1
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Othman A, Gowda A, Andreescu D, Hassan MH, Babu SV, Seo J, Andreescu S. Two decades of ceria nanoparticle research: structure, properties and emerging applications. MATERIALS HORIZONS 2024; 11:3213-3266. [PMID: 38717455 DOI: 10.1039/d4mh00055b] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/16/2024]
Abstract
Cerium oxide nanoparticles (CeNPs) are versatile materials with unique and unusual properties that vary depending on their surface chemistry, size, shape, coating, oxidation states, crystallinity, dopant, and structural and surface defects. This review encompasses advances made over the past twenty years in the development of CeNPs and ceria-based nanostructures, the structural determinants affecting their activity, and translation of these distinct features into applications. The two oxidation states of nanosized CeNPs (Ce3+/Ce4+) coexisting at the nanoscale level facilitate the formation of oxygen vacancies and defect states, which confer extremely high reactivity and oxygen buffering capacity and the ability to act as catalysts for oxidation and reduction reactions. However, the method of synthesis, surface functionalization, surface coating and defects are important factors in determining their properties. This review highlights key properties of CeNPs, their synthesis, interactions, and reaction pathways and provides examples of emerging applications. Due to their unique properties, CeNPs have become quintessential candidates for catalysis, chemical mechanical planarization (CMP), sensing, biomedical applications, and environmental remediation, with tremendous potential to create novel products and translational innovations in a wide range of industries. This review highlights the timely relevance and the transformative potential of these materials in addressing societal challenges and driving technological advancements across these fields.
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Affiliation(s)
- Ali Othman
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, New York 13699-5810, USA.
- Department of Chemical and Biomolecular Engineering, Clarkson University, Potsdam, New York 13699, USA.
| | - Akshay Gowda
- Department of Chemical and Biomolecular Engineering, Clarkson University, Potsdam, New York 13699, USA.
| | - Daniel Andreescu
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, New York 13699-5810, USA.
| | - Mohamed H Hassan
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, New York 13699-5810, USA.
| | - S V Babu
- Department of Chemical and Biomolecular Engineering, Clarkson University, Potsdam, New York 13699, USA.
| | - Jihoon Seo
- Department of Chemical and Biomolecular Engineering, Clarkson University, Potsdam, New York 13699, USA.
| | - Silvana Andreescu
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, New York 13699-5810, USA.
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2
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Xu J, Bian Y, Tian W, Pan C, Wu CE, Xu L, Wu M, Chen M. The Structures and Compositions Design of the Hollow Micro-Nano-Structured Metal Oxides for Environmental Catalysis. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:1190. [PMID: 39057867 PMCID: PMC11280307 DOI: 10.3390/nano14141190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2024] [Revised: 06/23/2024] [Accepted: 06/29/2024] [Indexed: 07/28/2024]
Abstract
In recent decades, with the rapid development of the inorganic synthesis and the increasing discharge of pollutants in the process of industrialization, hollow-structured metal oxides (HSMOs) have taken on a striking role in the field of environmental catalysis. This is all due to their unique structural characteristics compared to solid nanoparticles, such as high loading capacity, superior pore permeability, high specific surface area, abundant inner void space, and low density. Although the HSMOs with different morphologies have been reviewed and prospected in the aspect of synthesis strategies and potential applications, there has been no systematic review focusing on the structures and compositions design of HSMOs in the field of environmental catalysis so far. Therefore, this review will mainly focus on the component dependence and controllable structure of HSMOs in the catalytic elimination of different environmental pollutants, including the automobile and stationary source emissions, volatile organic compounds, greenhouse gases, ozone-depleting substances, and other potential pollutants. Moreover, we comprehensively reviewed the applications of the catalysts with hollow structure that are mainly composed of metal oxides such as CeO2, MnOx, CuOx, Co3O4, ZrO2, ZnO, Al3O4, In2O3, NiO, and Fe3O4 in automobile and stationary source emission control, volatile organic compounds emission control, and the conversion of greenhouse gases and ozone-depleting substances. The structure-activity relationship is also briefly discussed. Finally, further challenges and development trends of HSMO catalysts in environmental catalysis are also prospected.
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Affiliation(s)
- Jingxin Xu
- State Key Laboratory of Low-Carbon Smart Coal-Fired Power Generation and Ultra-Clean Emission, China Energy Science and Technology Research Institute Co., Ltd., Nanjing 210023, China; (J.X.); (W.T.)
| | - Yufang Bian
- Collaborative Innovation Centre of the Atmospheric Environment and Equipment Technology, School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Nanjing 210044, China;
| | - Wenxin Tian
- State Key Laboratory of Low-Carbon Smart Coal-Fired Power Generation and Ultra-Clean Emission, China Energy Science and Technology Research Institute Co., Ltd., Nanjing 210023, China; (J.X.); (W.T.)
| | - Chao Pan
- State Key Laboratory of Low-Carbon Smart Coal-Fired Power Generation and Ultra-Clean Emission, China Energy Science and Technology Research Institute Co., Ltd., Nanjing 210023, China; (J.X.); (W.T.)
| | - Cai-e Wu
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China;
| | - Leilei Xu
- Collaborative Innovation Centre of the Atmospheric Environment and Equipment Technology, School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Nanjing 210044, China;
| | - Mei Wu
- National & Local Joint Engineering Research Center for Mineral Salt Deep Utilization, Huaiyin Institute of Technology, Huaian 223003, China
| | - Mindong Chen
- Collaborative Innovation Centre of the Atmospheric Environment and Equipment Technology, School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Nanjing 210044, China;
- School of Environment and Energy Engineering, Anhui Jianzhu University, Hefei 230009, China
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3
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Ogada J, Ehirim TJ, Ipadeola AK, Haruna AB, Mwonga PV, Abdullah AM, Yang XY, Eid K, Wamwangi DM, Ozoemena KI. Interfacial Electronic Interactions within the Pd-CeO 2/Carbon Onions Define the Efficient Electrocatalytic Ethanol Oxidation Reaction in Alkaline Electrolytes. ACS OMEGA 2024; 9:7439-7451. [PMID: 38405481 PMCID: PMC10882676 DOI: 10.1021/acsomega.3c04427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 09/24/2023] [Accepted: 09/27/2023] [Indexed: 02/27/2024]
Abstract
Porous Pd-based electrocatalysts are promising materials for alkaline direct ethanol fuel cells (ADEFCs) and ethanol sensors in the development of renewable energy and point-of-contact ethanol sensor test kits for drunk drivers. However, experimental and theoretical investigations of the interfacial interaction among Pd nanocrystals on supports (i.e., carbon black (CB), onion-like carbon (OLC), and CeO2/OLC) toward ADEFC and ethanol sensors are not yet reported. This is based on the preparation of Pd-CeO2/OLC nanocrystals by the sol-gel and impregnation methods. Evidently, the porous Pd-CeO2/OLC significantly increased membrane-free micro-3D-printed ADEFC performance with a high peak power density (Pmax = 27.15 mW cm-2) that is 1.38- and 7.58-times those of Pd/OLC (19.72 mW cm-2) and Pd/CB (3.59 mW cm-2), besides its excellent stability for 48 h. This is due to the excellent interfacial interaction among Pd, CeO2, and OLC, evidenced by density functional theory (DFT) simulations that showed a modulated Pd d-band center and facile active oxygenated species formation by the CeO2 needed for ethanol fuel cells. Similarly, Pd-CeO2/OLC gives excellent sensitivity (0.00024 mA mM-1) and limit of detection (LoD = 8.7 mM) for ethanol sensing and satisfactory recoveries (89-108%) in commercial alcoholic beverages (i.e., human serum, Amstel beer, and Nederberg Wine). This study shows the excellent possibility of utilizing Pd-CeO2/OLC for future applications in fuel cells and alcohol sensors.
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Affiliation(s)
- Jimodo
J. Ogada
- School
of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg 2050, South Africa
- School
of Physics, University of the Witwatersrand, Johannesburg 2050, South Africa
| | - Tobechukwu J. Ehirim
- School
of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg 2050, South Africa
| | - Adewale K. Ipadeola
- School
of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg 2050, South Africa
- Gas
Processing Center (GPC), College of Engineering, Qatar University, Doha 2713, Qatar
- Center
for Advanced Materials, Qatar University, Doha 2713, Qatar
| | - Aderemi B. Haruna
- School
of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg 2050, South Africa
| | - Patrick V. Mwonga
- School
of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg 2050, South Africa
| | | | - Xiao-Yu Yang
- School
of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg 2050, South Africa
- State
Key Laboratory of Advanced Technology for Materials Synthesis and
Processing, School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
| | - Kamel Eid
- Gas
Processing Center (GPC), College of Engineering, Qatar University, Doha 2713, Qatar
| | - Daniel M. Wamwangi
- School
of Physics, University of the Witwatersrand, Johannesburg 2050, South Africa
| | - Kenneth I. Ozoemena
- School
of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg 2050, South Africa
- State
Key Laboratory of Advanced Technology for Materials Synthesis and
Processing, School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
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4
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Cao Y, Ran R, Wu X, Si Z, Kang F, Weng D. Progress on metal-support interactions in Pd-based catalysts for automobile emission control. J Environ Sci (China) 2023; 125:401-426. [PMID: 36375925 DOI: 10.1016/j.jes.2022.01.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 12/30/2021] [Accepted: 01/06/2022] [Indexed: 06/16/2023]
Abstract
The interactions between metals and oxide supports, so-called metal-support interactions (MSI), are of great importance in heterogeneous catalysis. Pd-based automotive exhaust control catalysts, especially Pd-based three-way catalysts (TWCs), have received considerable research attention owing to its prominent oxidation activity of HCs/CO, as well as excellent thermal stability. For Pd-based TWCs, the dispersion, chemical state and thermal stability of Pd species, which are crucial to the catalytic performance, are closely associated with interactions between metal nanoparticles and their supporting matrix. Progress on the research about MSI and utilization of MSI in advanced Pd-based three-way catalysts are reviewed here. Along with the development of advanced synthesis approaches and engine control technology, the study on MSI would play a notable role in further development of catalysts for automobile exhaust control.
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Affiliation(s)
- Yidan Cao
- Institute of Materials Research, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China; Tsinghua-Berkeley Shenzhen Institute, Tsinghua University, Shenzhen 518055, China.
| | - Rui Ran
- School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China
| | - Xiaodong Wu
- School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China
| | - Zhichun Si
- Institute of Materials Research, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Feiyu Kang
- Institute of Materials Research, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China; Tsinghua-Berkeley Shenzhen Institute, Tsinghua University, Shenzhen 518055, China
| | - Duan Weng
- School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China.
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5
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Vaidh S, Parekh D, Patel D, Vishwakarma GS. Leachate treatment potential of nanomaterial based assemblies: a systematic review on recent development. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2022; 85:3285-3300. [PMID: 35704411 DOI: 10.2166/wst.2022.168] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Rapid development of the population has brought about a serious problem of waste generation and management. Open dumping and land filling are two of the preferred options for waste management and treatment. As a consequence of this, the accumulation of leachates has become one of the concerns for environmental sustainability. In this regard, various treatment methodologies have been developed in recent decades. Among them, the nanomaterial-based approaches are the emerging ones in the current scenario due to their various unique properties. Furthermore, nanomaterial-based assemblies (i.e., nanomaterials combined with microbes, chemical catalysts, enzymes, and so on) have been introduced as a novel modification for leachate treatment. This work, therefore, has been dedicated to comprehensively reviewing all nanomaterial based leachate treatment techniques. In this regard, the first part of this review will discuss the nano catalyst, nano adsorbent along with their synthesis and mechanistic view of pollutant removal potential. In the second part, the nanomaterial-based microbial conjugates applied in the leachate treatments have been discussed. Apart from this, various other nanomaterial-based methods have been discussed in the third part of the review. Hence this review is providing an insight of all the recent developments pertaining to the nano material based leachate treatment techniques.
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Affiliation(s)
- Sachin Vaidh
- Department of Biological Science and Biotechnology, Institute of Advanced Research, Gandhinagar, Gujarat 382426, India E-mail:
| | - Dharni Parekh
- Department of Biological Science and Biotechnology, Institute of Advanced Research, Gandhinagar, Gujarat 382426, India E-mail:
| | - Dhara Patel
- Department of Biological Science and Biotechnology, Institute of Advanced Research, Gandhinagar, Gujarat 382426, India E-mail:
| | - Gajendra Singh Vishwakarma
- Department of Biological Science and Biotechnology, Institute of Advanced Research, Gandhinagar, Gujarat 382426, India E-mail:
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6
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Werner D, Deacon G, Junk PC. Serendipitous Formation of a Cerium(IV)‐Mercury(II) Separated Ion Coordination Polymer. Z Anorg Allg Chem 2022. [DOI: 10.1002/zaac.202200142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
| | | | - Peter Courtney Junk
- James Cook University Dept. of Chemistry James Cook Drive 4811 Townsville AUSTRALIA
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7
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Wen Y, Huang Q, Zhang Z, Huang W. Morphology‐Dependent
Catalysis of
CeO
2
‐Based
Nanocrystal Model Catalysts. CHINESE J CHEM 2022. [DOI: 10.1002/cjoc.202200147] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yang Wen
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Key Laboratory for Reactive Chemistry on Solid Surfaces, Institute of Physical Chemistry Zhejiang Normal University Jinhua 321004 People's Republic of China
| | - Qiuyu Huang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Key Laboratory for Reactive Chemistry on Solid Surfaces, Institute of Physical Chemistry Zhejiang Normal University Jinhua 321004 People's Republic of China
| | - Zhenhua Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Key Laboratory for Reactive Chemistry on Solid Surfaces, Institute of Physical Chemistry Zhejiang Normal University Jinhua 321004 People's Republic of China
| | - Weixin Huang
- Hefei National Laboratory for Physical Sciences at the Microscale, Key Laboratory of Surface and Interface Chemistry and Energy Cataly‐sis of Anhui Higher Education Institutes and Department of Chemical Physics University of Science and Technology of China Hefei 230026 People's Republic of China
- Dalian National Laboratory for Clean Energy Chinese Academy of Sciences Dalian 116023 People's Republic of China
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8
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A facile hydrothermal synthesis of novel CeO2/CdSe and CeO2/CdTe Nanocomposites: Spectroscopic investigations for economically feasible photocatalytic degradation of Congo red dye. INORG CHEM COMMUN 2021. [DOI: 10.1016/j.inoche.2021.108750] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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9
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Rathee G, Bartwal G, Rathee J, Mishra YK, Kaushik A, Solanki PR. Emerging Multimodel Zirconia Nanosystems for High‐Performance Biomedical Applications. ADVANCED NANOBIOMED RESEARCH 2021. [DOI: 10.1002/anbr.202100039] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Affiliation(s)
- Garima Rathee
- Special Centre for Nano science Jawaharlal Nehru University New Delhi India
| | - Gaurav Bartwal
- Hemwati Nandan Bahuguna Garhwal University Birla Campus, Pauri Garhwal Srinagar Uttarakhand 246174 India
| | - Jyotsna Rathee
- CSE Department Deenbandhu Chhoturam University of Science and Technology Murthal Haryana 131039 India
| | - Yogendra Kumar Mishra
- Mads Clausen Institute NanoSYD University of Southern Denmark Alison 2 6400 Sønderborg Denmark
| | - Ajeet Kaushik
- NanoBioTech Laboratory Department of Natural Sciences, Division of Sciences, Art, and Mathematics Florida Polytechnic University Lakeland FL 33805 USA
| | - Pratima R. Solanki
- Special Centre for Nano science Jawaharlal Nehru University New Delhi India
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10
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Facet-Dependent Reactivity of Ceria Nanoparticles Exemplified by CeO2-Based Transition Metal Catalysts: A Critical Review. Catalysts 2021. [DOI: 10.3390/catal11040452] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The rational design and fabrication of highly-active and cost-efficient catalytic materials constitutes the main research pillar in catalysis field. In this context, the fine-tuning of size and shape at the nanometer scale can exert an intense impact not only on the inherent reactivity of catalyst’s counterparts but also on their interfacial interactions; it can also opening up new horizons for the development of highly active and robust materials. The present critical review, focusing mainly on our recent advances on the topic, aims to highlight the pivotal role of shape engineering in catalysis, exemplified by noble metal-free, CeO2-based transition metal catalysts (TMs/CeO2). The underlying mechanism of facet-dependent reactivity is initially discussed. The main implications of ceria nanoparticles’ shape engineering (rods, cubes, and polyhedra) in catalysis are next discussed, on the ground of some of the most pertinent heterogeneous reactions, such as CO2 hydrogenation, CO oxidation, and N2O decomposition. It is clearly revealed that shape functionalization can remarkably affect the intrinsic features and in turn the reactivity of ceria nanoparticles. More importantly, by combining ceria nanoparticles (CeO2 NPs) of specific architecture with various transition metals (e.g., Cu, Fe, Co, and Ni) remarkably active multifunctional composites can be obtained due mainly to the synergistic metalceria interactions. From the practical point of view, novel catalyst formulations with similar or even superior reactivity to that of noble metals can be obtained by co-adjusting the shape and composition of mixed oxides, such as Cu/ceria nanorods for CO oxidation and Ni/ceria nanorods for CO2 hydrogenation. The conclusions derived could provide the design principles of earth-abundant metal oxide catalysts for various real-life environmental and energy applications.
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11
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Xu Y, Mofarah SS, Mehmood R, Cazorla C, Koshy P, Sorrell CC. Design strategies for ceria nanomaterials: untangling key mechanistic concepts. MATERIALS HORIZONS 2021; 8:102-123. [PMID: 34821292 DOI: 10.1039/d0mh00654h] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
The morphologies of ceria nanocrystals play an essential role in determining their redox and catalytic performances in many applications, yet the effects of synthesis variables on the formation of ceria nanoparticles of different morphologies and their related growth mechanisms have not been systematised. The design of these morphologies is underpinned by a range of fundamental parameters, including crystallography, optical mineralogy, the stabilities of exposed crystallographic planes, CeO2-x stoichiometry, phase equilibria, thermodynamics, defect equilibria, and the crystal growth mechanisms. These features are formalised and the key analytical methods used for analysing defects, particularly the critical oxygen vacancies, are surveyed, with the aim of providing a source of design parameters for the synthesis of nanocrystals, specifically CeO2-x. However, the most important aspect in the design of CeO2-x nanocrystals is an understanding of the roles of the main variables used for synthesis. While there is a substantial body of data on CeO2-x morphologies fabricated using low cerium concentrations ([Ce]) under different experimental conditions, the present work fully maps the effects of the relevant variables on the resultant CeO2-x morphologies in terms of the commonly used raw materials [Ce] (and [NO3-] in Ce(NO3)3·6H2O) as feedstock, [NaOH] as precipitating agent, temperature, and time (as well as the complementary vapour pressure). Through the combination of consideration of the published literature and the generation of key experimental data to fill in the gaps, a complete mechanistic description of the development of the main CeO2-x morphologies is illustrated. Further, the mechanisms of the conversion of nanochains into the two variants of nanorods, square and hexagonal, have been elucidated through crystallographic reasoning. Other key conclusions for the crystal growth process are the critical roles of (1) the formation of Ce(OH)4 crystallite nanochains as the precursors of nanorods and (2) the disassembly of the nanorods into Ce(OH)4 crystallites and NO3--assisted reassembly into nanocubes (and nanospheres) as an unrecognised intermediate stage of crystal growth.
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Affiliation(s)
- Yuwen Xu
- School of Materials Science and Engineering, UNSW Sydney, Australia.
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12
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Zhou Y. Controllable design, synthesis and characterization of nanostructured rare earth metal oxides. PHYSICAL SCIENCES REVIEWS 2020. [DOI: 10.1515/psr-2018-0084] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Rare earth metal oxide nanomaterials have drawn much attention in recent decades due to their unique properties and promising applications in catalysis, chemical and biological sensing, separation, and optical devices. Because of the strong structure–property correlation, controllable synthesis of nanomaterials with desired properties has long been the most important topic in nanoscience and nanotechnology and still maintains a grand challenge. A variety of methods, involving chemical, physical, and hybrid method, have been developed to precisely control nanomaterials, including size, shape, dimensionality, crystal structure, composition, and homogeneity. These nanostructural parameters play essential roles in determining the final properties of functional nanomaterials. Full understanding of nanomaterial properties through characterization is vital in elucidating the fundamental principles in synthesis and applications. It allows researchers to discover the correlations between the reaction parameters and nanomaterial properties, offers valuable insights in improving synthetic routes, and provokes new design strategies for nanostructures. In application systems, it extrapolates the structure–activity relationship and reaction mechanism and helps to establish quality model for similar reaction processes. The purpose of this chapter is to provide a comprehensive overview and a practical guide of rare earth oxide nanomaterial design and characterization, with special focus on the well-established synthetic methods and the conventional and advanced analytical techniques. This chapter addresses each synthetic method with its advantages and certain disadvantages, and specifically provides synthetic strategies, typical procedures and features of resulting nanomaterials for the widely-used chemical methods, such as hydrothermal, solvothermal, sol–gel, co-precipitation, thermal decomposition, etc. For the nanomaterial characterization, a practical guide for each technique is addressed, including working principle, applications, materials requirements, experimental design and data analysis. In particular, electron and force microscopy are illuminated for their powerful functions in determining size, shape, and crystal structure, while X-ray based techniques are discussed for crystalline, electronic, and atomic structural determination for oxide nanomaterials. Additionally, the advanced characterization methodologies of synchrotron-based techniques and in situ methods are included. These non-traditional methods become more and more popular because of their capabilities of offering unusual nanostructural information, short experiment time, and in-depth problem solution.
Graphical Abstract:
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13
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Recent Advances on the Rational Design of Non-Precious Metal Oxide Catalysts Exemplified by CuOx/CeO2 Binary System: Implications of Size, Shape and Electronic Effects on Intrinsic Reactivity and Metal-Support Interactions. Catalysts 2020. [DOI: 10.3390/catal10020160] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Catalysis is an indispensable part of our society, massively involved in numerous energy and environmental applications. Although, noble metals (NMs)-based catalysts are routinely employed in catalysis, their limited resources and high cost hinder the widespread practical application. In this regard, the development of NMs-free metal oxides (MOs) with improved catalytic activity, selectivity and durability is currently one of the main research pillars in the area of heterogeneous catalysis. The present review, involving our recent efforts in the field, aims to provide the latest advances—mainly in the last 10 years—on the rational design of MOs, i.e., the general optimization framework followed to fine-tune non-precious metal oxide sites and their surrounding environment by means of appropriate synthetic and promotional/modification routes, exemplified by CuOx/CeO2 binary system. The fine-tuning of size, shape and electronic/chemical state (e.g., through advanced synthetic routes, special pretreatment protocols, alkali promotion, chemical/structural modification by reduced graphene oxide (rGO)) can exert a profound influence not only to the reactivity of metal sites in its own right, but also to metal-support interfacial activity, offering highly active and stable materials for real-life energy and environmental applications. The main implications of size-, shape- and electronic/chemical-adjustment on the catalytic performance of CuOx/CeO2 binary system during some of the most relevant applications in heterogeneous catalysis, such as CO oxidation, N2O decomposition, preferential oxidation of CO (CO-PROX), water gas shift reaction (WGSR), and CO2 hydrogenation to value-added products, are thoroughly discussed. It is clearly revealed that the rational design and tailoring of NMs-free metal oxides can lead to extremely active composites, with comparable or even superior reactivity than that of NMs-based catalysts. The obtained conclusions could provide rationales and design principles towards the development of cost-effective, highly active NMs-free MOs, paving also the way for the decrease of noble metals content in NMs-based catalysts.
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14
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Abstract
Ceria nanocubes of 10–20 nm were hydrothermally synthesized, involving Ce(OH)3 rods and small-sized CeO2 polyhedra/cubes as building blocks.
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Affiliation(s)
- Chunyan Dong
- State Key Laboratory of Catalysis
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- China
| | - Yan Zhou
- State Key Laboratory of Catalysis
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- China
| | - Na Ta
- State Key Laboratory of Catalysis
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- China
| | - Wenjie Shen
- State Key Laboratory of Catalysis
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- China
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15
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Zhang Y, Yu Y, Shan W, Lian Z, He H. Effect of support preparation with different concentration precipitant on the NO storage performance of Pt/BaO/CeO2 catalysts. Catal Today 2020. [DOI: 10.1016/j.cattod.2019.03.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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16
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Li J, Liu Z, Cullen DA, Hu W, Huang J, Yao L, Peng Z, Liao P, Wang R. Distribution and Valence State of Ru Species on CeO2 Supports: Support Shape Effect and Its Influence on CO Oxidation. ACS Catal 2019. [DOI: 10.1021/acscatal.9b03113] [Citation(s) in RCA: 86] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Junhao Li
- Department of Metallurgical and Materials Engineering, The University of Alabama, Tuscaloosa, Alabama 35487, United States
| | - Zhongqi Liu
- Department of Metallurgical and Materials Engineering, The University of Alabama, Tuscaloosa, Alabama 35487, United States
| | - David A. Cullen
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Wenhui Hu
- Department of Chemistry, Marquette University, Milwaukee, Wisconsin 53201, United States
| | - Jier Huang
- Department of Chemistry, Marquette University, Milwaukee, Wisconsin 53201, United States
| | - Libo Yao
- Department of Chemical and Biomolecular Engineering, The University of Akron, Akron, Ohio 44325, United States
| | - Zhenmeng Peng
- Department of Chemical and Biomolecular Engineering, The University of Akron, Akron, Ohio 44325, United States
| | - Peilin Liao
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Ruigang Wang
- Department of Metallurgical and Materials Engineering, The University of Alabama, Tuscaloosa, Alabama 35487, United States
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17
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Abstract
This study investigates the role of oxygen vacancy on Fe-doped CeO2 catalyst activity for soot oxidation. The oxygen vacancy was assessed through Ce3+ content. The Fe content was varied between 0 and 30% for two catalyst preparation methods, co-precipitation (CP) and solution combustion synthesis (SCS). X-ray photoelectron spectroscopy indicates that ceria exists as both Ce4+ and Ce3+, while iron is present only as Fe3+. The catalyst’s activity was evaluated by ignition (T10) and combustion (T50) temperatures using thermogravimetric analysis. Optimum Fe contents yielding the highest activity were found to be 10% and 5% for CP and SCS catalysts, respectively. The surface area and morphology showed a moderate effect on catalyst activity, because catalytic soot oxidation involves solid–solid contact. More importantly, regardless of the fabrication method, it was found that Ce3+ content, which is closely related to oxygen vacancies, plays the most important role in affecting the catalyst activity.
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Mehmood R, Mofarah SS, Chen WF, Koshy P, Sorrell CC. Surface, Subsurface, and Bulk Oxygen Vacancies Quantified by Decoupling and Deconvolution of the Defect Structure of Redox-Active Nanoceria. Inorg Chem 2019; 58:6016-6027. [DOI: 10.1021/acs.inorgchem.9b00330] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Rashid Mehmood
- School of Materials Science and Engineering, Faculty of Science, UNSW Sydney, Sydney, NSW 2052, Australia
| | - Sajjad S. Mofarah
- School of Materials Science and Engineering, Faculty of Science, UNSW Sydney, Sydney, NSW 2052, Australia
| | - Wen-Fan Chen
- School of Materials Science and Engineering, Faculty of Science, UNSW Sydney, Sydney, NSW 2052, Australia
| | - Pramod Koshy
- School of Materials Science and Engineering, Faculty of Science, UNSW Sydney, Sydney, NSW 2052, Australia
| | - Charles C. Sorrell
- School of Materials Science and Engineering, Faculty of Science, UNSW Sydney, Sydney, NSW 2052, Australia
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19
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Structural and Optical Properties of CeO2 Nanoparticles Synthesized by Modified Polymer Complex Method. J Inorg Organomet Polym Mater 2019. [DOI: 10.1007/s10904-018-01056-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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20
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Kaur N, Aditya RN, Singh A, Kuo TR. Biomedical Applications for Gold Nanoclusters: Recent Developments and Future Perspectives. NANOSCALE RESEARCH LETTERS 2018; 13:302. [PMID: 30259230 PMCID: PMC6158143 DOI: 10.1186/s11671-018-2725-9] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Accepted: 09/18/2018] [Indexed: 05/30/2023]
Abstract
Gold nanoclusters (AuNCs) have been extensively applied as a fluorescent probe for biomedical applications in imaging, detection, and therapy due to their unique chemical and physical properties. Fluorescent probes of AuNCs have exhibited high compatibility, superior photostablility, and excellent water solubility which resulted in remarkable biomedical applications for long-term imaging, high-sensitivity detection, and target-specific treatment. Recently, great efforts have been made in the developments of AuNCs as the fluorescent probes for various biomedical applications. In this review, we have collected fluorescent AuNCs prepared by different ligands, including small molecules, polymers, and biomacromolecules, and highlighted current achievements of AuNCs in biomedical applications for imaging, detection, and therapy. According to these advances, we further provided conclusions of present challenges and future perspectives of AuNCs for fundamental investigations and practical biomedical applications.
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Affiliation(s)
- Navdeep Kaur
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, 11031 Taiwan
| | - Robby Nur Aditya
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, 11031 Taiwan
| | - Arshdeep Singh
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, 11031 Taiwan
| | - Tsung-Rong Kuo
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, 11031 Taiwan
- Graduate Institute of Nanomedicine and Medical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, 11031 Taiwan
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21
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Papavasiliou J, Vakros J, Avgouropoulos G. Impact of acid treatment of CuO-CeO2 catalysts on the preferential oxidation of CO reaction. CATAL COMMUN 2018. [DOI: 10.1016/j.catcom.2018.07.014] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
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22
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Zhu S, Lian X, Fan T, Chen Z, Dong Y, Weng W, Yi X, Fang W. Thermally stable core-shell Ni/nanorod-CeO 2@SiO 2 catalyst for partial oxidation of methane at high temperatures. NANOSCALE 2018; 10:14031-14038. [PMID: 29995024 DOI: 10.1039/c8nr02588f] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
During partial oxidation of methane (POM), the greatest challenge is to maintain the thermal stability of the catalyst at high temperatures. One of the most effective ways to improve thermal stability is to construct core-shell structure. Herein, using a microemulsion method, we synthesized a core-shell Ni/nanorod-CeO2@SiO2 catalyst, in which the Ni nanoparticles were supported on the CeO2 nanorods and encapsulated by SiO2 shells. Based on a series of characterizations, we found that the Ni particles are of nanosize (2.2 nm) and the thickness of the SiO2 shell is about 8 nm in the core-shell catalyst. Moreover, the Ni/nanorod-CeO2@SiO2 catalyst can perfectly maintain rod-like structures of the CeO2 support and enhance interaction between the metal Ni and CeO2, significantly reducing the sintering of metal Ni particles at high temperatures. Therefore, the as-prepared Ni/nanorod-CeO2@SiO2 catalyst shows high catalytic activity and good thermal stability during the POM reaction.
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Affiliation(s)
- Shaohong Zhu
- National Engineering Laboratory for Green Chemical Productions of Alcohols, Ethers and Esters, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P. R. China.
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23
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Effective removal of automobile exhausts over flower-like Ce1−Cu O2 nanocatalysts exposed active {100} plane. J RARE EARTH 2018. [DOI: 10.1016/j.jre.2017.12.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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24
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Karunakaran C, Karuthapandian S. Photoinduced oxidative transformation of diphenylamine on CeO2. JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE 2018. [DOI: 10.1016/j.jtusci.2014.12.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- C. Karunakaran
- Department of Chemistry, Annamalai UniversityAnnamalainagar Tamil Nadu608002India
| | - S. Karuthapandian
- Department of Chemistry, Annamalai UniversityAnnamalainagar Tamil Nadu608002India
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25
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Papavasiliou J, Rawski M, Vakros J, Avgouropoulos G. A Novel Post-Synthesis Modification of CuO-CeO2
Catalysts: Effect on Their Activity for Selective CO Oxidation. ChemCatChem 2018. [DOI: 10.1002/cctc.201701968] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Joan Papavasiliou
- Department of Materials Science; University of Patras; GR-265 04 Patras Greece
- Foundation for Research and Technology-Hellas (FORTH); Institute of Chemical Engineering Sciences (ICE-HT); P.O. Box 1414 GR-265 040 Patras Greece
| | - Michał Rawski
- Analytical Laboratory; Maria Curie-Sklodowska University in Lublin; Pl. M. Curie-Skłodowskiej 3 20-031 Lublin Poland
| | - John Vakros
- Department of Chemistry; University of Patras; GR-265 04 Patras Greece
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26
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27
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Hegemann C, Heidemann T, Pantenburg I, Mathur S. Influence of Metal Fragment Mobility and Solution Dynamics on Cationic Rearrangements in Multimetallic Alkoxide Frameworks. ChemistrySelect 2018. [DOI: 10.1002/slct.201702252] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Corinna Hegemann
- Institute of Inorganic Chemistry; University of Cologne; Greinstrasse 6 50939 Cologne Germany
| | - Tim Heidemann
- Institute of Inorganic Chemistry; University of Cologne; Greinstrasse 6 50939 Cologne Germany
| | - Ingo Pantenburg
- Institute of Inorganic Chemistry; University of Cologne; Greinstrasse 6 50939 Cologne Germany
| | - Sanjay Mathur
- Institute of Inorganic Chemistry; University of Cologne; Greinstrasse 6 50939 Cologne Germany
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28
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Bohn DR, Lobato FO, Thill AS, Steffens L, Raabe M, Donida B, Vargas CR, Moura DJ, Bernardi F, Poletto F. Artificial cerium-based proenzymes confined in lyotropic liquid crystals: synthetic strategy and on-demand activation. J Mater Chem B 2018; 6:4920-4928. [DOI: 10.1039/c8tb00479j] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The artificial proenzyme concept for ultra-small cerium-based nanoparticles: the on-demand activation of inactive nanoparticles to mimic the activity of superoxide dismutase.
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Affiliation(s)
- Denise R. Bohn
- Programa de Pós-Graduação em Química
- Instituto de Química
- Universidade Federal do Rio Grande do Sul (UFRGS)
- Porto Alegre
- Brazil
| | - Francielli O. Lobato
- Programa de Pós-Graduação em Química
- Instituto de Química
- Universidade Federal do Rio Grande do Sul (UFRGS)
- Porto Alegre
- Brazil
| | - Alisson S. Thill
- Programa de Pós-Graduação em Física
- Instituto de Física
- Universidade Federal do Rio Grande do Sul (UFRGS)
- Porto Alegre
- Brazil
| | - Luiza Steffens
- Laboratório de Genética Toxicológica
- Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA)
- Porto Alegre
- Brazil
| | - Marco Raabe
- Laboratório de Genética Toxicológica
- Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA)
- Porto Alegre
- Brazil
| | - Bruna Donida
- Programa de Pós-Graduação em Ciências Biológicas, Bioquímica
- Universidade Federal do Rio Grande do Sul (UFRGS)
- Porto Alegre
- Brazil
| | - Carmen R. Vargas
- Programa de Pós-Graduação em Ciências Biológicas, Bioquímica
- Universidade Federal do Rio Grande do Sul (UFRGS)
- Porto Alegre
- Brazil
| | - Dinara J. Moura
- Laboratório de Genética Toxicológica
- Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA)
- Porto Alegre
- Brazil
| | - Fabiano Bernardi
- Programa de Pós-Graduação em Física
- Instituto de Física
- Universidade Federal do Rio Grande do Sul (UFRGS)
- Porto Alegre
- Brazil
| | - Fernanda Poletto
- Programa de Pós-Graduação em Química
- Instituto de Química
- Universidade Federal do Rio Grande do Sul (UFRGS)
- Porto Alegre
- Brazil
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29
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Dosa M, Piumetti M, Bensaid S, Andana T, Novara C, Giorgis F, Fino D, Russo N. Novel Mn–Cu-Containing CeO2 Nanopolyhedra for the Oxidation of CO and Diesel Soot: Effect of Dopants on the Nanostructure and Catalytic Activity. Catal Letters 2017. [DOI: 10.1007/s10562-017-2226-y] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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30
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Cerium oxide nanoparticles: Synthesis, characterization and tentative mechanism of particle formation. Colloids Surf A Physicochem Eng Asp 2017. [DOI: 10.1016/j.colsurfa.2017.05.059] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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31
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Raj AKV, Prabhakar Rao P, Sreena TS, Aju Thara TR. Influence of local structure on photoluminescence properties of Eu 3+ doped CeO 2 red phosphors through induced oxygen vacancies by contrasting rare earth substitutions. Phys Chem Chem Phys 2017; 19:20110-20120. [PMID: 28726906 DOI: 10.1039/c7cp02741a] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
A new family of red phosphors, Ce0.9-xRExO2-δ:0.1Eu3+ (RE = Y and La; x = 0, 0.20, 0.40, 0.60, 0.80, and 0.90), was synthesized by a conventional solid-state route. The influence of contrasting rare earth substitutions (Y and La) in the system was investigated on the local structure and associated photoluminescence properties by various characterization techniques. Both trivalent ion substitutions lead to the same kind of variation during phase transformation from fluorite to the respective parent oxide structure (x ≥ 0.6). On the other hand, the substitutions have a distinct effect on local structure, absorption, luminescence and lifetimes. The smaller Y3+ ion substitution enables the ordering of oxygen vacancies in a lattice, inhibiting the defect formation of Ce3+ oxidation states. In contrast, the larger La3+ ion substitution liberates oxygen vacancies, allowing defect formation. Consequently, the concentration of Ce3+ is dependent on the ionic radius of the metal ions and it has a bearing on the band gap and luminescence properties of the system. Ce0.1Y0.8O2-δ:0.1Eu3+ phosphor exhibited maximum red emission intensity at 612 nm, which is 8 times higher than that of Ce0.9O2-δ:0.1Eu3+ and better than that of commercial Philips red phosphor, whereas La substitution yielded poor emission intensities with higher concentrations. The co-substitution of contrasting rare earth metals with Eu3+ allow the understanding of local structure and a smaller ion like Y3+ greatly functionalizes CeO2:Eu3+ phosphor.
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Affiliation(s)
- Athira K V Raj
- Materials Science and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (NIIST), Trivandrum - 695 019, India.
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32
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Affiliation(s)
- Alessandro Trovarelli
- Dipartimento
Politecnico, Università di Udine, via del Cotonificio 108, 33100 Udine, Italy
| | - Jordi Llorca
- Institute
of Energy Technologies, Department of Chemical Engineering and Barcelona
Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, EEBE, Eduard Maristany 10-14, 08019 Barcelona, Spain
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33
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Yao H, Wang Y, Luo G. A Size-Controllable Precipitation Method to Prepare CeO2 Nanoparticles in a Membrane Dispersion Microreactor. Ind Eng Chem Res 2017. [DOI: 10.1021/acs.iecr.7b00289] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hongbao Yao
- State
Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Yujun Wang
- State
Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Guangsheng Luo
- State
Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
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34
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Jiang H, Wu X, Wang C, Huang P, Li Y, Zhang M. CeO2–ZrO2–Al2O3 Ternary Oxides Synthesized via Supercritical Anti-Solvent and as a Support for Pd Catalyst for CO Oxidation. CATALYSIS SURVEYS FROM ASIA 2017. [DOI: 10.1007/s10563-017-9225-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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35
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Deep eutectic-solvothermal synthesis of nanostructured ceria. Nat Commun 2017; 8:14150. [PMID: 28120829 PMCID: PMC5288492 DOI: 10.1038/ncomms14150] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Accepted: 12/02/2016] [Indexed: 11/08/2022] Open
Abstract
Ceria is a technologically important material with applications in catalysis, emissions control and solid-oxide fuel cells. Nanostructured ceria becomes profoundly more active due to its enhanced surface area to volume ratio, reactive surface oxygen vacancy concentration and superior oxygen storage capacity. Here we report the synthesis of nanostructured ceria using the green Deep Eutectic Solvent reline, which allows morphology and porosity control in one of the less energy-intensive routes reported to date. Using wide Q-range liquid-phase neutron diffraction, we elucidate the mechanism of reaction at a molecular scale at considerably milder conditions than the conventional hydrothermal synthetic routes. The reline solvent plays the role of a latent supramolecular catalyst where the increase in reaction rate from solvent-driven pre-organization of the reactants is most significant. This fundamental understanding of deep eutectic-solvothermal methodology will enable future developments in low-temperature synthesis of nanostructured ceria, facilitating its large-scale manufacturing using green, economic, non-toxic solvents.
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36
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Liu K, Huang X, Wang H, Li F, Tang Y, Li J, Shao M. Co 3O 4-CeO 2/C as a Highly Active Electrocatalyst for Oxygen Reduction Reaction in Al-Air Batteries. ACS APPLIED MATERIALS & INTERFACES 2016; 8:34422-34430. [PMID: 27998121 DOI: 10.1021/acsami.6b12294] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Developing high-performance and low-cost electrocatalysts for oxygen reduction reaction (ORR) is still a great challenge for Al-air batteries. Herein, CeO2, a unique ORR promoter, was incorporated into ketjenblack (KB) supported Co3O4 catalyst. We developed a facile two-step hydrothermal approach to fabricate Co3O4-CeO2/KB as a high-performance ORR catalyst for Al-air batteries. The ORR activity of Co3O4/KB was significantly increased by mixing with CeO2 nanoparticles. In addition, the Co3O4-CeO2/KB showed a better electrocatalytic performance and stability than 20 wt % Pt/C in alkaline electrolytes, making it a good candidate for highly active ORR catalysts. Co3O4-CeO2/KB favored a four-electron pathway in ORR due to the synergistic interactions between CeO2 and Co3O4. In full cell tests, the Co3O4-CeO2/KB exhibited a higher discharge voltage plateau than CeO2/KB and Co3O4/KB when used in cathode in Al-air batteries.
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Affiliation(s)
- Kun Liu
- College of Chemistry and Chemical Engineering, Central South University , Changsha 410083, P. R. China
| | - Xiaobing Huang
- College of Chemistry and Chemical Engineering, Hunan University of Arts and Science , Changde 415000, P. R. China
| | - Haiyan Wang
- College of Chemistry and Chemical Engineering, Central South University , Changsha 410083, P. R. China
- Department of Chemical and Biomolecular Engineering, The Hong Kong University of Science and Technology , Clear Water Bay, Kowloon, Hong Kong, P. R. China
| | - Fuzhi Li
- College of Chemistry and Chemical Engineering, Central South University , Changsha 410083, P. R. China
- Institute of Packing & Material, Hunan University of Technology , Zhuzhou 412008, P. R. China
| | - Yougen Tang
- College of Chemistry and Chemical Engineering, Central South University , Changsha 410083, P. R. China
| | - Jingsha Li
- College of Chemistry and Chemical Engineering, Central South University , Changsha 410083, P. R. China
| | - Minhua Shao
- Department of Chemical and Biomolecular Engineering, The Hong Kong University of Science and Technology , Clear Water Bay, Kowloon, Hong Kong, P. R. China
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38
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Bezkrovnyi OS, Lisiecki R, Kepinski L. Relationship between morphology and structure of shape-controlled CeO2nanocrystals synthesized by microwave-assisted hydrothermal method. CRYSTAL RESEARCH AND TECHNOLOGY 2016. [DOI: 10.1002/crat.201600053] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- O. S. Bezkrovnyi
- Institute of Low Temperature and Structure Research; Polish Academy of Sciences; P.O. Box 1410, 50-950 Wrocław 2 Poland
| | - R. Lisiecki
- Institute of Low Temperature and Structure Research; Polish Academy of Sciences; P.O. Box 1410, 50-950 Wrocław 2 Poland
| | - L. Kepinski
- Institute of Low Temperature and Structure Research; Polish Academy of Sciences; P.O. Box 1410, 50-950 Wrocław 2 Poland
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39
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Beste A, Overbury SH. Dehydrogenation of methanol to formaldehyde catalyzed by pristine and defective ceria surfaces. Phys Chem Chem Phys 2016; 18:9990-8. [PMID: 27005883 DOI: 10.1039/c6cp00151c] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We have explored the dehydrogenation of methoxy on pristine and defective (111), (100), and (110) ceria surfaces with density functional methods. Methanol conversion is used as a probe reaction to understand structure sensitivity of the oxide catalysis. Differences in reaction selectivity have been observed experimentally as a function of crystallographically exposed faces and degree of reduction. We find that the barrier for carbon-hydrogen cleavage in methoxy is similar for the pristine and defective (111), (100), and (110) surfaces. However, there are large differences in the stability of the surface intermediates on the different surfaces. The variations in experimentally observed product selectivities are a consequence of the interplay between barrier controlled bond cleavage and desorption processes. Subtle differences in activation energies for carbon-hydrogen cleavage on the different crystallographic faces of ceria could not be correlated with structural or electronic descriptors.
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Affiliation(s)
- Ariana Beste
- Joint Institute for Computational Sciences, The University of Tennessee, Oak Ridge, TN 37831, USA.
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Popov VV, Menushenkov AP, Zubavichus YV, Sharapov AS, Kabanova VA, Yastrebtsev AA, Arzhatkina LA, Tsarenko NA, Strel’nikova AM, Kurilkin VV. Effect of the synthesis conditions on the crystal, local, and electronic structure of Ce 1-x 3+ Ce x 4+ AlO3 + x/2. RUSS J INORG CHEM+ 2016. [DOI: 10.1134/s0036023616020170] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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41
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Kovacevic M, Mojet BL, van Ommen JG, Lefferts L. Effects of Morphology of Cerium Oxide Catalysts for Reverse Water Gas Shift Reaction. Catal Letters 2016. [DOI: 10.1007/s10562-016-1697-6] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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42
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Ishikawa Y, Takeda M, Tsukimoto S, Nakayama KS, Asao N. Cerium Oxide Nanorods with Unprecedented Low-Temperature Oxygen Storage Capacity. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2016; 28:1467-1471. [PMID: 26663025 DOI: 10.1002/adma.201504101] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2015] [Revised: 10/29/2015] [Indexed: 06/05/2023]
Abstract
Ultrafine cerium oxide nanorods are produced from rapidly liquid quenched Ce-Al alloy precursors by a corrosion method through the selective leaching of Al and the oxidation of Ce in an alkaline medium under mild conditions. The obtained nanorods, having 5-7 nm diameter, exhibit unprecedented low-temperature oxygen-storage capacity (OSC) performance.
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Affiliation(s)
- Yoshifumi Ishikawa
- WPI-Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
| | - Maiki Takeda
- WPI-Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
| | - Susumu Tsukimoto
- WPI-Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
| | - Koji S Nakayama
- WPI-Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
| | - Naoki Asao
- WPI-Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
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43
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Yada M, Miyaguchi T, Watanabe D, Hayashi Y, Ayabe T, Torikai T, Watari T. Morphological control and upconversion luminescence of hollow CeO2and Er3+–Yb3+codoped CeO2particles. CrystEngComm 2016. [DOI: 10.1039/c6ce01550f] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Giroire B, Slostowski C, Marre S, Aymonier C, Aida T, Hojo D, Aoki N, Takami S, Adschiri T. Tuning surface grafting density of CeO2 nanocrystals with near- and supercritical solvent characteristics. Phys Chem Chem Phys 2016; 18:1727-34. [DOI: 10.1039/c5cp07034a] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this work, the solvent effect on the synthesis of CeO2 nanocrystals prepared in near- and supercritical alcohols is discussed.
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Affiliation(s)
| | | | - S. Marre
- CNRS
- ICMCB
- UPR 9048
- F-33600 Pessac
- France
| | | | - T. Aida
- WPI-Advanced Institute for Material Research
- Tohoku University
- Aoba
- Japan
| | - D. Hojo
- WPI-Advanced Institute for Material Research
- Tohoku University
- Aoba
- Japan
| | - N. Aoki
- WPI-Advanced Institute for Material Research
- Tohoku University
- Aoba
- Japan
| | - S. Takami
- WPI-Advanced Institute for Material Research
- Tohoku University
- Aoba
- Japan
| | - T. Adschiri
- WPI-Advanced Institute for Material Research
- Tohoku University
- Aoba
- Japan
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45
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Tang C, Zhang H, Dong L. Ceria-based catalysts for low-temperature selective catalytic reduction of NO with NH3. Catal Sci Technol 2016. [DOI: 10.1039/c5cy01487e] [Citation(s) in RCA: 235] [Impact Index Per Article: 29.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Low-temperature NH3-SCR has attracted considerable attention owing to the vast demand in industrial furnaces and its energy-conserving feature. This review summarizes the recent advances in the application of ceria-based catalysts for low-temperature NH3-SCR.
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Affiliation(s)
- Changjin Tang
- Key Laboratory of Mesoscopic Chemistry of MOE
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210093
- PR China
| | - Hongliang Zhang
- Analysis and Testing Central Facility
- Anhui University of Technology
- Maanshan 243002
- PR China
| | - Lin Dong
- Key Laboratory of Mesoscopic Chemistry of MOE
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210093
- PR China
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46
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Pedraza F, Mahadik SA, Bouchaud B. Synthesis of ceria based superhydrophobic coating on Ni20Cr substrate via cathodic electrodeposition. Phys Chem Chem Phys 2015; 17:31750-7. [PMID: 26562006 DOI: 10.1039/c5cp04723d] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
In this work, superhydrophobic cerium oxide coating surface (111) with dual scale texture on Ni20Cr substrate is obtained by combination of electropolishing the substrate and subsequent cathodic electrodeposition and long-term UVH surface relaxation. To form hierarchical structures of CeO2 is controllable by varying the substrate roughness, and electropolishing period. The results indicated that at the optimal condition, the surface of the cerium oxide coating showed a superhydrophobicity with a great water contact angle (151.0 ± 1.4°) with Gecko state. An interface model for electropolishing of substrate surface in cerium nitrate medium is proposed. We expect that this facile process can be readily and widely adopted for the design of superhydrophobic coating on engineering materials.
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Affiliation(s)
- F Pedraza
- Université de La Rochelle, Laboratoire des Sciences de L'Ingénieur pour l'Environnement (LaSIE, UMR-7356 CNRS-Université de La Rochelle), Avenue Michel Crépeau, 17042 La Rochelle cedex 01, France.
| | - S A Mahadik
- Université de La Rochelle, Laboratoire des Sciences de L'Ingénieur pour l'Environnement (LaSIE, UMR-7356 CNRS-Université de La Rochelle), Avenue Michel Crépeau, 17042 La Rochelle cedex 01, France.
| | - B Bouchaud
- Université de La Rochelle, Laboratoire des Sciences de L'Ingénieur pour l'Environnement (LaSIE, UMR-7356 CNRS-Université de La Rochelle), Avenue Michel Crépeau, 17042 La Rochelle cedex 01, France.
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47
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Partial and exhaustive hydrolysis of lanthanide N,N-dialkylcarbamato complexes. A viable access to lanthanide mixed oxides. Polyhedron 2015. [DOI: 10.1016/j.poly.2015.10.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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48
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49
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Tong X, Luo T, Meng X, Wu H, Li J, Liu X, Ji X, Wang J, Chen C, Zhan Z. Shape-Dependent Activity of Ceria for Hydrogen Electro-Oxidation in Reduced-Temperature Solid Oxide Fuel Cells. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2015; 11:5581-5588. [PMID: 26307555 DOI: 10.1002/smll.201501930] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Revised: 07/18/2015] [Indexed: 06/04/2023]
Abstract
Single crystalline ceria nanooctahedra, nanocubes, and nanorods are hydrothermally synthesized, colloidally impregnated into the porous La0.9Sr0.1Ga0.8Mg0.2O3-δ (LSGM) scaffolds, and electrochemically evaluated as the anode catalysts for reduced temperature solid oxide fuel cells (SOFCs). Well-defined surface terminations are confirmed by the high-resolution transmission electron microscopy--(111) for nanooctahedra, (100) for nanocubes, and both (110) and (100) for nanorods. Temperature-programmed reduction in H2 shows the highest reducibility for nanorods, followed sequentially by nanocubes and nanooctahedra. Measurements of the anode polarization resistances and the fuel cell power densities reveal different orders of activity of ceria nanocrystals at high and low temperatures for hydrogen electro-oxidation, i.e., nanorods > nanocubes > nanooctahedra at T ≤ 450 °C and nanooctahedra > nanorods > nanocubes at T ≥ 500 °C. Such shape-dependent activities of these ceria nanocrystals have been correlated to their difference in the local structure distortions and thus in the reducibility. These findings will open up a new strategy for design of advanced catalysts for reduced-temperature SOFCs by elaborately engineering the shape of nanocrystals and thus selectively exposing the crystal facets.
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Affiliation(s)
- Xiaofeng Tong
- CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SICCAS), 1295 Dingxi Road, Shanghai, 200050, P. R. China
| | - Ting Luo
- CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SICCAS), 1295 Dingxi Road, Shanghai, 200050, P. R. China
| | - Xie Meng
- CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SICCAS), 1295 Dingxi Road, Shanghai, 200050, P. R. China
| | - Hao Wu
- CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SICCAS), 1295 Dingxi Road, Shanghai, 200050, P. R. China
| | - Junliang Li
- CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SICCAS), 1295 Dingxi Road, Shanghai, 200050, P. R. China
| | - Xuejiao Liu
- CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SICCAS), 1295 Dingxi Road, Shanghai, 200050, P. R. China
| | - Xiaona Ji
- CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SICCAS), 1295 Dingxi Road, Shanghai, 200050, P. R. China
| | - Jianqiang Wang
- Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, 239 Zhangheng Road, Pudong District, Shanghai, 201204, China
| | - Chusheng Chen
- CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science & Engineering, University of Science & Technology of China, 96 Jin-Zhai Road, Hefei, 230026, P. R. China
| | - Zhongliang Zhan
- CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SICCAS), 1295 Dingxi Road, Shanghai, 200050, P. R. China
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Liu ZE, Wang J, Li Y, Hu X, Yin J, Peng Y, Li Z, Li Y, Li B, Yuan Q. Near-Infrared Light Manipulated Chemoselective Reductions Enabled by an Upconversional Supersandwich Nanostructure. ACS APPLIED MATERIALS & INTERFACES 2015; 7:19416-19423. [PMID: 26270621 DOI: 10.1021/acsami.5b05633] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Core-satellite is one of the most powerful superstructures since it leads to enhanced or completely new properties through compatible combination of each component. Here we create a novel ceria-based core-shell-satellite supersandwich structure with near-infrared (NIR) light manipulated catalytic activity by integrating the upconversion luminescent and catalytic functionality of CeO2 nanoparticles. Specifically, lanthanide-doped octahedral CeO2 nanoparticles (o-CeO2) are coated with silica layer (o-CeO2@SiO2) to enhance their luminescence intensity. The pH-dependent catalytic active cubic CeO2 nanoparticles (c-CeO2) are then assembled on the surface of o-CeO2@SiO2 to form the supersandwich structure (o-CeO2@SiO2@c-CeO2) following a classic chemical reaction. The upconversion quantum yield of o-CeO2 in this nanostructure can be nearly doubled. Furthermore, under NIR light irradiation, the o-CeO2@SiO2@c-CeO2 supersandwich structure based composite catalyst displays superior catalytic activity in selective reduction of aromatic nitro compounds to corresponding azo compounds, and the composite photocatalyst can be easily recycled for several times without significant loss of catalytic activity. This strategy may serve as a universal method for the construction of multifunctional nanostructures and shed light on the green chemistry for chemical synthesis.
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Affiliation(s)
- Zi-en Liu
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University , Wuhan 430072, China
- School of Chemistry Engineering and Technology, China University of Mining and Technology , Xuzhou 221008, China
| | - Jie Wang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University , Wuhan 430072, China
| | - Yan Li
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University , Wuhan 430072, China
| | - Xiaoxia Hu
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University , Wuhan 430072, China
| | - Junwen Yin
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University , Wuhan 430072, China
| | - Yeqing Peng
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University , Wuhan 430072, China
| | - Zhihao Li
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University , Wuhan 430072, China
| | - Yawen Li
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University , Wuhan 430072, China
| | - Baomin Li
- School of Chemistry Engineering and Technology, China University of Mining and Technology , Xuzhou 221008, China
| | - Quan Yuan
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University , Wuhan 430072, China
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