1
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Mendonça J, Brau HP, Nogues D, Candeias A, Podor R. Development of a microfurnace dedicated to in situ scanning electron microscope observation up to 1300 °C. I. Concept, fabrication, and validation. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2024; 95:053704. [PMID: 38753493 DOI: 10.1063/5.0207466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Accepted: 04/29/2024] [Indexed: 05/18/2024]
Abstract
The development of a new heating system dedicated to in situ scanning electron microscope (SEM) experimentation at high temperatures is reported. This system, called FurnaSEM, is a compact microfurnace, enabling heat treatments up to 1300 °C. The choice of materials for the microfurnace is explained. The design of the microfurnace is optimized by iterations of numerical simulations, and the thermal characteristics of the microfurnace are calculated numerically. The numerical results obtained are compared with the thermal characteristics of a manufactured microfurnace, measured on a specially developed dedicated test bench. This test bench includes a working chamber simulating a SEM chamber equipped with a thermal camera. The results obtained during various qualification tests enabled us to determine the main technical characteristics of the FurnaSEM microfurnace: temperature profiles on the sample support surface, energy consumption at high temperatures, and the range of achievable thermal cycles.
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Affiliation(s)
- Jérôme Mendonça
- ICSM, University Montpellier, CNRS, CEA, ENSCM, Site de Marcoule, Bâtiment 426 BP 17171, F-30207 Bagnols-sur-Cèze, France
- NewTec Scientific, 2 route de Sommières, 30820 CAVEIRAC, France
| | - Henri-Pierre Brau
- ICSM, University Montpellier, CNRS, CEA, ENSCM, Site de Marcoule, Bâtiment 426 BP 17171, F-30207 Bagnols-sur-Cèze, France
| | - Dorian Nogues
- NewTec Scientific, 2 route de Sommières, 30820 CAVEIRAC, France
| | | | - Renaud Podor
- ICSM, University Montpellier, CNRS, CEA, ENSCM, Site de Marcoule, Bâtiment 426 BP 17171, F-30207 Bagnols-sur-Cèze, France
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2
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Svenum IH, Strømsheim MD, Knudsen J, Venvik HJ. Activity and segregation behavior of Pd75%Ag25%(111) during CO oxidation– an in situ NAP-XPS investigation. J Catal 2022. [DOI: 10.1016/j.jcat.2022.11.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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3
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García-Martínez F, Rämisch L, Ali K, Waluyo I, Bodero RC, Pfaff S, Villar-García IJ, Walter AL, Hunt A, Pérez-Dieste V, Zetterberg J, Lundgren E, Schiller F, Ortega JE. Structure Matters: Asymmetric CO Oxidation at Rh Steps with Different Atomic Packing. J Am Chem Soc 2022; 144:15363-15371. [PMID: 35960901 PMCID: PMC9413197 DOI: 10.1021/jacs.2c06733] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
Curved crystals are a simple but powerful approach to
bridge the
gap between single crystal surfaces and nanoparticle catalysts, by
allowing a rational assessment of the role of active step sites in
gas-surface reactions. Using a curved Rh(111) crystal, here, we investigate
the effect of A-type (square geometry) and B-type (triangular geometry)
atomic packing of steps on the catalytic CO oxidation on Rh at millibar
pressures. Imaging the crystal during reaction ignition with laser-induced
CO2 fluorescence demonstrates a two-step process, where
B-steps ignite at lower temperature than A-steps. Such fundamental
dissimilarity is explained in ambient pressure X-ray photoemission
(AP-XPS) experiments, which reveal partial CO desorption and oxygen
buildup only at B-steps. AP-XPS also proves that A-B step asymmetries
extend to the active stage: at A-steps, low-active O–Rh–O
trilayers buildup immediately after ignition, while highly active
chemisorbed O is the dominant species on B-type steps. We conclude
that B-steps are more efficient than A-steps for the CO oxidation.
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Affiliation(s)
| | - Lisa Rämisch
- Department of Physics, Lund University, Lund 221 000, Sweden
| | - Khadiza Ali
- Centro de Física de Materiales CSIC/UPV-EHU-Materials Physics Center, Manuel Lardizábal 5, San Sebastián 20018, Spain
| | - Iradwikanari Waluyo
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Rodrigo Castrillo Bodero
- Centro de Física de Materiales CSIC/UPV-EHU-Materials Physics Center, Manuel Lardizábal 5, San Sebastián 20018, Spain
| | - Sebastian Pfaff
- Department of Physics, Lund University, Lund 221 000, Sweden
| | - Ignacio J Villar-García
- NAPP Station, CIRCE Beamline, ALBA synchrotron, Carrer de la Llum 2-26, Cerdanyola del Vallès 08290, Spain
| | - Andrew Leigh Walter
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Adrian Hunt
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Virginia Pérez-Dieste
- NAPP Station, CIRCE Beamline, ALBA synchrotron, Carrer de la Llum 2-26, Cerdanyola del Vallès 08290, Spain
| | | | - Edvin Lundgren
- Department of Physics, Lund University, Lund 221 000, Sweden
| | - Frederik Schiller
- Centro de Física de Materiales CSIC/UPV-EHU-Materials Physics Center, Manuel Lardizábal 5, San Sebastián 20018, Spain
| | - J Enrique Ortega
- Departamento Física Aplicada, Universidad del País Vasco, San Sebastián 20018, Spain.,Centro de Física de Materiales CSIC/UPV-EHU-Materials Physics Center, Manuel Lardizábal 5, San Sebastián 20018, Spain.,Donostia International Physics Centre, Manuel Lardizábal 4, San Sebastián 20018, Spain
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4
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Chien TE, Hohmann L, Harding DJ. Near-ambient pressure velocity map imaging. J Chem Phys 2022; 157:034201. [DOI: 10.1063/5.0098495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
We present a new velocity map imaging instrument for studying molecular beam surface scattering in a near-ambient pressure (NAP-VMI) environment. The instrument offers the possibility to study chemical reaction dynamics and kinetics where higher pressures are either desired or unavoidable, adding a new tool to help close the “pressure gap” between surface science and applied catalysis. NAP-VMI conditions are created by two sets of ion optics that guide ions through an aperture and map their velocities. The aperture separates the high pressure ionization region and maintains the necessary vacuum in the detector region. The performance of the NAP-VMI is demonstrated with results from N2O photodissociation and N2 scattering from a Pd(110) surface, which are compared under vacuum and at near-ambient pressure (1 × 10−3 mbar). NAP-VMI has the potential to be applied to, and useful for, a broader range of experiments, including photoelectron spectroscopy and scattering with liquid microjets.
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Affiliation(s)
- Tzu-En Chien
- Department of Chemical Engineering, KTH Royal Institute of Technology, Stockholm 100 44, Sweden
| | - Lea Hohmann
- Department of Chemical Engineering, KTH Royal Institute of Technology, Stockholm 100 44, Sweden
| | - Dan J. Harding
- Department of Chemical Engineering, KTH Royal Institute of Technology, Stockholm 100 44, Sweden
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5
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Pfaff S, Rämisch L, Gericke SM, Larsson A, Lundgren E, Zetterberg J. Visualizing the Gas Diffusion Induced Ignition of a Catalytic Reaction. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Sebastian Pfaff
- Lund University, Combustion Physics, Sölvegatan 14, S-22363 Lund, Sweden
| | - Lisa Rämisch
- Lund University, Combustion Physics, Sölvegatan 14, S-22363 Lund, Sweden
| | - Sabrina M. Gericke
- Lund University, Combustion Physics, Sölvegatan 14, S-22363 Lund, Sweden
| | - Alfred Larsson
- Lund University, Division of Synchrotron Radiation Research, Sölvegatan 14, S-22363 Lund, Sweden
| | - Edvin Lundgren
- Lund University, Division of Synchrotron Radiation Research, Sölvegatan 14, S-22363 Lund, Sweden
| | - Johan Zetterberg
- Lund University, Combustion Physics, Sölvegatan 14, S-22363 Lund, Sweden
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6
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Lashina E, Slavinskaya E, Boronin A. Low-temperature activity of Pd/CeO2 catalysts: Mechanism of CO interaction and mathematical modelling of TPR-CO kinetic data. Chem Eng Sci 2021. [DOI: 10.1016/j.ces.2021.116812] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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7
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Stroboscopic operando spectroscopy of the dynamics in heterogeneous catalysis by event-averaging. Nat Commun 2021; 12:6117. [PMID: 34675205 PMCID: PMC8531341 DOI: 10.1038/s41467-021-26372-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 09/29/2021] [Indexed: 11/24/2022] Open
Abstract
Heterogeneous catalyst surfaces are dynamic entities that respond rapidly to changes in their local gas environment, and the dynamics of the response is a decisive factor for the catalysts’ action and activity. Few probes are able to map catalyst structure and local gas environment simultaneously under reaction conditions at the timescales of the dynamic changes. Here we use the CO oxidation reaction and a Pd(100) model catalyst to demonstrate how such studies can be performed by time-resolved ambient pressure photoelectron spectroscopy. Central elements of the method are cyclic gas pulsing and software-based event-averaging by image recognition of spectral features. A key finding is that at 3.2 mbar total pressure a metallic, predominantly CO-covered metallic surface turns highly active for a few seconds once the O2:CO ratio becomes high enough to lift the CO poisoning effect before mass transport limitations triggers formation of a √5 oxide. To follow in situ and in real time how catalyst surfaces respond to gas composition changes is a challenge. This study reports on an eventaveraging method, based on cyclic gas pulsing and software-based image recognition, that overcomes the challenge for large photoelectron spectroscopy datasets.
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8
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Blomberg S, Hejral U, Shipilin M, Albertin S, Karlsson H, Hulteberg C, Lömker P, Goodwin C, Degerman D, Gustafson J, Schlueter C, Nilsson A, Lundgren E, Amann P. Bridging the Pressure Gap in CO Oxidation. ACS Catal 2021; 11:9128-9135. [PMID: 34476111 PMCID: PMC8397290 DOI: 10.1021/acscatal.1c00806] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 06/11/2021] [Indexed: 11/28/2022]
Abstract
Performing fundamental operando catalysis studies under realistic conditions is a key to further develop and increase the efficiency of industrial catalysts. Operando X-ray photoelectron spectroscopy (XPS) experiments have been limited to pressures, and the relevance for industrial applications has been questioned. Herein, we report on the CO oxidation experiment on Pd(100) performed at a total pressure of 1 bar using XPS. We investigate the light-off regime and the surface chemical composition at the atomistic level in the highly active phase. Furthermore, the observed gas-phase photoemission peaks of CO2, CO, and O2 indicate that the kinetics of the reaction during the light-off regime can be followed operando, and by studying the reaction rate of the reaction, the activation energy is calculated. The reaction was preceded by an in situ oxidation study in 7% O2 in He and a total pressure of 70 mbar to confirm the surface sensitivity and assignment of the oxygen-induced photoemission peaks. However, oxygen-induced photoemission peaks were not observed during the reaction studies, but instead, a metallic Pd phase is present in the highly active regime under the conditions applied. The novel XPS setup utilizes hard X-rays to enable high-pressure studies, combined with a grazing incident angle to increase the surface sensitivity of the measurement. Our findings demonstrate the possibilities of achieving chemical information of the catalyst, operando, on an atomistic level, under industrially relevant conditions.
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Affiliation(s)
- Sara Blomberg
- Department of Chemical Engineering, Lund University, Lund 221 00, Sweden
| | - Uta Hejral
- Department of Physics, Lund University, Lund 221 00, Sweden
| | - Mikhail Shipilin
- Department of Physics, AlbaNova University Center, Stockholm University, Stockholm 10691, Sweden
| | | | - Hanna Karlsson
- Department of Chemical Engineering, Lund University, Lund 221 00, Sweden
| | | | - Patrick Lömker
- Photon Science, Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, Hamburg 22607, Germany
| | - Christopher Goodwin
- Department of Physics, AlbaNova University Center, Stockholm University, Stockholm 10691, Sweden
| | - David Degerman
- Department of Physics, AlbaNova University Center, Stockholm University, Stockholm 10691, Sweden
| | | | - Christoph Schlueter
- Photon Science, Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, Hamburg 22607, Germany
| | - Anders Nilsson
- Department of Physics, AlbaNova University Center, Stockholm University, Stockholm 10691, Sweden
| | - Edvin Lundgren
- Department of Physics, Lund University, Lund 221 00, Sweden
| | - Peter Amann
- Department of Physics, AlbaNova University Center, Stockholm University, Stockholm 10691, Sweden
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9
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Goodwin CM, Shipilin M, Albertin S, Hejral U, Lömker P, Wang HY, Blomberg S, Degerman D, Schlueter C, Nilsson A, Lundgren E, Amann P. The Structure of the Active Pd State During Catalytic Carbon Monoxide Oxidization. J Phys Chem Lett 2021; 12:4461-4465. [PMID: 33955763 PMCID: PMC8279738 DOI: 10.1021/acs.jpclett.1c00620] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 04/21/2021] [Indexed: 06/12/2023]
Abstract
Using grazing incidence X-rays and X-ray photoelectron spectroscopy during the mass transfer limited catalytic oxidation of CO, the long-range surface structure of Pd(100) was investigated. Under the reaction conditions of 50:4 O2 to CO, 300 mbar pressure, and temperatures between 200 and 450 °C, the surface structure resulting from oxidation and the subsequent oxide reduction was elucidated. The reduction cycle was halted, and while under reaction conditions, angle-dependent X-ray photoelectron spectroscopy close to the critical angle of Pd and modeling of the data was performed. Two proposed models for the system were compared. The suggestion with the metallic islands formed on top of the oxide island was shown to be consistent with the data.
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Affiliation(s)
| | - Mikhail Shipilin
- Department
of Physics, Stockholm University, 10691 Stockholm, Sweden
| | - Stefano Albertin
- Synchrotron
Radiation Research, Lund University, 22100 Lund, Sweden
| | - Uta Hejral
- Synchrotron
Radiation Research, Lund University, 22100 Lund, Sweden
| | - Patrick Lömker
- Photon
Science, Deutsches Elektronen-Synchrotron
(DESY), 22607 Hamburg, Germany
| | - Hsin-Yi Wang
- Department
of Physics, Stockholm University, 10691 Stockholm, Sweden
| | - Sara Blomberg
- Department
of Chemical Engineering, Lund University, 22100 Lund, Sweden
| | - David Degerman
- Department
of Physics, Stockholm University, 10691 Stockholm, Sweden
| | - Christoph Schlueter
- Photon
Science, Deutsches Elektronen-Synchrotron
(DESY), 22607 Hamburg, Germany
| | - Anders Nilsson
- Department
of Physics, Stockholm University, 10691 Stockholm, Sweden
| | - Edvin Lundgren
- Synchrotron
Radiation Research, Lund University, 22100 Lund, Sweden
| | - Peter Amann
- Department
of Physics, Stockholm University, 10691 Stockholm, Sweden
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10
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Lopez Luna M, Timoshenko J, Kordus D, Rettenmaier C, Chee SW, Hoffman AS, Bare SR, Shaikhutdinov S, Roldan Cuenya B. Role of the Oxide Support on the Structural and Chemical Evolution of Fe Catalysts during the Hydrogenation of CO 2. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01549] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Mauricio Lopez Luna
- Department of Interface Science, Fritz Haber Institute of the Max Planck Society, 14195 Berlin, Germany
| | - Janis Timoshenko
- Department of Interface Science, Fritz Haber Institute of the Max Planck Society, 14195 Berlin, Germany
| | - David Kordus
- Department of Interface Science, Fritz Haber Institute of the Max Planck Society, 14195 Berlin, Germany
| | - Clara Rettenmaier
- Department of Interface Science, Fritz Haber Institute of the Max Planck Society, 14195 Berlin, Germany
| | - See Wee Chee
- Department of Interface Science, Fritz Haber Institute of the Max Planck Society, 14195 Berlin, Germany
| | - Adam S. Hoffman
- SSRL, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
| | - Simon R. Bare
- SSRL, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
| | - Shamil Shaikhutdinov
- Department of Interface Science, Fritz Haber Institute of the Max Planck Society, 14195 Berlin, Germany
| | - Beatriz Roldan Cuenya
- Department of Interface Science, Fritz Haber Institute of the Max Planck Society, 14195 Berlin, Germany
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11
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Pfaff S, Larsson A, Orlov D, Harlow GS, Abbondanza G, Linpé W, Rämisch L, Gericke SM, Zetterberg J, Lundgren E. Operando Reflectance Microscopy on Polycrystalline Surfaces in Thermal Catalysis, Electrocatalysis, and Corrosion. ACS APPLIED MATERIALS & INTERFACES 2021; 13:19530-19540. [PMID: 33870682 PMCID: PMC8288973 DOI: 10.1021/acsami.1c04961] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 04/05/2021] [Indexed: 06/12/2023]
Abstract
We have developed a microscope with a spatial resolution of 5 μm, which can be used to image the two-dimensional surface optical reflectance (2D-SOR) of polycrystalline samples in operando conditions. Within the field of surface science, operando tools that give information about the surface structure or chemistry of a sample under realistic experimental conditions have proven to be very valuable to understand the intrinsic reaction mechanisms in thermal catalysis, electrocatalysis, and corrosion science. To study heterogeneous surfaces in situ, the experimental technique must both have spatial resolution and be able to probe through gas or electrolyte. Traditional electron-based surface science techniques are difficult to use under high gas pressure conditions or in an electrolyte due to the short mean free path of electrons. Since it uses visible light, SOR can easily be used under high gas pressure conditions and in the presence of an electrolyte. In this work, we use SOR in combination with a light microscope to gain information about the surface under realistic experimental conditions. We demonstrate this by studying the different grains of three polycrystalline samples: Pd during CO oxidation, Au in electrocatalysis, and duplex stainless steel in corrosion. Optical light-based techniques such as SOR could prove to be a good alternative or addition to more complicated techniques in improving our understanding of complex polycrystalline surfaces with operando measurements.
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Affiliation(s)
- Sebastian Pfaff
- Combustion
Physics, Lund University, Sölvegatan 14, S-22363 Lund, Sweden
| | - Alfred Larsson
- Division
of Synchrotron Radiation Research, Lund
University, Sölvegatan
14, S-22363 Lund, Sweden
| | - Dmytro Orlov
- Materials
Engineering, Lund University, Ole Römers väg 1, S-22363 Lund, Sweden
| | - Gary S. Harlow
- Department
of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen, Denmark
| | - Giuseppe Abbondanza
- Division
of Synchrotron Radiation Research, Lund
University, Sölvegatan
14, S-22363 Lund, Sweden
| | - Weronica Linpé
- Division
of Synchrotron Radiation Research, Lund
University, Sölvegatan
14, S-22363 Lund, Sweden
| | - Lisa Rämisch
- Combustion
Physics, Lund University, Sölvegatan 14, S-22363 Lund, Sweden
| | - Sabrina M. Gericke
- Combustion
Physics, Lund University, Sölvegatan 14, S-22363 Lund, Sweden
| | - Johan Zetterberg
- Combustion
Physics, Lund University, Sölvegatan 14, S-22363 Lund, Sweden
| | - Edvin Lundgren
- Division
of Synchrotron Radiation Research, Lund
University, Sölvegatan
14, S-22363 Lund, Sweden
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12
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Yoon S, Jo J, Jeon B, Lee J, Cho MG, Oh MH, Jeong B, Shin TJ, Jeong HY, Park JY, Hyeon T, An K. Revealing Charge Transfer at the Interface of Spinel Oxide and Ceria during CO Oxidation. ACS Catal 2021. [DOI: 10.1021/acscatal.0c04091] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Sinmyung Yoon
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Jinwoung Jo
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 08826, Republic of Korea
- School of Chemical and Biological Engineering, and Institute of Chemical Processes, Seoul National University, Seoul 08826, Republic of Korea
| | - Beomjoon Jeon
- Center for Nanomaterials and Chemical Reactions, Institute for Basic Science (IBS), Daejeon 34141, Republic of Korea
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Jihyeon Lee
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Min Gee Cho
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 08826, Republic of Korea
- School of Chemical and Biological Engineering, and Institute of Chemical Processes, Seoul National University, Seoul 08826, Republic of Korea
| | - Myoung Hwan Oh
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 08826, Republic of Korea
- School of Chemical and Biological Engineering, and Institute of Chemical Processes, Seoul National University, Seoul 08826, Republic of Korea
| | - Beomgyun Jeong
- Research Center for Materials Analysis, Korea Basic Science Institute (KBSI), Daejeon 34133, Republic of Korea
| | - Tae Joo Shin
- UNIST Central Research Facilities, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Hu Young Jeong
- UNIST Central Research Facilities, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Jeong Young Park
- Center for Nanomaterials and Chemical Reactions, Institute for Basic Science (IBS), Daejeon 34141, Republic of Korea
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Taeghwan Hyeon
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 08826, Republic of Korea
- School of Chemical and Biological Engineering, and Institute of Chemical Processes, Seoul National University, Seoul 08826, Republic of Korea
| | - Kwangjin An
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
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13
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Han Y, Zhang H, Yu Y, Liu Z. In Situ Characterization of Catalysis and Electrocatalysis Using APXPS. ACS Catal 2021. [DOI: 10.1021/acscatal.0c04251] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yong Han
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
- Center for Transformative Science, ShanghaiTech University, Shanghai 201210, China
| | - Hui Zhang
- State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
| | - Yi Yu
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
- Center for Transformative Science, ShanghaiTech University, Shanghai 201210, China
| | - Zhi Liu
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
- State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
- Center for Transformative Science, ShanghaiTech University, Shanghai 201210, China
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14
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Albinsson D, Boje A, Nilsson S, Tiburski C, Hellman A, Ström H, Langhammer C. Copper catalysis at operando conditions-bridging the gap between single nanoparticle probing and catalyst-bed-averaging. Nat Commun 2020; 11:4832. [PMID: 32973158 PMCID: PMC7518423 DOI: 10.1038/s41467-020-18623-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 08/26/2020] [Indexed: 12/28/2022] Open
Abstract
In catalysis, nanoparticles enable chemical transformations and their structural and chemical fingerprints control activity. To develop understanding of such fingerprints, methods studying catalysts at realistic conditions have proven instrumental. Normally, these methods either probe the catalyst bed with low spatial resolution, thereby averaging out single particle characteristics, or probe an extremely small fraction only, thereby effectively ignoring most of the catalyst. Here, we bridge the gap between these two extremes by introducing highly multiplexed single particle plasmonic nanoimaging of model catalyst beds comprising 1000 nanoparticles, which are integrated in a nanoreactor platform that enables online mass spectroscopy activity measurements. Using the example of CO oxidation over Cu, we reveal how highly local spatial variations in catalyst state dynamics are responsible for contradicting information about catalyst active phase found in the literature, and identify that both surface and bulk oxidation state of a Cu nanoparticle catalyst dynamically mediate its activity.
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Affiliation(s)
- David Albinsson
- Department of Physics, Chalmers University of Technology, 412 96, Göteborg, Sweden
| | - Astrid Boje
- Department of Physics, Chalmers University of Technology, 412 96, Göteborg, Sweden
| | - Sara Nilsson
- Department of Physics, Chalmers University of Technology, 412 96, Göteborg, Sweden
| | - Christopher Tiburski
- Department of Physics, Chalmers University of Technology, 412 96, Göteborg, Sweden
| | - Anders Hellman
- Department of Physics, Chalmers University of Technology, 412 96, Göteborg, Sweden
- Competence Centre for Catalysis, Chalmers University of Technology, 412 96, Göteborg, Sweden
| | - Henrik Ström
- Department of Mechanics and Maritime Sciences, Chalmers University of Technology, 412 96, Göteborg, Sweden
| | - Christoph Langhammer
- Department of Physics, Chalmers University of Technology, 412 96, Göteborg, Sweden.
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15
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Ceria-Based Catalysts Studied by Near Ambient Pressure X-ray Photoelectron Spectroscopy: A Review. Catalysts 2020. [DOI: 10.3390/catal10030286] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
The development of better catalysts is a passionate topic at the forefront of modern science, where operando techniques are necessary to identify the nature of the active sites. The surface of a solid catalyst is dynamic and dependent on the reaction environment and, therefore, the catalytic active sites may only be formed under specific reaction conditions and may not be stable either in air or under high vacuum conditions. The identification of the active sites and the understanding of their behaviour are essential information towards a rational catalyst design. One of the most powerful operando techniques for the study of active sites is near ambient pressure X-ray photoelectron spectroscopy (NAP-XPS), which is particularly sensitive to the surface and sub-surface of solids. Here we review the use of NAP-XPS for the study of ceria-based catalysts, widely used in a large number of industrial processes due to their excellent oxygen storage capacity and well-established redox properties.
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Inverse temperature hysteresis and self-sustained oscillations in CO oxidation over Pd at elevated pressures of reaction mixture: Experiment and mathematical modeling. Chem Eng Sci 2020. [DOI: 10.1016/j.ces.2019.115312] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Lashina EA, Slavinskaya EM, Chumakova NA, Chumakov GA, Boronin AI. Self‐sustained oscillations within the temperature hysteresis in CO oxidation over Pd: Mathematical model of a cascade of continuous stirred‐tank reactors. INT J CHEM KINET 2019. [DOI: 10.1002/kin.21320] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Elena A. Lashina
- Boreskov Institute of Catalysis Novosibirsk Russian Federation
- Novosibirsk State University Novosibirsk Russian Federation
| | - Elena M. Slavinskaya
- Boreskov Institute of Catalysis Novosibirsk Russian Federation
- Novosibirsk State University Novosibirsk Russian Federation
| | - Nataliya A. Chumakova
- Boreskov Institute of Catalysis Novosibirsk Russian Federation
- Novosibirsk State University Novosibirsk Russian Federation
| | - Gennadii A. Chumakov
- Sobolev Institute of Mathematics Novosibirsk Russian Federation
- Novosibirsk State University Novosibirsk Russian Federation
| | - Andrei I. Boronin
- Boreskov Institute of Catalysis Novosibirsk Russian Federation
- Novosibirsk State University Novosibirsk Russian Federation
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19
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Combining Planar Laser-Induced Fluorescence with Stagnation Point Flows for Small Single-Crystal Model Catalysts: CO Oxidation on a Pd(100). Catalysts 2019. [DOI: 10.3390/catal9050484] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
A stagnation flow reactor has been designed and characterized for both experimental and modeling studies of single-crystal model catalysts in heterogeneous catalysis. Using CO oxidation over a Pd(100) single crystal as a showcase, we have employed planar laser-induced fluorescence (PLIF) to visualize the CO2 distribution over the catalyst under reaction conditions and subsequently used the 2D spatially resolved gas phase data to characterize the stagnation flow reactor. From a comparison of the experimental data and the stagnation flow model, it was found that characteristic stagnation flow can be achieved with the reactor. Furthermore, the combined stagnation flow/PLIF/modeling approach makes it possible to estimate the turnover frequency (TOF) of the catalytic surface from the measured CO2 concentration profiles above the surface and to predict the CO2, CO and O2 concentrations at the surface under reaction conditions.
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Watts KE, Blackburn TJ, Pemberton JE. Optical Spectroscopy of Surfaces, Interfaces, and Thin Films: A Status Report. Anal Chem 2019; 91:4235-4265. [PMID: 30790520 DOI: 10.1021/acs.analchem.9b00735] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Kristen E Watts
- Department of Chemistry and Biochemistry University of Arizona 1306 East University Boulevard , Tucson , Arizona 85721 , United States
| | - Thomas J Blackburn
- Department of Chemistry and Biochemistry University of Arizona 1306 East University Boulevard , Tucson , Arizona 85721 , United States
| | - Jeanne E Pemberton
- Department of Chemistry and Biochemistry University of Arizona 1306 East University Boulevard , Tucson , Arizona 85721 , United States
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Pfaff S, Zhou J, Hejral U, Gustafson J, Shipilin M, Albertin S, Blomberg S, Gutowski O, Dippel A, Lundgren E, Zetterberg J. Combining high-energy X-ray diffraction with Surface Optical Reflectance and Planar Laser Induced Fluorescence for operando catalyst surface characterization. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2019; 90:033703. [PMID: 30927778 DOI: 10.1063/1.5086925] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2018] [Accepted: 02/17/2019] [Indexed: 06/09/2023]
Abstract
We have combined three techniques, High Energy Surface X-Ray Diffraction (HESXRD), Surface Optical Reflectance, and Planar Laser Induced Fluorescence in an operando study of CO oxidation over a Pd(100) catalyst. We show that these techniques provide useful new insights such as the ability to verify that the finite region being probed by techniques such as HESXRD is representative of the sample surface as a whole. The combination is also suitable to determine when changes in gas composition or surface structure and/or morphology occur and to subsequently correlate them with high temporal resolution. In the study, we confirm previous results which show that the Pd(100) surface reaches high activity before an oxide can be detected. Furthermore, we show that the single crystal catalyst surface does not behave homogeneously, which we attribute to the surface being exposed to inhomogeneous gas conditions in mass transfer limited scenarios.
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Affiliation(s)
- S Pfaff
- Combustion Physics, Lund University, P.O. Box 118, Lund 22100, Sweden
| | - J Zhou
- Combustion Physics, Lund University, P.O. Box 118, Lund 22100, Sweden
| | - U Hejral
- Synchrotron Radiation Research, Lund University, P.O. Box 118, Lund 22100, Sweden
| | - J Gustafson
- Synchrotron Radiation Research, Lund University, P.O. Box 118, Lund 22100, Sweden
| | - M Shipilin
- Department of Physics, AlbaNova University Center, Stockholm University, 10691 Stockholm, Sweden
| | - S Albertin
- Synchrotron Radiation Research, Lund University, P.O. Box 118, Lund 22100, Sweden
| | - S Blomberg
- Synchrotron Radiation Research, Lund University, P.O. Box 118, Lund 22100, Sweden
| | - O Gutowski
- Photon Science, DESY, Notkestrasse 85, Hamburg 22607, Germany
| | - A Dippel
- Photon Science, DESY, Notkestrasse 85, Hamburg 22607, Germany
| | - E Lundgren
- Synchrotron Radiation Research, Lund University, P.O. Box 118, Lund 22100, Sweden
| | - J Zetterberg
- Combustion Physics, Lund University, P.O. Box 118, Lund 22100, Sweden
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22
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Blomberg S, Zetterberg J, Gustafson J, Zhou J, Shipilin M, Pfaff S, Hejral U, Carlsson PA, Gutowski O, Bertram F, Lundgren E. Combining synchrotron light with laser technology in catalysis research. JOURNAL OF SYNCHROTRON RADIATION 2018; 25:1389-1394. [PMID: 30179177 PMCID: PMC6140392 DOI: 10.1107/s1600577518010597] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Accepted: 07/23/2018] [Indexed: 06/08/2023]
Abstract
High-energy surface X-ray diffraction (HESXRD) provides surface structural information with high temporal resolution, facilitating the understanding of the surface dynamics and structure of the active phase of catalytic surfaces. The surface structure detected during the reaction is sensitive to the composition of the gas phase close to the catalyst surface, and the catalytic activity of the sample itself may affect the surface structure, which in turn may complicate the assignment of the active phase. For this reason, planar laser-induced fluorescence (PLIF) and HESXRD have been combined during the oxidation of CO over a Pd(100) crystal. PLIF complements the structural studies with an instantaneous two-dimensional image of the CO2 gas phase in the vicinity of the active model catalyst. Here the combined HESXRD and PLIF operando measurements of CO oxidation over Pd(100) are presented, allowing for an improved assignment of the correlation between sample structure and the CO2 distribution above the sample surface with sub-second time resolution.
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Affiliation(s)
- Sara Blomberg
- Synchrotron Radiation Research, Lund University, Box 118, Lund 22100, Sweden
| | - Johan Zetterberg
- Combustion Physics, Lund University, Box 118, Lund 22100, Sweden
| | - Johan Gustafson
- Synchrotron Radiation Research, Lund University, Box 118, Lund 22100, Sweden
| | - Jianfeng Zhou
- Combustion Physics, Lund University, Box 118, Lund 22100, Sweden
| | - Mikhail Shipilin
- Synchrotron Radiation Research, Lund University, Box 118, Lund 22100, Sweden
| | - Sebastian Pfaff
- Combustion Physics, Lund University, Box 118, Lund 22100, Sweden
| | - Uta Hejral
- Synchrotron Radiation Research, Lund University, Box 118, Lund 22100, Sweden
| | - Per-Anders Carlsson
- Competence Centre for Catalysis, Chalmers University of Technology, Gothenburg 41296, Sweden
| | - Olof Gutowski
- Photon Science, DESY, Notkestrasse 85, Hamburg 22607, Germany
| | - Florian Bertram
- Photon Science, DESY, Notkestrasse 85, Hamburg 22607, Germany
| | - Edvin Lundgren
- Synchrotron Radiation Research, Lund University, Box 118, Lund 22100, Sweden
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Mehar V, Kim M, Shipilin M, Van den Bossche M, Gustafson J, Merte LR, Hejral U, Grönbeck H, Lundgren E, Asthagiri A, Weaver JF. Understanding the Intrinsic Surface Reactivity of Single-Layer and Multilayer PdO(101) on Pd(100). ACS Catal 2018. [DOI: 10.1021/acscatal.8b02191] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Vikram Mehar
- Department of Chemical Engineering, University of Florida, Gainesville, Florida 32611, United States
| | - Minkyu Kim
- William G. Lowrie Chemical & Biomolecular Engineering, The Ohio State University, Columbus, Ohio 43210, United States
| | - Mikhail Shipilin
- Division of Synchrotron Radiation Research, Lund University, SE-22100 Lund, Sweden
| | - Maxime Van den Bossche
- Department of Physics and Competence Centre for Catalysis, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden
| | - Johan Gustafson
- Division of Synchrotron Radiation Research, Lund University, SE-22100 Lund, Sweden
| | - Lindsay R. Merte
- Materials Science and Applied Mathematics, Malmö University, SE-205 06 Malmö, Sweden
| | - Uta Hejral
- Division of Synchrotron Radiation Research, Lund University, SE-22100 Lund, Sweden
| | - Henrik Grönbeck
- Department of Physics and Competence Centre for Catalysis, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden
| | - Edvin Lundgren
- Division of Synchrotron Radiation Research, Lund University, SE-22100 Lund, Sweden
| | - Aravind Asthagiri
- William G. Lowrie Chemical & Biomolecular Engineering, The Ohio State University, Columbus, Ohio 43210, United States
| | - Jason F. Weaver
- Department of Chemical Engineering, University of Florida, Gainesville, Florida 32611, United States
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24
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Zhou X, Mannie GJA, Yin J, Yu X, Weststrate CJ, Wen X, Wu K, Yang Y, Li Y, Niemantsverdriet JW. Iron Carbidization on Thin-Film Silica and Silicon: A Near-Ambient-Pressure X-ray Photoelectron Spectroscopy and Scanning Tunneling Microscopy Study. ACS Catal 2018. [DOI: 10.1021/acscatal.8b02076] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xiong Zhou
- SynCat@Beijing, Synfuels China Technology Co. Ltd., Leyuan South Street II, No. 1,
Huairou District, 101407 Beijing, China
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
| | - Gilbère J. A. Mannie
- SynCat@Beijing, Synfuels China Technology Co. Ltd., Leyuan South Street II, No. 1,
Huairou District, 101407 Beijing, China
| | - Junqing Yin
- SynCat@Beijing, Synfuels China Technology Co. Ltd., Leyuan South Street II, No. 1,
Huairou District, 101407 Beijing, China
| | - Xin Yu
- SynCat@Beijing, Synfuels China Technology Co. Ltd., Leyuan South Street II, No. 1,
Huairou District, 101407 Beijing, China
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
| | - C. J. Weststrate
- SynCat@DIFFER, Syngaschem BV, P.O. Box 6336, 5600 HH Eindhoven, The Netherlands
| | - Xiaodong Wen
- SynCat@Beijing, Synfuels China Technology Co. Ltd., Leyuan South Street II, No. 1,
Huairou District, 101407 Beijing, China
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
| | - Kai Wu
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Yong Yang
- SynCat@Beijing, Synfuels China Technology Co. Ltd., Leyuan South Street II, No. 1,
Huairou District, 101407 Beijing, China
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
| | - Yongwang Li
- SynCat@Beijing, Synfuels China Technology Co. Ltd., Leyuan South Street II, No. 1,
Huairou District, 101407 Beijing, China
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
| | - J. W. Niemantsverdriet
- SynCat@Beijing, Synfuels China Technology Co. Ltd., Leyuan South Street II, No. 1,
Huairou District, 101407 Beijing, China
- SynCat@DIFFER, Syngaschem BV, P.O. Box 6336, 5600 HH Eindhoven, The Netherlands
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