Materials Today Catalysis最新文献

{"title":"Recent developments in functionalized mesoporous materials for CO2 conversion","authors":"Arsh Ismaili,&nbsp;Gurwinder Singh,&nbsp;CI Sathish,&nbsp;Kavitha Ramadass,&nbsp;Vinay Naral,&nbsp;Stalin Joseph,&nbsp;Mercy Benzigar,&nbsp;Muhammad Ibrar Ahmed,&nbsp;Ajayan Vinu","doi":"10.1016/j.mtcata.2024.100077","DOIUrl":"10.1016/j.mtcata.2024.100077","url":null,"abstract":"<div><div>Mesoporous materials are flourishing across every major research discipline, including carbon capture and conversion, energy storage, biomedical, photocatalysis, optics, and magnetics, and their promising potential has led to a flurry of publications. Among these applications, CO₂ conversion using porous heterogeneous catalysts such as zeolites, clays, and mesoporous materials gained much attention in recent years as it has the potential to offer a solution for global warming. Although various porous catalysts have been used for CO₂ conversion, mesoporous materials are particularly interesting owing to their large specific surface area, pore volume and pore diameter. These properties can be effectively utilized for creating unique catalytically active sites by loading metal or metal oxide species with high dispersion which are highly critical for efficient CO₂ conversion. There have also been a significant number of reports on the direct use of mesoporous metal oxides, sulfides and/or phosphides, which exhibit appealing results for CO₂ conversion as these inherently contain metal sites, and mesoporosity addition to them is an added advantage. Their continuous evolution warrants more sophisticated research to unveil their hidden properties by engaging in highly advanced characterization. The major emphasis of this review is to discuss various types of mesoporous materials mentioned above and their functionalized derivatives for CO₂ conversion to mainly C1 products. The diverse range of mesoporous materials covered in this review will provide the readers with the opportunity to delve into their specific properties that control the efficiency of CO₂ conversion.</div></div>","PeriodicalId":100892,"journal":{"name":"Materials Today Catalysis","volume":"7 ","pages":"Article 100077"},"PeriodicalIF":0.0,"publicationDate":"2024-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142724113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Integrated in situ spectroscopic characterization of bi-functional nanoporous hybrid catalysts","authors":"Julio C. Fernandes P. Brito ,&nbsp;Geo Paul ,&nbsp;Claudio Cassino ,&nbsp;Ivana Miletto ,&nbsp;Leonardo Marchese ,&nbsp;Enrica Gianotti","doi":"10.1016/j.mtcata.2024.100075","DOIUrl":"10.1016/j.mtcata.2024.100075","url":null,"abstract":"<div><div>Bi-functional catalysts possess various catalytic sites and can catalyze different types of reactions in a single-pot cascade manner. Herein, we report the synthesis and characterization of mono- and bifunctional silica-based mesoporous hybrid catalysts involving acid and base active sites. The ability for cooperative catalysis has been investigated using a multi-technique approach involving powder X-ray diffraction, FT-IR, and multinuclear MAS NMR spectroscopy, as well as thermogravimetric analysis. To elucidate the nature and strength of multifunctional catalytic sites, different types of probe molecules were employed and studied using spectroscopic techniques. The results show that the activity of the mesoporous surface-grafted acid and/or base sites is directly related to the intimacy criterion, the separation between the different types of catalytic sites. The presence or absence of mutual interactions between the different catalytic sites dictates the selectivity and yield of the reactions.</div></div>","PeriodicalId":100892,"journal":{"name":"Materials Today Catalysis","volume":"7 ","pages":"Article 100075"},"PeriodicalIF":0.0,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142653305","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"MXenes as catalysts for lightweight hydrogen storage materials: A review","authors":"Jiayi Deng ,&nbsp;Yun Li ,&nbsp;Hua Ning ,&nbsp;Peilin Qing ,&nbsp;Xiantun Huang ,&nbsp;Hui Luo ,&nbsp;Liang Zhang ,&nbsp;Guangxu Li ,&nbsp;Cunke Huang ,&nbsp;Zhiqiang Lan ,&nbsp;Wenzheng Zhou ,&nbsp;Jin Guo ,&nbsp;Xinhua Wang ,&nbsp;Haizhen Liu","doi":"10.1016/j.mtcata.2024.100073","DOIUrl":"10.1016/j.mtcata.2024.100073","url":null,"abstract":"<div><div>Hydrogen can serve as a clean storage medium for large-scale renewable energy due to its characteristics of cleanness, high gravimetric energy density, abundant resources, and flexible applications. However, storing hydrogen in a manner both compactly and safely is still a thorny issue currently. Hydrogen storage in materials provides a feasible solution for such tough issue. Unfortunately, most of the light-weight hydrogen storage materials such as complex metal hydrides (LiBH₄, Mg(BH₄)₂, LiAlH₄, NaAlH₄, etc.), binary light-weight metal hydrides (MgH₂, AlH₃, etc.) are currently facing the problems of high thermal stability, slow desorption and absorption kinetics, or poor reversibility. Introduction of catalysts or constructing nanostructures are two of the feasible methods that can efficiently tailor the hydrogen storage properties of the materials. Recently two-dimensional (2D) transition metal carbides, nitrides, or carbonitrides (called MXenes) have shown great development potential as catalysts to regulate the performances of hydrogen storage materials due to their unique electronic properties, layered structures and catalytic activity of the transition metals contained. It is possible to simultaneously nanoconfine and catalyze the hydrogen storage materials by layered MXenes. In this review, the synthesis methods and application situation of MXenes are first briefly introduced. Then, the emphasis is placed on the research progress and recent advances of MXenes as catalysts for regulating the hydrogen storage properties of light materials such as MgH₂, AlH₃, LiAlH₄, NaAlH₄, LiBH₄, Mg(BH₄)₂ or multicomponent hydrogen storage composites such as LiBH₄−MgH₂, MgH₂−LiAlH₄, LiBH₄−Mg(BH₄)₂, etc. This review demonstrates that MXenes have exhibited very good catalytic activity on the dehydrogenation and rehydrogenation of various hydrogen storage materials. Since there is barely review focused on the various kinds of hydrogen storage materials, this review will close this gap and aims at making a comprehensive discussion and prospect on the studies of MXenes for regulating the properties of various kinds of hydrogen storage materials.</div></div>","PeriodicalId":100892,"journal":{"name":"Materials Today Catalysis","volume":"7 ","pages":"Article 100073"},"PeriodicalIF":0.0,"publicationDate":"2024-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142653303","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"One-step synthesis of fluorine-functionalized intercalated graphene with adjustable layer spacing for both enhanced physical and chemical hydrogen storage","authors":"Chaojie Liu ,&nbsp;Yongyang Zhu ,&nbsp;Anqi Zu ,&nbsp;Yike Liu ,&nbsp;Zhiyang Zhang ,&nbsp;Junjie Guo ,&nbsp;Chuo Lian ,&nbsp;Muen Zou ,&nbsp;Shun Wang","doi":"10.1016/j.mtcata.2024.100074","DOIUrl":"10.1016/j.mtcata.2024.100074","url":null,"abstract":"<div><div>Graphene-based materials with large specific surface area, strong stability and easy adjustability attract considerable attention in the field of hydrogen storage; however, they suffer from poor hydrogen adsorption ability as direct physical adsorbents or limited modification effect as catalytic supporters of chemical hydrides, blamed to tightly stacked layer structure and chemical inertness. Structural engineering and functional decoration on graphene have been proven to be effective strategies for enhancing both physical and chemical hydrogen storage performances, but there is still lack of simple and flexible method to achieve their synergy. Here for the first time, we develop a fluorine-functionalized intercalated graphene with adjustable layer spacing by one-step solvothermal process, using fluorinated organic molecules as both intercalation and function agents. By the virtue of expanded interlayer and high-electronegative fluorine, it shows polarization-enhanced physisorption ability. Moreover, when using it as the supporter for LiBH₄, the operation temperature, reaction kinetics and cyclic stability of the whole system are greatly improved, attributed to the intrinsic catalysis of carbonaceous materials and the destabilization induced by fluorine substitution. This work provides new views for structural and functional co-design in graphene derivate, and brings hope for their practical application for hydrogen storage.</div></div>","PeriodicalId":100892,"journal":{"name":"Materials Today Catalysis","volume":"7 ","pages":"Article 100074"},"PeriodicalIF":0.0,"publicationDate":"2024-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142653304","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"An active and durable ammonia cracking layer for direct ammonia protonic ceramic fuel cells","authors":"Liyan Chen,&nbsp;Hua Zhang,&nbsp;Kang Xu,&nbsp;Yangsen Xu,&nbsp;Xirui Zhang,&nbsp;Feng Zhu,&nbsp;Fan He,&nbsp;Yu Chen","doi":"10.1016/j.mtcata.2024.100072","DOIUrl":"10.1016/j.mtcata.2024.100072","url":null,"abstract":"<div><div>Ammonia protonic ceramic fuel cells (NH₃-PCFCs) are highly appealing energy conversion technologies due to their high efficiency, environmental responsibility, and benign safety features. Nonetheless, progress in NH₃-PCFCs is notably impeded by the restricted performance and insufficient lifespan of standard Ni-cermet anodes for ammonia cracking, especially at 550 °C or below. Herein, we report an efficient ammonia cracking layer with a formula of xCo₃O₄/100-xBaZr_0.8Y_0.2O_3-δ (Co/BZY) (x=10, 20, 30), which is deposited onto the Ni-BaZr_0.1Ce_0.7Y_0.1Yb_0.1O_3−δ (BZCYYb) anode to significantly enhance the NH₃ decomposition catalytic activity, thereby improving the performance and durability of NH₃-PCFCs at low temperatures. The cells with the addition of a 20Co/80BZY anode catalytic layer (ACL) exhibit low area-specific resistance (ASR) and promising operational longevity under NH₃ conditions. At 550°C, the NH₃-PCFCs with a 20Co/80BZY ACL exhibit a high peak power density of 0.626 W cm⁻² and promising operation durability. This study provides important guidance for constructing high-performance and durable NH₃-PCFCs.</div></div>","PeriodicalId":100892,"journal":{"name":"Materials Today Catalysis","volume":"7 ","pages":"Article 100072"},"PeriodicalIF":0.0,"publicationDate":"2024-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142593826","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"In situ photothermal catalytic cell for X-ray absorption fine structure spectroscopy measurement","authors":"Bingbao Mei ,&nbsp;Di Shen ,&nbsp;Yao Wei ,&nbsp;Jingyuan Ma ,&nbsp;Fanfei Sun","doi":"10.1016/j.mtcata.2024.100071","DOIUrl":"10.1016/j.mtcata.2024.100071","url":null,"abstract":"<div><div>The burgeoning field of photothermal catalysis has garnered increasing interest due to the synergistic effects of light and thermal activation. Understanding the intrinsic reaction dynamics and structural evolution during the photothermal catalytic process is crucial for the design of effective photothermal devices and catalysts, as well as for optimizing photothermal performance. <em>In situ</em> X-ray absorption fine structure (XAFS) spectroscopy under operational conditions provides a powerful tool for revealing deep insights into atomic and electronic structures. In this study, we designed and constructed a multifunctional <em>in situ</em> photothermal catalytic cell for XAFS measurement, incorporating gas flow, optical sensing, temperature control, and monitoring. We detail the systematic design of the cell, facilitating the further development of portable and effective devices. To validate the cell’s performance, we used commercial WO₃ powder as a reference and obtained high-quality XAFS spectra under the influence of light and heat; we also explored the enhanced charge separation efficiency and the consequent improvement in reaction kinetics due to light irradiation. This study underscores the critical role of <em>in situ</em> cells in operational settings and offers a novel perspective on the mechanisms underlying photothermal reactions.</div></div>","PeriodicalId":100892,"journal":{"name":"Materials Today Catalysis","volume":"7 ","pages":"Article 100071"},"PeriodicalIF":0.0,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142537988","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Exploring complete catalytic cycle of methane oxidation to methanol on Cu2O2 stabilized within MIL-53(Al) framework: A combined DFT and microkinetic study","authors":"Santhanamoorthi Nachimuthu,&nbsp;Chen-Wei Yeh,&nbsp;Chi-You Liu,&nbsp;Mao-Sheng Su,&nbsp;Jyh-Chiang Jiang","doi":"10.1016/j.mtcata.2024.100070","DOIUrl":"10.1016/j.mtcata.2024.100070","url":null,"abstract":"<div><div>Although inspiration from copper-based natural enzymes has shown promise in improving catalyst design for methane-to-methanol (MTM) oxidation, high productivity, and selectivity under mild conditions remain a significant challenge. This study constructs the dinuclear copper (Cu₂) species stabilized within the metal-organic framework (MOF), MIL-53(Al), containing Cu as efficient catalytic sites and explores the ability of different oxidants (O₂, N₂O, and H₂O₂) to oxidize Cu₂ into the dicopper-oxo (Cu₂O₂) species using density functional theory (DFT) calculations. Our results indicate the kinetic and thermodynamic favorability of Cu₂O₂ species formation using O₂ as an oxidant within the MIL-53(Al) framework. Furthermore, the thermal stability of Cu₂O₂/MIL-53(Al) has been verified via ab initio molecular dynamics (AIMD) calculations. The kinetics of the complete MTM oxidation cycle over Cu₂O₂/MIL-53(Al) have been studied using both DFT and microkinetic simulation methods. The present study predicts that the C-H activation on the Cu₂O₂/MIL-53(Al) has a low free energy barrier (0.77 eV) and that the high stability of CH₃ and its very low free energy barrier in the C-O coupling step favors the methanol formation over the formaldehyde. More importantly, Cu₂O₂/MIL-53(Al) exhibits high methanol selectivity owing to the inhibition of CH₃ dehydrogenation and low methanol desorption energy (0.21 eV). Microkinetic simulations confirm the methanol production under relatively mild reaction conditions (200–280 K and 1 bar). This work provides insights into the feasibility of selective MTM oxidation over this family of MOF under mild conditions.</div></div>","PeriodicalId":100892,"journal":{"name":"Materials Today Catalysis","volume":"7 ","pages":"Article 100070"},"PeriodicalIF":0.0,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142532271","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mo2Ti2C3TX MXene performance in catalytic CO2 hydrogenation and its promotion with single Pt atoms","authors":"Yilong Yan ,&nbsp;Franck Morfin ,&nbsp;Bei-Bei Xiao ,&nbsp;Hazar Guesmi ,&nbsp;Mimoun Aouine ,&nbsp;Mathieu Prévot ,&nbsp;Sophie Morisset ,&nbsp;Stéphane Célérier ,&nbsp;Laurent Piccolo","doi":"10.1016/j.mtcata.2024.100069","DOIUrl":"10.1016/j.mtcata.2024.100069","url":null,"abstract":"<div><div>Mo₂Ti₂C₃T_x MXene materials, bare or loaded with strongly anchored single Pt atoms, were investigated using various methods, including STEM, XPS, XAS and DFT calculations. Upon Pt impregnation, the delaminated Mo-rich MXene surface undergoes partial oxidation, which is reversed by an H₂ thermal treatment at 400 °C. The optimized MXene shows high catalytic activity for CO₂ hydrogenation to CO and smaller amounts of methane and methanol. Around and above the pretreatment temperature of 400 °C, the MXene is gradually defunctionalized from O- and F-containing groups and depleted in carbidic carbon, leading to deactivation. Single Pt atoms are cationic after impregnation, and reduce upon H₂ treatment, filling surface Mo vacancies. Pt addition increases the MXene activity, in particular by facilitating H₂ dissociation, but has little effect on the single-atom catalyst selectivity and on the rate dependence upon reactant partial pressures. The lowest Pt loading leads to the highest turnover frequency, indicating that the MXene surface sites are key to CO₂ activation.</div></div>","PeriodicalId":100892,"journal":{"name":"Materials Today Catalysis","volume":"7 ","pages":"Article 100069"},"PeriodicalIF":0.0,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142532270","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Advanced in situ characterization techniques for studying the dynamics of solid-liquid interface in electrocatalytic reactions","authors":"Shiyu Li ,&nbsp;Jin Yan ,&nbsp;Xiaoxia Chen ,&nbsp;Chudi Ni ,&nbsp;Yiwen Chen ,&nbsp;Meihuan Liu ,&nbsp;Hui Su","doi":"10.1016/j.mtcata.2024.100068","DOIUrl":"10.1016/j.mtcata.2024.100068","url":null,"abstract":"<div><div>The reaction kinetics at the solid-liquid interface significantly affects the rate of electrocatalytic reactions. At the atomic and molecular levels, accurately identifying the structural evolution of active sites, the evolution of reaction intermediates, and the mechanism of catalytic reactions play an important role for designing efficient catalysts in electrochemical energy storage and conversion technologies, though it remains highly challenging. This review systematically scrutinizes recent achievements in the dynamic investigation of solid-liquid electrochemical interfaces during electrocatalysis, using <em>in situ</em> synchrotron X-ray absorption fine structure (SR-XAFS) and synchrotron Fourier-transform infrared spectroscopy (SR-FTIR). It provides a comprehensive discussion on the continuous development of <em>in situ</em> SR-XAFS and SR-FTIR, with particular emphasis on the content of multi-scale monitoring the structural evolution of active centers. Moreover, the review highlights the unique and powerful role of correlative SR-XAFS/FTIR in exploring the dynamic of solid-liquid electrochemical interfaces in mainstream research areas such as electrocatalytic water splitting, oxygen reduction, nitrate reduction, and carbon dioxide reduction. Finally, the challenges and prospects of identifying the kinetic behavior of solid-liquid electrocatalytic interfaces in electrocatalytic materials under working conditions. This review aims to offer ample, reliable, and complementary information on the dynamic evolution of the interface during the electrocatalytic process, thereby guiding the rational design of advanced catalytic materials with outstanding activity, selectivity, and stability.</div></div>","PeriodicalId":100892,"journal":{"name":"Materials Today Catalysis","volume":"7 ","pages":"Article 100068"},"PeriodicalIF":0.0,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142441771","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Engrossing structural developments of double perovskites for viable energy applications","authors":"Mariyam Saniya ,&nbsp;Iqra Sadiq ,&nbsp;Saman Shaheen ,&nbsp;Sarvari Khatoon ,&nbsp;Tokeer Ahmad","doi":"10.1016/j.mtcata.2024.100067","DOIUrl":"10.1016/j.mtcata.2024.100067","url":null,"abstract":"<div><div>Investigation for novel functional catalysts illustrates an essential direction in advancing and researching renewable energy. On account of their specific compositional and structural tunability and remarkable stability, double perovskites have been extensively examined as a category of versatile compounds for applications in photocatalysis and electrocatalysis, highlighting them as a promising candidate for catalytic performance and stability. In this review article, we have elaborated on the tunability of double perovskites in terms of their compositions and structures, which proved to be tremendous features for double perovskites in diverse applications. Furthermore, the fabrication methods and the performance optimization comprising band gap tuning of double perovskites have been discussed. The current status of double perovskites for photocatalytic and electrocatalytic H₂ production and CO₂ reduction, with recent reports, has also been reviewed. Lastly, the challenges and future outlook are put forward.</div></div>","PeriodicalId":100892,"journal":{"name":"Materials Today Catalysis","volume":"7 ","pages":"Article 100067"},"PeriodicalIF":0.0,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142445410","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}