1
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Tang S, Zhang Z, Xu L, Qin H, Dong J, Lv Q, Han J, Song F. Ultrafine nickel-rhodium nanoparticles anchored on two-dimensional vanadium carbide for high performance hydrous hydrazine decomposition at mild conditions. J Colloid Interface Sci 2024; 669:228-235. [PMID: 38713961 DOI: 10.1016/j.jcis.2024.04.204] [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: 02/15/2024] [Revised: 04/14/2024] [Accepted: 04/28/2024] [Indexed: 05/09/2024]
Abstract
The development of heterogeneous supported nanocatalysts with a high kinetics combined with low cost is off importance but remains still challenged for hydrazine hydrate served as a promising hydrogen storage material. Herein, by virtue of surficial functional groups, ultrafine NiRh NPs were monodispersed on the two-dimensional V2C surface via a conventional wet chemical co-reduction. The optimized NiRh/V2C system demonstrates an excellent catalytic performance toward selectively catalyzing dehydrogenation of hydrazine hydrate, affording 100% H2 selectivity with the turnover frequency (TOF) value of 987.5 h-1 at 323 K. Such an enhancement is mainly attributed to synergistic effect of nanosystem, which will optimize local surface energy and promote electron transfer in NiRh/V2C system, thereby improving the kinetic selectivity of catalytic hydrazine hydrate decomposition. This work has provided a facile strategy for developing nanocatalysts with high kinetics that could enable huge industrial applications in the future.
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Affiliation(s)
- Siyuan Tang
- Institute for Advanced Materials, School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Zhipeng Zhang
- Institute for Advanced Materials, School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Linlin Xu
- Qingdao Hengxing University of Science and Technology, Qingdao 266000, China.
| | - Haotian Qin
- Institute for Advanced Materials, School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Jianling Dong
- Institute for Advanced Materials, School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Quanjiang Lv
- Institute for Advanced Materials, School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
| | - Jian Han
- Department of Chemistry, The Pennsylvania State University, University park, PA 16802, USA
| | - Fuzhan Song
- Institute for Advanced Materials, School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
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2
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Li X, Tong W, Shi J, Zhang X, Chen Y, Liu X, Zhang Y. Contact-Electro-Catalysis Through Electret Behavior to Facilitate Electron Transfer. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 39102282 DOI: 10.1021/acsami.4c09206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/06/2024]
Abstract
Contact-electro-catalysis (CEC) usually uses polymer dielectrics as its catalysts under mechanical stimulation conditions, which although has a decent catalytic dye degradation effect still warrants performance improvement. A carrier separation promotion strategy based on an internal electric field by polarization can effectively improve ferroelectric material performance in photocatalysis and piezocatalysis. Therefore, carrier separation as a necessary process of CEC also can be promoted and is largely expected to improve CEC performance theoretically. However, the carrier separation enhancement by the internal electric field strategy has not been achieved in the CEC experiment yet, because of the difficulty of building an internal electric field in an inert polymer dielectric. Herein, a polytetrafluoroethylene (PTFE) dielectric was charged through an electret process, which was believed to establish an internal electric field for CEC catalysts proved by KPFM, XPS, and triboelectric nanogenerator voltage output analysis. The fastest degradation rate of methyl orange reached over 90% at 1.5 h, while the hydroxyl free radical (•OH) yield of the PTFE electret was nearly three times that of the original PTFE. Density functional theory (DFT) calculations verified that the potential barrier of interatomic electron transfer between PTFE and H2O was reduced by 37% under the internal electric field. The electret strategy used herein to optimize the PTFE catalyst provides a base for the use of other general plastics in CEC and facilitates the production of easily prepared, easily recyclable, and inexpensive polymer dielectric catalysts that can promote large-scale pollutant degradation via CEC.
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Affiliation(s)
- Xinnan Li
- Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing 100083, China
| | - Wangshu Tong
- Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing 100083, China
| | - Jing Shi
- Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing 100083, China
| | - Xinyue Zhang
- Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing 100083, China
| | - Yunfan Chen
- Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing 100083, China
| | - Xulin Liu
- Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing 100083, China
| | - Yihe Zhang
- Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing 100083, China
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3
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Wang Q, Cheng Y, Yang HB, Su C, Liu B. Integrative catalytic pairs for efficient multi-intermediate catalysis. NATURE NANOTECHNOLOGY 2024:10.1038/s41565-024-01716-z. [PMID: 39103451 DOI: 10.1038/s41565-024-01716-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 06/06/2024] [Indexed: 08/07/2024]
Abstract
Single-atom catalysts (SACs) have attracted considerable research interest owing to their combined merits of homogeneous and heterogeneous catalysts. However, the uniform and isolated active sites of SACs fall short in catalysing complex chemical processes that simultaneously involve multiple intermediates. In this Review, we highlight an emerging class of catalysts with adjacent binary active centres, which is called integrative catalytic pairs (ICPs), showing not only atomic-scale site-to-site electronic interactions but also synergistic catalytic effects. Compared with SACs or their derivative dual-atom catalysts (DACs), multi-interactive intermediates on ICPs can overcome kinetic barriers, adjust reaction pathways and break the universal linear scaling relations as the smallest active units. Starting from this active-site design principle, each single active atom can be considered as a brick to further build integrative catalytic clusters (ICCs) with desirable configurations, towards trimer or even larger multi-atom units depending on the requirement of a given reaction.
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Affiliation(s)
- Qilun Wang
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong SAR, China
- International Collaboration Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, China
| | - Yaqi Cheng
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong SAR, China
| | - Hong Bin Yang
- School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou, China.
| | - Chenliang Su
- International Collaboration Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, China.
| | - Bin Liu
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong SAR, China.
- Department of Chemistry, Hong Kong Institute of Clean Energy (HKICE) and Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong, Hong Kong SAR, China.
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4
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Wu H, Yu H, Chow YL, Webley PA, Zhang J. Toward Durable CO 2 Electroreduction with Cu-Based Catalysts via Understanding Their Deactivation Modes. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2403217. [PMID: 38845132 DOI: 10.1002/adma.202403217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Revised: 05/23/2024] [Indexed: 06/18/2024]
Abstract
The technology of CO2 electrochemical reduction (CO2ER) provides a means to convert CO2, a waste greenhouse gas, into value-added chemicals. Copper is the most studied element that is capable of catalyzing CO2ER to obtain multicarbon products, such as ethylene, ethanol, acetate, etc., at an appreciable rate. Under the operating condition of CO2ER, the catalytic performance of Cu decays because of several factors that alters the surface properties of Cu. In this review, these factors that cause the degradation of Cu-based CO2ER catalysts are categorized into generalized deactivation modes, that are applicable to all electrocatalytic systems. The fundamental principles of each deactivation mode and the associated effects of each on Cu-based catalysts are discussed in detail. Structure- and composition-activity relationship developed from recent in situ/operando characterization studies are presented as evidence of related deactivation modes in operation. With the aim to address these deactivation modes, catalyst design and reaction environment engineering rationales are suggested. Finally, perspectives and remarks built upon the recent advances in CO2ER are provided in attempts to improve the durability of CO2ER catalysts.
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Affiliation(s)
- Hsiwen Wu
- School of Chemistry, Monash University, Clayton, VIC, 3800, Australia
| | - Haoming Yu
- School of Chemistry, Monash University, Clayton, VIC, 3800, Australia
- Chemistry and Chemical Engineering School, Nanchang University, Nanchang, 330031, China
| | - Yuen-Leong Chow
- School of Chemistry, Monash University, Clayton, VIC, 3800, Australia
- Department of Chemical and Biological Engineering, Monash University, Clayton, VIC, 3800, Australia
| | - Paul A Webley
- Department of Chemical and Biological Engineering, Monash University, Clayton, VIC, 3800, Australia
- ARC Research Hub for Carbon Utilisation and Recycling, Monash University, Clayton, VIC, 3800, Australia
| | - Jie Zhang
- School of Chemistry, Monash University, Clayton, VIC, 3800, Australia
- Department of Chemical and Biological Engineering, Monash University, Clayton, VIC, 3800, Australia
- ARC Research Hub for Carbon Utilisation and Recycling, Monash University, Clayton, VIC, 3800, Australia
- ARC Centre of Excellence for Green Electrochemical Transformation of Carbon Dioxide, Monash University, Clayton, VIC, 3800, Australia
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5
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Tyczkowski J, Kierzkowska-Pawlak H. Classical Concept of Semiconductor Heterojunctions in the Approach to Nanohybrid Catalysts. ACS APPLIED MATERIALS & INTERFACES 2024; 16:37339-37345. [PMID: 38990081 DOI: 10.1021/acsami.4c08595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/12/2024]
Abstract
Recalling the well-established theory of heterojunction formation between two different semiconductors or a semiconductor and a metal can elucidate the remarkable catalytic properties of nanohybrid systems employed in thermal catalysis. Upon the creation of heterojunctions, involved nanoparticles or nanometer-sized thin films, as a result of their dimensions, may become entirely filled with space charges generated from the development of depletion or accumulation regions. This phenomenon dictates the nature of catalytic sites and consequently affects the catalytic activity of such nanohybrids. The following perspective presents this concept and examples of experimental results that substantiate its validity, along with an extremely effective tool, cold plasma deposition, for designing and realizing in a controlled manner the structure of nanohybrids with heterojunctions. This approach will undoubtedly broaden the view of the contemporary "alchemy" of nanocatalysts.
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Affiliation(s)
- Jacek Tyczkowski
- Department of Molecular Engineering, Faculty of Process and Environmental Engineering, Lodz University of Technology, Wolczanska 213, 93-005 Lodz, Poland
| | - Hanna Kierzkowska-Pawlak
- Department of Molecular Engineering, Faculty of Process and Environmental Engineering, Lodz University of Technology, Wolczanska 213, 93-005 Lodz, Poland
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6
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Jia G, Zhang Y, Yu JC, Guo Z. Asymmetric Atomic Dual-Sites for Photocatalytic CO 2 Reduction. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2403153. [PMID: 39039977 DOI: 10.1002/adma.202403153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 06/25/2024] [Indexed: 07/24/2024]
Abstract
Atomically dispersed active sites in a photocatalyst offer unique advantages such as locally tuned electronic structures, quantum size effects, and maximum utilization of atomic species. Among these, asymmetric atomic dual-sites are of particular interest because their asymmetric charge distribution generates a local built-in electric potential to enhance charge separation and transfer. Moreover, the dual sites provide flexibility for tuning complex multielectron and multireaction pathways, such as CO2 reduction reactions. The coordination of dual sites opens new possibilities for engineering the structure-activity-selectivity relationship. This comprehensive overview discusses efficient and sustainable photocatalysis processes in photocatalytic CO2 reduction, focusing on strategic active-site design and future challenges. It serves as a timely reference for the design and development of photocatalytic conversion processes, specifically exploring the utilization of asymmetric atomic dual-sites for complex photocatalytic conversion pathways, here exemplified by the conversion of CO2 into valuable chemicals.
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Affiliation(s)
- Guangri Jia
- Department of Chemistry and HKU-CAS Joint Laboratory on New Materials, The University of Hong Kong, Hong Kong SAR, 999077, P. R. China
| | - Yingchuan Zhang
- Department of Chemistry and HKU-CAS Joint Laboratory on New Materials, The University of Hong Kong, Hong Kong SAR, 999077, P. R. China
| | - Jimmy C Yu
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, 999077, P. R. China
| | - Zhengxiao Guo
- Department of Chemistry and HKU-CAS Joint Laboratory on New Materials, The University of Hong Kong, Hong Kong SAR, 999077, P. R. China
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7
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Clarke TB, Krushinski LE, Vannoy KJ, Colón-Quintana G, Roy K, Rana A, Renault C, Hill ML, Dick JE. Single Entity Electrocatalysis. Chem Rev 2024. [PMID: 39018111 DOI: 10.1021/acs.chemrev.3c00723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/19/2024]
Abstract
Making a measurement over millions of nanoparticles or exposed crystal facets seldom reports on reactivity of a single nanoparticle or facet, which may depart drastically from ensemble measurements. Within the past 30 years, science has moved toward studying the reactivity of single atoms, molecules, and nanoparticles, one at a time. This shift has been fueled by the realization that everything changes at the nanoscale, especially important industrially relevant properties like those important to electrocatalysis. Studying single nanoscale entities, however, is not trivial and has required the development of new measurement tools. This review explores a tale of the clever use of old and new measurement tools to study electrocatalysis at the single entity level. We explore in detail the complex interrelationship between measurement method, electrocatalytic material, and reaction of interest (e.g., carbon dioxide reduction, oxygen reduction, hydrazine oxidation, etc.). We end with our perspective on the future of single entity electrocatalysis with a key focus on what types of measurements present the greatest opportunity for fundamental discovery.
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Affiliation(s)
- Thomas B Clarke
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - Lynn E Krushinski
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - Kathryn J Vannoy
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | | | - Kingshuk Roy
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - Ashutosh Rana
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - Christophe Renault
- Department of Chemistry and Biochemistry, Loyola University Chicago, Chicago, Illinois 60660, United States
| | - Megan L Hill
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - Jeffrey E Dick
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
- Elmore Family School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana 47907, United States
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8
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Hershey M, Lu G, North JD, Swearer DF. Mie Resonant Metal Oxide Nanospheres for Broadband Photocatalytic Enhancements. ACS NANO 2024; 18:18493-18502. [PMID: 38959059 DOI: 10.1021/acsnano.4c03913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
Abstract
Metal oxides are widely used in heterogeneous catalysis as supports to disperse catalytically active nanoparticles, isolated atomic sites, or even as catalysts themselves. Herein, we present a method to produce optically active metal oxide supports that exhibit size-dependent Mie resonances based on TiO2 nanospheres with tunable size, crystalline phase composition, and optical properties. Mie resonant TiO2 nanospheres were used as supports to disperse Au, Pt, and Pd nanoparticles. We have found up to a 50-fold enhancement of the electric field at the metal oxide/metal interface corresponding to wavelength-dependent multipolar resonances in the TiO2 structure. Using Au/TiO2 as a prototypical photocatalyst, we demonstrate broadband rate enhancements between 400 and 800 nm during CO oxidation, with a noticeable increase below 500 nm. This increased reactivity at higher photon energies is due to improved photon utilization and interband absorption in the gold that results in greater secondary electron generation through electron-electron scattering processes, thus leading to higher rates in conjunction with the Mie scattering TiO2 support. This study not only highlights the potential of Mie resonant TiO2 in broadband photocatalytic enhancements but also for developing various Mie resonant metal oxide supports, such as ZnO or Cu2O, which can improve photocatalytic performance for a number of critical reactions. As the chemical and energy industries move toward conversion technologies driven by renewable energy sources, the strategy of designing optical resonances into oxide supports that are already widely used could enable a straightforward adaptation of photochemical processing based on traditional heterogeneous catalysts.
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Affiliation(s)
- Matthew Hershey
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Guanyu Lu
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - Jamie D North
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Dayne F Swearer
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois 60208, United States
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9
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Tang M, Li S, Zhu B, You R, Yu L, Ou Y, Yuan W, Xu Q, Yang H, Wales DJ, Zhang Z, Gao Y, Wang Y. Oscillatory Active State of a Pd Nanocatalyst Identified by In Situ Capture of the Instantaneous Structure-Activity Change at the Atomic Scale. J Am Chem Soc 2024; 146:18341-18349. [PMID: 38942067 DOI: 10.1021/jacs.4c02830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/30/2024]
Abstract
Identifying the active phase with the highest activity, which is long-believed to be a steady state of the catalyst, is the basis of rational design of heterogeneous catalysis. In this work, we performed detailed in situ investigations, successfully capturing the instantaneous structure-activity change in oscillating Pd nanocatalysts during methane oxidation, which reveals an unprecedented oscillatory active state. Combining in situ quantitative environmental transmission electron microscopy and highly sensitive online mass spectrometry, we identified two distinct phases for the reaction: one where the Pd nanoparticles refill with oxygen, and the other, a period of abrupt pumping of oxygen and boosted methane oxidation within about 1 s. It is the rapid reduction process that shows the highest activity for total oxidation of methane, not a PdO or Pd steady state under the conditions applied here (methane:oxygen = 5:1). This observation challenges the traditional understanding of the active phase and requires a completely different strategy for catalyst optimization.
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Affiliation(s)
- Min Tang
- State Key Laboratory of Silicon and Advanced Semiconductor Materials and Center of Electron Microscopy, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Songda Li
- State Key Laboratory of Silicon and Advanced Semiconductor Materials and Center of Electron Microscopy, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Beien Zhu
- Phonon Science Research Center for Carbon Dioxide, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China
| | - Ruiyang You
- State Key Laboratory of Silicon and Advanced Semiconductor Materials and Center of Electron Microscopy, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Linjiang Yu
- State Key Laboratory of Silicon and Advanced Semiconductor Materials and Center of Electron Microscopy, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Yang Ou
- State Key Laboratory of Silicon and Advanced Semiconductor Materials and Center of Electron Microscopy, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Wentao Yuan
- State Key Laboratory of Silicon and Advanced Semiconductor Materials and Center of Electron Microscopy, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Qiang Xu
- DENSsolutions, Delft 2628 ZD, Netherlands
- Guangzhou Laboratory, Guangzhou 510220, China
| | - Hangsheng Yang
- State Key Laboratory of Silicon and Advanced Semiconductor Materials and Center of Electron Microscopy, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030032, China
| | - David J Wales
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, U.K
| | - Ze Zhang
- State Key Laboratory of Silicon and Advanced Semiconductor Materials and Center of Electron Microscopy, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Yi Gao
- Phonon Science Research Center for Carbon Dioxide, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China
| | - Yong Wang
- State Key Laboratory of Silicon and Advanced Semiconductor Materials and Center of Electron Microscopy, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
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10
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Chowdhury S, Sharma A, Das PP, Rathi P, Siril PF. Fine-tuning covalent organic frameworks for structure-activity correlation via adsorption and catalytic studies. J Colloid Interface Sci 2024; 665:988-998. [PMID: 38574587 DOI: 10.1016/j.jcis.2024.03.077] [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: 12/28/2023] [Revised: 02/29/2024] [Accepted: 03/10/2024] [Indexed: 04/06/2024]
Abstract
In applications utilizing Covalent Organic Frameworks (COFs) for adsorption, the interplay between crystallinity (vis-à-vis surface area) and active sites still remains ambiguous. To address this, the present study introduces three isoreticular COFs-COP-N18 (covalent organic polymer with short-range order), COF-N18 (COF having long-range order), and COF-N27 (semicrystalline COF with pyridyl heteroatoms)-to explore this duality. Through systematic variations in structural order, pore volume, and pore-wall nitrogen content, we aim to establish a structure-activity relationship (SAR) for these COFs via adsorption and catalysis, using CO2 and I2 as probes. Our investigation highlights the positive influence of crystallinity, surface area, and pore volume in adsorption as well as catalysis. However, the presence of heteroatoms manifests complex behavior in CO2 adsorption and CO2 cycloaddition reactions with epoxides. COF-N18 and COF-N27 showed comparable CO2 uptake capacities at different temperatures (273, 293, and 313 K) and ∼1 bar pressure. Additionally, CO2 cycloaddition reactions were performed with substrates possessing different polarities (epichlorohydrin, 1,2-epoxydodecane) to elucidate the role of COF surface polarity. Further investigation into iodine adsorption was performed to understand the impact of COF structural features on the modes of adsorption and adsorption kinetics. Improvements in COF-crystallinity results in faster average iodine uptake rate at 80% (K80% = 1.79 g/h) by COF-N18. Whereas, heteroatom doping slows down iodine adsorption kinetics (0.35 g/h) by prolonging the adsorption process up to 72 h. Overall, this study advances our understanding of COFs as adsorbents and catalysts, providing key insights into their SAR while emphasizing structural fine-tuning as a key factor for impactful environmental applications.
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Affiliation(s)
- Sumanta Chowdhury
- School of Chemical Sciences and Advanced Materials Research Centre, Indian Institute of Technology Mandi, Mandi-175005, Himachal Pradesh, India.
| | - Abhishek Sharma
- School of Physics and CRANN Institute, Trinity College Dublin, Dublin 2, Ireland
| | - Partha Pratim Das
- Department of Chemistry, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Preeti Rathi
- School of Biosciences and Bioengineering, Indian Institute of Technology Mandi, Mandi-175005, Himachal Pradesh, India
| | - Prem Felix Siril
- School of Chemical Sciences and Advanced Materials Research Centre, Indian Institute of Technology Mandi, Mandi-175005, Himachal Pradesh, India.
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11
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Kephart J, Zhou DY, Sandwisch J, Cajiao N, Krajewski SM, Malinowski P, Chu JH, Neidig ML, Kaminsky W, Velian A. Caught in the Act of Substitution: Interadsorbate Effects on an Atomically Precise Fe/Co/Se Nanocluster. ACS CENTRAL SCIENCE 2024; 10:1276-1282. [PMID: 38947197 PMCID: PMC11212139 DOI: 10.1021/acscentsci.4c00210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 05/20/2024] [Accepted: 05/21/2024] [Indexed: 07/02/2024]
Abstract
Directing groups guide substitution patterns in organic synthetic schemes, but little is known about pathways to control reactivity patterns, such as regioselectivity, in complex inorganic systems such as bioinorganic cofactors or extended surfaces. Interadsorbate effects are known to encode surface reactivity patterns in inorganic materials, modulating the location and binding strength of ligands. However, owing to limited experimental resolution into complex inorganic structures, there is little opportunity to resolve these effects on the atomic scale. Here, we utilize an atomically precise Fe/Co/Se nanocluster platform, [Fe3(L)2Co6Se8L'6]+ ([1(L)2]+; L = CN t Bu, THF; L' = Ph2PN(-)Tol), in which allosteric interadsorbate effects give rise to pronounced site-differentiation. Using a combination of spectroscopic techniques and single-crystal X-ray diffractometry, we discover that coordination of THF at the ligand-free Fe site in [1(CN t Bu)2]+ sets off a domino effect wherein allosteric through-cluster interactions promote the regioselective dissociation of CN t Bu at a neighboring Fe site. Computational analysis reveals that this active site correlation is a result of delocalized Fe···Se···Co···Se covalent interactions that intertwine edge sites on the same cluster face. This study provides an unprecedented atom-scale glimpse into how interfacial metal-support interactions mediate a collective and regiospecific path for substrate exchange across multiple active sites.
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Affiliation(s)
- Jonathan
A. Kephart
- Department
of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Daniel Y. Zhou
- Department
of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Jason Sandwisch
- Department
of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Nathalia Cajiao
- Department
of Chemistry, University of Rochester, Rochester, New York 14627, United States
| | - Sebastian M. Krajewski
- Department
of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Paul Malinowski
- Department
of Physics, University of Washington, Seattle, Washington 98195, United States
| | - Jiun-Haw Chu
- Department
of Physics, University of Washington, Seattle, Washington 98195, United States
| | - Michael L. Neidig
- Inorganic
Chemistry Laboratory, Department of Chemistry, University of Oxford, South Parks Road, Oxford OX1 3QR, United Kingdom
| | - Werner Kaminsky
- Department
of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Alexandra Velian
- Department
of Chemistry, University of Washington, Seattle, Washington 98195, United States
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12
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Cheng L, Wu Q, Sun H, Tang Y, Xiang Q. Toward Functionality and Deactivation of Metal-Single-Atom in Heterogeneous Photocatalysts. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2406807. [PMID: 38923045 DOI: 10.1002/adma.202406807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 06/15/2024] [Indexed: 06/28/2024]
Abstract
Single-atom heterogeneous catalysts (SAHCs) provide an enticing platform for understanding catalyst structure-property-performance relationships. The 100% atom utilization and adjustable local coordination configurations make it easy to probe reaction mechanisms at the atomic level. However, the progressive deactivation of metal-single-atom (MSA) with high surface energy leads to frequent limitations on their commercial viability. This review focuses on the atomistic-sensitive reactivity and atomistic-progressive deactivation of MSA to provide a unifying framework for specific functionality and potential deactivation drivers of MSA, thereby bridging function, purpose-modification structure-performance insights with the atomistic-progressive deactivation for sustainable structure-property-performance accessibility. The dominant functionalization of atomically precise MSA acting on properties and reactivity encompassing precise photocatalytic reactions is first systematically explored. Afterward, a detailed analysis of various deactivation modes of MSA and strategies to enhance their durability is presented, providing valuable insights into the design of SAHCs with deactivation-resistant stability. Finally, the remaining challenges and future perspectives of SAHCs toward industrialization, anticipating shedding some light on the next stage of atom-economic chemical/energy transformations are presented.
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Affiliation(s)
- Lei Cheng
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China
| | - Qiaolin Wu
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China
| | - Hanjun Sun
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China
| | - Yawen Tang
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China
| | - Quanjun Xiang
- State Key Laboratory of Electronic Thin Film and Integrated Devices, School of Electronic Science and Engineering, University of Electronic Science and Technology of China Chengdu, Sichuan, 610054, P. R. China
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13
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Wang Y, Jiao T, Zhang P, Hou W, Li Z, Dong C, Zhang W, Zhang L. Efficient degradation of tetracycline via peroxymonosulfate activation by phosphorus-doped biochar loaded with cobalt nanoparticles. Dalton Trans 2024; 53:10189-10200. [PMID: 38819397 DOI: 10.1039/d4dt00758a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2024]
Abstract
The accumulation of tetracycline hydrochloride (TCH) threatens human health because of its potential biological toxicity. Carbon -based materials with easy isolation and excellent performance that can activate peroxymonosulfate (PMS) to generate reactive oxygen species for TCH degradation are essential, but the development of such materials remains a significant challenge. In this study, based on the idea of treating waste, tricobalt tetraoxide loaded P-doped biochar (Co NP-PBC) was synthesised to activate PMS for the degradation of TCH. Possible degradation pathways and intermediate products of TCH were identified using High performance liquid chromatography tandem mass spectrometry (HPLC-MS) detection and density functional theory analysis. Toxicity analysis software was used to predict the toxicity of the intermediate products. Compared to catalysts loaded with Fe and Mn and other Co-based catalysts, Co NP-PBC exhibited an optimal performance (with a kinetic constant of 0.157 min-1 for TCH degradation), and over 99.0% of TCH can be degraded within 20 min. This mechanism demonstrates that the non-free radical oxidation of 1O2 plays a major role in the degradation of TCH. This study provides insights into the purification of wastewater using BC-based catalysts.
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Affiliation(s)
- Yunpeng Wang
- Institute of Environmental Science, School of Environmental and Resources Sciences, Shanxi University, 030006, China.
| | - Ting Jiao
- Institute of Environmental Science, School of Environmental and Resources Sciences, Shanxi University, 030006, China.
| | - Peng Zhang
- Institute of Environmental Science, School of Environmental and Resources Sciences, Shanxi University, 030006, China.
| | - Wanyi Hou
- Institute of Environmental Science, School of Environmental and Resources Sciences, Shanxi University, 030006, China.
| | - Zhongping Li
- Institute of Environmental Science, School of Environmental and Resources Sciences, Shanxi University, 030006, China.
- Shanxi Laboratory for Yellow River, Taiyuan 030006, China
| | - Chuan Dong
- Institute of Environmental Science, School of Environmental and Resources Sciences, Shanxi University, 030006, China.
- Shanxi Laboratory for Yellow River, Taiyuan 030006, China
| | - Wanying Zhang
- School of chemistry and materials science, Shanxi Normal University, Taiyuan 030031, China
| | - Lei Zhang
- Department of Biology, Xinzhou Normal University, Xinzhou 034000, China
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Song X, Yang Q, Chen Z, Zou K, Xie Z, Ding W, Wei Z. Enhancement of Catalytic Activity via Inevitable Reconstruction of the Ni-Mo Interface for Alkaline Hydrogen Oxidation. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2402701. [PMID: 38874085 DOI: 10.1002/smll.202402701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 05/25/2024] [Indexed: 06/15/2024]
Abstract
The inevitable oxidation of nickel-metal-based catalysts exposed to the air will lead to instability and poor reproducibility of a catalytic interface, which is usually ignored and greatly hinders their application for the catalysis of alkaline hydrogen oxidation. The details on the formation of a world-class nickel-based HOR catalyst Ni3-MoOx/C-500 are reported via an interfacial reconstruction triggered by passive oxidation upon air exposure. Interfacial reconstruction, initiated with various Ni-Mo metal ratios and annealing temperature, can fine-tune the Ni-Mo interface with an increased work function and a reduced d-band center. The optimized Ni3-MoOx/C exhibits a record high mass activity of 102.8 mA mgNi -1, a top-level exchange current density of 76.5 µA cmNi -2, and exceptional resistance to CO poisoning at 1000 ppm CO for hours. The catalyzed alkaline exchange membrane fuel cell exhibits a maximum power output of 600 mW cm-2 and excellent stability, ranking it as one of the most active non-precious metals HOR catalysts to date.
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Affiliation(s)
- Xiaoyun Song
- State Key Laboratory of Advanced Chemical Power Sources (SKL-ACPS), School of Chemistry and Chemical Engineering, Center of Advanced Electrochemical Energy (CAEE), Institute of Advanced Interdisciplinary Studies, Chongqing University, Chongqing, 400044, China
| | - Qimei Yang
- State Key Laboratory of Advanced Chemical Power Sources (SKL-ACPS), School of Chemistry and Chemical Engineering, Center of Advanced Electrochemical Energy (CAEE), Institute of Advanced Interdisciplinary Studies, Chongqing University, Chongqing, 400044, China
| | - Zebi Chen
- State Key Laboratory of Advanced Chemical Power Sources (SKL-ACPS), School of Chemistry and Chemical Engineering, Center of Advanced Electrochemical Energy (CAEE), Institute of Advanced Interdisciplinary Studies, Chongqing University, Chongqing, 400044, China
| | - Kaisheng Zou
- State Key Laboratory of Advanced Chemical Power Sources (SKL-ACPS), School of Chemistry and Chemical Engineering, Center of Advanced Electrochemical Energy (CAEE), Institute of Advanced Interdisciplinary Studies, Chongqing University, Chongqing, 400044, China
| | - Zhenyang Xie
- State Key Laboratory of Advanced Chemical Power Sources (SKL-ACPS), School of Chemistry and Chemical Engineering, Center of Advanced Electrochemical Energy (CAEE), Institute of Advanced Interdisciplinary Studies, Chongqing University, Chongqing, 400044, China
| | - Wei Ding
- State Key Laboratory of Advanced Chemical Power Sources (SKL-ACPS), School of Chemistry and Chemical Engineering, Center of Advanced Electrochemical Energy (CAEE), Institute of Advanced Interdisciplinary Studies, Chongqing University, Chongqing, 400044, China
| | - Zidong Wei
- State Key Laboratory of Advanced Chemical Power Sources (SKL-ACPS), School of Chemistry and Chemical Engineering, Center of Advanced Electrochemical Energy (CAEE), Institute of Advanced Interdisciplinary Studies, Chongqing University, Chongqing, 400044, China
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15
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Guo S, Ma M, Wang Y, Wang J, Jiang Y, Duan R, Lei Z, Wang S, He Y, Liu Z. Spatially Confined Microcells: A Path toward TMD Catalyst Design. Chem Rev 2024; 124:6952-7006. [PMID: 38748433 DOI: 10.1021/acs.chemrev.3c00711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2024]
Abstract
With the ability to maximize the exposure of nearly all active sites to reactions, two-dimensional transition metal dichalcogenide (TMD) has become a fascinating new class of materials for electrocatalysis. Recently, electrochemical microcells have been developed, and their unique spatial-confined capability enables understanding of catalytic behaviors at a single material level, significantly promoting this field. This Review provides an overview of the recent progress in microcell-based TMD electrocatalyst studies. We first introduced the structural characteristics of TMD materials and discussed their site engineering strategies for electrocatalysis. Later, we comprehensively described two distinct types of microcells: the window-confined on-chip electrochemical microcell (OCEM) and the droplet-confined scanning electrochemical cell microscopy (SECCM). Their setups, working principles, and instrumentation were elucidated in detail, respectively. Furthermore, we summarized recent advances of OCEM and SECCM obtained in TMD catalysts, such as active site identification and imaging, site monitoring, modulation of charge injection and transport, and electrostatic field gating. Finally, we discussed the current challenges and provided personal perspectives on electrochemical microcell research.
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Affiliation(s)
- Shasha Guo
- School of Materials Science and Engineering, Nanyang Technological University, 639798, Singapore
| | - Mingyu Ma
- School of Materials Science and Engineering, Nanyang Technological University, 639798, Singapore
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 637616, Singapore
| | - Yuqing Wang
- School of Materials Science and Engineering, Nanyang Technological University, 639798, Singapore
| | - Jinbo Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Yubin Jiang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Ruihuan Duan
- School of Materials Science and Engineering, Nanyang Technological University, 639798, Singapore
- CINTRA CNRS/NTU/THALES, UMI 3288, Research Techno Plaza, 639798, Singapore
| | - Zhendong Lei
- School of Materials Science and Engineering, Nanyang Technological University, 639798, Singapore
| | - Shuangyin Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Yongmin He
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Zheng Liu
- School of Materials Science and Engineering, Nanyang Technological University, 639798, Singapore
- CINTRA CNRS/NTU/THALES, UMI 3288, Research Techno Plaza, 639798, Singapore
- Institute for Functional Intelligent Materials, National University of Singapore, 117544, Singapore
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16
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Álvarez-García A, Molina LM, Garzón IL. O 2 activation by subnanometer Re-Pt clusters supported on TiO 2(110): exploring adsorption sites. Phys Chem Chem Phys 2024; 26:15902-15915. [PMID: 38775219 DOI: 10.1039/d4cp01118j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2024]
Abstract
Activation of O2 by subnanometer metal clusters is a fundamental step in the reactivity and oxidation processes of single-cluster catalysts. In this work, we examine the adsorption and dissociation of O2 on RenPtm (n + m = 5) clusters supported on rutile TiO2(110) using DFT calculations. The adhesion energies of RenPtm clusters on the support are high, indicating significant stability of the supported clusters. Furthermore, the bimetallic Re-Pt clusters attach to the surface through the Re atoms. The oxygen molecule was adsorbed on three sites of the supported systems: the metal cluster, the surface, and the interface. At the metal cluster site, the O2 molecule binds strongly to RenPtm clusters, especially on the Re-rich clusters. O2 activation occurs by charge transfer from the metal atoms to the molecule. The dissociation of O2 on the RenPtm clusters is an exothermic process with low barriers. As a result, sub-nanometer Re-Pt clusters can be susceptible to oxidation. Similar results are obtained at the metal-support interface, where both the surface and cluster transfer charge to O2. To surface sites, molecular oxygen is adsorbed onto the Ti5c atoms with moderate adsorption energies. The polarons, which are produced by the interaction between the metal cluster and the surface, participate in the activation of the molecule. However, dissociating O2 in these sites is challenging due to the endothermic nature of the process and the high energy barriers involved. Our findings provide novel insights into the reactivity of supported clusters, specifically regarding the O2 activation by Re-Pt clusters on rutile TiO2(110).
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Affiliation(s)
- Andrés Álvarez-García
- Instituto de Física, Universidad Nacional Autónoma de México, Apartado Postal 20-364, Ciudad de México 01000, Mexico.
| | - Luis M Molina
- Departamento de Física Teórica, Atómica y Optica, Universidad de Valladolid, E-47011 Valladolid, Spain
| | - Ignacio L Garzón
- Instituto de Física, Universidad Nacional Autónoma de México, Apartado Postal 20-364, Ciudad de México 01000, Mexico.
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Chen W, Elumalai P, Mamlouk H, Rentería-Gómez Á, Veeranna Y, Shetty S, Kumar D, Al-Rawashdeh M, Gupta SS, Gutierrez O, Zhou HC, Madrahimov ST. Monodentate Phosphinoamine Nickel Complex Supported on a Metal-Organic Framework for High-Performance Ethylene Dimerization. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2309540. [PMID: 38837615 DOI: 10.1002/advs.202309540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 04/07/2024] [Indexed: 06/07/2024]
Abstract
Ethylene dimerization is an efficient industrial chemical process to produce 1-butene, with demanding selectivity and activity requirements on new catalytic systems. Herein, a series of monodentate phosphinoamine-nickel complexes immobilized on UiO-66 are described for ethylene dimerization. These catalysts display extensive molecular tunability of the ligand similar to organometallic catalysis, while maintaining the high stability attributed to the metal-organic framework (MOF) scaffold. The highly flexible postsynthetic modification method enables this study to prepare MOFs functionalized with five different substituted phosphines and 3 N-containing ligands and identify the optimal catalyst UiO-66-L5-NiCl2 with isopropyl substituted nickel mono-phosphinoamine complex. This catalyst shows a remarkable activity and selectivity with a TOF of 29 000 (molethyl/molNi/h) and 99% selectivity for 1-butene under ethylene pressure of 15 bar. The catalyst is also applicable for continuous production in the packed column micro-reactor with a TON of 72 000 (molethyl/molNi). The mechanistic insight for the ethylene oligomerization has been examined by density functional theory (DFT) calculations. The calculated energy profiles for homogeneous complexes and truncated MOF models reveal varying rate-determining step as β-hydrogen elimination and migratory insertion, respectively. The activation barrier of UiO-66-L5-NiCl2 is lower than other systems, possibly due to the restriction effect caused by clusters and ligands. A comprehensive analysis of the structural parameters of catalysts shows that the cone angle as steric descriptor and butene desorption energy as thermodynamic descriptor can be applied to estimate the reactivity turnover frequency (TOF) with the optimum for UiO-66-L5-NiCl2. This work represents the systematic optimization of ligand effect through combination of experimental and theoretical data and presents a proof-of-concept for ethylene dimerization catalyst through simple heterogenization of organometallic catalyst on MOF.
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Affiliation(s)
- Wenmiao Chen
- Division of Arts and Sciences, Texas A&M University at Qatar, Education City, P.O. Box, Doha, 23874, Qatar
- Department of Chemistry, Texas A&M University, College Station, Texas, 77843-3255, USA
| | - Palani Elumalai
- Division of Arts and Sciences, Texas A&M University at Qatar, Education City, P.O. Box, Doha, 23874, Qatar
| | - Hind Mamlouk
- Division of Arts and Sciences, Texas A&M University at Qatar, Education City, P.O. Box, Doha, 23874, Qatar
| | - Ángel Rentería-Gómez
- Department of Chemistry, Texas A&M University, College Station, Texas, 77843-3255, USA
| | - Yempally Veeranna
- Division of Arts and Sciences, Texas A&M University at Qatar, Education City, P.O. Box, Doha, 23874, Qatar
| | - Sharan Shetty
- Shell India Markets Pvt Ltd., Bengaluru, Karnataka, 562149, India
| | - Dharmesh Kumar
- Qatar Shell Research and Technology Center, Qatar Science and Technology Park, Tech 1 Building, Doha, Qatar
| | - Ma'moun Al-Rawashdeh
- Department of Chemical Engineering, Texas A&M University at Qatar, Education City, P.O. Box, Doha, 23874, Qatar
| | - Somil S Gupta
- Shell India Markets Pvt Ltd., Bengaluru, Karnataka, 562149, India
| | - Osvaldo Gutierrez
- Department of Chemistry, Texas A&M University, College Station, Texas, 77843-3255, USA
| | - Hong-Cai Zhou
- Department of Chemistry, Texas A&M University, College Station, Texas, 77843-3255, USA
| | - Sherzod T Madrahimov
- Division of Arts and Sciences, Texas A&M University at Qatar, Education City, P.O. Box, Doha, 23874, Qatar
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18
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Cheng R, He X, Li K, Ran B, Zhang X, Qin Y, He G, Li H, Fu C. Rational Design of Organic Electrocatalysts for Hydrogen and Oxygen Electrocatalytic Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2402184. [PMID: 38458150 DOI: 10.1002/adma.202402184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Indexed: 03/10/2024]
Abstract
Efficient electrocatalysts are pivotal for advancing green energy conversion technologies. Organic electrocatalysts, as cost-effective alternatives to noble-metal benchmarks, have garnered attention. However, the understanding of the relationships between their properties and electrocatalytic activities remains ambiguous. Plenty of research articles regarding low-cost organic electrocatalysts started to gain momentum in 2010 and have been flourishing recently though, a review article for both entry-level and experienced researchers in this field is still lacking. This review underscores the urgent need to elucidate the structure-activity relationship and design suitable electrode structures, leveraging the unique features of organic electrocatalysts like controllability and compatibility for real-world applications. Organic electrocatalysts are classified into four groups: small molecules, oligomers, polymers, and frameworks, with specific structural and physicochemical properties serving as activity indicators. To unlock the full potential of organic electrocatalysts, five strategies are discussed: integrated structures, surface property modulation, membrane technologies, electrolyte affinity regulation, and addition of anticorrosion species, all aimed at enhancing charge efficiency, mass transfer, and long-term stability during electrocatalytic reactions. The review offers a comprehensive overview of the current state of organic electrocatalysts and their practical applications, bridging the understanding gap and paving the way for future developments of more efficient green energy conversion technologies.
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Affiliation(s)
- Ruiqi Cheng
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
| | - Xiaoqian He
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
| | - Kaiqi Li
- Christopher Ingold Laboratory, Department of Chemistry, University College London, London, WC1H 0AJ, UK
| | - Biao Ran
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
| | - Xinlong Zhang
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
| | - Yonghong Qin
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
| | - Guanjie He
- Christopher Ingold Laboratory, Department of Chemistry, University College London, London, WC1H 0AJ, UK
| | - Huanxin Li
- Department of Chemistry, Physical and Theoretical Chemistry Laboratory, University of Oxford, South Parks Road, Oxford, OX1 3QZ, UK
- Electrochemical Innovation Lab, Department of Chemical Engineering, University College London, London, WC1E 7JE, UK
| | - Chaopeng Fu
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
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19
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Chen Y, Das A, Duplessis ID, Keane DT, Bedzyk MJ. Atomic-Scale Interface for Pt Nanoparticles on SrTiO 3 (001). ACS APPLIED MATERIALS & INTERFACES 2024; 16:26862-26869. [PMID: 38728589 DOI: 10.1021/acsami.3c19560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2024]
Abstract
The interfacial structure formed by Pt nanoparticles grown epitaxially on a SrTiO3 (001) surface by pulsed laser deposition was studied by X-ray standing-wave (XSW) excited core-level photoelectron emission. The XSW-generated 3D atomic map of the Pt and interfacial oxygens for the oxidized Pt/SrTiO3 interface differs significantly from that of the as-deposited interface. After oxidation, the Pt atoms shifted upward and their atomic occupation at fcc-like sites evolved as the oxidation temperature increased. Interfacial oxygen atoms were differentiated from bulk O atoms by the chemical shift in the binding energy of their 1s electrons. After oxidation, the interfacial oxygen atoms rearranged to form a TiO2 bilayer at the interface. These results provide a more complete description of the strong metal-support interaction process at the interface.
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Affiliation(s)
- Yanna Chen
- Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States
- CLS@APS, Canadian Light Source, Saskatoon, SK S7N 2 V3, Canada
| | - Anusheela Das
- Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - Isaiah D Duplessis
- Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - Denis T Keane
- Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - Michael J Bedzyk
- Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States
- Department of Physics and Astronomy, Northwestern University, Evanston, Illinois 60208, United States
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20
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Luo Y, Zhang Y, Zhu J, Tian X, Liu G, Feng Z, Pan L, Liu X, Han N, Tan R. Material Engineering Strategies for Efficient Hydrogen Evolution Reaction Catalysts. SMALL METHODS 2024:e2400158. [PMID: 38745530 DOI: 10.1002/smtd.202400158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 03/27/2024] [Indexed: 05/16/2024]
Abstract
Water electrolysis, a key enabler of hydrogen energy production, presents significant potential as a strategy for achieving net-zero emissions. However, the widespread deployment of water electrolysis is currently limited by the high-cost and scarce noble metal electrocatalysts in hydrogen evolution reaction (HER). Given this challenge, design and synthesis of cost-effective and high-performance alternative catalysts have become a research focus, which necessitates insightful understandings of HER fundamentals and material engineering strategies. Distinct from typical reviews that concentrate only on the summary of recent catalyst materials, this review article shifts focus to material engineering strategies for developing efficient HER catalysts. In-depth analysis of key material design approaches for HER catalysts, such as doping, vacancy defect creation, phase engineering, and metal-support engineering, are illustrated along with typical research cases. A special emphasis is placed on designing noble metal-free catalysts with a brief discussion on recent advancements in electrocatalytic water-splitting technology. The article also delves into important descriptors, reliable evaluation parameters and characterization techniques, aiming to link the fundamental mechanisms of HER with its catalytic performance. In conclusion, it explores future trends in HER catalysts by integrating theoretical, experimental and industrial perspectives, while acknowledging the challenges that remain.
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Affiliation(s)
- Yue Luo
- School of Resources, Environment and Materials, Guangxi University, Nanning, 530004, China
| | - Yulong Zhang
- College of Mechatronical and Electrical Engineering, Hebei Agricultrual Univesity, Baoding, 07001, China
| | - Jiayi Zhu
- Warwick Electrochemical Engineering, WMG, University of Warwick, Coventry, CV4 7AL, UK
| | - Xingpeng Tian
- Warwick Electrochemical Engineering, WMG, University of Warwick, Coventry, CV4 7AL, UK
| | - Gang Liu
- IDTECH (Suzhou) Co. Ltd., Suzhou, 215217, China
| | - Zhiming Feng
- Department of Chemical Engineering, Imperial College London, London, SW7 2AZ, UK
| | - Liwen Pan
- School of Resources, Environment and Materials, Guangxi University, Nanning, 530004, China
- Education Department of Guangxi Zhuang Autonomous Region, Key Laboratory of High Performance Structural Materials and Thermo-surface Processing (Guangxi University), Nanning, 530004, China
| | - Xinhua Liu
- School of Transportation Science and Engineering, Beihang University, Beijing, 100191, China
| | - Ning Han
- Department of Materials Engineering, KU Leuven, Kasteelpark Arenberg 44, bus 2450, Heverlee, B-3001, Belgium
| | - Rui Tan
- Warwick Electrochemical Engineering, WMG, University of Warwick, Coventry, CV4 7AL, UK
- Department of Chemcial Engineering, Swansea University, Swansea, SA1 8EN, United Kingdom
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21
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Zhang S, Zhao X, Qiu Y, Xiong Y, Meng G, Chen W, Liu Z, Zhang J. Electron Deficient Ir-O Bonds Promote Heterogeneous Ir-Catalyzed Anti-Markovnikov Hydroboration of Alkenes under Mild Neat Conditions. NANO LETTERS 2024; 24:5165-5173. [PMID: 38630980 DOI: 10.1021/acs.nanolett.4c00163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/19/2024]
Abstract
Tuning electronic characteristics of metal-ligand bonds based on reaction pathways to achieve efficient catalytic processes has been widely studied and proven to be feasible in homogeneous catalysis, but it is scarcely investigated in heterogeneous catalysis. Herein, we demonstrate the regulation of the electronic configuration of Ir-O bonds in an Ir single-atom catalyst according to the borane activation mechanism. Ir-O bonds in Ir1/Ni(OH)x are found to be more electron-poor than those in Ir1/NiOx. Despite the mild solvent-free conditions and ambient temperature, Ir1/Ni(OH)x exhibits outstanding performance for the hydroboration of alkenes, furnishing the desired alkylboronic esters with a turnover frequency value of ≤3060 h-1 and 99% anti-Markovnikov selectivity, which is significantly better than that of Ir1/NiOx (42 h-1). It is further proven that the more electron-poor Ir-O bonds as active centers are more oxidative and so benefit the activation of the H-B bond in the reductive pinacolborane.
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Affiliation(s)
- Shasha Zhang
- Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, China
| | - Xudong Zhao
- College of Material Sciences and Chemical Engineering, Harbin Engineering University, Harbin, Heilongjiang 150001, China
| | - Yajun Qiu
- State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, College of Chemistry and Chemical Engineering, Ningxia University, Yinchuan, Ningxia 750021, China
| | - Yu Xiong
- Department of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Ge Meng
- Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, China
| | - Wei Chen
- Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, China
| | - Zhiliang Liu
- College of Material Sciences and Chemical Engineering, Harbin Engineering University, Harbin, Heilongjiang 150001, China
| | - Jian Zhang
- Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, China
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Wan K, He J, Shi X. Construction of High Accuracy Machine Learning Interatomic Potential for Surface/Interface of Nanomaterials-A Review. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2305758. [PMID: 37640376 DOI: 10.1002/adma.202305758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 08/24/2023] [Indexed: 08/31/2023]
Abstract
The inherent discontinuity and unique dimensional attributes of nanomaterial surfaces and interfaces bestow them with various exceptional properties. These properties, however, also introduce difficulties for both experimental and computational studies. The advent of machine learning interatomic potential (MLIP) addresses some of the limitations associated with empirical force fields, presenting a valuable avenue for accurate simulations of these surfaces/interfaces of nanomaterials. Central to this approach is the idea of capturing the relationship between system configuration and potential energy, leveraging the proficiency of machine learning (ML) to precisely approximate high-dimensional functions. This review offers an in-depth examination of MLIP principles and their execution and elaborates on their applications in the realm of nanomaterial surface and interface systems. The prevailing challenges faced by this potent methodology are also discussed.
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Affiliation(s)
- Kaiwei Wan
- Laboratory of Theoretical and Computational Nanoscience, National Center for Nanoscience and Technology, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing, 100049, China
| | - Jianxin He
- Laboratory of Theoretical and Computational Nanoscience, National Center for Nanoscience and Technology, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing, 100049, China
| | - Xinghua Shi
- Laboratory of Theoretical and Computational Nanoscience, National Center for Nanoscience and Technology, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing, 100049, China
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23
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Liu D, Zhu H, Gong X, Yuan S, Ma H, He P, Fan Y, Zhao W, Ren H, Guo W. Understanding and controlling the formation of single-atom site from supported Cu 10 cluster by tuning CeO 2 reducibility: Theoretical insight into the Gd-doping effect on electronic metal-support interaction. J Colloid Interface Sci 2024; 661:720-729. [PMID: 38320408 DOI: 10.1016/j.jcis.2024.01.174] [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: 09/27/2023] [Revised: 01/18/2024] [Accepted: 01/25/2024] [Indexed: 02/08/2024]
Abstract
Controlling the formation of single-atom (SA) sites from supported metal clusters is an important and interesting issue to effectively improve the catalytic performance of heterogeneous catalysts. For extensively studied CO oxidation over metal/CeO2 systems, the SA formation and stabilization under reaction conditions is generally attributed to CO adsorption, however, the pivotal role played by the reducible CeO2 support and the underlying electronic metal-support interaction (EMSI) are not yet fully understood. Based on a ceria-supported Cu10 catalyst model, we performed density functional theory calculations to investigate the intrinsic SA formation mechanism and discussed the synergistic effect of Gd-doped CeO2 and CO adsorption on the SA formation. The CeO2 reducibility is tuned with doped Gd content ranging from 12.5 % ∼ 25 %. Based on ab initio thermodynamic and ab initio molecular dynamics, the critical condition for SA formation was identified as 21.875 % Gd-doped CeO2 with CO-saturated adsorption on Cu10. Electronic analysis revealed that the open-shell lattice Oδ- (δ < 2) generated by Gd doping facilitates the charge transfer from the bottom-corner Cu (Cubc) to CeO2. The CO-saturated adsorption further promotes this charge transfer process and enhances the EMSI between Cubc and CeO2, leading to the disintegration of Cubc from Cu10 and subsequent formation of the active SA site.
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Affiliation(s)
- Dongyuan Liu
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, Shandong 266580, PR China
| | - Houyu Zhu
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, Shandong 266580, PR China.
| | - Xiaoxiao Gong
- State Key Laboratory of Molecular & Process Engineering, SINOPEC Research Institute of Petroleum Processing Co., Ltd., Beijing 10083, PR China
| | - Saifei Yuan
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, Shandong 266580, PR China
| | - Hao Ma
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, Shandong 266580, PR China
| | - Ping He
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, Shandong 266580, PR China
| | - Yucheng Fan
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, Shandong 266580, PR China
| | - Wen Zhao
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, Shandong 266580, PR China
| | - Hao Ren
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, Shandong 266580, PR China
| | - Wenyue Guo
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, Shandong 266580, PR China.
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24
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Ashie MD, Kumar D, Bastakoti BP. An Emerging Trend in the Synthesis of Iron Titanate Photocatalyst Toward Water Splitting. CHEM REC 2024; 24:e202400016. [PMID: 38775239 DOI: 10.1002/tcr.202400016] [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: 01/17/2024] [Revised: 04/06/2024] [Indexed: 05/29/2024]
Abstract
Hydrogen gas is a prominent focus in pursuing renewable and clean alternative energy sources. The quest for maximizing hydrogen production yield involves the exploration of an ideal photocatalyst and the development of a simple, cost-effective technique for its generation. Iron titanate has garnered attention in this context due to its photocatalytic properties, affordability, and non-toxic nature. Over the years, different synthesis routes, different morphologies, and some modifications of iron titanate have been carried out to improve its photocatalytic performance by enhancing light absorption in the visible region, boosting charge carrier transfer, and decreasing recombination of electrons and holes. The use of iron titanate photocatalyst for hydrogen evolution reaction has seen an upward trend in recent times, and based on available findings, more can be done to improve the performance. This review paper provides a comprehensive overview of the fundamental principles of photocatalysis for hydrogen generation, encompassing the synthesis, morphology, and application of iron titanate-based photocatalysts. The discussion delves into the limitations of current methodologies and present and future perspectives for advancing iron titanate photocatalysts. By addressing these limitations and contemplating future directions, the aim is to enhance the properties of materials fabricated for photocatalytic water splitting.
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Affiliation(s)
- Moses D Ashie
- Department of Chemistry, North Carolina Agricultural and Technical State University, 1601 E. Market St, Greensboro, NC-27411, USA
| | - Dhananjay Kumar
- Department of Mechanical Engineering, North Carolina Agricultural and Technical State University, 1601 E. Market St, Greensboro, NC-27411, USA
| | - Bishnu Prasad Bastakoti
- Department of Chemistry, North Carolina Agricultural and Technical State University, 1601 E. Market St, Greensboro, NC-27411, USA
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25
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Yang H, Ren P, Geng X, Guo W, Lewis JP, Yang Y, Li YW, Wen XD. Bird's-Eye View of the Activity Distribution on a Catalyst Surface via a Machine Learning-Driven Adequate Sampling Algorithm. J Phys Chem Lett 2024; 15:4384-4390. [PMID: 38659407 DOI: 10.1021/acs.jpclett.4c00095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
Rational design of catalysts relies on a deep understanding of the active centers. The structure and activity distribution of active centers on a surface are two of the central issues in catalysis and important targets of theoretical and experimental investigations. Herein, we report a machine learning-driven adequate sampling (MLAS) framework for obtaining a statistical understanding of the chemical environment near catalyst sites. Combined strategies were implemented to achieve highly efficient sampling, including the decomposition of degrees of freedom, stratified sampling, Gaussian process regression, and well-designed constraint optimization. The MLAS framework was applied to the rate-determining step in NH3 synthesis, namely the N2 activation process. We calculated the produced population function, PA, which provides a comprehensive and intuitive understanding of active centers. The MLAS framework can be broadly applied to other more complicated catalyst materials and reaction networks.
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Affiliation(s)
- Hui Yang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
- National Energy Center for Coal to Liquids, Synfuels China Company, Ltd., Huairou District, Beijing 101400, China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
| | - Pengju Ren
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
- National Energy Center for Coal to Liquids, Synfuels China Company, Ltd., Huairou District, Beijing 101400, China
| | - Xiaobin Geng
- National Energy Center for Coal to Liquids, Synfuels China Company, Ltd., Huairou District, Beijing 101400, China
| | - Wenping Guo
- National Energy Center for Coal to Liquids, Synfuels China Company, Ltd., Huairou District, Beijing 101400, China
| | - James Patrick Lewis
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
- National Energy Center for Coal to Liquids, Synfuels China Company, Ltd., Huairou District, Beijing 101400, China
- Hong Kong Quantum AI Laboratory, Ltd., Hong Kong Science Park, Hong Kong 999077, China
| | - Yong Yang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
- National Energy Center for Coal to Liquids, Synfuels China Company, Ltd., Huairou District, Beijing 101400, China
| | - Yong-Wang Li
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
- National Energy Center for Coal to Liquids, Synfuels China Company, Ltd., Huairou District, Beijing 101400, China
| | - Xiao-Dong Wen
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
- National Energy Center for Coal to Liquids, Synfuels China Company, Ltd., Huairou District, Beijing 101400, China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
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26
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Qian Y, Jiang HL. Structural Regulation of Covalent Organic Frameworks for Catalysis. Acc Chem Res 2024; 57:1214-1226. [PMID: 38552221 DOI: 10.1021/acs.accounts.4c00061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Abstract
ConspectusChemical reactions can be promoted at lower temperatures and pressures, thereby reducing the energy input, by introducing suitable catalysts. Despite its significance, the quest for efficient and stable catalysts remains a significant challenge. In this context, addressing the efficiency of catalysts stands out as a paramount concern. However, the challenges posed by the vague structure and limited tailorability of traditional catalysts would make it highly desirable to fabricate optimized catalysts based on the understanding of structure-activity relationships. Covalent organic frameworks (COFs), a subclass of fully designed crystalline materials formed by the polymerization of organic building blocks through covalent bonds have garnered widespread attention in catalysis. The precise and customizable structures of COFs, coupled with attributes such as high surface area and facile functional modification, make COFs attractive molecular platforms for catalytic applications. These inherent advantages position COFs as ideal catalysts, facilitating the elucidation of structure-performance relationships and thereby further improving the catalysis. Nevertheless, there is a lack of systematic emphasis on and summary of structural regulation at the atomic/molecular level for COF catalysis. Consequently, there is a growing need to summarize this research field and provide deep insights into COF-based catalysis to promote its further development.In this Account, we will summarize recent advances in structural regulation achieved in COF-based catalysts, placing an emphasis on the molecular design of the structures for enhanced catalysis. Considering the unique components and structural advantages of COFs, we present the fundamental principles for the rational design of structural regulation in COF-based catalysis. This Account starts by presenting an overview of catalysis and explaining why COFs are promising catalysts. Then, we introduce the molecular design principle for COF catalysis. Next, we present the following three aspects of the specific strategies for structural regulation of COF-based catalysts: (1) By designing different functional groups and integrating metal species into the organic unit, the activity and/or selectivity can be finely modulated. (2) Regulating the linkage facilitates charge transfer and/or modulates the electronic structure of catalytic metal sites, and accordingly, the intrinsic activity/selectivity can be further improved. (3) By means of pore wall/space engineering, the microenvironment surrounding catalytic metal sites can be modulated to optimize performance. Finally, the current challenges and future developments in the structural regulation of COF-based catalysts are discussed in detail. This Account provides insight into the structural regulation of COF-based catalysts at the atomic/molecular level toward improving their performance, which would provide significant inspiration for the design and structural regulation of other heterogeneous catalysts.
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Affiliation(s)
- Yunyang Qian
- Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P.R. China
| | - Hai-Long Jiang
- Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P.R. China
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27
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Gao B, Cheng Q, Du X, Ding S, Xiao C, Wang J, Song Z, Jang HW. Identifying the Active Sites in MoSi 2@MoO 3 Heterojunctions for Enhanced Hydrogen Evolution. SMALL METHODS 2024:e2301542. [PMID: 38602282 DOI: 10.1002/smtd.202301542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 04/02/2024] [Indexed: 04/12/2024]
Abstract
Developing Two-dimensional (2D) Mo-based heterogeneous nanomaterials is of great significance for energy conversion, especially in alkaline hydrogen evolution reaction (HER), however, it remains a challenge to identify the active sites at the interface due to the structure complexity. Herein, the real active sites are systematically explored during the HER process in varied Mo-based 2D materials by theoretical computational and magnetron sputtering approaches first to filtrate the candidates, then successfully combined the MoSi2 and MoO3 together through Oxygen doping to construct heterojunctions. Benefiting from the synergistic effects between the MoSi2 and MoO3, the obtained MoSi2@MoO3 exhibits an unprecedented overpotential of 72 mV at a current density of 10 mA cm-2. Density functional theory calculations uncover the different Gibbs free energy of hydrogen adsorption (ΔGH*) values achieved at the interfaces with different sites as adsorption sites. The results can facilitate the optimization of heterojunction electrocatalyst design principles for the Mo-based 2D materials.
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Affiliation(s)
- Bo Gao
- School of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao, Shandong, 266525, China
- Key Lab of Industrial Fluid Energy Conservation and Pollution Control (Qingdao University of Technology), Ministry of Education, Qingdao, Shandong, 266525, China
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, China
| | - Qiuping Cheng
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, China
| | - Xiaoye Du
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, China
| | - Shujiang Ding
- Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, Department of Applied Chemistry, School of Chemistry, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, China
| | - Chunhui Xiao
- Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, Department of Applied Chemistry, School of Chemistry, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, China
| | - Jin Wang
- School of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao, Shandong, 266525, China
| | - Zhongxiao Song
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, China
| | - Ho Won Jang
- Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul, 08826, Republic of Korea
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28
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Xin H, Li R, Lin L, Mu R, Li M, Li D, Fu Q, Bao X. Reverse water gas-shift reaction product driven dynamic activation of molybdenum nitride catalyst surface. Nat Commun 2024; 15:3100. [PMID: 38600159 PMCID: PMC11271606 DOI: 10.1038/s41467-024-47550-8] [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: 01/20/2024] [Accepted: 04/01/2024] [Indexed: 04/12/2024] Open
Abstract
In heterogeneous catalysis catalyst activation is often observed during the reaction process, which is mostly attributed to the induction by reactants. In this work we report that surface structure of molybdenum nitride (MoNx) catalyst exhibits a high dependency on the partial pressure or concentration of reaction products i.e., CO and H2O in reverse water gas-shift reaction (RWGS) (CO2:H2 = 1:3) but not reactants of CO2 and H2. Molybdenum oxide (MoOx) overlayers formed by oxidation with H2O are observed at reaction pressure below 10 mbar or with low partial pressure of CO/H2O products, while CO-induced surface carbonization happens at reaction pressure above 100 mbar and with high partial pressure of CO/H2O products. The reaction products induce restructuring of MoNx surface into more active molybdenum carbide (MoCx) to increase the reaction rate and make for higher partial pressure CO, which in turn promote further surface carbonization of MoNx. We refer to this as the positive feedback between catalytic activity and catalyst activation in RWGS, which should be widely present in heterogeneous catalysis.
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Affiliation(s)
- Hui Xin
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, iChEM, Chinese Academy of Sciences, Dalian, 116023, China
- Analytical & Testing Center, Sichuan University, Chengdu, Sichuan, 610064, China
| | - Rongtan Li
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, iChEM, Chinese Academy of Sciences, Dalian, 116023, China
| | - Le Lin
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, iChEM, Chinese Academy of Sciences, Dalian, 116023, China
| | - Rentao Mu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, iChEM, Chinese Academy of Sciences, Dalian, 116023, China
| | - Mingrun Li
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, iChEM, Chinese Academy of Sciences, Dalian, 116023, China
| | - Dan Li
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan, 610064, China.
| | - Qiang Fu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, iChEM, Chinese Academy of Sciences, Dalian, 116023, China.
| | - Xinhe Bao
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, iChEM, Chinese Academy of Sciences, Dalian, 116023, China.
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29
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Chen W, Che Y, Xia J, Zheng L, Lv H, Zhang J, Liang HW, Meng X, Ma D, Song W, Wu X, Cao C. Metal-Sulfur Interfaces as the Primary Active Sites for Catalytic Hydrogenations. J Am Chem Soc 2024. [PMID: 38592685 DOI: 10.1021/jacs.4c02692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/10/2024]
Abstract
The determination of catalytically active sites is crucial for understanding the catalytic mechanism and providing guidelines for the design of more efficient catalysts. However, the complex structure of supported metal nanocatalysts (e.g., support, metal surface, and metal-support interface) still presents a big challenge. In particular, many studies have demonstrated that metal-support interfaces could also act as the primary active sites in catalytic reactions, which is well elucidated in oxide-supported metal nanocatalysts but is rarely reported in carbon-supported metal nanocatalysts. Here, we fill the above gap and demonstrate that metal-sulfur interfaces in sulfur-doped carbon-supported metal nanocatalysts are the primary active sites for several catalytic hydrogenation reactions. A series of metal nanocatalysts with similar sizes but different amounts of metal-sulfur interfaces were first constructed and characterized. Taking Ir for quinoline hydrogenation as an example, it was found that their catalytic activities were proportional to the amount of the Ir-S interface. Further experiments and density functional theory (DFT) calculations suggested that the adsorption and activation of quinoline occurred on the Ir atoms at the Ir-S interface. Similar phenomena were found in p-chloronitrobenzene hydrogenation over the Pt-S interface and benzoic acid hydrogenation over the Ru-S interface. All of these findings verify the predominant activity of metal-sulfur interfaces for catalytic hydrogenation reactions and contribute to the comprehensive understanding of metal-support interfaces in supported nanocatalysts.
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Affiliation(s)
- Weiming Chen
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, CAS Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Yixuan Che
- Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei ,Anhui 230026, P. R. China
| | - Jing Xia
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Lirong Zheng
- Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Haifeng Lv
- Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei ,Anhui 230026, P. R. China
| | - Jie Zhang
- Beijing National Laboratory for Molecular Sciences, New Cornerstone Science Laboratory, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China
| | - Hai-Wei Liang
- Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei 230026, P. R. China
| | - Xiangmin Meng
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Ding Ma
- Beijing National Laboratory for Molecular Sciences, New Cornerstone Science Laboratory, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China
| | - Weiguo Song
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, CAS Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Xiaojun Wu
- Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei ,Anhui 230026, P. R. China
- Key Laboratory of Precision and Intelligent Chemistry, School of Chemistry and Materials Science, CAS Key Laboratory of Materials for Energy Conversion, CAS Center for Excellence in Nanoscience, and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Changyan Cao
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, CAS Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100190, P. R. China
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30
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Yuan H, Hong M, Huang X, Qiu W, Dong F, Zhou Y, Chen Y, Gao J, Yang S. Graphene Chainmail Shelled Dilute Ni─Cu Alloy for Selective and Robust Aqueous Phase Catalytic Hydrogenation. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2304349. [PMID: 38243637 PMCID: PMC10987116 DOI: 10.1002/advs.202304349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 11/19/2023] [Indexed: 01/21/2024]
Abstract
Cost-effective non-noble metal-based catalysts for selective hydrogenation with excellent activity, selectivity, and durability are still the holy grail. Herein, an oxygen-doped carbon (OC) chainmail encapsulated dilute Cu-Ni alloy is developed by simple pyrolysis of Cu/Ni-metal-organic framework. The CuNi0.05@OC catalyst displays superior performance for atmospheric pressure transfer hydrogenation of p-chloronitrobenzene and p-nitrophenol, and for hydrogenation of furfural, all in water and with exceptional durability. Comprehensive characterizations confirm the close interactions between the diluted Ni sites, the base Cu, and optimized three-layered graphene chainmail. Theoretical calculations demonstrate that the properly tuned lattice strain and Schottky junction can adjust electron density to facilitate specific adsorption on the active centers, thus enhancing the catalytic activity and selectivity, while the OC shell also offers robust protection. This work provides a simple and environmentally friendly strategy for developing practical heterogeneous catalysts that bring the synergistic effect into play between dilute alloy and functional carbon wrapping.
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Affiliation(s)
- Haifeng Yuan
- Guangdong Provincial Key Lab of Nano‐Micro Materials Research, School of Advanced Materials, Shenzhen Graduate SchoolPeking University ShenzhenShenzhenGuangdong518055China
| | - Mei Hong
- Guangdong Provincial Key Lab of Nano‐Micro Materials Research, School of Advanced Materials, Shenzhen Graduate SchoolPeking University ShenzhenShenzhenGuangdong518055China
| | - Xianzhen Huang
- Guangdong Provincial Key Lab of Nano‐Micro Materials Research, School of Advanced Materials, Shenzhen Graduate SchoolPeking University ShenzhenShenzhenGuangdong518055China
| | - Weitao Qiu
- Guangdong Provincial Key Lab of Nano‐Micro Materials Research, School of Advanced Materials, Shenzhen Graduate SchoolPeking University ShenzhenShenzhenGuangdong518055China
| | - Feng Dong
- Guangdong Provincial Key Lab of Nano‐Micro Materials Research, School of Advanced Materials, Shenzhen Graduate SchoolPeking University ShenzhenShenzhenGuangdong518055China
| | - Yu Zhou
- Guangdong Provincial Key Lab of Nano‐Micro Materials Research, School of Advanced Materials, Shenzhen Graduate SchoolPeking University ShenzhenShenzhenGuangdong518055China
| | - Yanpeng Chen
- Shenzhen Key Laboratory of Organic Pollution Prevention and Control, Environmental Science and Engineering Research CenterHarbin Institute of Technology (Shenzhen)ShenzhenGuangdong518055China
| | - Jinqiang Gao
- Guangdong Provincial Key Lab of Nano‐Micro Materials Research, School of Advanced Materials, Shenzhen Graduate SchoolPeking University ShenzhenShenzhenGuangdong518055China
| | - Shihe Yang
- Guangdong Provincial Key Lab of Nano‐Micro Materials Research, School of Advanced Materials, Shenzhen Graduate SchoolPeking University ShenzhenShenzhenGuangdong518055China
- Insitute of Biomedical EngineeringShenzhen Bay LaboratoryShenzhenGuangdong518055China
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31
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Pei C, Chen S, Fu D, Zhao ZJ, Gong J. Structured Catalysts and Catalytic Processes: Transport and Reaction Perspectives. Chem Rev 2024; 124:2955-3012. [PMID: 38478971 DOI: 10.1021/acs.chemrev.3c00081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
The structure of catalysts determines the performance of catalytic processes. Intrinsically, the electronic and geometric structures influence the interaction between active species and the surface of the catalyst, which subsequently regulates the adsorption, reaction, and desorption behaviors. In recent decades, the development of catalysts with complex structures, including bulk, interfacial, encapsulated, and atomically dispersed structures, can potentially affect the electronic and geometric structures of catalysts and lead to further control of the transport and reaction of molecules. This review describes comprehensive understandings on the influence of electronic and geometric properties and complex catalyst structures on the performance of relevant heterogeneous catalytic processes, especially for the transport and reaction over structured catalysts for the conversions of light alkanes and small molecules. The recent research progress of the electronic and geometric properties over the active sites, specifically for theoretical descriptors developed in the recent decades, is discussed at the atomic level. The designs and properties of catalysts with specific structures are summarized. The transport phenomena and reactions over structured catalysts for the conversions of light alkanes and small molecules are analyzed. At the end of this review, we present our perspectives on the challenges for the further development of structured catalysts and heterogeneous catalytic processes.
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Affiliation(s)
- Chunlei Pei
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China
| | - Sai Chen
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China
| | - Donglong Fu
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China
| | - Zhi-Jian Zhao
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China
| | - Jinlong Gong
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou 350207, China
- Haihe Laboratory of Sustainable Chemical Transformations, Tianjin 300192, China
- National Industry-Education Platform of Energy Storage, Tianjin University, 135 Yaguan Road, Tianjin 300350, China
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32
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Shu W, Li J, Liu JX, Zhu C, Wang T, Feng L, Ouyang R, Li WX. Structure Sensitivity of Metal Catalysts Revealed by Interpretable Machine Learning and First-Principles Calculations. J Am Chem Soc 2024; 146:8737-8745. [PMID: 38483446 DOI: 10.1021/jacs.4c01524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
The nature of the active sites and their structure sensitivity are the keys to rational design of efficient catalysts but have been debated for almost one century in heterogeneous catalysis. Though the Brønsted-Evans-Polanyi (BEP) relationship along with linear scaling relation has long been used to study the reactivity, explicit geometry, and composition properties are absent in this relationship, a fact that prevents its exploration in structure sensitivity of supported catalysts. In this work, based on interpretable multitask symbolic regression and a comprehensive first-principles data set, we discovered a structure descriptor, the topological under-coordinated number mediated by number of valence electrons and the lattice constant, to successfully address the structure sensitivity of metal catalysts. The database used for training, testing, and transferability investigation includes bond-breaking barriers of 20 distinct chemical bonds over 10 transition metals, two metal crystallographic phases, and 17 different facets. The resulting 2D descriptor composing the structure term and the reaction energy term shows great accuracy to predict the reaction barriers and generalizability over the data set with diverse chemical bonds in symmetry, bond order, and steric hindrance. The theory is physical and concise, providing a constructive strategy not only to understand the structure sensitivity but also to decipher the entangled geometric and electronic effects of metal catalysts. The insights revealed are valuable for the rational design of the site-specific metal catalysts.
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Affiliation(s)
- Wu Shu
- Department of Chemical Physics, Key Laboratory of Precision and Intelligent Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
| | - Jiancong Li
- Hefei National Research Center for Physical Science at the Microscale, University of Science and Technology of China, Hefei, 230026, China
| | - Jin-Xun Liu
- Department of Chemical Physics, Key Laboratory of Precision and Intelligent Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
| | - Chuwei Zhu
- Hefei National Research Center for Physical Science at the Microscale, University of Science and Technology of China, Hefei, 230026, China
| | - Tairan Wang
- Department of Chemical Physics, Key Laboratory of Precision and Intelligent Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
| | - Li Feng
- Department of Chemical Physics, Key Laboratory of Precision and Intelligent Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
| | - Runhai Ouyang
- Materials Genome Institute, Shanghai University, Shanghai, 200444, China
| | - Wei-Xue Li
- Department of Chemical Physics, Key Laboratory of Precision and Intelligent Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
- Hefei National Laboratory, University of Science and Technology of China, Hefei, 230026, China
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33
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Ji Y, Chen K, Han X, Bao X, Hou G. Precise Structural and Dynamical Details in Zeolites Revealed by Coupling-Edited 1H- 17O Double Resonance NMR Spectroscopy. J Am Chem Soc 2024. [PMID: 38528765 DOI: 10.1021/jacs.3c14787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
Despite the extensive industrial and research interests in zeolites, their intrinsic catalytic nature is not fully understood due to the complexity of the hydroxyl-aluminum moieties. 17O NMR would provide irreplaceable opportunities for much-needed fine structural determination given the ubiquitous presence of oxygen atoms in nearly all species; however, the low sensitivity and quadrupolar nature of oxygen-17 make its NMR spectroscopic elucidation challenging. Here, we show that state-of-the-art double resonance solid-state NMR techniques have been combined with spectral editing methods based on scalar (through-bond) and dipolar (through-space) couplings, which allowed us to address the subtle protonic structures in zeolites. Notably, the often-neglected and undesired second-order quadrupolar-dipolar cross-term interaction ("2nd-QD interaction") can actually be exploited and can help gain invaluable information. Eventually, a comprehensive set of 1H-17O/1H-27Al double resonance NMR with J-/D-coupling spectral editing techniques have been designed in this work and enabled us to reveal atomic-scale precise structural and dynamical details in zeolites including: 1) The jump rate of the bridging acid site (BAS) proton is relatively low, i.e., far less than 100 s-1 at room temperature. 2) The Al-OH groups with 1H chemical shift at 2.6-2.8 ppm, at least for nonseverely dealuminated H-ZSM-5 catalysts, exhibit a rigid bridging environment similar to that of BAS. 3) The Si-OH groups at 2.0 ppm are not hydrogen bonded and undergo fast cone-rotational motion. The results in this study predict the 2nd-QD interaction to be universal for any rigid -17O-H environment, such as those in metal oxide surfaces or biomaterials.
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Affiliation(s)
- Yi Ji
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, 2011-Collaborative Innovation Center of Chemistry for Energy Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Zhongshan Road 457, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Kuizhi Chen
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, 2011-Collaborative Innovation Center of Chemistry for Energy Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Zhongshan Road 457, Dalian 116023, China
| | - Xiuwen Han
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, 2011-Collaborative Innovation Center of Chemistry for Energy Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Zhongshan Road 457, Dalian 116023, China
| | - Xinhe Bao
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, 2011-Collaborative Innovation Center of Chemistry for Energy Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Zhongshan Road 457, Dalian 116023, China
| | - Guangjin Hou
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, 2011-Collaborative Innovation Center of Chemistry for Energy Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Zhongshan Road 457, Dalian 116023, China
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Lätsch L, Guda SA, Romankov V, Wartmann C, Neudörfl JM, Dreiser J, Berkessel A, Guda AA, Copéret C. Tracking Coordination Environment and Reaction Intermediates in Homogeneous and Heterogeneous Epoxidation Catalysts via Ti L 2,3-Edge Near-Edge X-ray Absorption Fine Structures. J Am Chem Soc 2024; 146:7456-7466. [PMID: 38447178 DOI: 10.1021/jacs.3c12831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2024]
Abstract
Ti-based molecules and materials are ubiquitous and play a major role in both homogeneous and heterogeneous catalytic processes. Understanding the electronic structures of their active sites (oxidation state, local symmetry, and ligand environment) is key to developing molecular-level structure-property relationships. In that context, X-ray absorption spectroscopy (XAS) offers a unique combination of elemental selectivity and sensitivity to local symmetry. Commonly, for early transition metals such as Ti, K-edge XAS is applied for in situ characterization and subsequent structural analysis with high sensitivity toward tetrahedral species. Ti L2,3-edge spectroscopy is in principle complementary and offers specific opportunities to interrogate the electronic structure of five-and six-coordinated species. It is, however, much more rarely implemented because the use of soft X-rays implies ultrahigh vacuum conditions. Furthermore, the interpretation of the data can be challenging. Here, we show how Ti L2,3-edge spectroscopy can help to obtain unique information about both homogeneous and heterogeneous epoxidation catalysts and develop a molecular-level relationship between spectroscopic signatures and electronic structures. Toward this goal, we first establish a spectral library of molecular Ti reference compounds, comprising various coordination environments with mono- and dimeric Ti species having O, N, and Cl ligands. We next implemented a computational methodology based on multiplet ligand field theory and maximally localized Wannier orbitals benchmarked on our library to understand Ti L2,3-edge spectroscopic signatures. We finally used this approach to track and predict the spectra of catalytically relevant intermediates, focusing on Ti-based olefin epoxidation catalysts.
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Affiliation(s)
- Lukas Lätsch
- Department of Chemistry and Applied Biosciences, ETH Zurich, Vladimir-Prelog Weg 2, CH 8093Zurich, Switzerland
| | - Sergey A Guda
- The Smart Materials Research Institute, Southern Federal University, Sladkova 178324, 344090Rostov-on-Don, Russia
| | - Vladyslav Romankov
- Swiss Light Source, Paul Scherrer Institut, CH-5232Villigen, Switzerland
| | - Christina Wartmann
- Department of Chemistry, Organic Chemistry, University of Cologne, Greinstraße 4, 50939 Cologne, Germany
| | - Jörg-M Neudörfl
- Department of Chemistry, Organic Chemistry, University of Cologne, Greinstraße 4, 50939 Cologne, Germany
| | - Jan Dreiser
- Swiss Light Source, Paul Scherrer Institut, CH-5232Villigen, Switzerland
| | - Albrecht Berkessel
- Department of Chemistry, Organic Chemistry, University of Cologne, Greinstraße 4, 50939 Cologne, Germany
| | - Alexander A Guda
- The Smart Materials Research Institute, Southern Federal University, Sladkova 178324, 344090Rostov-on-Don, Russia
| | - Christophe Copéret
- Department of Chemistry and Applied Biosciences, ETH Zurich, Vladimir-Prelog Weg 2, CH 8093Zurich, Switzerland
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Wang X, He M, Zhao Y, He J, Huang J, Zhang L, Xu Z, Kang Y, Xue P. Bimetallic PtPd Atomic Clusters as Apoptosis/Ferroptosis Inducers for Antineoplastic Therapy through Heterogeneous Catalytic Processes. ACS NANO 2024; 18:8083-8098. [PMID: 38456744 DOI: 10.1021/acsnano.3c11610] [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: 03/09/2024]
Abstract
Active polymetallic atomic clusters can initiate heterogeneous catalytic reactions in the tumor microenvironment, and the products tend to cause manifold damage to cell metabolic functions. Herein, bimetallic PtPd atomic clusters (BAC) are constructed by the stripping of Pt and Pd nanoparticles on nitrogen-doped carbon and follow-up surface PEGylation, aiming at efficacious antineoplastic therapy through heterogeneous catalytic processes. After endocytosed by tumor cells, BAC with catalase-mimic activity can facilitate the decomposition of endogenous H2O2 into O2. The local oxygenation not only alleviates hypoxia to reduce the invasion ability of cancer cells but also enhances the yield of •O2- from O2 catalyzed by BAC. Meanwhile, BAC also exhibit peroxidase-mimic activity for •OH production from H2O2. The enrichment of reactive oxygen species (ROS), including the radicals of •OH and •O2-, causes significant oxidative cellular damage and triggers severe apoptosis. In another aspect, intrinsic glutathione (GSH) peroxidase-like activity of BAC can indirectly upregulate the level of lipid peroxides and promote ferroptosis. Such deleterious redox dyshomeostasis caused by ROS accumulation and GSH consumption also results in immunogenic cell death to stimulate antitumor immunity for metastasis suppression. Collectively, this paradigm is expected to inspire more facile designs of polymetallic atomic clusters in disease therapy.
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Affiliation(s)
- Xiaoqin Wang
- School of Materials and Energy, Southwest University, Chongqing 400715, China
| | - Mengting He
- School of Materials and Energy, Southwest University, Chongqing 400715, China
| | - Yinmin Zhao
- School of Materials and Energy, Southwest University, Chongqing 400715, China
| | - Jie He
- School of Materials and Energy, Southwest University, Chongqing 400715, China
| | - Jiansen Huang
- School of Materials and Energy, Southwest University, Chongqing 400715, China
| | - Lei Zhang
- State Key Laboratory of Resource Insects, Southwest University, Chongqing 400715, China
| | - Zhigang Xu
- School of Materials and Energy, Southwest University, Chongqing 400715, China
| | - Yuejun Kang
- School of Materials and Energy, Southwest University, Chongqing 400715, China
| | - Peng Xue
- School of Materials and Energy, Southwest University, Chongqing 400715, China
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36
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Liang H, Zhang B, Hong M, Yang X, Zhu L, Liu X, Qi Y, Zhao S, Wang G, van Bavel AP, Wen X, Qin Y. Operando Mobile Catalysis for Reverse Water Gas Shift Reaction. Angew Chem Int Ed Engl 2024; 63:e202318747. [PMID: 38270973 DOI: 10.1002/anie.202318747] [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: 12/06/2023] [Revised: 01/25/2024] [Accepted: 01/25/2024] [Indexed: 01/26/2024]
Abstract
Metal atoms on the support serve as active sites for many heterogeneous catalysts. However, the active metal sites on the support are conventionally described as static, and the intermediates adsorbed on the support far away from the active metal sites cannot be transformed. Herein, we report the first example of operando mobile catalysis to promote catalytic efficiency by enhancing the collision probability between active sites and reactants or reaction intermediates. Specifically, ligand-coordinated Pt single atoms (isolated MeCpPt- species) are bonded on CeO2 and transformed into mobile MeCpPt(H)CO complexes during the reverse water gas shift reaction for operando mobile catalysis. This strategy enables the conversion of inert carbonate intermediates on the CeO2 support. A turnover frequency (TOF) of 6358 mol CO2 molPt -1 ⋅ h-1 and 99 % CO selectivity at 300 °C is obtained for reverse water gas shift reaction, dramatically higher than those of Pt catalysts reported in the literature. Operando mobile catalysis presents a promising strategy for designing high-efficiency heterogeneous catalysts for various chemical reactions and applications.
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Affiliation(s)
- Haojie Liang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, 030001, Taiyuan, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, 100049, Beijing, China
- Key Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, 030024, Taiyuan, China
| | - Bin Zhang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, 030001, Taiyuan, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Mei Hong
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, 030001, Taiyuan, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Xinchun Yang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, 030001, Taiyuan, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Ling Zhu
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, 030001, Taiyuan, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Xingchen Liu
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, 030001, Taiyuan, China
| | - Yuntao Qi
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, 030001, Taiyuan, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Shichao Zhao
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, 030001, Taiyuan, China
| | - Guofu Wang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, 030001, Taiyuan, China
| | - Alexander P van Bavel
- Shell Global Solutions International B. V., < postCode/>1031, Amsterdam, The Netherlands
| | - Xiaodong Wen
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, 030001, Taiyuan, China
| | - Yong Qin
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, 030001, Taiyuan, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, 100049, Beijing, China
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37
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Kim TS, O'Connor CR, Reece C. Interrogating site dependent kinetics over SiO 2-supported Pt nanoparticles. Nat Commun 2024; 15:2074. [PMID: 38453954 PMCID: PMC10920675 DOI: 10.1038/s41467-024-46496-1] [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: 08/14/2023] [Accepted: 02/28/2024] [Indexed: 03/09/2024] Open
Abstract
A detailed knowledge of reaction kinetics is key to the development of new more efficient heterogeneous catalytic processes. However, the ability to resolve site dependent kinetics has been largely limited to surface science experiments on model systems. Herein, we can bypass the pressure, materials, and temperature gaps, resolving and quantifying two distinct pathways for CO oxidation over SiO2-supported 2 nm Pt nanoparticles using transient pressure pulse experiments. We find that the pathway distribution directly correlates with the distribution of well-coordinated (e.g., terrace) and under-coordinated (e.g., edge, vertex) CO adsorption sites on the 2 nm Pt nanoparticles as measured by in situ DRIFTS. We conclude that well-coordinated sites follow classic Langmuir-Hinshelwood kinetics, but under-coordinated sites follow non-standard kinetics with CO oxidation being barrierless but conversely also slow. This fundamental method of kinetic site deconvolution is broadly applicable to other catalytic systems, affording bridging of the complexity gap in heterogeneous catalysis.
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Affiliation(s)
- Taek-Seung Kim
- Rowland Institute at Harvard, Harvard University, Cambridge, MA, 02142, USA
| | | | - Christian Reece
- Rowland Institute at Harvard, Harvard University, Cambridge, MA, 02142, USA.
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38
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Wu R, Lenz TM, Alfayez FAS, Zhao R, Rupper P, Perret E, Lehner S, Jovic M, Gaan S, Rieger B, Heuberger M. Ambient Catalytic Spinning of Polyethylene Nanofibers. Angew Chem Int Ed Engl 2024; 63:e202315326. [PMID: 38226704 DOI: 10.1002/anie.202315326] [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: 10/11/2023] [Revised: 01/10/2024] [Accepted: 01/15/2024] [Indexed: 01/17/2024]
Abstract
A novel single-atom Ni(II) catalyst (Ni-OH) is covalently immobilized onto the nano-channels of mesoporous Santa Barbara Amorphous (SBA)-15 particles and isotropic Anodized Aluminum Oxide (AAO) membrane for confined-space ethylene extrusion polymerization. The presence of surface-tethered Ni complexes (Ni@SBA-15 and Ni@AAO) is confirmed by the inductively coupled plasma-optical emission spectrometry (ICP-OES) and X-ray photoelectron spectroscopy (XPS). In the catalytic spinning process, the produced PE materials exhibit very homogeneous fibrous morphology at nanoscale (diameter: ~50 nm). The synthesized PE nanofibers extrude in a highly oriented manner from the nano-reactors at ambient temperature. Remarkably high Mw (1.62×106 g mol-1 ), melting point (124 °C), and crystallinity (41.8 %) are observed among PE samples thanks to the confined-space polymerization. The chain-walking behavior of surface tethered Ni catalysts is greatly limited by the confinement inside the nano-channels, leading to the formation of very low-branched PE materials (13.6/1000 C). Due to fixed supported catalytic topology and room temperature, the filaments are expected to be free of entanglement. This work signifies an important step towards the realization of a continuous mild catalytic-spinning (CATSPIN) process, where the polymer is directly synthesized into fiber shape at negligible chain branching and elegantly avoiding common limitations like thermal degradation or molecular entanglement.
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Affiliation(s)
- Ruikai Wu
- Laboratory of Advanced Fibers, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014, St. Gallen, Switzerland
- Department of Materials, ETH, Zurich, 8092, Zurich, Switzerland
| | - Tim M Lenz
- WACKER-Chair of Macromolecular Chemistry, Catalysis Research Center, Technical University of Munich, Lichtenbergstraße 4, 85748, Garching, Germany
| | - Fayez Abdullah S Alfayez
- Laboratory of Advanced Fibers, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014, St. Gallen, Switzerland
| | - Ruohan Zhao
- Laboratory of Advanced Fibers, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014, St. Gallen, Switzerland
| | - Patrick Rupper
- Laboratory of Advanced Fibers, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014, St. Gallen, Switzerland
| | - Edith Perret
- Laboratory of Advanced Fibers, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014, St. Gallen, Switzerland
| | - Sandro Lehner
- Laboratory of Advanced Fibers, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014, St. Gallen, Switzerland
| | - Milijana Jovic
- Laboratory of Advanced Fibers, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014, St. Gallen, Switzerland
| | - Sabyasachi Gaan
- Laboratory of Advanced Fibers, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014, St. Gallen, Switzerland
| | - Bernhard Rieger
- WACKER-Chair of Macromolecular Chemistry, Catalysis Research Center, Technical University of Munich, Lichtenbergstraße 4, 85748, Garching, Germany
| | - Manfred Heuberger
- Laboratory of Advanced Fibers, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014, St. Gallen, Switzerland
- Department of Materials, ETH, Zurich, 8092, Zurich, Switzerland
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39
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Dimitratos N, Vilé G, Albonetti S, Cavani F, Fiorio J, López N, Rossi LM, Wojcieszak R. Strategies to improve hydrogen activation on gold catalysts. Nat Rev Chem 2024; 8:195-210. [PMID: 38396010 DOI: 10.1038/s41570-024-00578-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/12/2024] [Indexed: 02/25/2024]
Abstract
Catalytic reactions involving molecular hydrogen are at the heart of many transformations in the chemical industry. Classically, hydrogenations are carried out on Pd, Pt, Ru or Ni catalysts. However, the use of supported Au catalysts has garnered attention in recent years owing to their exceptional selectivity in hydrogenation reactions. This is despite the limited understanding of the physicochemical aspects of hydrogen activation and reaction on Au surfaces. A rational design of new improved catalysts relies on making better use of the hydrogenating properties of Au. This Review analyses the strategies utilized to improve hydrogen-Au interactions, from addressing the importance of the Au particle size to exploring alternative mechanisms for H2 dissociation on Au cations and Au-ligand interfaces. These insights hold the potential to drive future applications of Au catalysis.
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Affiliation(s)
- Nikolaos Dimitratos
- Dipartimento di Chimica Industriale "Toso Montanari", Alma Mater Studiorum Università di Bologna, Bologna, Italy
- Center for Chemical Catalysis-C3, Alma Mater Studiorum Università di Bologna, Bologna, Italy
| | - Gianvito Vilé
- Department of Chemistry, Materials and Chemical Engineering "Giulio Natta", Politecnico di Milano, Milano, Italy
| | - Stefania Albonetti
- Dipartimento di Chimica Industriale "Toso Montanari", Alma Mater Studiorum Università di Bologna, Bologna, Italy
- Center for Chemical Catalysis-C3, Alma Mater Studiorum Università di Bologna, Bologna, Italy
| | - Fabrizio Cavani
- Dipartimento di Chimica Industriale "Toso Montanari", Alma Mater Studiorum Università di Bologna, Bologna, Italy
- Center for Chemical Catalysis-C3, Alma Mater Studiorum Università di Bologna, Bologna, Italy
| | - Jhonatan Fiorio
- Technische Universität Dresden, School of Science, Faculty of Chemistry and Food Chemistry, Dresden, Germany
| | - Núria López
- Institute of Chemical Research of Catalonia, The Barcelona Institute of Science and Technology, Tarragona, Spain
| | - Liane M Rossi
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo, Brazil
| | - Robert Wojcieszak
- Univ. Lille, CNRS, Centrale Lille, Univ. Artois, UMR 8181 - UCCS - Unité de catalyse et chimie du solide, Lille, France.
- Université de Lorraine and CNRS, L2CM UMR 7053, Nancy, France.
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40
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Zheng Y, Shen X, Lin M, Zhu M, Yang B, Yan J, Zhuang Z, Yu Y. Spatial Heterogeneity and Strong Coupling of Fe II /Fe III in an Individual Metal-Organic Framework Nanoparticle for Efficient CO 2 Photoreduction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2306836. [PMID: 37932023 DOI: 10.1002/smll.202306836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 09/27/2023] [Indexed: 11/08/2023]
Abstract
The synthesis and characterization of an FeII /FeIII metal-organic framework (MOF) nanocrystal with spatial heterogeneity that arises from the non-uniform distribution of different valence states is disclosed. The FeII /FeIII -Ni Prussian blue analog (PBA) delivers superior photocatalytic performance in the selective CO2 reduction reaction thanks to the strong FeII /FeIII coupling, with CO yield up to 12.27 mmol g-1 h-1 and 90.6% selectivity under visible-light irradiation. Density functional theory calculation and experimental studies prove that the spatial heterogeneity of FeII /FeIII in the individual MOF nanocrystal not only directs and expedites the charge transfer within a catalyst particle but also creates the heterogeneity of catalytically-active Ni sites for efficient CO2 photoreduction. The current findings add to a growing literature of materials with compositional heterogeneity and provide a reference for future research.
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Affiliation(s)
- Yanting Zheng
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian, 350108, China
- Key Laboratory of Advanced Materials Technologies, Fuzhou University, Fuzhou, 350108, China
| | - Xiaoxin Shen
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian, 350108, China
- Key Laboratory of Advanced Materials Technologies, Fuzhou University, Fuzhou, 350108, China
| | - Mingxiong Lin
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian, 350108, China
- Key Laboratory of Advanced Materials Technologies, Fuzhou University, Fuzhou, 350108, China
| | - Mengyao Zhu
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian, 350108, China
- Key Laboratory of Advanced Materials Technologies, Fuzhou University, Fuzhou, 350108, China
| | - Bixia Yang
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian, 350108, China
- Key Laboratory of Advanced Materials Technologies, Fuzhou University, Fuzhou, 350108, China
| | - Jiawei Yan
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian, 350108, China
- Key Laboratory of Advanced Materials Technologies, Fuzhou University, Fuzhou, 350108, China
| | - Zanyong Zhuang
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian, 350108, China
- Key Laboratory of Advanced Materials Technologies, Fuzhou University, Fuzhou, 350108, China
| | - Yan Yu
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian, 350108, China
- Key Laboratory of Advanced Materials Technologies, Fuzhou University, Fuzhou, 350108, China
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41
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Deshpande S, Vlachos DG. A Data and DFT-Driven Framework for Predicting the Microstructure of Submonolayer Inverse Metal Oxide on Metal Catalysts. J Phys Chem Lett 2024:2715-2722. [PMID: 38428034 DOI: 10.1021/acs.jpclett.4c00220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2024]
Abstract
Metal oxides on metal (inverse) catalysts can selectively drive many important reactions. However, understanding the active site under experimentally relevant conditions is lacking. Herein, we introduce a computational framework for predicting atomic models of stable inverse catalysts and demonstrate it for WOx on Pt(553) and a Pt79 nanoparticle at variable WOx coverages. An evolutionary algorithm identifies a small (5%) subset of promising atomic configurations on which DFT simulations are performed. We predict a maximum coverage of ∼50% WOx on Pt(553), consisting of small clusters (tetramers and pentamers), which preferentially reside on the terrace, with their oxygen atoms interacting with the Pt step sites. Consistently, WOx does not lie on curved and undercoordinated metal sites of Pt nanoparticles. The oxide clusters prefer a partially reduced oxidation state. Theoretical EXAFS spectra for select configurations provide insights into interpreting experimental spectra of inverse catalysts. The framework applies to other catalysts.
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Affiliation(s)
- Siddharth Deshpande
- Catalysis Center for Energy Innovation, 221 Academy Street, Newark, Delaware 19716, United States
- Department of Chemical and Biomolecular Engineering, University of Delaware, 150 Academy Street, Newark, Delaware 19716, United States
| | - Dionisios G Vlachos
- Catalysis Center for Energy Innovation, 221 Academy Street, Newark, Delaware 19716, United States
- Department of Chemical and Biomolecular Engineering, University of Delaware, 150 Academy Street, Newark, Delaware 19716, United States
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42
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Ishikawa R, Futazuka T, Jimbo Y, Kawahara K, Shibata N, Ikuhara Y. Real-time tracking of three-dimensional atomic dynamics of Pt trimer on TiO 2 (110). SCIENCE ADVANCES 2024; 10:eadk6501. [PMID: 38416833 PMCID: PMC10901364 DOI: 10.1126/sciadv.adk6501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Accepted: 01/25/2024] [Indexed: 03/01/2024]
Abstract
Single and multi-atoms supported on oxide substrates ultimately increase the efficiency of noble metal atom use, and moreover, catalytic activity and selectivity are also improved substantially. However, single and multi-atoms are unstable under catalytic conditions, and these metal atoms spontaneously aggregate and grow into nanoparticles. Catalytic performance is strongly related to local atomic configurations, and hence, it is essential to determine the three-dimensional (3D) atomic structures of multi-atoms on the substrate and their structural dynamics. Here, we show the real-time tracking of the 3D structural evolution of a Pt trimer on TiO2 (110) substrate at a high temperature, using high-spatiotemporal-resolution scanning transmission electron microscopy, where sub-angstrom spatial resolution is maintained, while the temporal resolution reaches 40 milliseconds. With the aid of prior structural knowledge of a Pt trimer for 3D reconstruction, the present method could open the way to characterize in situ atomic-scale structural dynamics, especially meta-stable structural transition.
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Affiliation(s)
- Ryo Ishikawa
- Institute of Engineering Innovation, University of Tokyo, Bunkyo, Tokyo 113-8656, Japan
| | - Toshihiro Futazuka
- Institute of Engineering Innovation, University of Tokyo, Bunkyo, Tokyo 113-8656, Japan
| | - Yu Jimbo
- EM Research and Development, JEOL Ltd., Akishima, Japan
| | - Kazuaki Kawahara
- Institute of Engineering Innovation, University of Tokyo, Bunkyo, Tokyo 113-8656, Japan
| | - Naoya Shibata
- Institute of Engineering Innovation, University of Tokyo, Bunkyo, Tokyo 113-8656, Japan
- Nanostructures Research Laboratory, Japan Fine Ceramics Center, Nagoya, Aichi 456-8587, Japan
| | - Yuichi Ikuhara
- Institute of Engineering Innovation, University of Tokyo, Bunkyo, Tokyo 113-8656, Japan
- Nanostructures Research Laboratory, Japan Fine Ceramics Center, Nagoya, Aichi 456-8587, Japan
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43
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Yang X, An Q, Li X, Fu Y, Yang S, Liu M, Xu Q, Zeng G. Charging modulation of the pyridine nitrogen of covalent organic frameworks for promoting oxygen reduction reaction. Nat Commun 2024; 15:1889. [PMID: 38424127 PMCID: PMC10904383 DOI: 10.1038/s41467-024-46291-y] [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: 06/20/2023] [Accepted: 02/20/2024] [Indexed: 03/02/2024] Open
Abstract
Covalent organic frameworks (COFs) are ideal templates for constructing metal-free catalysts for the oxygen reduction reaction due to their highly tuneable skeletons and controllable porous channels. However, the development of highly active sites within COFs remains challenging due to their limited electron-transfer capabilities and weak binding affinities for reaction intermediates. Herein, we constructed highly active catalytic centres by modulating the electronic states of the pyridine nitrogen atoms incorporated into the frameworks of COFs. By incorporating different pyridine units (such as pyridine, ionic pyridine, and ionic imidazole units), we tuned various properties including dipole moments, reductive ability, hydrophilicity, and binding affinities towards reaction intermediates. Notably, the ionic imidazole COF (im-PY-BPY-COF) exhibited greater activity than the neutral COF (PY-BPY-COF) and ionic pyridine COF (ion-PY-BPY-COF). Specifically, im-PY-BPY-COF demonstrated a half-wave potential of 0.80 V in 0.1 M KOH, outperforming other metal-free COFs. Theoretical calculations and in situ synchrotron radiation Fourier transform infrared spectroscopy confirmed that the carbon atoms in the ionic imidazole rings improved the activity by facilitating binding of the intermediate OOH* and promoting the desorption of OH*. This study provides new insights into the design of highly active metal-like COF catalysts.
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Affiliation(s)
- Xiubei Yang
- CAS Key Laboratory of Low-Carbon Conversion Science and Engineering, Shanghai Advanced Research Institute (SARI), Chinese Academy of Sciences (CAS) Shanghai, Shanghai, 201210, P. R. China
- School of Chemical Engineering, University of Chinese Academy of Sciences Beijing, Beijing, 100049, P. R. China
| | - Qizheng An
- National Synchrotron Radiation Laboratory, University of Science and Technology of China Hefei, Hefei, 230029, P.R. China
| | - Xuewen Li
- CAS Key Laboratory of Low-Carbon Conversion Science and Engineering, Shanghai Advanced Research Institute (SARI), Chinese Academy of Sciences (CAS) Shanghai, Shanghai, 201210, P. R. China
- School of Chemical Engineering, University of Chinese Academy of Sciences Beijing, Beijing, 100049, P. R. China
| | - Yubin Fu
- Center for Advancing Electronics Dresden (cfaed) & Faculty of Chemistry and Food Chemistry, Technische Universität Dresden Dresden, Dresden, 01062, Germany.
| | - Shuai Yang
- CAS Key Laboratory of Low-Carbon Conversion Science and Engineering, Shanghai Advanced Research Institute (SARI), Chinese Academy of Sciences (CAS) Shanghai, Shanghai, 201210, P. R. China
| | - Minghao Liu
- CAS Key Laboratory of Low-Carbon Conversion Science and Engineering, Shanghai Advanced Research Institute (SARI), Chinese Academy of Sciences (CAS) Shanghai, Shanghai, 201210, P. R. China
| | - Qing Xu
- CAS Key Laboratory of Low-Carbon Conversion Science and Engineering, Shanghai Advanced Research Institute (SARI), Chinese Academy of Sciences (CAS) Shanghai, Shanghai, 201210, P. R. China.
- School of Chemical Engineering, University of Chinese Academy of Sciences Beijing, Beijing, 100049, P. R. China.
| | - Gaofeng Zeng
- CAS Key Laboratory of Low-Carbon Conversion Science and Engineering, Shanghai Advanced Research Institute (SARI), Chinese Academy of Sciences (CAS) Shanghai, Shanghai, 201210, P. R. China.
- School of Chemical Engineering, University of Chinese Academy of Sciences Beijing, Beijing, 100049, P. R. China.
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44
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Miyazaki R, Belthle KS, Tüysüz H, Foppa L, Scheffler M. Materials Genes of CO 2 Hydrogenation on Supported Cobalt Catalysts: An Artificial Intelligence Approach Integrating Theoretical and Experimental Data. J Am Chem Soc 2024; 146:5433-5444. [PMID: 38374731 PMCID: PMC10910553 DOI: 10.1021/jacs.3c12984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 02/06/2024] [Accepted: 02/08/2024] [Indexed: 02/21/2024]
Abstract
Designing materials for catalysis is challenging because the performance is governed by an intricate interplay of various multiscale phenomena, such as the chemical reactions on surfaces and the materials' restructuring during the catalytic process. In the case of supported catalysts, the role of the support material can be also crucial. Here, we address this intricacy challenge by a symbolic-regression artificial intelligence (AI) approach. We identify the key physicochemical parameters correlated with the measured performance, out of many offered candidate parameters characterizing the materials, reaction environment, and possibly relevant underlying phenomena. Importantly, these parameters are obtained by both experiments and ab initio simulations. The identified key parameters might be called "materials genes", in analogy to genes in biology: they correlate with the property or function of interest, but the explicit physical relationship is not (necessarily) known. To demonstrate the approach, we investigate the CO2 hydrogenation catalyzed by cobalt nanoparticles supported on silica. Crucially, the silica support is modified with the additive metals magnesium, calcium, titanium, aluminum, or zirconium, which results in six materials with significantly different performances. These systems mimic hydrothermal vents, which might have produced the first organic molecules on Earth. The key parameters correlated with the CH3OH selectivity reflect the reducibility of cobalt species, the adsorption strength of reaction intermediates, and the chemical nature of the additive metal. By using an AI model trained on basic elemental properties of the additive metals (e.g., ionization potential) as physicochemical parameters, new additives are suggested. The predicted CH3OH selectivity of cobalt catalysts supported on silica modified with vanadium and zinc is confirmed by new experiments.
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Affiliation(s)
- Ray Miyazaki
- The
NOMAD Laboratory at the Fritz-Haber-Institut of the Max-Planck-Gesellschaft
and IRIS-Adlershof of the Humboldt-Universität zu Berlin, Faradayweg 4-6, Berlin 14195, Germany
| | - Kendra S Belthle
- Max-Planck-Institut
für Kohlenforschung, Kaiser-Wilhelm-Platz 1, Mülheim an
der Ruhr 45470, Germany
| | - Harun Tüysüz
- Max-Planck-Institut
für Kohlenforschung, Kaiser-Wilhelm-Platz 1, Mülheim an
der Ruhr 45470, Germany
| | - Lucas Foppa
- The
NOMAD Laboratory at the Fritz-Haber-Institut of the Max-Planck-Gesellschaft
and IRIS-Adlershof of the Humboldt-Universität zu Berlin, Faradayweg 4-6, Berlin 14195, Germany
| | - Matthias Scheffler
- The
NOMAD Laboratory at the Fritz-Haber-Institut of the Max-Planck-Gesellschaft
and IRIS-Adlershof of the Humboldt-Universität zu Berlin, Faradayweg 4-6, Berlin 14195, Germany
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45
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Dang Van C, Garain S, Ager JW, Kim M, Lee MH. Heterostructure of Fe-Doped CoMoO x/CoMoO x as an Efficient Electrocatalyst for Oxygen Evolution Reaction. ACS APPLIED MATERIALS & INTERFACES 2024; 16:9989-9998. [PMID: 38358461 DOI: 10.1021/acsami.3c14929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/16/2024]
Abstract
Oxygen evolution reaction (OER) plays a crucial role as a counter half-reaction for both electrochemical hydrogen production through water splitting and the generation of valuable carbon compounds via CO2 reduction. To overcome the sluggish kinetics of the OER, significant efforts have been devoted to developing cost-effective, sustainable, and efficient electrocatalysts, with transition-metal-based catalysts emerging as promising candidates. Herein, we successfully synthesized a core-shell type nanostructure of Fe-doped CoMoOx/CoMoOx (CMFO), which exhibits excellent electrocatalytic properties for OER. The presence of an amorphous layer of Fe-doped CoMoOx with abundant oxygen vacancies, along with the stability of a key OER intermediate, *O, contributes to the enhanced activity of CMFO catalyst compared to pristine CoMoOx (CMO). The optimized catalyst of CMFO-550 achieved much lower overpotential and Tafel slope and also exhibited better remarkable long-term stability for over 90 h compared to CMO-550. These findings highlight the potential of CMFO-550 as a cost-effective and highly efficient electrocatalyst for the OER. The successful development of this core-shell nanostructure opens up a new opportunity for the design and synthesis of advanced electrocatalysts for the OER, with implications for various applications in energy conversion and storage.
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Affiliation(s)
- Cu Dang Van
- Department of Applied Chemistry, Kyung Hee University, Yongin, Gyeonggi 17104, Korea
| | - Samiran Garain
- Department of Applied Chemistry, Kyung Hee University, Yongin, Gyeonggi 17104, Korea
| | - Joel W Ager
- Department of Materials Science and Engineering, University of California, Berkeley, California 94720, United States
- Materials Sciences Division and Joint Center for Artificial Photosynthesis, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Minho Kim
- Department of Applied Chemistry, Kyung Hee University, Yongin, Gyeonggi 17104, Korea
| | - Min Hyung Lee
- Department of Applied Chemistry, Kyung Hee University, Yongin, Gyeonggi 17104, Korea
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46
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Tian Y, Gao M, Xie H, Xu S, Ye M, Liu Z. Spatiotemporal Heterogeneity of Temperature and Catalytic Activation within Individual Catalyst Particles. J Am Chem Soc 2024; 146:4958-4972. [PMID: 38334752 DOI: 10.1021/jacs.3c14305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
Abstract
Temperature is a critical parameter in chemical conversion, significantly affecting the reaction kinetics and thermodynamics. Measuring temperature inside catalyst particles of industrial interest (∼micrometers to millimeters), which is crucial for understanding the evolution of chemical dynamics at catalytic active sites during reaction and advancing catalyst designs, however, remains a big challenge. Here, we propose an approach combining two-photon confocal microscopy and state-of-the-art upconversion luminescence (UL) imaging to measure the spatiotemporal-resolved temperature within individual catalyst particles in the industrially significant methanol-to-hydrocarbons reaction. Specifically, catalyst particles containing zeolites and functional nanothermometers were fabricated using microfluidic chips. Our experimental results directly demonstrate that the zeolite density and particle size can alter the temperature distribution within a single catalyst particle. Importantly, the observed temperature heterogeneity plays a decisive role in the activation of the reaction intermediate and the utilization of active sites. We expect that this work opens a venue for unveiling the reaction mechanism and kinetics within industrial catalyst particles by considering temperature heterogeneity.
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Affiliation(s)
- Yu Tian
- National Engineering Research Center of Lower-Carbon Catalysis Technology, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 10049, People's Republic of China
| | - Mingbin Gao
- National Engineering Research Center of Lower-Carbon Catalysis Technology, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China
| | - Hua Xie
- National Engineering Research Center of Lower-Carbon Catalysis Technology, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China
| | - Shuliang Xu
- National Engineering Research Center of Lower-Carbon Catalysis Technology, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China
| | - Mao Ye
- National Engineering Research Center of Lower-Carbon Catalysis Technology, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China
| | - Zhongmin Liu
- National Engineering Research Center of Lower-Carbon Catalysis Technology, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 10049, People's Republic of China
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47
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Arizapana K, Schossig J, Wildy M, Weber D, Gandotra A, Jayaraman S, Wei W, Xu K, Yu L, Mugweru AM, Mantawy I, Zhang C, Lu P. Harnessing the Synergy of Fe and Co with Carbon Nanofibers for Enhanced CO 2 Hydrogenation Performance. ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2024; 12:1868-1883. [PMID: 38333202 PMCID: PMC10848290 DOI: 10.1021/acssuschemeng.3c05489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 01/05/2024] [Accepted: 01/08/2024] [Indexed: 02/10/2024]
Abstract
Amid growing concerns about climate change and energy sustainability, the need to create potent catalysts for the sequestration and conversion of CO2 to value-added chemicals is more critical than ever. This work describes the successful synthesis and profound potential of high-performance nanofiber catalysts, integrating earth-abundant iron (Fe) and cobalt (Co) as well as their alloy counterpart, FeCo, achieved through electrospinning and judicious thermal treatments. Systematic characterization using an array of advanced techniques, including SEM, TGA-DSC, ICP-MS, XRF, EDS, FTIR-ATR, XRD, and Raman spectroscopy, confirmed the integration and homogeneous distribution of Fe/Co elements in nanofibers and provided insights into their catalytic nuance. Impressively, the bimetallic FeCo nanofiber catalyst, thermally treated at 1050 °C, set a benchmark with an unparalleled CO2 conversion rate of 46.47% at atmospheric pressure and a consistent performance over a 55 h testing period at 500 °C. Additionally, this catalyst exhibited prowess in producing high-value hydrocarbons, comprising 8.01% of total products and a significant 31.37% of C2+ species. Our work offers a comprehensive and layered understanding of nanofiber catalysts, delving into their transformations, compositions, and structures under different calcination temperatures. The central themes of metal-carbon interactions, the potential advantages of bimetallic synergies, and the importance of structural defects all converge to define the catalytic performance of these nanofibers. These revelations not only deepen our understanding but also set the stage for future endeavors in designing advanced nanofiber catalysts with bespoke properties tailored for specific applications.
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Affiliation(s)
- Kevin Arizapana
- Department
of Chemistry and Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
| | - John Schossig
- Department
of Chemistry and Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
| | - Michael Wildy
- Department
of Chemistry and Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
| | - Daniel Weber
- Chemistry
Department, Long Island University (Post), Brookville, New York 11548, United States
| | - Akash Gandotra
- Chemistry
Department, Long Island University (Post), Brookville, New York 11548, United States
| | - Sumedha Jayaraman
- Department
of Chemistry and Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
| | - Wanying Wei
- Department
of Chemistry and Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
| | - Kai Xu
- Department
of Chemistry and Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
| | - Lei Yu
- Department
of Chemistry and Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
| | - Amos M. Mugweru
- Department
of Chemistry and Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
| | - Islam Mantawy
- Department
of Civil and Environmental Engineering, Rowan University, Glassboro, New Jersey 08028, United States
| | - Cheng Zhang
- Chemistry
Department, Long Island University (Post), Brookville, New York 11548, United States
| | - Ping Lu
- Department
of Chemistry and Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
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48
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Couce PM, Madsen TK, Plaza-Mayoral E, Kristoffersen HH, Chorkendorff I, Dalby KN, van der Stam W, Rossmeisl J, Escudero-Escribano M, Sebastián-Pascual P. Tailoring the facet distribution on copper with chloride. Chem Sci 2024; 15:1714-1725. [PMID: 38303937 PMCID: PMC10829013 DOI: 10.1039/d3sc05988j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 12/20/2023] [Indexed: 02/03/2024] Open
Abstract
Electrocatalytic reactions are sensitive to the catalyst surface structure. Therefore, finding methods to determine active surface sites with different geometry is essential to address the structure-electrocatalytic performance relationships. In this work, we propose a simple methodology to tune and quantify the surface structure on copper catalysts. We tailor the distribution and ratio of facets on copper by electrochemically oxidizing and reducing the surface in chloride-rich aqueous solutions. We then address the formation of new facets with voltammetric lead (Pb) underpotential deposition (UPD). We first record the voltammetric lead UPD on different single facets, which have intense peaks at different potential values. We use this data to decouple each facet peak-contribution in the lead (Pb) UPD curves of the tailored and multifaceted copper surfaces and determine the geometry of the active sites. We combine experiments with density functional theory (DFT) calculations to assess the ligand effect of chloride anions on the copper facet distribution during the surface oxidation/electrodeposition treatment. Our experiments and Wulff constructions suggest that chloride preferentially adsorbs on the (310) facet, reducing the number of (111) sites and inducing the growth of (310) or n(100) × (110) domains. Our work provides a tool to correlate active sites with copper geometries, which is needed to assess the structure-performance relationships in electrocatalysis. We also demonstrate an easy method for selectively tailoring the facet distribution of copper, which is essential to design a well-defined nanostructured catalyst.
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Affiliation(s)
- Pedro Mazaira Couce
- Department of Chemistry, Center for High Entropy Catalysis (CHEAC), University of Copenhagen Universitetsparken 5 2100 Copenhagen Denmark
| | - Thor Kongstad Madsen
- Department of Chemistry, Center for High Entropy Catalysis (CHEAC), University of Copenhagen Universitetsparken 5 2100 Copenhagen Denmark
| | - Elena Plaza-Mayoral
- Department of Chemistry, Center for High Entropy Catalysis (CHEAC), University of Copenhagen Universitetsparken 5 2100 Copenhagen Denmark
| | - Henrik H Kristoffersen
- Department of Chemistry, Center for High Entropy Catalysis (CHEAC), University of Copenhagen Universitetsparken 5 2100 Copenhagen Denmark
| | - Ib Chorkendorff
- Department of Physics, Surface Physics and Catalysis, Technical University of Denmark Fysikvej DK-2800 Lyngby Denmark
| | | | - Ward van der Stam
- Utrecht University, Inorganic Chemistry and Catalysis, Debye Institute for Nanomaterials Science Netherlands
| | - Jan Rossmeisl
- Department of Chemistry, Center for High Entropy Catalysis (CHEAC), University of Copenhagen Universitetsparken 5 2100 Copenhagen Denmark
| | - María Escudero-Escribano
- Department of Chemistry, Center for High Entropy Catalysis (CHEAC), University of Copenhagen Universitetsparken 5 2100 Copenhagen Denmark
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, Barcelona Institute of Science and Technology UAB Campus, 08193 Bellaterra Barcelona Spain
- ICREA Pg. Lluís Companys 23 08010 Barcelona Spain
| | - Paula Sebastián-Pascual
- Department of Chemistry, Center for High Entropy Catalysis (CHEAC), University of Copenhagen Universitetsparken 5 2100 Copenhagen Denmark
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49
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Huang YP, Xia Y, Yang L, Gao YQ. PMC-IZ: A Simple Algorithm for the Electrostatics Calculation in Slab Geometric Molecular Dynamics Simulations. J Chem Theory Comput 2024; 20:832-841. [PMID: 38196086 DOI: 10.1021/acs.jctc.3c01124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2024]
Abstract
Slab geometric systems are widely utilized in molecular simulations. However, an efficient, straightforward, and accurate method for calculating electrostatic interactions in these systems for molecular dynamics (MD) simulations is still needed. This review introduces a PME-like approach called PMC-IZ, specifically designed for slab geometric systems. Traditional approaches for long-range electrostatic interaction calculations in slab geometry typically involve Ewald summation, where the Gaussian charge density is summed within 3D unit cells and then integrated in the 2D periodic space. In the proposed approach here, the Poisson equation was solved for a single Gaussian charge density within 2Dl periodic space, followed by convolution within 3D unit cells using an effective potential as the convolution kernel for summation. The effective potential ensures that the solution within the region of interest adheres strictly to 2D periodic boundary conditions while inherently possessing 3D periodic boundary condition properties. The PMC-IZ method provides for such systems accurate treatment of electrostatic interactions, overcomes limitations associated with finite vacuum layers, and offers improved computational efficiency. We thus postulate that this method provides a valuable tool for studying electrostatic interactions in slab geometric system MD simulations. It has promising applications in various areas such as surface science, catalysis, and materials research, where accurate modeling of slab geometric electrostatic interactions is essential.
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Affiliation(s)
- Yu-Peng Huang
- College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
- Beijing National Laboratory for Molecular Sciences, Peking University, Beijing 100871, China
- Biomedical Pioneering Innovation Center, Peking University, Beijing 100871, China
| | - Yijie Xia
- College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
- Beijing National Laboratory for Molecular Sciences, Peking University, Beijing 100871, China
- Biomedical Pioneering Innovation Center, Peking University, Beijing 100871, China
| | - Lijiang Yang
- College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
- Beijing National Laboratory for Molecular Sciences, Peking University, Beijing 100871, China
- Biomedical Pioneering Innovation Center, Peking University, Beijing 100871, China
| | - Yi Qin Gao
- College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
- Beijing National Laboratory for Molecular Sciences, Peking University, Beijing 100871, China
- Biomedical Pioneering Innovation Center, Peking University, Beijing 100871, China
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50
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Guo Y, Zhu B, Tang CY, Zhou Q, Zhu Y. Photogenerated outer electric field induced electrophoresis of organic nanocrystals for effective solid-solid photocatalysis. Nat Commun 2024; 15:428. [PMID: 38200002 PMCID: PMC10781792 DOI: 10.1038/s41467-024-44700-w] [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: 09/06/2023] [Accepted: 12/22/2023] [Indexed: 01/12/2024] Open
Abstract
Rapid mass transfer in solid-solid reactions is crucial for catalysis. Although phoretic nanoparticles offer potential for increased collision efficiency between solids, their implementation is hindered by limited interaction ranges. Here, we present a self-driven long-range electrophoresis of organic nanocrystals facilitated by a rationally designed photogenerated outer electric field (OEF) on their surface. Employing perylene-3,4,9,10-tetracarboxylic dianhydride (PTCDA) molecular nanocrystals as a model, we demonstrate that a directional OEF with an intensity of 13.6-0.4 kV m-1 across a range of 25-200 μm. This OEF-driven targeted electrophoresis of PTCDA nanocrystals onto the microplastic surface enhances the activity for subsequent decomposition of microplastics (196.8 mg h-1) into CO2 by solid-solid catalysis. As supported by operando characterizations and theoretical calculations, the OEF surrounds PTCDA nanocrystals initially, directing from the electron-rich (0 1 1) to the hole-rich [Formula: see text] surface. Upon surface charge modulation, the direction of OEF changes toward the solid substrate. The OEF-driven electrophoretic effect in organic nanocrystals with anisotropic charge enrichment characteristics indicates potential advancements in realizing effective solid-solid photocatalysis.
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Affiliation(s)
- Yan Guo
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
- Department of Civil Engineering, The University of Hong Kong, Hong Kong, 999077, China
| | - Bowen Zhu
- School of Environmental and Energy Engineering, Beijing University of Civil Engineering and Architecture, 100032, Beijing, China
| | - Chuyang Y Tang
- Department of Civil Engineering, The University of Hong Kong, Hong Kong, 999077, China.
| | - Qixin Zhou
- Department of Chemistry, Tsinghua University, Beijing, 100084, China.
| | - Yongfa Zhu
- Department of Chemistry, Tsinghua University, Beijing, 100084, China.
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