerich J. Keil
- Department of Chemical Reaction Engineering
- Hamburg University of Technology
- 21073 Hamburg
- Germany
| | - Andreas Heyden
- Department of Chemical Engineering
- University of South Carolina
- Columbia
- USA
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10
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Elinburg JK, Doerrer LH. Synthesis, structure, and electronic properties of late first-row transition metal complexes of fluorinated alkoxides and aryloxides. Polyhedron 2020. [DOI: 10.1016/j.poly.2020.114765] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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11
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Kvande K, Pappas DK, Borfecchia E, Lomachenko KA. Advanced X‐ray Absorption Spectroscopy Analysis to Determine Structure‐Activity Relationships for Cu‐Zeolites in the Direct Conversion of Methane to Methanol. ChemCatChem 2020. [DOI: 10.1002/cctc.201902371] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Karoline Kvande
- Centre for Materials Science and Nanotechnology Department of Chemistry University of Oslo Sem Sælands vei 26 0371 Oslo Norway
| | - Dimitrios K. Pappas
- Centre for Materials Science and Nanotechnology Department of Chemistry University of Oslo Sem Sælands vei 26 0371 Oslo Norway
| | - Elisa Borfecchia
- Department of Chemistry, NIS Center and INSTM Reference Center University of Turin Via P. Giuria 7 10125 Turin Italy
| | - Kirill A. Lomachenko
- European Synchrotron Radiation Facility 71 Avenue des Martyrs, CS 40220 Grenoble Cedex 9 38043 France
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12
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Bols ML, Rhoda HM, Snyder BER, Solomon EI, Pierloot K, Schoonheydt RA, Sels BF. Advances in the synthesis, characterisation, and mechanistic understanding of active sites in Fe-zeolites for redox catalysts. Dalton Trans 2020; 49:14749-14757. [PMID: 33140781 DOI: 10.1039/d0dt01857k] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
The recent research developments on the active sites in Fe-zeolites for redox catalysis are discussed. Building on the characterisation of the α-Fe/α-O active sites in the beta and chabazite zeolites, we demonstrate a bottom-up approach to successfully understand and develop Fe-zeolite catalysts. We use the room temperature benzene to phenol reaction as a relevant example. We then suggest how the spectroscopic identification of other monomeric and dimeric iron sites could be tackled. The challenges in the characterisation of active sites and intermediates in NOX selective catalytic reduction catalysts and further development of catalysts for mild partial methane oxidation are briefly discussed.
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Affiliation(s)
- Max L Bols
- Department of Microbial and Molecular Systems, KU Leuven, 3001 Heverlee, Belgium.
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13
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Gaggioli CA, Stoneburner SJ, Cramer CJ, Gagliardi L. Beyond Density Functional Theory: The Multiconfigurational Approach To Model Heterogeneous Catalysis. ACS Catal 2019. [DOI: 10.1021/acscatal.9b01775] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Carlo Alberto Gaggioli
- Department of Chemistry, Chemical Theory Center and Supercomputing Institute, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455-0431, United States
| | - Samuel J. Stoneburner
- Department of Chemistry, Chemical Theory Center and Supercomputing Institute, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455-0431, United States
| | - Christopher J. Cramer
- Department of Chemistry, Chemical Theory Center and Supercomputing Institute, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455-0431, United States
| | - Laura Gagliardi
- Department of Chemistry, Chemical Theory Center and Supercomputing Institute, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455-0431, United States
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14
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Mahyuddin MH, Shiota Y, Yoshizawa K. Methane selective oxidation to methanol by metal-exchanged zeolites: a review of active sites and their reactivity. Catal Sci Technol 2019. [DOI: 10.1039/c8cy02414f] [Citation(s) in RCA: 106] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A review of the recent progress in revealing the structures, formation, and reactivity of the active sites in Fe-, Co-, Ni- and Cu-exchanged zeolites as well as outlooks on future research challenges and opportunities is presented.
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Affiliation(s)
- Muhammad Haris Mahyuddin
- Institute for Materials Chemistry and Engineering and IRCCS
- Kyushu University
- Fukuoka 819-0395
- Japan
| | - Yoshihito Shiota
- Institute for Materials Chemistry and Engineering and IRCCS
- Kyushu University
- Fukuoka 819-0395
- Japan
| | - Kazunari Yoshizawa
- Institute for Materials Chemistry and Engineering and IRCCS
- Kyushu University
- Fukuoka 819-0395
- Japan
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15
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Li G, Pidko EA. The Nature and Catalytic Function of Cation Sites in Zeolites: a Computational Perspective. ChemCatChem 2018. [DOI: 10.1002/cctc.201801493] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Guanna Li
- Department Chemical EngineeringDelft University of Technology Van der Maasweg 9 Delft 2629 HZ The Netherlands
| | - Evgeny A. Pidko
- Department Chemical EngineeringDelft University of Technology Van der Maasweg 9 Delft 2629 HZ The Netherlands
- ITMO University Lomonosova str. 9 St. Petersburg 191002 Russia
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16
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Bols ML, Hallaert SD, Snyder BER, Devos J, Plessers D, Rhoda HM, Dusselier M, Schoonheydt RA, Pierloot K, Solomon EI, Sels BF. Spectroscopic Identification of the α-Fe/α-O Active Site in Fe-CHA Zeolite for the Low-Temperature Activation of the Methane C-H Bond. J Am Chem Soc 2018; 140:12021-12032. [PMID: 30169036 DOI: 10.1021/jacs.8b05877] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The formation of single-site α-Fe in the CHA zeolite topology is demonstrated. The site is shown to be active in oxygen atom abstraction from N2O to form a highly reactive α-O, capable of methane activation at room temperature to form methanol. The methanol product can subsequently be desorbed by online steaming at 200 °C. For the intermediate steps of the reaction cycle, the evolution of the Fe active site is monitored by UV-vis-NIR and Mössbauer spectroscopy. A B3LYP-DFT model of the α-Fe site in CHA is constructed, and the ligand field transitions are calculated by CASPT2. The model is experimentally substantiated by the preferential formation of α-Fe over other Fe species, the requirement of paired framework aluminum and a MeOH/Fe ratio indicating a mononuclear active site. The simple CHA topology is shown to mitigate the heterogeneity of iron speciation found on other Fe-zeolites, with Fe2O3 being the only identifiable phase other than α-Fe formed in Fe-CHA. The α-Fe site is formed in the d6r composite building unit, which occurs frequently across synthetic and natural zeolites. Finally, through a comparison between α-Fe in Fe-CHA and Fe-*BEA, the topology's 6MR geometry is found to influence the structure, the ligand field, and consequently the spectroscopy of the α-Fe site in a predictable manner. Variations in zeolite topology can thus be used to rationally tune the active site properties.
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Affiliation(s)
- Max L Bols
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis , KU Leuven , Celestijnenlaan 200F , B-3001 Leuven , Belgium
| | - Simon D Hallaert
- Department of Chemistry , KU Leuven , Celestijnenlaan 200F , B-3001 Leuven , Belgium
| | - Benjamin E R Snyder
- Department of Chemistry , Stanford University , Stanford , California 94305 , United States
| | - Julien Devos
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis , KU Leuven , Celestijnenlaan 200F , B-3001 Leuven , Belgium
| | - Dieter Plessers
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis , KU Leuven , Celestijnenlaan 200F , B-3001 Leuven , Belgium
| | - Hannah M Rhoda
- Department of Chemistry , Stanford University , Stanford , California 94305 , United States
| | - Michiel Dusselier
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis , KU Leuven , Celestijnenlaan 200F , B-3001 Leuven , Belgium
| | - Robert A Schoonheydt
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis , KU Leuven , Celestijnenlaan 200F , B-3001 Leuven , Belgium
| | - Kristine Pierloot
- Department of Chemistry , KU Leuven , Celestijnenlaan 200F , B-3001 Leuven , Belgium
| | - Edward I Solomon
- Department of Chemistry , Stanford University , Stanford , California 94305 , United States.,Photon Science, SLAC National Accelerator Laboratory , 2575 Sand Hill Road , Menlo Park , California 94025 , United States
| | - Bert F Sels
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis , KU Leuven , Celestijnenlaan 200F , B-3001 Leuven , Belgium
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17
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Avdeev VI, Bedilo AF. Formation of reactive oxygen by N2O decomposition over binuclear cationic sites of Fe-ferrierite zeolite: Periodic DFT + U study. Chem Phys Lett 2018. [DOI: 10.1016/j.cplett.2018.02.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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18
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Kulkarni AR, Zhao ZJ, Siahrostami S, Nørskov JK, Studt F. Cation-exchanged zeolites for the selective oxidation of methane to methanol. Catal Sci Technol 2018. [DOI: 10.1039/c7cy01229b] [Citation(s) in RCA: 117] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Development of an ideal methane activation catalyst presents a trade-off between stability and reactivity of the active site that can be achieved by tuning the transition metal cation, active site motif and the zeolite topology.
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Affiliation(s)
- Ambarish R. Kulkarni
- SUNCAT Center for Interface Science and Catalysis
- Department of Chemical Engineering
- Stanford University
- California 94305
- USA
| | - Zhi-Jian Zhao
- SUNCAT Center for Interface Science and Catalysis
- Department of Chemical Engineering
- Stanford University
- California 94305
- USA
| | - Samira Siahrostami
- SUNCAT Center for Interface Science and Catalysis
- Department of Chemical Engineering
- Stanford University
- California 94305
- USA
| | - Jens K. Nørskov
- SUNCAT Center for Interface Science and Catalysis
- Department of Chemical Engineering
- Stanford University
- California 94305
- USA
| | - Felix Studt
- Institute of Catalysis Research and Technology
- Karlsruhe Institute of Technology
- 76344 Eggenstein-Leopoldshafen
- Germany
- Institute for Chemical Technology and Polymer Chemistry
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