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Wang A, Ding J, Li M, Song P, Zhao Z, Guo Y, Guo Y, Wang L, Dai Q, Zhan W. Robust Ru/Ce@Co Catalyst with an Optimized Support Structure for Propane Oxidation. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024. [PMID: 38959431 DOI: 10.1021/acs.est.4c03449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/05/2024]
Abstract
Short carbon chain alkanes, as typical volatile organic compounds (VOCs), have molecular structural stability and low molecular polarity, leading to an enormous challenge in the catalytic oxidation of propane. Although Ru-based catalysts exhibit a surprisingly high activity for the catalytic oxidation of propane to CO2 and H2O, active RuOx species are partially oxidized and sintered during the oxidation reaction, leading to a decrease in catalytic activity and significantly inhibiting their application in industrial processes. Herein, the Ru/Ce@Co catalyst is synthesized with a specific structure, in which cerium dioxide is dispersed in a thin layer on the surface of Co3O4, and Ru nanoparticles fall preferentially on cerium oxide with high dispersity. Compared with the Ru/CeO2 and Ru/Co3O4 catalysts, the Ru/Ce@Co catalyst demonstrates excellent catalytic activity and stability for the oxidation of propane, even under severe operating conditions, such as recycling reaction, high space velocity, a certain degree of moisture, and high temperature. Benefiting from this particular structure, the Ru/Ce@Co (5:95) catalyst with more Ce3+ species leads to the Ru species being anchored more firmly on the CeO2 surface with a low-valent state and has a strong potential for adsorption and activation of propane and oxygen, which is beneficial for RuOx species with high activity and stability. This work provides a novel strategy for designing high-efficiency Ru-based catalysts for the catalytic combustion of short carbon alkanes.
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Affiliation(s)
- Aiyong Wang
- State Key Laboratory of Green Chemical Engineering and Industrial Catalysis, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Jiajia Ding
- State Key Laboratory of Green Chemical Engineering and Industrial Catalysis, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Mingqi Li
- State Key Laboratory of Green Chemical Engineering and Industrial Catalysis, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Peiyao Song
- State Key Laboratory of Green Chemical Engineering and Industrial Catalysis, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Zhiyuan Zhao
- State Key Laboratory of Green Chemical Engineering and Industrial Catalysis, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Yanglong Guo
- State Key Laboratory of Green Chemical Engineering and Industrial Catalysis, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Yun Guo
- State Key Laboratory of Green Chemical Engineering and Industrial Catalysis, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Li Wang
- State Key Laboratory of Green Chemical Engineering and Industrial Catalysis, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Qiguang Dai
- State Key Laboratory of Green Chemical Engineering and Industrial Catalysis, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Wangcheng Zhan
- State Key Laboratory of Green Chemical Engineering and Industrial Catalysis, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
- Frontiers Science Center for Materiobiology and Dynamic Chemistry, East China University of Science and Technology, Shanghai 200237, P. R. China
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2
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Lucentini I, Serrano I, Garcia X, Manjón AG, Hu X, Arbiol J, Pascua-Solé L, Prat J, Villalobos-Portillo EE, Marini C, Escudero C, Llorca J. Ni-Ru supported on CeO 2 obtained by mechanochemical milling for catalytic hydrogen production from ammonia. iScience 2024; 27:110028. [PMID: 38868207 PMCID: PMC11167440 DOI: 10.1016/j.isci.2024.110028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 03/12/2024] [Accepted: 05/16/2024] [Indexed: 06/14/2024] Open
Abstract
Developing active and stable catalysts for carbon-free hydrogen production is crucial to mitigate the effects of climate change. Ammonia is a promising carbon-free hydrogen source, as it has a high hydrogen content and is liquid at low pressure, which allows its easy storage and transportation. We have recently developed a nickel-based catalyst with a small content of ruthenium supported on cerium oxide, which exhibits high activity and stability in ammonia decomposition. Here, we investigate mechanochemical milling for its synthesis, a faster and less energy-consuming technique than conventional ones. Results indicate that mechanochemical synthesis increases catalytic activity compared to the conventional incipient wetness impregnation method. The interaction between the metal precursors and the support is key in fine-tuning catalytic activity, which increases linearly with oxygen vacancies in the support. Moreover, the mechanochemical method modifies the oxidation state of Ni and Ru species, with a variation depending on the precursors.
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Affiliation(s)
- Ilaria Lucentini
- Institute of Energy Technologies, Department of Chemical Engineering and Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, EEBE, Eduard Maristany 10-14, 08019 Barcelona, Spain
- ALBA Synchrotron Light Source, Carrer de la Llum 2-26, 08290 Cerdanyola del Valles, Barcelona, Spain
| | - Isabel Serrano
- Institute of Energy Technologies, Department of Chemical Engineering and Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, EEBE, Eduard Maristany 10-14, 08019 Barcelona, Spain
| | - Xènia Garcia
- Institute of Energy Technologies, Department of Chemical Engineering and Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, EEBE, Eduard Maristany 10-14, 08019 Barcelona, Spain
| | - Alba Garzón Manjón
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST, Campus UAB, Bellaterra, 08193 Barcelona, Catalonia, Spain
| | - Xinxin Hu
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST, Campus UAB, Bellaterra, 08193 Barcelona, Catalonia, Spain
| | - Jordi Arbiol
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST, Campus UAB, Bellaterra, 08193 Barcelona, Catalonia, Spain
- ICREA, Pg. Lluís Companys 23, 08010 Barcelona, Catalonia, Spain
| | - Laia Pascua-Solé
- Institute of Energy Technologies, Department of Chemical Engineering and Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, EEBE, Eduard Maristany 10-14, 08019 Barcelona, Spain
| | - Jordi Prat
- ALBA Synchrotron Light Source, Carrer de la Llum 2-26, 08290 Cerdanyola del Valles, Barcelona, Spain
| | | | - Carlo Marini
- ALBA Synchrotron Light Source, Carrer de la Llum 2-26, 08290 Cerdanyola del Valles, Barcelona, Spain
| | - Carlos Escudero
- ALBA Synchrotron Light Source, Carrer de la Llum 2-26, 08290 Cerdanyola del Valles, Barcelona, Spain
| | - Jordi Llorca
- Institute of Energy Technologies, Department of Chemical Engineering and Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, EEBE, Eduard Maristany 10-14, 08019 Barcelona, Spain
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Wang J, Su J, Zhao G, Liu D, Yuan H, Kuvarega AT, Mamba BB, Li H, Gui J. A facile method for preparing the CeMnO 3 catalyst with high activity and stability of toluene oxidation: The critical role of small crystal size and Mn 3+-O v-Ce 4+ sites. JOURNAL OF HAZARDOUS MATERIALS 2024; 470:134114. [PMID: 38547755 DOI: 10.1016/j.jhazmat.2024.134114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Revised: 03/20/2024] [Accepted: 03/22/2024] [Indexed: 04/25/2024]
Abstract
Volatile organic compounds (VOCs) cause severe environmental pollution and are potentially toxic to humans who have no defense against exposure. Catalytic oxidation of these compounds has thus become an interesting research topic. In this study, microcrystalline CeMnO3 catalysts were prepared by a precipitant-concentration-induced strategy and evaluated for the catalytic oxidation of toluene/benzene. The effect of crystal size on catalytic performance was confirmed by XRD, TEM, N2 adsorption-desorption, XPS, Raman, H2-TPR, and TPSR. The CeMnO3 catalyst with more Mn3+-Ov-Ce4+ active sites exhibited enhanced VOCs catalytic oxidation performance, lowest active energy, and highest turnover frequency, which was attributed to its larger surface area, lower crystal size, higher low-temperature reducibility, and presence of more oxygen defects. In-situ FTIR results suggested more oxygen vacancies can profoundly promote the conversion of benzoate to maleate species, the rate-determining step of toluene oxidation. The work provides a convenient and efficient strategy to prepare single-metal or multi-metal oxide catalysts with smaller crystal sizes for VOC oxidation or other oxidation reactions.
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Affiliation(s)
- Jianshen Wang
- State Key Laboratory of Separation Membranes and Membrane Processes, Tianjin Key Laboratory of Green Chemical Technology and Process Engineering, and School of Material Science and Engineering, Tiangong University, Tianjin 300387, China
| | - Junming Su
- School of Chemical Engineering and Technology, Tiangong University, Tianjin 300387, China
| | - Gangguo Zhao
- State Key Laboratory of Separation Membranes and Membrane Processes, Tianjin Key Laboratory of Green Chemical Technology and Process Engineering, and School of Material Science and Engineering, Tiangong University, Tianjin 300387, China
| | - Dan Liu
- School of Chemistry, Tiangong University, Tianjin 300387, China; Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida 1709, Johannesburg, South Africa.
| | - Hua Yuan
- Ningxia Coal Industry Co. Ltd., CHN ENERGY, Yinchuan 750011, China
| | - Alex T Kuvarega
- Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida 1709, Johannesburg, South Africa
| | - Bhekie B Mamba
- Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida 1709, Johannesburg, South Africa
| | - Hu Li
- Ningxia Coal Industry Co. Ltd., CHN ENERGY, Yinchuan 750011, China.
| | - Jianzhou Gui
- State Key Laboratory of Separation Membranes and Membrane Processes, Tianjin Key Laboratory of Green Chemical Technology and Process Engineering, and School of Material Science and Engineering, Tiangong University, Tianjin 300387, China; School of Chemical Engineering and Technology, Tiangong University, Tianjin 300387, China.
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Wang H, Cui G, Lu H, Li Z, Wang L, Meng H, Li J, Yan H, Yang Y, Wei M. Facilitating the dry reforming of methane with interfacial synergistic catalysis in an Ir@CeO 2-x catalyst. Nat Commun 2024; 15:3765. [PMID: 38704402 PMCID: PMC11069590 DOI: 10.1038/s41467-024-48122-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 04/19/2024] [Indexed: 05/06/2024] Open
Abstract
The dry reforming of methane provides an attractive route to convert greenhouse gases (CH4 and CO2) into valuable syngas, so as to resolve the carbon cycle and environmental issues. However, the development of high-performance catalysts remains a huge challenge. Herein, we report a 0.6% Ir/CeO2-x catalyst with a metal-support interface structure which exhibits high CH4 (~72%) and CO2 (~82%) conversion and a CH4 reaction rate of ~973 μmolCH4 gcat-1 s-1 which is stable over 100 h at 700 °C. The performance of the catalyst is close to the state-of-the-art in this area of research. A combination of in situ spectroscopic characterization and theoretical calculations highlight the importance of the interfacial structure as an intrinsic active center to facilitate the CH4 dissociation (the rate-determining step) and the CH2* oxidation to CH2O* without coke formation, which accounts for the long-term stability. The catalyst in this work has a potential application prospect in the field of high-value utilization of carbon resources.
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Affiliation(s)
- Hui Wang
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, 100029, Beijing, P. R. China
| | - Guoqing Cui
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (Beijing), 102249, Beijing, P. R. China.
| | - Hao Lu
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, 100029, Beijing, P. R. China
| | - Zeyang Li
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, 100029, Beijing, P. R. China
| | - Lei Wang
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, 100029, Beijing, P. R. China
- Quzhou Institute for Innovation in Resource Chemical Engineering, 324000, Quzhou, P. R. China
| | - Hao Meng
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, 100029, Beijing, P. R. China
- Quzhou Institute for Innovation in Resource Chemical Engineering, 324000, Quzhou, P. R. China
| | - Jiong Li
- Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, 201204, Shanghai, P. R. China
| | - Hong Yan
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, 100029, Beijing, P. R. China
| | - Yusen Yang
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, 100029, Beijing, P. R. China.
- Quzhou Institute for Innovation in Resource Chemical Engineering, 324000, Quzhou, P. R. China.
| | - Min Wei
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, 100029, Beijing, P. R. China.
- Quzhou Institute for Innovation in Resource Chemical Engineering, 324000, Quzhou, P. R. China.
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5
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Zakiyyah SN, Irkham, Einaga Y, Gultom NS, Fauzia RP, Kadja GTM, Gaffar S, Ozsoz M, Hartati YW. Green Synthesis of Ceria Nanoparticles from Cassava Tubers for Electrochemical Aptasensor Detection of SARS-CoV-2 on a Screen-Printed Carbon Electrode. ACS APPLIED BIO MATERIALS 2024; 7:2488-2498. [PMID: 38577953 DOI: 10.1021/acsabm.4c00088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/06/2024]
Abstract
Green synthesis approaches for making nanosized ceria using starch from cassava as template molecules to control the particle size are reported. The results of the green synthesis of ceria with an optimum calcination temperature of 800 °C shows a size distribution of each particle of less than 30 nm with an average size of 9.68 nm, while the ratio of Ce3+ to Ce4+ was 25.6%. The green-synthesized nanoceria are applied to increase the sensitivity and attach biomolecules to the electrode surface of the electrochemical aptasensor system for coronavirus disease (COVID-19). The response of the aptasensor to the receptor binding domain of the virus was determined with the potassium ferricyanide redox system. The screen-printed carbon electrode that has been modified with green-synthesized nanoceria shows 1.43 times higher conductivity than the bare electrode, while those modified with commercial ceria increase only 1.18 times. Using an optimized parameter for preparing the aptasensors, the detection and quantification limits were 1.94 and 5.87 ng·mL-1, and the accuracy and precision values were 98.5 and 89.1%. These results show that green-synthesized ceria could be a promising approach for fabricating an electrochemical aptasensor.
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Affiliation(s)
- Salma Nur Zakiyyah
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Padjadjaran University, Jl. Raya Bandung-Sumedang Km 21, Jatinangor, Sumedang, West Java 45363, Indonesia
| | - Irkham
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Padjadjaran University, Jl. Raya Bandung-Sumedang Km 21, Jatinangor, Sumedang, West Java 45363, Indonesia
| | - Yasuaki Einaga
- Department of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama, 223-8522, Japan
| | - Noto Susanto Gultom
- Department of Physics, Faculty of Mathematics and Natural Sciences, Padjadjaran University, Jl. Raya Bandung-Sumedang Km 21, Jatinangor, Sumedang, West Java 45363, Indonesia
| | - Retna Putri Fauzia
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Padjadjaran University, Jl. Raya Bandung-Sumedang Km 21, Jatinangor, Sumedang, West Java 45363, Indonesia
| | - Grandprix Thomreys Marth Kadja
- Division of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jl. Ganesha no. 10, Bandung 40132, Indonesia
- Research Center for Nanosciences and Nanotechnology, Institut Teknologi Bandung, Jl. Ganesha no. 10, Bandung 40132, Indonesia
| | - Shabarni Gaffar
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Padjadjaran University, Jl. Raya Bandung-Sumedang Km 21, Jatinangor, Sumedang, West Java 45363, Indonesia
| | - Mehmet Ozsoz
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Padjadjaran University, Jl. Raya Bandung-Sumedang Km 21, Jatinangor, Sumedang, West Java 45363, Indonesia
- Department of Biomedical Engineering, Near East University, Mersin 99138, Turkey
| | - Yeni Wahyuni Hartati
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Padjadjaran University, Jl. Raya Bandung-Sumedang Km 21, Jatinangor, Sumedang, West Java 45363, Indonesia
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Ahasan MR, Wang R. CeO 2 nanorods supported CuO x-RuO x bimetallic catalysts for low temperature CO oxidation. J Colloid Interface Sci 2024; 654:1378-1392. [PMID: 37918097 DOI: 10.1016/j.jcis.2023.10.113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 09/30/2023] [Accepted: 10/21/2023] [Indexed: 11/04/2023]
Abstract
Bimetallic catalysts often outperform monometallic catalysts due to changeable structural orientation, synergistic effects, and integration of two different metal or metal oxide properties. Here, a series of CeO2 nanorods (NR) supported bimetallic CuOx and RuOx catalysts (Cu: Ru ratios of 9:1, 7:3, and 5:5) were prepared using a wet impregnation method. In situ DRIFTS, H2 temperature programmed reduction (H2-TPR), CO temperature programmed desorption (CO-TPD), and other characterization techniques were used to investigate the effect of the Cu:Ru ratio on the activity of low-temperature CO oxidation. Among three catalysts, CeO2 NR supported 7 wt% Cu-3 wt% Ru catalyst after a reduction activation treatment showed the best performance with 100 % CO conversion at 166 °C and the lowest activation energy of 18.37 kJ mol-1. Raman and XPS profiles revealed that the origin of the superior performance is at least partially related to the high surface oxygen vacancy concentration and other distinct oxygen species (physi-/chemi-sorbed oxygen and bulk lattice oxygen), leading to outstanding adsorption and oxidation property of CO.
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Affiliation(s)
- Md Robayet Ahasan
- Department of Metallurgical and Materials Engineering, The University of Alabama, Tuscaloosa, AL 35487, United States
| | - Ruigang Wang
- Department of Metallurgical and Materials Engineering, The University of Alabama, Tuscaloosa, AL 35487, United States.
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Chen X, Shi D, Bi M, Song J, Qin Y, Du S, Sun B, Chen C, Sun D. Constructing built-in electric field via ruthenium/cerium dioxide Mott-Schottky heterojunction for highly efficient electrocatalytic hydrogen production. J Colloid Interface Sci 2023; 652:653-662. [PMID: 37543477 DOI: 10.1016/j.jcis.2023.07.203] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 07/27/2023] [Accepted: 07/31/2023] [Indexed: 08/07/2023]
Abstract
Ensuring the consumption rate of noble metals while guaranteeing satisfactory hydrogen evolution reaction (HER) performance at different pH values is imperative to the development of Ru-based catalysts. Herein, we design a Mott-Schottky electrocatalyst (Ru/CeO2) with a built-in electric field (BEF) based on density functional theory (DFT). The Ru/CeO2 achieves the criterion current density of 10 mA cm-2 at overpotentials of 55 mV, 80 mV, and 120 mV in alkaline, acidic and neutral media, respectively. Both theoretical calculations and experimental analysis confirm that the improved HER activity in the Ru/CeO2 catalyst could be due to the successful construction of BEF at the interface between the prepared Ru clusters and CeO2. Under the action of BEF, the electron-deficient Ru atoms can optimize the adsorption energy of H* and H2O and thus promote HER kinetics. Furthermore, the Ru/CeO2 catalyst delivers a power density of approximately 94.5 mW cm-2 in alkaline-acidic Zn-H2O cell applications while maintaining good H2 production stability. In this work, we optimize the electrocatalytic performance of the Ru/CeO2 catalyst through examination of the interfacial BEF electrical charge, which combines hydrogen production with power generation and provides a promising method for sustainable energy conversion.
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Affiliation(s)
- Xinyu Chen
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, 200 Xiao Ling Wei Street, Nanjing 210094, China
| | - Diwei Shi
- School of Naval Architecture and Maritime, Zhejiang Ocean University, Zhoushan 316022, China
| | - Min Bi
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, 200 Xiao Ling Wei Street, Nanjing 210094, China
| | - Jiexi Song
- School of Physical Science and Technology, Northwestern Polytechnical University, Xian 710072, China
| | - Yanqing Qin
- School of Physical Science and Technology, Northwestern Polytechnical University, Xian 710072, China
| | - Shiyu Du
- Engineering Laboratory of Nuclear Energy Materials, Ningbo Institute of Industrial Technology, Chinese Academy Sciences, Ningbo 315201, China
| | - Bianjing Sun
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, 200 Xiao Ling Wei Street, Nanjing 210094, China.
| | - Chuntao Chen
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, 200 Xiao Ling Wei Street, Nanjing 210094, China.
| | - Dongping Sun
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, 200 Xiao Ling Wei Street, Nanjing 210094, China.
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8
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Sun X, Yang S, Liu X, Qiao Y, Liu Z, Li X, Pan J, Liu H, Wang L. The enhancement of benzene total oxidation over Ru xCeO 2 catalysts at low temperature: The significance of Ru incorporation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 902:165574. [PMID: 37474046 DOI: 10.1016/j.scitotenv.2023.165574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 07/06/2023] [Accepted: 07/14/2023] [Indexed: 07/22/2023]
Abstract
Catalytic oxidation is considered to be the most efficient technology for eliminating benzene from waste gas. The challenge is the reduction of the catalytic reaction temperature for the deep oxidation of benzene. Here, highly efficient RuxCeO2 catalysts were utilized to turn the number of surface oxygen vacancies and Ce-O-Ru bonds via a one-step hydrothermal method, resulting in a preferable low-temperature reducibility for the total oxidation of benzene. The T50 of the Ru0.2CeO2 catalyst for benzene oxidation was 135 °C, which was better than that of pristine CeO2 (239 °C) and 0.2Ru/CeO2 (190 °C). The superior performance of Ru0.2CeO2 was attributed to its large surface area (approximately 114.23 m2·g-1), abundant surface oxygen vacancies, and Ce-O-Ru bonds. The incorporation of Ru into the CeO2 lattice could effectively facilitate the destruction of the CeO bond and the facile release of lattice oxygen, inducing the generation of surface oxygen vacancies. Meanwhile, the bridging action of Ce-O-Ru bonds accelerated electron transfer and lattice oxygen transportation, which had a synergistic effect with surface oxygen vacancies to reduce the reaction temperature. The Ru0.2CeO2 catalyst also exhibited high catalytic stability, water tolerance, and impact resistance in terms of benzene abatement. Using in situ infrared spectroscopy, it was demonstrated that the Ru0.2CeO2 catalyst can effectively enhance the accumulation of maleate species, which are key intermediates for benzene ring opening, thereby enhancing the deep oxidation of benzene.
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Affiliation(s)
- Xiaoxia Sun
- Key Laboratory of Eco-chemical Engineering, Taishan Scholar Advantage and Characteristic Discipline Team of Eco-chemical Process and Technology, Qingdao University of Science and Technology, Qingdao 266042, PR China; College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China
| | - Shu Yang
- Key Laboratory of Eco-chemical Engineering, Taishan Scholar Advantage and Characteristic Discipline Team of Eco-chemical Process and Technology, Qingdao University of Science and Technology, Qingdao 266042, PR China; College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China.
| | - Xin Liu
- Institute of Green Chemistry and Chemical Technology, School of Chemistry & Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Yarui Qiao
- Key Laboratory of Eco-chemical Engineering, Taishan Scholar Advantage and Characteristic Discipline Team of Eco-chemical Process and Technology, Qingdao University of Science and Technology, Qingdao 266042, PR China; College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China
| | - Zhilou Liu
- School of Metallurgical Engineering, JiangXi University of Science and Technology, Ganzhou 341000, PR China
| | - Xinxin Li
- Key Laboratory of Eco-chemical Engineering, Taishan Scholar Advantage and Characteristic Discipline Team of Eco-chemical Process and Technology, Qingdao University of Science and Technology, Qingdao 266042, PR China; College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China
| | - Jingwen Pan
- Key Laboratory of Eco-chemical Engineering, Taishan Scholar Advantage and Characteristic Discipline Team of Eco-chemical Process and Technology, Qingdao University of Science and Technology, Qingdao 266042, PR China; College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China
| | - Hui Liu
- School of Metallurgy and Environment, Central South University, Changsha 410083, PR China
| | - Lei Wang
- Key Laboratory of Eco-chemical Engineering, Taishan Scholar Advantage and Characteristic Discipline Team of Eco-chemical Process and Technology, Qingdao University of Science and Technology, Qingdao 266042, PR China; College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China.
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9
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Fang S, Sun Y, Xu J, Zhang T, Wu Z, Li J, Gao E, Wang W, Zhu J, Dai L, Liu W, Zhang B, Zhang J, Yao S. Revealing the intrinsic nature of Ni-, Mn-, and Y-doped CeO 2 catalysts with positive, additive, and negative effects on CO oxidation using operando DRIFTS-MS. Dalton Trans 2023; 52:16911-16919. [PMID: 37927054 DOI: 10.1039/d3dt03001f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2023]
Abstract
The catalytic activity of a transition metal (host) oxide can be influenced by doping with a second cation (dopant), but the key factors dominating the activity of the doped catalyst are still controversial. Herein, CeO2 doped with Ni, Mn, and Y catalysts prepared using aerosol pyrolysis were used to demonstrate the positive, negative, and additive effects on CO oxidation as a model reaction. Various characterization results indicated that Ni, Mn, and Y had been successfully doped into the CeO2 lattice. The catalytic activities of each catalyst for CO conversion were in the order of Ni-CeO2 > Mn-CeO2 > CeO2 > Y-CeO2. Operando DRIFTS-MS and various characterization methods were applied to reveal the intrinsic nature of the doping effects. The accumulation rate of the surface bidentate carbonates determined the CO oxidation. A definition to evaluate the doping effect was proposed, which is anticipated to be useful for developing a rational catalyst with a high CO oxidation activity. The CO oxidation reactivities displayed strong correlations with the surface factors obtained from operando DRIFTS-MS analysis and the structure factors from XPS and Raman analyses.
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Affiliation(s)
- Shiyu Fang
- School of Environmental Science and Engineering, Changzhou University, Changzhou 213164, China.
| | - Yan Sun
- School of Environmental Science and Engineering, Changzhou University, Changzhou 213164, China.
| | - Jiacheng Xu
- School of Environmental Science and Engineering, Changzhou University, Changzhou 213164, China.
- School of Material Science and Engineering, Changzhou University, Changzhou 213164, China
| | - Tiantian Zhang
- School of Environmental Science and Engineering, Changzhou University, Changzhou 213164, China.
| | - Zuliang Wu
- School of Environmental Science and Engineering, Changzhou University, Changzhou 213164, China.
- Key Laboratory of Advanced Plasma Catalysis Engineering for China Petrochemical Industry, Changzhou 213164, China
| | - Jing Li
- School of Environmental Science and Engineering, Changzhou University, Changzhou 213164, China.
- Key Laboratory of Advanced Plasma Catalysis Engineering for China Petrochemical Industry, Changzhou 213164, China
| | - Erhao Gao
- School of Environmental Science and Engineering, Changzhou University, Changzhou 213164, China.
- Key Laboratory of Advanced Plasma Catalysis Engineering for China Petrochemical Industry, Changzhou 213164, China
| | - Wei Wang
- School of Environmental Science and Engineering, Changzhou University, Changzhou 213164, China.
- Key Laboratory of Advanced Plasma Catalysis Engineering for China Petrochemical Industry, Changzhou 213164, China
| | - Jiali Zhu
- School of Environmental Science and Engineering, Changzhou University, Changzhou 213164, China.
- Key Laboratory of Advanced Plasma Catalysis Engineering for China Petrochemical Industry, Changzhou 213164, China
| | - Lianxin Dai
- Jiangxi Xintai Functional Materials Technology Co., Ltd., Ji'an 343100, China
| | - Weihua Liu
- Jiangxi Xintai Functional Materials Technology Co., Ltd., Ji'an 343100, China
| | - Buhe Zhang
- Jiangxi Xintai Functional Materials Technology Co., Ltd., Ji'an 343100, China
| | - Junwei Zhang
- Jiangxi Xintai Functional Materials Technology Co., Ltd., Ji'an 343100, China
| | - Shuiliang Yao
- School of Environmental Science and Engineering, Changzhou University, Changzhou 213164, China.
- School of Material Science and Engineering, Changzhou University, Changzhou 213164, China
- Key Laboratory of Advanced Plasma Catalysis Engineering for China Petrochemical Industry, Changzhou 213164, China
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10
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Gao G, Liu W, Liu Z, Li Z, Xu H, Huang W, Yan N, Qu Z. Electron Donation from Boron Suboxides via Strong p-d Orbital Hybridization Boosts Molecular O 2 Activation on Ru/TiO 2 for Low-Temperature Dibromomethane Oxidation. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:17566-17576. [PMID: 37906097 DOI: 10.1021/acs.est.3c04725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/02/2023]
Abstract
Low-temperature catalytic oxidation is of significance to the degradation of halogenated volatile organic compounds (HVOCs) to avoid hazardous byproducts with low energy consumption. Efficient molecular oxygen (O2) activation is pivotal to it but usually limited by the insufficient electron cloud density at the metal center. Herein, Ru-B catalysts with enhanced electron density around Ru were designed to achieve efficient O2 activation, realizing dibromomethane (DBM) degradation T90 at 182 °C on RuB1/TiO2 (about 30 °C lower than pristine Ru/TiO2) with a TOFRu value of 0.055 s-1 (over 8 times that of Ru/TiO2). Compared to the limited electron transfer (0.02 e) on pristine Ru/TiO2, the Ru center gained sufficient negative charges (0.31 e) from BOx via strong p-d orbital hybridization. The Ru-B site then acted as the electron donor complexing with the 2π* antibonding orbital of O2 to realize the O2 dissociative activation. The reactive oxygen species formed thereby could initiate a fast conversion and oxidation of formate intermediates, thus eventually boosting the low-temperature catalytic activity. Furthermore, we found that the Ru-B sites for O2 activation have adaptation for pollutant removal and multiple metal availability. Our study shed light on robust O2 activation catalyst design based on electron density adjustment by boron.
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Affiliation(s)
- Guanqun Gao
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Wei Liu
- Jiangsu Environmental Engineering Technology Co., Ltd., Nanjing 210019, China
- Jiangsu Province Engineering Research Center of Synergistic Control of Pollution and Carbon Emissions in Key Industries, Nanjing 210019, China
| | - Zhisong Liu
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, China
| | - Zihao Li
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Haomiao Xu
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Wenjun Huang
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Naiqiang Yan
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Zan Qu
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
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11
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Li Y, Qin T, Wei Y, Xiong J, Zhang P, Lai K, Chi H, Liu X, Chen L, Yu X, Zhao Z, Li L, Liu J. A single site ruthenium catalyst for robust soot oxidation without platinum or palladium. Nat Commun 2023; 14:7149. [PMID: 37932256 PMCID: PMC10628289 DOI: 10.1038/s41467-023-42935-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Accepted: 10/26/2023] [Indexed: 11/08/2023] Open
Abstract
The quest for efficient non-Pt/Pd catalysts has proved to be a formidable challenge for auto-exhaust purification. Herein, we present an approach to construct a robust catalyst by embedding single-atom Ru sites onto the surface of CeO2 through a gas bubbling-assisted membrane deposition method. The formed single-atom Ru sites, which occupy surface lattice sites of CeO2, can improve activation efficiency for NO and O2. Remarkably, the Ru1/CeO2 catalyst exhibits exceptional catalytic performance and stability during auto-exhaust carbon particle oxidation (soot), rivaling commercial Pt-based catalysts. The turnover frequency (0.218 h-1) is a nine-fold increase relative to the Ru nanoparticle catalyst. We further show that the strong interfacial charge transfer within the atomically dispersed Ru active site greatly enhances the rate-determining step of NO oxidation, resulting in a substantial reduction of the apparent activation energy during soot oxidation. The single-atom Ru catalyst represents a step toward reducing dependence on Pt/Pd-based catalysts.
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Affiliation(s)
- Yuanfeng Li
- State Key Laboratory of Heavy Oil Processing, Key Laboratory of Optical Detection Technology for Oil and Gas, China University of Petroleum, Beijing, 102249, P. R. China
| | - Tian Qin
- School of Chemistry and Chemical, In-situ Center for Physical Sciences, Shanghai Jiao Tong University, 200240, Shanghai, P. R. China
| | - Yuechang Wei
- State Key Laboratory of Heavy Oil Processing, Key Laboratory of Optical Detection Technology for Oil and Gas, China University of Petroleum, Beijing, 102249, P. R. China.
| | - Jing Xiong
- State Key Laboratory of Heavy Oil Processing, Key Laboratory of Optical Detection Technology for Oil and Gas, China University of Petroleum, Beijing, 102249, P. R. China
| | - Peng Zhang
- State Key Laboratory of Heavy Oil Processing, Key Laboratory of Optical Detection Technology for Oil and Gas, China University of Petroleum, Beijing, 102249, P. R. China
| | - Kezhen Lai
- State Key Laboratory of Heavy Oil Processing, Key Laboratory of Optical Detection Technology for Oil and Gas, China University of Petroleum, Beijing, 102249, P. R. China
| | - Hongjie Chi
- State Key Laboratory of Heavy Oil Processing, Key Laboratory of Optical Detection Technology for Oil and Gas, China University of Petroleum, Beijing, 102249, P. R. China
| | - Xi Liu
- School of Chemistry and Chemical, In-situ Center for Physical Sciences, Shanghai Jiao Tong University, 200240, Shanghai, P. R. China.
| | - Liwei Chen
- School of Chemistry and Chemical, In-situ Center for Physical Sciences, Shanghai Jiao Tong University, 200240, Shanghai, P. R. China
| | - Xiaolin Yu
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.
| | - Zhen Zhao
- State Key Laboratory of Heavy Oil Processing, Key Laboratory of Optical Detection Technology for Oil and Gas, China University of Petroleum, Beijing, 102249, P. R. China.
| | - Lina Li
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Shanghai, China
| | - Jian Liu
- State Key Laboratory of Heavy Oil Processing, Key Laboratory of Optical Detection Technology for Oil and Gas, China University of Petroleum, Beijing, 102249, P. R. China
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12
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Ji H, Wang X, Wei X, Peng Y, Zhang S, Song S, Zhang H. Boosting Polyethylene Hydrogenolysis Performance of Ru-CeO 2 Catalysts by Finely Regulating the Ru Sizes. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2300903. [PMID: 37096905 DOI: 10.1002/smll.202300903] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/27/2023] [Indexed: 05/03/2023]
Abstract
Hydrogenolysis is an effective method for converting polyolefins into high-value chemicals. For the supported catalysts commonly used, the size of active metals is of great importance. In this study, it is discovered that the activity of CeO2 -supported Ru single atom, nanocluster, and nanoparticle catalysts shows a volcanic trend in low-density polyethylene (LDPE) hydrogenolysis. Compared with CeO2 supported Ru single atoms and nanoparticles, CeO2 -supported Ru nanoclusters possess the highest conversion efficiency, as well as the best selectivity toward liquid alkanes. Through comprehensive investigations, the metal-support interactions (MSI) and hydrogen spillover effect are revealed as the two key factors in the reaction. On the one hand, the MSI is strongly related to the Ru surface states and the more electronegative Ru centers are beneficial to the activation of CH and CC bonds. On the other hand, the hydrogen spillover capability directly affects the affinity of catalysts and active H atoms, and increasing this affinity is advantageous to the hydrogenation of alkane species. Decreasing the Ru sizes can promote the MSI, but it can also reduce the hydrogen spillover effect. Therefore, only when the two effects achieve a balance, as is the case in CeO2 -supported Ru nanoclusters, can the hydrogenolysis activity be promoted to the optimal value.
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Affiliation(s)
- Hongyan Ji
- School of Rare Earths, University of Science and Technology of China, Hefei, 230026, China
- Ganjiang Innovation Academy, Chinese Academy of Science, Ganzhou, 341000, China
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
| | - Xiao Wang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, 230026, China
| | - Xiaoxu Wei
- School of Rare Earths, University of Science and Technology of China, Hefei, 230026, China
- Ganjiang Innovation Academy, Chinese Academy of Science, Ganzhou, 341000, China
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
| | - Yuxuan Peng
- School of Rare Earths, University of Science and Technology of China, Hefei, 230026, China
- Ganjiang Innovation Academy, Chinese Academy of Science, Ganzhou, 341000, China
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
| | - Shuaishuai Zhang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
| | - Shuyan Song
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, 230026, China
| | - Hongjie Zhang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, 230026, China
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13
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Ye J, Jing M, Liang Y, Li W, Zhao W, Huang J, Lai Y, Song W, Liu J, Sun J. Structure engineering of CeO 2 for boosting the Au/CeO 2 nanocatalyst in the green and selective hydrogenation of nitrobenzene. NANOSCALE HORIZONS 2023; 8:812-826. [PMID: 37016980 DOI: 10.1039/d3nh00103b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Exploring eco-friendly and cost-effective strategies for structure engineering at the nanoscale is important for boosting heterogeneous catalysis but still under a long-standing challenge. Herein, multifunctional polyphenol tannic acid, a low-cost natural biomass containing catechol and galloyl species, was employed as a green reducing agent, chelating agent, and stabilizer to prepare Au nanoparticles, which were dispersed on different-shaped CeO2 supports (e.g., rod, flower, cube, and octahedral). Systematic characterizations revealed that Au/CeO2-rod had the highest oxygen vacancy density and Ce(III) proportion, favoring the dispersion and stabilization of the metal active sites. Using isopropanol as a hydrogen-transfer reagent, deep insights into the structure-activity relationship of the Au/CeO2 catalysts with various morphologies of CeO2 in the catalytic nitrobenzene transfer hydrogenation reaction were gained. Notably, the catalytic performance followed the order: Au/CeO2-rod (110), (100), (111) > Au/CeO2-flower (100), (111) > Au/CeO2-cube (100) > Au/CeO2-octa (111). Au/CeO2-rod displayed the highest conversion of 100% nitrobenzene and excellent stability under optimal conditions. Moreover, DFT calculations indicated that nitrobenzene molecules had a suitable adsorption energy and better isopropanol dehydrogenation capacity on the Au/CeO2 (110) surface. A reaction pathway and the synergistic catalytic mechanism for catalytic nitrobenzene transfer hydrogenation are proposed based on the results. This work demonstrates that CeO2 structure engineering is an efficient strategy for fabricating advanced and environmentally benign materials for nitrobenzene hydrogenation.
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Affiliation(s)
- Junqing Ye
- School of Life Science, Beijing Institute of Technology, Beijing 100081, P. R. China.
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, P. R. China
| | - Meizan Jing
- State Key Laboratory of Heavy Oil Processing, College of Science, China University of Petroleum-Beijing, Beijing 102249, P. R. China
| | - Yu Liang
- School of Life Science, Beijing Institute of Technology, Beijing 100081, P. R. China.
| | - Wenjin Li
- School of Life Science, Beijing Institute of Technology, Beijing 100081, P. R. China.
| | - Wanting Zhao
- School of Life Science, Beijing Institute of Technology, Beijing 100081, P. R. China.
| | - Jianying Huang
- College of Chemical Engineering, Fuzhou University, Fuzhou 350116, P. R. China.
- Qingyuan Innovation Laboratory, Quanzhou 362801, P. R. China
| | - Yuekun Lai
- College of Chemical Engineering, Fuzhou University, Fuzhou 350116, P. R. China.
- Qingyuan Innovation Laboratory, Quanzhou 362801, P. R. China
| | - Weiyu Song
- State Key Laboratory of Heavy Oil Processing, College of Science, China University of Petroleum-Beijing, Beijing 102249, P. R. China
| | - Jian Liu
- State Key Laboratory of Heavy Oil Processing, College of Science, China University of Petroleum-Beijing, Beijing 102249, P. R. China
| | - Jian Sun
- School of Life Science, Beijing Institute of Technology, Beijing 100081, P. R. China.
- Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing 100081, P. R. China
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14
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Li Y, Qin T, Ma Y, Xiong J, Zhang P, Lai K, Liu X, Zhao Z, Liu J, Chen L, Wei Y. Revealing Active Edge Sites Induced by Oriented Lattice Bending of Co-CeO2 Nanosheets for Boosting Auto-Exhaust Soot Oxidation. J Catal 2023. [DOI: 10.1016/j.jcat.2023.03.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
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15
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Li H, Pei W, Yang X, Zhou S, Zhao J. Pt overlayer for direct oxidation of CH4 to CH3OH. CHINESE CHEM LETT 2023. [DOI: 10.1016/j.cclet.2023.108292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
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16
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Xia H, Bai Y, Niu Q, Chen B, Wang F, Gao B, Liu L, Wang X, Deng W, Dai Q. Support-Dependent Activity and Thermal Stability of Ru-Based Catalysts for Catalytic Combustion of Light Hydrocarbons. Ind Eng Chem Res 2023. [DOI: 10.1021/acs.iecr.2c03738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Hangqi Xia
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, PR China
- Erdos Electric Power and Metallurgy Group Co., Ltd., Ordos 016064, Inner Mongolia, P. R. China
| | - Yuting Bai
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, PR China
| | - Qiang Niu
- Erdos Electric Power and Metallurgy Group Co., Ltd., Ordos 016064, Inner Mongolia, P. R. China
| | - Biao Chen
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, PR China
| | - Feng Wang
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, PR China
| | - Biao Gao
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, PR China
| | - Lilin Liu
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, PR China
| | - Xingyi Wang
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, PR China
| | - Wei Deng
- School of Optoelectronic Materials and Technology, Jianghan University, Wuhan, Hubei 430056, PR China
| | - Qiguang Dai
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, PR China
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17
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Wang H, Duan W, Zhang R, Ma H, Ma C, Liang M, Zhao Y, Miao Z. Fabrication and catalytic properties of nanorod-shaped (Pt-Pd)/CeO 2 composites. RSC Adv 2023; 13:2811-2819. [PMID: 36756418 PMCID: PMC9847492 DOI: 10.1039/d2ra07395a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 12/19/2022] [Indexed: 01/19/2023] Open
Abstract
Nanorod-supported (Pt-Pd)/CeO2 catalysts were synthesized by a simple method of dealloying Al91.7Ce8 Pt X Pd0.3-X (X = 0, 0.075, 0.1, 0.15, 0.2, 0.3) alloy ribbons. SEM and TEM characterization implied that after calcination treatment, the achieved resultants exhibited interspersed nanorod structures with a rich distribution of nanopores. Catalytic tests showed that the (Pt0.1-Pd0.2)/CeO2 catalyst calcined at 300 °C exhibited the highest catalyst activity for CO oxidation when compared with other catalysts prepared at different noble metal ratios or calcined at other temperatures, whose complete reaction temperature was as low as 100 °C. The outstanding catalytic performance is ascribed to the stable framework structure, rich gas pathways and collaborative effect between the noble Pt and Pd bimetals.
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Affiliation(s)
- Haiyang Wang
- Xi'an Key Laboratory of Advanced Photo-electronics Materials and Energy Conversion Device, Key Laboratory of Organic Polymer Photoelectric Materials, School of Electronic Information, Xijing UniversityXi'an710123P. R. China
| | - Wenyuan Duan
- Xi'an Key Laboratory of Advanced Photo-electronics Materials and Energy Conversion Device, Key Laboratory of Organic Polymer Photoelectric Materials, School of Electronic Information, Xijing UniversityXi'an710123P. R. China
| | - Ruiyin Zhang
- Xi'an Key Laboratory of Advanced Photo-electronics Materials and Energy Conversion Device, Key Laboratory of Organic Polymer Photoelectric Materials, School of Electronic Information, Xijing UniversityXi'an710123P. R. China
| | - Hao Ma
- Xi'an Key Laboratory of Advanced Photo-electronics Materials and Energy Conversion Device, Key Laboratory of Organic Polymer Photoelectric Materials, School of Electronic Information, Xijing UniversityXi'an710123P. R. China
| | - Cheng Ma
- Xi'an Key Laboratory of Advanced Photo-electronics Materials and Energy Conversion Device, Key Laboratory of Organic Polymer Photoelectric Materials, School of Electronic Information, Xijing UniversityXi'an710123P. R. China
| | - Miaomiao Liang
- School of Materials Science and Engineering, Xi'an Polytechnic UniversityXi'anShaanxi710048P. R. China
| | - Yuzhen Zhao
- Xi'an Key Laboratory of Advanced Photo-electronics Materials and Energy Conversion Device, Key Laboratory of Organic Polymer Photoelectric Materials, School of Electronic Information, Xijing UniversityXi'an710123P. R. China
| | - Zongcheng Miao
- Xi'an Key Laboratory of Advanced Photo-electronics Materials and Energy Conversion Device, Key Laboratory of Organic Polymer Photoelectric Materials, School of Electronic Information, Xijing University Xi'an 710123 P. R. China.,School of Artificial Intelligence, Optics and Electronics (iOPEN), Northwestern Polytechnical University Xi'an Shaanxi 710072 P. R. China
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18
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Duan X, Zhao T, Niu B, Wei Z, Li G, Zhang Z, Cheng J, Hao Z. Simultaneously Constructing Active Sites and Regulating Mn-O Strength of Ru-Substituted Perovskite for Efficient Oxidation and Hydrolysis Oxidation of Chlorobenzene. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2205054. [PMID: 36437038 PMCID: PMC9875690 DOI: 10.1002/advs.202205054] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 10/28/2022] [Indexed: 06/16/2023]
Abstract
Chlorinated volatile organic compounds (CVOCs) are a class of hazardous pollutants that severely threaten environmental safety and human health. Although the catalytic oxidation technique for CVOCs elimination is effective, enhancing the catalytic efficiency and simultaneously inhibiting the production of organic byproducts is still of great challenge. Herein, Ru-substituted LaMn(Ru)O3+ δ perovskite with Ru-O-Mn structure and weakened Mn-O bond strength has been developed for catalytic oxidation of chlorobenzene (CB). The formed Ru-O-Mn structure serves as favorable sites for CB adsorption and activation, while the weakening of Mn-O bond strength facilitates the formation of active oxygen species and improves oxygen mobility and catalyst reducibility. Therefore, LaMn(Ru)O3+ δ exhibits superior low-temperature activity with the temperature of 90% CB conversion decreasing by over 90 °C compared with pristine perovskite, and the deep oxidation of chlorinated byproducts produced in low temperature is also accelerated. Furthermore, the introduction of water vapor into reaction system triggers the process of hydrolysis oxidation that promotes CB destruction and inhibits the generation of chlorinated byproducts, due to the higher-activity *OOH species generated from the dissociated H2 O reacting with adsorbed oxygen. This work can provide a unique, high-efficiency, and facile strategy for CVOCs degradation and environmental improvement.
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Affiliation(s)
- Xiaoxiao Duan
- National Engineering Laboratory for VOCs Pollution Control Material & TechnologyResearch Center for Environmental Material and Pollution Control TechnologyUniversity of Chinese Academy of SciencesBeijing101408P. R. China
| | - Ting Zhao
- National Engineering Laboratory for VOCs Pollution Control Material & TechnologyResearch Center for Environmental Material and Pollution Control TechnologyUniversity of Chinese Academy of SciencesBeijing101408P. R. China
| | - Ben Niu
- National Engineering Laboratory for VOCs Pollution Control Material & TechnologyResearch Center for Environmental Material and Pollution Control TechnologyUniversity of Chinese Academy of SciencesBeijing101408P. R. China
| | - Zheng Wei
- National Engineering Laboratory for VOCs Pollution Control Material & TechnologyResearch Center for Environmental Material and Pollution Control TechnologyUniversity of Chinese Academy of SciencesBeijing101408P. R. China
| | - Ganggang Li
- National Engineering Laboratory for VOCs Pollution Control Material & TechnologyResearch Center for Environmental Material and Pollution Control TechnologyUniversity of Chinese Academy of SciencesBeijing101408P. R. China
| | - Zhongshen Zhang
- National Engineering Laboratory for VOCs Pollution Control Material & TechnologyResearch Center for Environmental Material and Pollution Control TechnologyUniversity of Chinese Academy of SciencesBeijing101408P. R. China
| | - Jie Cheng
- National Engineering Laboratory for VOCs Pollution Control Material & TechnologyResearch Center for Environmental Material and Pollution Control TechnologyUniversity of Chinese Academy of SciencesBeijing101408P. R. China
| | - Zhengping Hao
- National Engineering Laboratory for VOCs Pollution Control Material & TechnologyResearch Center for Environmental Material and Pollution Control TechnologyUniversity of Chinese Academy of SciencesBeijing101408P. R. China
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19
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Deng Y, Fu L, Song W, Ouyang L, Yuan S. Transition metal and Pr co-doping induced oxygen vacancy in Pd/CeO2 catalyst boosts low-temperature CO oxidation. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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20
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Revisiting the Semi-Hydrogenation of Phenylacetylene to Styrene over Palladium-Lead Alloyed Catalysts on Precipitated Calcium Carbonate Supports. Catalysts 2022. [DOI: 10.3390/catal13010050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
The quest for improved heterogeneous catalysts often leads to sophisticated solutions, which are expensive and tricky to scale up industrially. Herein, the effort to upgrade the existing inorganic nonmetallic materials has seldom been prioritized by the catalysis community, which could deliver cost-effective solutions to upgrade the industrial catalysts catalog. With this philosophy in mind, we demonstrate in this work that alloyed palladium-lead (Pd-Pb) deposited on novel precipitated calcium carbonate (PCC) supports could be considered an upgraded version of the industrial Lindlar catalyst for the semi-hydrogenation of phenylacetylene to styrene. By utilizing PCC supports of variable surface areas (up to 60 m2/g) and alloyed Pd-Pb loading, supported by material characterization tools, we showcase that achieving the “active-site isolation” feature could be the most pivotal criterion to maximize semi-hydrogenated alkenes selectivity at the expense of prohibiting the complete hydrogenation to alkanes. The calcite phase of our PCC supports governs the ultimate catalysis, via complexation with uniformly distributed alloyed Pb, which may facilitate the desired “active-site isolation” feature to boost the selectivity to the preferential product. Through this work, we also advocate increasing research efforts on mineral-based inorganic nonmetallic materials to deliver novel and improved cost-effective catalytic systems.
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21
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Araia A, Wang Y, Jiang C, Brown S, Caiola A, Robinson B, Hu J. Intuitive study on the effect of support morphology over Cs-Ru/CeO2 catalyst for microwave-initiated ammonia synthesis. CATAL COMMUN 2022. [DOI: 10.1016/j.catcom.2022.106551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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22
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Zhang K, Cui G, Yuan M, Huang H, Li N, Xu J, Wang G, Li C. Sn-decorated CeO2 with different morphologies for direct dehydrogenation of ethylbenzene. J RARE EARTH 2022. [DOI: 10.1016/j.jre.2022.11.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
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23
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Zhu G, Shi S, Feng X, Zhao L, Wang Y, Cao J, Gao J, Xu J. Switching Amine Oxidation from Imines to Nitriles by Carbon-Hydrogen Bond Activation via Strong Base Modified Strategy. ACS APPLIED MATERIALS & INTERFACES 2022; 14:52758-52765. [PMID: 36394950 DOI: 10.1021/acsami.2c13418] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Precisely controlling the product selectivity from the complex reaction is always an attractive topic in the catalysis field. In this paper, the Ru/strong base junction formed by the redox strategy was demonstrated as an efficient catalyst to switch the selectivity in aerobic oxidation of benzylamines. The zirconia-supported ruthenium (Ru-ZrO2) catalyst could catalyze benzylamine oxidation coupling to imines; however, the potassium oxide strong base modified zirconia-supported ruthenium (Ru-K-ZrO2) catalyst could catalyze benzylamine oxidation dehydrogenation to nitriles. Insight into the mechanism showed that the base modified catalyst had excellent dehydrogenation ability which was assisted by the C-H bond activation and changed the reaction pathway. The strong base modified strategy may provide a new approach for controlling the performance of heterogeneous catalysts and product selectivity.
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Affiliation(s)
- Guozhi Zhu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China
- Guangdong Provincial Key Laboratory of Industrial Surfactant, Institute of Chemical Engineering, Guangdong Academy of Sciences, Guangzhou 510665, People's Republic of China
| | - Song Shi
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China
| | - Xiao Feng
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China
| | - Li Zhao
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China
| | - Yinwei Wang
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China
| | - Jieqi Cao
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China
| | - Jin Gao
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China
| | - Jie Xu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China
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24
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Deng Y, Liu S, Fu L, Yuan Y, Zhao A, Wang D, Zheng H, Ouyang L, Yuan S. Crystal plane induced metal-support interaction in Pd/Pr-CeO2 catalyst boosts H2O-assisted CO oxidation. J Catal 2022. [DOI: 10.1016/j.jcat.2022.11.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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25
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Pu T, Ding J, Tang X, Yang K, Wang K, Huang B, Dai S, He Y, Shi Y, Xie P. Rational Design of Precious-Metal Single-Atom Catalysts for Methane Combustion. ACS APPLIED MATERIALS & INTERFACES 2022; 14:43141-43150. [PMID: 36111426 DOI: 10.1021/acsami.2c09347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Supported precious-metal single-atom catalysts (PM SACs) have emerged as a new frontier of high-performance catalytic material with 100% atom utilization efficiency. However, the rational design of such material with guidance from fundamental understandings of the structure-activity relationship remains challenging. Here, we report the synthesis, characterizations, and mechanistic investigation of various PM SACs supported on nanoceria for CH4 combustion. Using density functional theory, two descriptors as the d-band center of PMs and oxygen vacancy formation energy are established, which jointly govern the reactivity for CH4 combustion. These descriptors are thus applied to predict a dual SAC consisting of proximate Pd and Rh sites, demonstrating a remarkable improvement versus Pd or Rh catalyst, respectively. Our results reveal the general strategy of integrating experimental and computational efforts for investigation of various PM SACs in methane combustion, thus paving the way for the next generation of advanced catalytic materials.
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Affiliation(s)
- Tiancheng Pu
- College of Chemical and Biological Engineering, Zhejiang University, 148 Tianmushan Road, Hangzhou 310027, People's Republic of China
| | - Jiaqi Ding
- College of Chemical and Biological Engineering, Zhejiang University, 148 Tianmushan Road, Hangzhou 310027, People's Republic of China
| | - Xuan Tang
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, People's Republic of China
| | - Kewu Yang
- College of Chemical and Biological Engineering, Zhejiang University, 148 Tianmushan Road, Hangzhou 310027, People's Republic of China
| | - Ke Wang
- College of Chemical and Biological Engineering, Zhejiang University, 148 Tianmushan Road, Hangzhou 310027, People's Republic of China
| | - Bei Huang
- College of Chemical and Biological Engineering, Zhejiang University, 148 Tianmushan Road, Hangzhou 310027, People's Republic of China
| | - Sheng Dai
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, People's Republic of China
| | - Yi He
- College of Chemical and Biological Engineering, Zhejiang University, 148 Tianmushan Road, Hangzhou 310027, People's Republic of China
- Department of Chemical Engineering, University of Washington, Seattle, Washington 98195, United States
| | - Yao Shi
- College of Chemical and Biological Engineering, Zhejiang University, 148 Tianmushan Road, Hangzhou 310027, People's Republic of China
| | - Pengfei Xie
- College of Chemical and Biological Engineering, Zhejiang University, 148 Tianmushan Road, Hangzhou 310027, People's Republic of China
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26
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Sivan SE, Oh KR, Yoon JW, Yoo C, Hwang YK. Immobilization of a trimeric ruthenium cluster in mesoporous chromium terephthalate and its catalytic application. Dalton Trans 2022; 51:13189-13194. [PMID: 35971956 DOI: 10.1039/d2dt01462a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Molecular trimeric ruthenium carboxylate clusters (Ru3 clusters) have been introduced into the pore channels of mesoporous metal-organic framework chromium terephthalate [MIL-101(Cr)] by employing a facile two-step post-synthetic strategy in which diamine hooks anchored on the framework metal nodes of the MOF are used to covalently immobilize the Ru3 clusters. The catalytic activity of the isolated Ru3 clusters in the pore channels of the MOF was significantly improved compared to the bulk counterpart.
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Affiliation(s)
- Sanil E Sivan
- Chemical & Process Technology Division, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Republic of Korea.
| | - Kyung-Ryul Oh
- Chemical & Process Technology Division, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Republic of Korea.
| | - Ji-Woong Yoon
- Chemical & Process Technology Division, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Republic of Korea.
| | - Changho Yoo
- Chemical & Process Technology Division, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Republic of Korea.
| | - Young Kyu Hwang
- Chemical & Process Technology Division, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Republic of Korea.
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27
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Li M, Zhang D, Yi Y, Xue B, Liu B. Boosting anodic methanol upgrading over RuO2 through integration with CeO2 for energy-saving H2 generation in acidic environment. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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28
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Lorber K, Zavašnik J, Arčon I, Huš M, Teržan J, Likozar B, Djinović P. CO 2 Activation over Nanoshaped CeO 2 Decorated with Nickel for Low-Temperature Methane Dry Reforming. ACS APPLIED MATERIALS & INTERFACES 2022; 14:31862-31878. [PMID: 35801412 PMCID: PMC9305712 DOI: 10.1021/acsami.2c05221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Dry reforming of methane (DRM) is a promising way to convert methane and carbon dioxide into H2 and CO (syngas). CeO2 nanorods, nanocubes, and nanospheres were decorated with 1-4 wt % Ni. The materials were structurally characterized using TEM and in situ XANES/EXAFS. The CO2 activation was analyzed by DFT and temperature-programmed techniques combined with MS-DRIFTS. Synthesized CeO2 morphologies expose {111} and {100} terminating facets, varying the strength of the CO2 interaction and redox properties, which influence the CO2 activation. Temperature-programmed CO2 DRIFTS analysis revealed that under hydrogen-lean conditions mono- and bidentate carbonates are hydrogenated to formate intermediates, which decompose to H2O and CO. In excess hydrogen, methane is the preferred reaction product. The CeO2 cubes favor the formation of a polydentate carbonate species, which is an inert spectator during DRM at 500 °C. Polydentate covers a considerable fraction of ceria's surface, resulting in less-abundant surface sites for CO2 dissociation.
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Affiliation(s)
- Kristijan Lorber
- National
Institute of Chemistry, Hajdrihova 19, 1000 Ljubljana, Slovenia
- University
of Nova Gorica, Vipavska 13, SI-5000 Nova Gorica, Slovenia
| | - Janez Zavašnik
- Jožef
Stefan Institute, Jamova cesta 39, SI-1000 Ljubljana, Slovenia
| | - Iztok Arčon
- University
of Nova Gorica, Vipavska 13, SI-5000 Nova Gorica, Slovenia
- Jožef
Stefan Institute, Jamova cesta 39, SI-1000 Ljubljana, Slovenia
| | - Matej Huš
- National
Institute of Chemistry, Hajdrihova 19, 1000 Ljubljana, Slovenia
- Association
for Technical Culture (ZOTKS), Zaloška 65, 1000 Ljubljana, Slovenia
| | - Janvit Teržan
- National
Institute of Chemistry, Hajdrihova 19, 1000 Ljubljana, Slovenia
| | - Blaž Likozar
- National
Institute of Chemistry, Hajdrihova 19, 1000 Ljubljana, Slovenia
| | - Petar Djinović
- National
Institute of Chemistry, Hajdrihova 19, 1000 Ljubljana, Slovenia
- University
of Nova Gorica, Vipavska 13, SI-5000 Nova Gorica, Slovenia
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29
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Long Y, Meng Q, Chen M, Luo X, Dai Q, Lu H, Wu Z, Weng X. Selective Ru Adsorption on SnO 2/CeO 2 Mixed Oxides for Efficient Destruction of Multicomponent Volatile Organic Compounds: From Laboratory to Practical Possibility. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:9762-9772. [PMID: 35734922 DOI: 10.1021/acs.est.2c02925] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Ru-based catalysts have been extensively employed for the catalytic destruction of chlorinated volatile organic compounds (VOCs), but their versatility for other routine VOCs' destruction has been less explored. Herein, we show that Ru-decorated SnO2/CeO2 mixed oxides can sustain H2O and HCl poisonings and are endowed with extraordinary versatility for a wide range of VOCs' destruction. Selective adsorption of Ru on the cassiterite SnO2 and CeO2 nanorods through a Coulomb force can rationally tune the oxidation and dechlorination centers on decorated catalysts, where the epitaxial growth of RuOx on top of SnO2 is endowed with excellent dechlorination ability and that on CeO2 is functional as an oxidation center; the latter could also activate H2O to provide sufficient H protons for HCl formation. Our developed Ru/SnO2/CeO2 catalyst can steadily destruct mono-chlorobenzene, ortho-dichlorobenzene, trichloroethylene, dichloromethane, epichlorohydrin, N-hexane, ethyl acetate, toluene, and their mixtures at an optimum temperature of 300 °C, and its monolithic form is also functional at this temperature with few dioxins being detected in the off-gas. Our results imply that the Ru-decorated SnO2/CeO2 catalyst can meet the demands of regenerative catalytic oxidation for the treatment of a wide range of VOCs from industrial exhausts.
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Affiliation(s)
- Yunpeng Long
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, P. R. China
| | - Qingjie Meng
- School of Civil and Environmental Engineering, Ningbo University, Ningbo 315211, P. R. China
| | - Meiling Chen
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, P. R. China
| | - Xueqing Luo
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou 311200, P. R. China
| | - Qiguang Dai
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Hanfeng Lu
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Zhongbiao Wu
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, P. R. China
| | - Xiaole Weng
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, P. R. China
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou 311200, P. R. China
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30
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Fan Y, Xu H, Liu Z, Sun S, Huang W, Qu Z, Yan N. Tunable Redox Cycle and Enhanced π-Complexation in Acetylene Hydrochlorination over RuCu Catalysts. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yurui Fan
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Haomiao Xu
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Zhisong Liu
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, China
| | - Songyuan Sun
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Wenjun Huang
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Zan Qu
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Naiqiang Yan
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
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31
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32
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Vy Tran A, Park S, Jin Lee H, Yong Kim T, Kim Y, Suh Y, Lee K, Jin Kim Y, Baek J. Efficient Production of Adipic Acid by a Two-Step Catalytic Reaction of Biomass-Derived 2,5-Furandicarboxylic Acid. CHEMSUSCHEM 2022; 15:e202200375. [PMID: 35293137 PMCID: PMC9323459 DOI: 10.1002/cssc.202200375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 03/14/2022] [Indexed: 06/14/2023]
Abstract
Efficient catalytic ring-opening coupled with hydrogenation is a promising but challenging reaction for producing adipic acid (AA) from 2,5-furan dicarboxylic acid (FDCA). In this study, AA synthesis is carried out in two steps from FDCA via tetrahydrofuran-2,5-dicarboxylic acid (THFDCA) over a recyclable Ru/Al2 O3 and an ionic liquid, [MIM(CH2 )4 SO3 H]I (MIM=methylimidazolium) to deliver 99 % overall yield of AA. Ru/Al2 O3 is found to be an efficient catalyst for hydrogenation and hydrogenolysis of FDCA to deliver THFDCA and 2-hydroxyadipic acid (HAA), respectively, where ruthenium is more economically viable than well-known palladium or rhodium hydrogenation catalysts. H2 chemisorption shows that the alumina phase strongly affects the interaction between Ru nanoparticles (NPs) and supports, resulting in materials with high dispersion and small size of Ru NPs, which in turn are responsible for the high conversion of FDCA. An ionic liquid system, [MIM(CH2 )4 SO3 H]I is applied to the hydrogenolysis of THFDCA for AA production. The [MIM(CH2 )4 SO3 H]I exhibits superior activity, enables simple product isolation with high purity, and reduces the severe corrosion problems caused by the conventional hydroiodic acid catalytic system.
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Affiliation(s)
- Anh Vy Tran
- Green and Sustainable Materials R&D DepartmentKorea Institute of Industrial Technology (KITECH)89 Yangdeagiro-gilIpjang-myeonCheonan-si 31056Republic of Korea
| | - Seok‐Kyu Park
- Department of Chemical and Biological EngineeringKorea University145 Anam-ro, Seongbuk-guSeoul02841Republic of Korea
| | - Hye Jin Lee
- Green and Sustainable Materials R&D DepartmentKorea Institute of Industrial Technology (KITECH)89 Yangdeagiro-gilIpjang-myeonCheonan-si 31056Republic of Korea
| | - Tae Yong Kim
- Department of Chemical EngineeringPohang University of Science and Technology77 Cheongam-ro, Nam-guPohangGyeongbuk 37673Republic of Korea
| | - Younhwa Kim
- School of Chemical and Biological EngineeringSeoul National UniversityGwanak-ro, Gwanak-guSeoul08826Republic of Korea
| | - Young‐Woong Suh
- Department of Chemical EngineeringHanyang UniversitySeoul04763Republic of Korea
| | - Kwan‐Young Lee
- Department of Chemical and Biological EngineeringKorea University145 Anam-ro, Seongbuk-guSeoul02841Republic of Korea
| | - Yong Jin Kim
- Green and Sustainable Materials R&D DepartmentKorea Institute of Industrial Technology (KITECH)89 Yangdeagiro-gilIpjang-myeonCheonan-si 31056Republic of Korea
- Department of Green Process and System EngineeringUniversity of Science and Technology (UST)217 Gajeong-ro, Yuseong-guDaejeon-si34113Republic of Korea
| | - Jayeon Baek
- Green and Sustainable Materials R&D DepartmentKorea Institute of Industrial Technology (KITECH)89 Yangdeagiro-gilIpjang-myeonCheonan-si 31056Republic of Korea
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33
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Wen Y, Huang Q, Zhang Z, Huang W. Morphology‐Dependent
Catalysis of
CeO
2
‐Based
Nanocrystal Model Catalysts. CHINESE J CHEM 2022. [DOI: 10.1002/cjoc.202200147] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yang Wen
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Key Laboratory for Reactive Chemistry on Solid Surfaces, Institute of Physical Chemistry Zhejiang Normal University Jinhua 321004 People's Republic of China
| | - Qiuyu Huang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Key Laboratory for Reactive Chemistry on Solid Surfaces, Institute of Physical Chemistry Zhejiang Normal University Jinhua 321004 People's Republic of China
| | - Zhenhua Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Key Laboratory for Reactive Chemistry on Solid Surfaces, Institute of Physical Chemistry Zhejiang Normal University Jinhua 321004 People's Republic of China
| | - Weixin Huang
- Hefei National Laboratory for Physical Sciences at the Microscale, Key Laboratory of Surface and Interface Chemistry and Energy Cataly‐sis of Anhui Higher Education Institutes and Department of Chemical Physics University of Science and Technology of China Hefei 230026 People's Republic of China
- Dalian National Laboratory for Clean Energy Chinese Academy of Sciences Dalian 116023 People's Republic of China
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34
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Wang Y, Wang R. Effects of chemical etching and reduction activation of CeO 2 nanorods supported ruthenium catalysts on CO oxidation. J Colloid Interface Sci 2022; 613:836-846. [PMID: 35091258 DOI: 10.1016/j.jcis.2022.01.062] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 01/09/2022] [Accepted: 01/09/2022] [Indexed: 10/19/2022]
Abstract
In this work, pristine and NaBH4 etched CeO2 nanorods supported ruthenium (Ru) catalysts were synthesized and employed to investigate the effects of chemical etching and reduction activation treatment on CO oxidation. With 1 wt% Ru loading, the CeO2 nanorods supported catalyst samples, after 6 wt% NaBH4 etching treatment, showed significantly promoted H2 consumption under 100 °C and low apparent activation energy (i.e., Ea ∼ 31.2 kJ/mol) for CO oxidation. In-situ CO-DRIFTS profiles revealed that, for the reduced sample, the observed CO adsorption at ∼ 2020 cm-1 at 40 °C may be related to a strong RuOx-CeO2 interaction induced by the NaBH4 etching treatment, which was supported by the oxygen vacancy analysis results of X-ray photoelectron spectroscopy and CO-temperature programmed desorption. The enriched surface defects on CeO2 support due to the chemical etching and reduction treatments are believed to promote the interaction between RuOx species and CeO2, which is responsible for the enhanced activity of CO oxidation.
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Affiliation(s)
- Yifan Wang
- Department of Metallurgical and Materials Engineering, The University of Alabama, Tuscaloosa, AL 35487, United States
| | - Ruigang Wang
- Department of Metallurgical and Materials Engineering, The University of Alabama, Tuscaloosa, AL 35487, United States.
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35
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Zheng C, Mao D, Xu Z, Zheng S. Strong Ru-CeO2 interaction boosts catalytic activity and stability of Ru supported on CeO2 nanocube for soot oxidation. J Catal 2022. [DOI: 10.1016/j.jcat.2022.04.030] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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36
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Towards the Efficient Catalytic Valorization of Chitin to N-Acylethanolamine over Ni/CeO2 Catalyst: Exploring the Shape-Selective Reactivity. Catalysts 2022. [DOI: 10.3390/catal12050460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Global warming and rising waste content collectively accelerate the development of renewable-derived ‘low-carbon’ chemical technologies. Among all abundant renewables, marine-/food-waste-derived chitin, the only nitrogen-containing sustainable biomass, contains the unique N-acetylglucosamine units, which could be synthetically manipulated to a plethora of organonitrogen chemicals. Herein, we report the efficient one-step catalytic valorization of chitin to N-acylethanolamine over cost-effective Ni/CeO2-based materials, which interestingly demonstrate shape-based reactivity based on CeO2 supports. In general, all three catalysts (Ni on cubic-, rod-, and polyhedral-shaped CeO2 supports) were active for this reaction, but they differed in their catalytic efficiency and time-monitored reaction profiles. Herein, Ni on cubic-shaped CeO2 delivered relatively better and stable catalytic performance, along with its rod-shaped counterpart, while the polyhedral CeO2-based material also delivered decent performance. Such interesting catalytic behavior has been corroborated by their physicochemical properties, as revealed by their characterization studies. Herein, to establish an appropriate structure-property-reactivity relationship, multimodal characterization techniques and control mechanistic experiments have been performed. This work demonstrates a concept to reduce the consumption of primary carbon resources and increase the utilization of secondary waste materials to facilitate a smooth transition from a linear economy (cf. cradle-to-grave model) to a circular economy (cf. cradle-to-cradle model).
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37
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Deng Y, Tian P, Liu S, He H, Wang Y, Ouyang L, Yuan S. Enhanced catalytic performance of atomically dispersed Pd on Pr-doped CeO 2 nanorod in CO oxidation. JOURNAL OF HAZARDOUS MATERIALS 2022; 426:127793. [PMID: 34839976 DOI: 10.1016/j.jhazmat.2021.127793] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 11/08/2021] [Accepted: 11/11/2021] [Indexed: 06/13/2023]
Abstract
Single-atom noble metal catalysts have been widely studied for catalytic oxidation of CO. Regulating the coordination environment of single metal atom site is an effective strategy to improve the intrinsic catalytic activity of single atom catalyst. In this work, single atom Pd catalyst supported on Pr-doped CeO2 nanorods was prepared, and the performance and nature of Pr-coordinated atomic Pd site in CO catalytic oxidation are systematically investigated. The structure characterization using AC-HAADF-STEM, EXAFS, XRD and Raman spectroscopy demonstrate the formation of single atom Pd site and abundant surface oxygen vacancies on the surface of Pr-doped CeO2 nanorod. With the combination of the XPS characterization and DFT calculations, the oxidation state of Pd on Pr-doped CeO2 nanorod is determined lower than that on CeO2 nanorod. The turnover frequency of CO oxidation is markedly increased from 8.4 × 10-3 to 31.9 × 10-3 s with Pr-doping at 130 ºC and GHSV of 70,000 h-1. Combined with kinetic studies, DRIFT and DFT calculations, the doped-Pr atoms reduced the formation energy of oxygen vacancies and generate more oxygen vacancies around the atomically dispersed Pd sites on the surface of cerium oxide, which reduces the dissociation energy of oxygen, thereby accelerating the reaction rate of CO oxidation.
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Affiliation(s)
- Yanbo Deng
- Low-carbon Technology & Chemical Reaction Engineering Lab, College of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Pengfei Tian
- Key Laboratory of Pressure Systems and Safety (Ministry of Education), School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai, China Key Laboratory of Pressure Systems and Safety (Ministry of Education), School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Shijie Liu
- Low-carbon Technology & Chemical Reaction Engineering Lab, College of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Huaqiang He
- Low-carbon Technology & Chemical Reaction Engineering Lab, College of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Yuan Wang
- Low-carbon Technology & Chemical Reaction Engineering Lab, College of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Like Ouyang
- Low-carbon Technology & Chemical Reaction Engineering Lab, College of Chemical Engineering, Sichuan University, Chengdu 610065, China.
| | - Shaojun Yuan
- Low-carbon Technology & Chemical Reaction Engineering Lab, College of Chemical Engineering, Sichuan University, Chengdu 610065, China.
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38
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Li G, Jang H, Liu S, Li Z, Kim MG, Qin Q, Liu X, Cho J. The synergistic effect of Hf-O-Ru bonds and oxygen vacancies in Ru/HfO2 for enhanced hydrogen evolution. Nat Commun 2022; 13:1270. [PMID: 35277494 PMCID: PMC8917135 DOI: 10.1038/s41467-022-28947-9] [Citation(s) in RCA: 48] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 02/15/2022] [Indexed: 11/09/2022] Open
Abstract
Ru nanoparticles have been demonstrated to be highly active electrocatalysts for the hydrogen evolution reaction (HER). At present, most of Ru nanoparticles-based HER electrocatalysts with high activity are supported by heteroatom-doped carbon substrates. Few metal oxides with large band gap (more than 5 eV) as the substrates of Ru nanoparticles are employed for the HER. By using large band gap metal oxides substrates, we can distinguish the contribution of Ru nanoparticles from the substrates. Here, a highly efficient Ru/HfO2 composite is developed by tuning numbers of Ru-O-Hf bonds and oxygen vacancies, resulting in a 20-fold enhancement in mass activity over commercial Pt/C in an alkaline medium. Density functional theory (DFT) calculations reveal that strong metal-support interaction via Ru-O-Hf bonds and the oxygen vacancies in the supported Ru samples synergistically lower the energy barrier for water dissociation to improve catalytic activities. Although ruthenium nanomaterials have proven to be effective catalysts for H2 evolution, there is still room for activity improvements. Here, authors develop an efficient Ru/HfO2 electrocatalyst with tuned Ru-O-Hf bonds and oxygen vacancies that shows high activities for alkaline H2 evolution.
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39
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Facile MOF-derived one-pot synthetic approach toward Ru single atoms, nanoclusters, and nanoparticles dispersed on CeO2 supports for enhanced ammonia synthesis. J Catal 2022. [DOI: 10.1016/j.jcat.2022.03.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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40
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Yang B, Wang Y, Li L, Gao B, Zhang L, Guo L. Probing the morphological effects of ReOx/CeO2 catalysts on the CO2 hydrogenation reaction. Catal Sci Technol 2022. [DOI: 10.1039/d1cy02096j] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The proposed reaction mechanism of different morphological CeO2 supported Re catalysts for CO2 hydrogenation.
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Affiliation(s)
- Bin Yang
- School of Chemistry and Material Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, 1 Sub-lane Xiangshan, Hangzhou 310024, China
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai 200050, China
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China
| | - Yifu Wang
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China
| | - Longtai Li
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China
| | - Biao Gao
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China
| | - Lingxia Zhang
- School of Chemistry and Material Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, 1 Sub-lane Xiangshan, Hangzhou 310024, China
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai 200050, China
| | - Limin Guo
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China
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41
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Guo Y, Ma L, Li Z, Liu Z, Chang H, Zhao X, Yan N. Specific reactivity of 4d and 5d transition metals supported over CeO 2 for ammonia oxidation. Catal Sci Technol 2022. [DOI: 10.1039/d2cy01380k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Pt/CeO2 catalysts were most active in selective catalytic oxidation of ammonia, where Pt triggered the activation of surface lattice oxygen, and the dehydrogenation of ammonia assisted by surface lattice oxygen was the rate-determining step.
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Affiliation(s)
- Yitong Guo
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Lei Ma
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Zihao Li
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Zhisong Liu
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Huazhen Chang
- School of Environment and Natural Resources, Renmin University of China, Beijing 100872, China
| | - Xiaoran Zhao
- Shanghai Key Laboratory of Advanced High-temperature Materials and Precision Forming, State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Naiqiang Yan
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
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42
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Qi X, He Y, Yao Y, Li Y, Zhang L, Geng M, Wei H, Chu H. Effect of CeO2 morphology on the catalytic properties of Au/CeO2 for base-free glucose oxidation. Catal Sci Technol 2022. [DOI: 10.1039/d1cy02078a] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The Au/R-CeO2 catalyst with strong metal–support interaction and abundant oxygen vacancies displays superior glucose oxidation performance, as compared with Au/C-CeO2 and Au/O-CeO2.
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Affiliation(s)
- Xingyue Qi
- College of Chemistry and Chemical Engineering, Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource Molecules, Inner Mongolia University, Hohhot 010021, China
| | - Yalin He
- College of Chemistry and Chemical Engineering, Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource Molecules, Inner Mongolia University, Hohhot 010021, China
| | - Yan Yao
- College of Chemistry and Chemical Engineering, Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource Molecules, Inner Mongolia University, Hohhot 010021, China
| | - Yiran Li
- College of Chemistry and Chemical Engineering, Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource Molecules, Inner Mongolia University, Hohhot 010021, China
| | - Lu Zhang
- College of Chemistry and Chemical Engineering, Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource Molecules, Inner Mongolia University, Hohhot 010021, China
| | - Miao Geng
- College of Chemistry and Chemical Engineering, Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource Molecules, Inner Mongolia University, Hohhot 010021, China
| | - Hang Wei
- College of Chemistry and Chemical Engineering, Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource Molecules, Inner Mongolia University, Hohhot 010021, China
| | - Haibin Chu
- College of Chemistry and Chemical Engineering, Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource Molecules, Inner Mongolia University, Hohhot 010021, China
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43
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Ji W, Wang N, Li Q, Zhu H, Lin K, Deng J, Chen J, Zhang H, Xing X. Oxygen vacancy distributions and electron localization in a CeO2(100) nanocube. Inorg Chem Front 2022. [DOI: 10.1039/d1qi01179k] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Oxygen vacancy distributions in a 5 nm CeO2 nanocube were determined using the Reverse Monte Carlo method. The oxygen vacancies tend to be located on the surface of the CeO2 nanocube, with far fewer in subsurface and internal regions.
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Affiliation(s)
- Weihua Ji
- Beijing Advanced Innovation Center for Materials Genome Engineering, Institute of Solid State Chemistry, University of Science and Technology Beijing, Beijing, 100083, China
| | - Na Wang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Institute of Solid State Chemistry, University of Science and Technology Beijing, Beijing, 100083, China
| | - Qiang Li
- Beijing Advanced Innovation Center for Materials Genome Engineering, Institute of Solid State Chemistry, University of Science and Technology Beijing, Beijing, 100083, China
| | - He Zhu
- Department of Physics, City University of Hong Kong, Hong Kong 999077, China
| | - Kun Lin
- Beijing Advanced Innovation Center for Materials Genome Engineering, Institute of Solid State Chemistry, University of Science and Technology Beijing, Beijing, 100083, China
| | - Jinxia Deng
- Beijing Advanced Innovation Center for Materials Genome Engineering, Institute of Solid State Chemistry, University of Science and Technology Beijing, Beijing, 100083, China
| | - Jun Chen
- Beijing Advanced Innovation Center for Materials Genome Engineering, Institute of Solid State Chemistry, University of Science and Technology Beijing, Beijing, 100083, China
| | - Hongjie Zhang
- State Key Laboratory of Rare Earth Resource Utilization Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
| | - Xianran Xing
- Beijing Advanced Innovation Center for Materials Genome Engineering, Institute of Solid State Chemistry, University of Science and Technology Beijing, Beijing, 100083, China
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44
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Liang Z, Yin L, Yin H, Yin Z, Du Y. Rare earth element based single-atom catalysts: synthesis, characterization and applications in photo/electro-catalytic reactions. NANOSCALE HORIZONS 2021; 7:31-40. [PMID: 34889341 DOI: 10.1039/d1nh00459j] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Rare earth elements play an important role in various fields, which has attracted increasing interest from the scientific community. Meanwhile, single-atom catalysts show huge advantages in many aspects compared with traditional nanomaterials due to their 100% atomic utilization efficiency. Thus, the combination of the two concepts has yielded an efficient way to realize the high-value utilization of rare earth elements. In this mini-review, rare earth-based single-atom catalysts including their synthesis methods, characterization means and corresponding applications are constructively summarized and discussed. In particular, the important roles of rare earth elements as active centers in photo/electrocatalytic reactions are focused on. Finally, future prospects are also provided.
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Affiliation(s)
- Zhong Liang
- Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin 300350, China.
| | - Leilei Yin
- Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin 300350, China.
| | - Hang Yin
- Research School of Chemistry, Australian National University, ACT 2601, Australia.
| | - Zongyou Yin
- Research School of Chemistry, Australian National University, ACT 2601, Australia.
| | - Yaping Du
- Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin 300350, China.
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45
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Liu X, Liu H, Li D, Ning G, Li X, Dong L, Li B. Activity Test and Mechanism Study of 3DOM Ce
0.8
M
0.1
Zr
0.1
O
2
(M=Cr, Sn, Fe, Co, Ni, Mn, Cu) Catalyst in the Selective Catalytic Reduction of NO by CO**. ChemCatChem 2021. [DOI: 10.1002/cctc.202101037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Xia Liu
- School of Chemistry and Chemical Engineering Guangxi University Nanning 530004 P. R. China
| | - Hao Liu
- School of Chemistry and Chemical Engineering Guangxi University Nanning 530004 P. R. China
| | - Danyang Li
- School of Chemistry and Chemical Engineering Guangxi University Nanning 530004 P. R. China
| | - Gangjie Ning
- School of Chemistry and Chemical Engineering Guangxi University Nanning 530004 P. R. China
| | - Xinxin Li
- School of Chemistry and Chemical Engineering Guangxi University Nanning 530004 P. R. China
| | - Lihui Dong
- School of Chemistry and Chemical Engineering Guangxi University Nanning 530004 P. R. China
| | - Bin Li
- School of Chemistry and Chemical Engineering Guangxi University Nanning 530004 P. R. China
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46
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Li Y, Zhang P, Xiong J, Wei Y, Chi H, Zhang Y, Lai K, Zhao Z, Deng J. Facilitating Catalytic Purification of Auto-Exhaust Carbon Particles via the Fe 2O 3{113} Facet-dependent Effect in Pt/Fe 2O 3 Catalysts. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:16153-16162. [PMID: 34797981 DOI: 10.1021/acs.est.1c05908] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The purification efficiency of auto-exhaust carbon particles in the catalytic aftertreatment system of vehicle exhaust is strongly dependent on the interface nanostructure between the noble metal component and oxide supports. Herein, we have elaborately synthesized the catalysts (Pt/Fe2O3-R) of Pt nanoparticles decorated on the hexagonal bipyramid α-Fe2O3 nanocrystals with co-exposed twelve {113} and six {104} facets. The area ratios (R) of co-exposed {113} to {104} facets in α-Fe2O3 nanocrystals were adjusted by the fluoride ion concentration in the hydrothermal method. The strong Pt-Fe2O3{113} facet interaction boosts the formation of coordination unsaturated ferric sites for enhancing adsorption/activation of O2 and NO. Pt/Fe2O3-R catalysts exhibited the Fe2O3{113} facet-dependent performance during catalytic purification of soot particles in the presence of H2O. Among the catalysts, the Pt/Fe2O3-19 catalyst exhibits the highest catalytic activities (T50 = 365 °C, TOF = 0.13 h-1), the lowest apparent activation energy (69 kJ mol-1), and excellent catalytic stability during soot purification. Combined with the results of characterizations and density functional theory calculations, the catalytic mechanism is proposed: the active sites located at the Pt-Fe2O3{113} interface can boost the key step of NO oxidation to NO2. The crystal facet engineering is an effective strategy to obtain efficient catalysts for soot purification in practical applications.
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Affiliation(s)
- Yuanfeng Li
- State Key Laboratory of Heavy Oil Processing, Key Laboratory of Optical Detection Technology for Oil and Gas, China University of Petroleum, Beijing 102249, P. R. China
| | - Peng Zhang
- State Key Laboratory of Heavy Oil Processing, Key Laboratory of Optical Detection Technology for Oil and Gas, China University of Petroleum, Beijing 102249, P. R. China
| | - Jing Xiong
- State Key Laboratory of Heavy Oil Processing, Key Laboratory of Optical Detection Technology for Oil and Gas, China University of Petroleum, Beijing 102249, P. R. China
| | - Yuechang Wei
- State Key Laboratory of Heavy Oil Processing, Key Laboratory of Optical Detection Technology for Oil and Gas, China University of Petroleum, Beijing 102249, P. R. China
| | - Hongjie Chi
- State Key Laboratory of Heavy Oil Processing, Key Laboratory of Optical Detection Technology for Oil and Gas, China University of Petroleum, Beijing 102249, P. R. China
| | - Yilin Zhang
- State Key Laboratory of Heavy Oil Processing, Key Laboratory of Optical Detection Technology for Oil and Gas, China University of Petroleum, Beijing 102249, P. R. China
| | - Kezhen Lai
- State Key Laboratory of Heavy Oil Processing, Key Laboratory of Optical Detection Technology for Oil and Gas, China University of Petroleum, Beijing 102249, P. R. China
| | - Zhen Zhao
- State Key Laboratory of Heavy Oil Processing, Key Laboratory of Optical Detection Technology for Oil and Gas, China University of Petroleum, Beijing 102249, P. R. China
| | - Jiguang Deng
- Key Laboratory of Beijing on Regional Air Pollution Control, Beijing Key Laboratory for Green Catalysis and Separation, Beijing University of Technology, Beijing 100124, China
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47
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Dong C, Zhou Y, Ta N, Liu W, Li M, Shen W. Shape impact of nanostructured ceria on the dispersion of Pd species. CHINESE JOURNAL OF CATALYSIS 2021. [DOI: 10.1016/s1872-2067(20)63725-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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48
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Ru
0.05
Ce
0.95
O
2
Solid Solution Derived Ru Catalyst Enables Selective Hydrodeoxygenation of m‐Cresol to Toluene. ChemCatChem 2021. [DOI: 10.1002/cctc.202101239] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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49
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Kim Y, Kang S, Kang D, Lee KR, Song CK, Sung J, Kim JS, Lee H, Park J, Yi J. Single‐Phase Formation of Rh
2
O
3
Nanoparticles on h‐BN Support for Highly Controlled Methane Partial Oxidation to Syngas. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202110292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Younhwa Kim
- School of Chemical and Biological Engineering, and Institute of Chemical Processes Seoul National University Seoul 08826 Republic of Korea
| | - Sungsu Kang
- School of Chemical and Biological Engineering, and Institute of Chemical Processes Seoul National University Seoul 08826 Republic of Korea
- Center for Nanoparticle Research Institute of Basic Science (IBS) Seoul 08826 Republic of Korea
| | - Dohun Kang
- School of Chemical and Biological Engineering, and Institute of Chemical Processes Seoul National University Seoul 08826 Republic of Korea
| | - Kyung Rok Lee
- School of Chemical and Biological Engineering, and Institute of Chemical Processes Seoul National University Seoul 08826 Republic of Korea
| | - Chyan Kyung Song
- School of Chemical and Biological Engineering, and Institute of Chemical Processes Seoul National University Seoul 08826 Republic of Korea
| | - Jongbaek Sung
- School of Chemical and Biological Engineering, and Institute of Chemical Processes Seoul National University Seoul 08826 Republic of Korea
| | - Ji Soo Kim
- School of Chemical and Biological Engineering, and Institute of Chemical Processes Seoul National University Seoul 08826 Republic of Korea
| | - Hyunjoo Lee
- Department of Chemical and Biomolecular Engineering Korea Advanced Institute of Science and Technology Daejeon 305-701 Republic of Korea
| | - Jungwon Park
- School of Chemical and Biological Engineering, and Institute of Chemical Processes Seoul National University Seoul 08826 Republic of Korea
- Center for Nanoparticle Research Institute of Basic Science (IBS) Seoul 08826 Republic of Korea
| | - Jongheop Yi
- School of Chemical and Biological Engineering, and Institute of Chemical Processes Seoul National University Seoul 08826 Republic of Korea
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50
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The Study on the Active Site Regulated RuOx/Sn0.2Ti0.8O2 Catalysts with Different Ru Precursors for the Catalytic Oxidation of Dichloromethane. Catalysts 2021. [DOI: 10.3390/catal11111306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Chlorine-containing volatile organic compounds (CVOCs) present in industrial exhaust gas can cause great harm to the human body and the environment. In order to further study the catalytic oxidation of CVOCs, an active site regulated RuOx/Sn0.2Ti0.8O2 catalyst with different Ru precursors was developed. With Dichloromethane as the model molecule, the activity test results showed that the optimization of Ru precursor using Ru colloid significantly increased the activity of the catalyst (T90 was reduced by about 90 °C when the Ru loading was 1 wt%). The analysis of characterization results showed that the improvement of the catalytic performance was mainly due to the improvement of the active species dispersion (the size of Ru cluster was reduced from 3–4 nm to about 1.3 nm) and the enhancement of the interaction between the active species and the support. The utilization efficiency of the active components was improved by nearly doubling TOF value, and the overall oxidation performance of the catalyst was also enhanced. The relationship between the Ru loading and the catalytic activity of the catalyst was also studied to better determine the optimal Ru loading. It could be found that with the increase in Ru loading, the dispersibility of RuOx species on the catalyst surface gradually decreased, despite the increase in their total amount. The combined influence of these two effects led to little change in the catalytic activity of the catalyst at first, and then a significant increase. Therefore, this research is meaningful for the efficient treatment of CVOCs and further reducing the content of active components in the catalysts.
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