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Zhang Y, Li Z, Tong X, Xie Z, Huang S, Zhang YE, Ke HB, Wang WH, Zhou J. Three-dimensional atomic insights into the metal-oxide interface in Zr-ZrO 2 nanoparticles. Nat Commun 2024; 15:7624. [PMID: 39223157 PMCID: PMC11369257 DOI: 10.1038/s41467-024-52026-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 08/23/2024] [Indexed: 09/04/2024] Open
Abstract
Metal-oxide interfaces with poor coherency have specific properties comparing to bulk materials and offer broad applications in heterogeneous catalysis, battery, and electronics. However, current understanding of the three-dimensional (3D) atomic metal-oxide interfaces remains limited because of their inherent structural complexity and the limitations of conventional two-dimensional imaging techniques. Here, we determine the 3D atomic structure of metal-oxide interfaces in zirconium-zirconia nanoparticles using atomic-resolution electron tomography. We quantitatively analyze the atomic concentration and the degree of oxidation, and find the coherency and translational symmetry of the interfaces are broken. Atoms at the interface have low structural ordering, low coordination, and elongated bond length. Moreover, we observe porous structures such as Zr vacancies and nano-pores, and investigate their distribution. Our findings provide a clear 3D atomic picture of metal-oxide interface with direct experimental evidence. We anticipate this work could encourage future studies on fundamental problems of oxides, such as interfacial structures in semiconductor and atomic motion during oxidation process.
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Affiliation(s)
- Yao Zhang
- Beijing National Laboratory for Molecular Sciences, Center for Integrated Spectroscopy, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Zezhou Li
- Beijing National Laboratory for Molecular Sciences, Center for Integrated Spectroscopy, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Xing Tong
- Songshan Lake Materials Laboratory, Dongguan, 523808, China
| | - Zhiheng Xie
- Beijing National Laboratory for Molecular Sciences, Center for Integrated Spectroscopy, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Siwei Huang
- Beijing National Laboratory for Molecular Sciences, Center for Integrated Spectroscopy, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Yue-E Zhang
- Songshan Lake Materials Laboratory, Dongguan, 523808, China
- College of Physics, Liaoning University, Shenyang, 110036, China
| | - Hai-Bo Ke
- Songshan Lake Materials Laboratory, Dongguan, 523808, China.
| | - Wei-Hua Wang
- Songshan Lake Materials Laboratory, Dongguan, 523808, China
- Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
| | - Jihan Zhou
- Beijing National Laboratory for Molecular Sciences, Center for Integrated Spectroscopy, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China.
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2
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Xia W, An Q, Chen L, Cai R. Orientation-dependent oxidation behavior of Cu under In-situ E-Beam irradiation. Micron 2024; 181:103622. [PMID: 38492242 DOI: 10.1016/j.micron.2024.103622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 02/29/2024] [Accepted: 03/03/2024] [Indexed: 03/18/2024]
Abstract
Herein, we present an atomic in-situ investigation of Cu oxidation along different orientations stimulated by high-energy electron beams (E-Beam) in transmission electron microscopy (TEM). By following the microstructural evolution of the Cu substrate in real time, high-resolution TEM (HRTEM) images reveal an orientation-dependent oxidation mechanism, whereby Cu along [110] zone axis migrates onto the surface and be oxidized while Cu along [100] zone axis is oxidized completely both in bulk and at the surface. The different oxidation mechanisms can be attributed to the differing diffusion rates of oxygen in Cu structures along directions. Moreover, the growth of Cu oxides is found to follow a layer-by-layer mechanism, where Cu mostly migrates onto nanocrystal {110} planes. This behavior would lead to the oxides wider in geometric shape and therefore promote the aggregation of adjacent oxides. These findings have important implications for the practical use of copper-based materials in oxidizing environments.
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Affiliation(s)
- Weiwei Xia
- Shaanxi Materials Analysis and Research Center, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710000, China.
| | - Quan An
- Shaanxi Materials Analysis and Research Center, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710000, China
| | - Lianyang Chen
- School of Aeronautics, Northwestern Polytechnical University, Xi'an 710000, China
| | - Ran Cai
- School of Medical Technology, Beijing Institute of Technology, Beijing 100081, China
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3
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Bera S, Sahu P, Dutta A, Nobile C, Pradhan N, Cozzoli PD. Partial Chemicalization of Nanoscale Metals: An Intra-Material Transformative Approach for the Synthesis of Functional Colloidal Metal-Semiconductor Nanoheterostructures. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023:e2305985. [PMID: 37724799 DOI: 10.1002/adma.202305985] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 09/09/2023] [Indexed: 09/21/2023]
Abstract
Heterostructuring colloidal nanocrystals into multicomponent modular constructs, where domains of distinct metal and semiconductor phases are interconnected through bonding interfaces, is a consolidated approach to advanced breeds of solution-processable hybrid nanomaterials capable of expressing richly tunable and even entirely novel physical-chemical properties and functionalities. To meet the challenges posed by the wet-chemical synthesis of metal-semiconductor nanoheterostructures and to overcome some intrinsic limitations of available protocols, innovative transformative routes, based on the paradigm of partial chemicalization, have recently been devised within the framework of the standard seeded-growth scheme. These techniques involve regiospecific replacement reactions on preformed nanocrystal substrates, thus holding great synthetic potential for programmable configurational diversification. This review article illustrates achievements so far made in the elaboration of metal-semiconductor nanoheterostructures with tailored arrangements of their component modules by means of conversion pathways that leverage on spatially controlled partial chemicalization of mono- and bi-metallic seeds. The advantages and limitations of these approaches are discussed within the context of the most plausible mechanisms underlying the evolution of the nanoheterostructures in liquid media. Representative physical-chemical properties and applications of chemicalization-derived metal-semiconductor nanoheterostructures are emphasized. Finally, prospects for developments in the field are outlined.
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Affiliation(s)
- Suman Bera
- School of Materials Sciences, Indian Association for the Cultivation of Sciences (IACS), Kolkata, 700032, India
| | - Puspanjali Sahu
- School of Materials Sciences, Indian Association for the Cultivation of Sciences (IACS), Kolkata, 700032, India
| | - Anirban Dutta
- School of Materials Sciences, Indian Association for the Cultivation of Sciences (IACS), Kolkata, 700032, India
| | - Concetta Nobile
- CNR NANOTEC - Institute of Nanotechnology, UOS di Lecce, Lecce, 73100, Italy
| | - Narayan Pradhan
- School of Materials Sciences, Indian Association for the Cultivation of Sciences (IACS), Kolkata, 700032, India
| | - P Davide Cozzoli
- Department of Mathematics and Physics "Ennio De Giorgi", University of Salento, Lecce, 73100, Italy
- UdR INSTM di Lecce, c/o Università del Salento, Lecce, 73100, Italy
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4
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Heo J, Kim D, Choi H, Kim S, Chun H, Reboul CF, Van CTS, Elmlund D, Choi S, Kim K, Park Y, Elmlund H, Han B, Park J. Method for 3D atomic structure determination of multi-element nanoparticles with graphene liquid-cell TEM. Sci Rep 2023; 13:1814. [PMID: 36725868 PMCID: PMC9892495 DOI: 10.1038/s41598-023-28492-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 01/19/2023] [Indexed: 02/03/2023] Open
Abstract
Determining the 3D atomic structures of multi-element nanoparticles in their native liquid environment is crucial to understanding their physicochemical properties. Graphene liquid cell (GLC) TEM offers a platform to directly investigate nanoparticles in their solution phase. Moreover, exploiting high-resolution TEM images of single rotating nanoparticles in GLCs, 3D atomic structures of nanoparticles are reconstructed by a method called "Brownian one-particle reconstruction". We here introduce a 3D atomic structure determination method for multi-element nanoparticle systems. The method, which is based on low-pass filtration and initial 3D model generation customized for different types of multi-element systems, enables reconstruction of high-resolution 3D Coulomb density maps for ordered and disordered multi-element systems and classification of the heteroatom type. Using high-resolution image datasets obtained from TEM simulations of PbSe, CdSe, and FePt nanoparticles that are structurally relaxed with first-principles calculations in the graphene liquid cell, we show that the types and positions of the constituent atoms are precisely determined with root mean square displacement values less than 24 pm. Our study suggests that it is possible to investigate the 3D atomic structures of synthesized multi-element nanoparticles in liquid phase.
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Affiliation(s)
- Junyoung Heo
- grid.31501.360000 0004 0470 5905School of Chemical and Biological Engineering and Institute of Chemical Processes, Seoul National University, Seoul, 08826 Republic of Korea ,grid.410720.00000 0004 1784 4496Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826 Republic of Korea
| | - Dongjun Kim
- grid.31501.360000 0004 0470 5905School of Chemical and Biological Engineering and Institute of Chemical Processes, Seoul National University, Seoul, 08826 Republic of Korea
| | - Hyesung Choi
- grid.31501.360000 0004 0470 5905School of Chemical and Biological Engineering and Institute of Chemical Processes, Seoul National University, Seoul, 08826 Republic of Korea
| | - Sungin Kim
- grid.31501.360000 0004 0470 5905School of Chemical and Biological Engineering and Institute of Chemical Processes, Seoul National University, Seoul, 08826 Republic of Korea ,grid.410720.00000 0004 1784 4496Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826 Republic of Korea
| | - Hoje Chun
- grid.15444.300000 0004 0470 5454Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul, 03722 Republic of Korea
| | - Cyril F. Reboul
- grid.48336.3a0000 0004 1936 8075Center for Structural Biology, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702 USA
| | - Cong T. S. Van
- grid.48336.3a0000 0004 1936 8075Center for Structural Biology, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702 USA
| | - Dominika Elmlund
- grid.48336.3a0000 0004 1936 8075Center for Structural Biology, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702 USA
| | - Soonmi Choi
- grid.419666.a0000 0001 1945 5898Samsung Display Co. LTD., Yongin-si, Gyeonggi-do 17113 Republic of Korea
| | - Kihyun Kim
- grid.419666.a0000 0001 1945 5898Samsung Display Co. LTD., Yongin-si, Gyeonggi-do 17113 Republic of Korea
| | - Younggil Park
- grid.419666.a0000 0001 1945 5898Samsung Display Co. LTD., Yongin-si, Gyeonggi-do 17113 Republic of Korea
| | - Hans Elmlund
- grid.48336.3a0000 0004 1936 8075Center for Structural Biology, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702 USA
| | - Byungchan Han
- grid.15444.300000 0004 0470 5454Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul, 03722 Republic of Korea
| | - Jungwon Park
- grid.31501.360000 0004 0470 5905School of Chemical and Biological Engineering and Institute of Chemical Processes, Seoul National University, Seoul, 08826 Republic of Korea ,grid.410720.00000 0004 1784 4496Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826 Republic of Korea ,grid.31501.360000 0004 0470 5905Institute of Engineering Research, College of Engineering, Seoul National University, Seoul, 08826 Republic of Korea ,grid.31501.360000 0004 0470 5905Advanced Institutes of Convergence Technology, Seoul National University, Seoul, Gyeonggi-do 16229 Republic of Korea
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5
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Xia W, Gong M, Wang C, Chen L, Wang Y, Cai R, Liu Z, Zhang M, Zhang Q, Sun L. Electron Tomography Reveals Porosity Degradation Spatially on Individual Pt-Based Nanocatalysts. ACS APPLIED MATERIALS & INTERFACES 2022; 14:25366-25373. [PMID: 35638553 DOI: 10.1021/acsami.2c03570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Probing porosity evolution is essential to understand the degradation mechanism of electrocatalytic activity. However, spatially dependent degradation pathways for porous catalysts remain elusive. Here, we reveal the multiple degradation behaviors of individual PtCu3 nanocatalysts spatially by three-dimensional (3D) electron tomography. We demonstrate that the surface area-volume ratio (SVR) of cycled porous particles decreases linearly rather than reciprocally with particle size. Additionally, an improved SVR (about 3-fold enhancement) results in increased oxygen reduction reaction (ORR) efficiency at the early stage. However, in the subsequent cycles, the degradation of catalytic activity is due to the excessive growth of pores, the reduction of reaction sites, and the chemical segregation of Cu atoms. The spatial porosity evolution model of nanocatalysts is applicable for a wide range of catalytic reactions, providing a critical insight into the degradation of catalyst activity.
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Affiliation(s)
- Weiwei Xia
- Shaanxi Materials Analysis and Research Center, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710000, China
| | - Mingxing Gong
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430078, China
| | - Chuanyun Wang
- Shaanxi Materials Analysis and Research Center, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710000, China
| | - Lianyang Chen
- School of Aeronautics, Northwestern Polytechnical University, Xi'an 710000, China
| | - Yu Wang
- Shaanxi Materials Analysis and Research Center, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710000, China
| | - Ran Cai
- Beijing Advanced Innovation Center for Intelligent Robots and Systems and Institute of Engineering Medicine, Beijing Institute of Technology, Beijing 100081, China
| | - Zhichao Liu
- Shaanxi Materials Analysis and Research Center, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710000, China
| | - Mengqian Zhang
- Shaanxi Materials Analysis and Research Center, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710000, China
| | - Qiubo Zhang
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of the Ministry of Education, Southeast University, Nanjing 210096, China
| | - Litao Sun
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of the Ministry of Education, Southeast University, Nanjing 210096, China
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6
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Sainju R, Rathnayake D, Tan H, Bollas G, Dongare AM, Suib SL, Zhu Y. In Situ Studies of Single-Nanoparticle-Level Nickel Thermal Oxidation: From Early Oxide Nucleation to Diffusion-Balanced Oxide Thickening. ACS NANO 2022; 16:6468-6479. [PMID: 35413193 DOI: 10.1021/acsnano.2c00742] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
High-temperature oxidation mechanisms of metallic nanoparticles have been extensively investigated; however, it is challenging to determine whether the kinetic modeling is applicable at the nanoscale and how the differences in nanoparticle size influence the oxidation mechanisms. In this work, we study thermal oxidation of pristine Ni nanoparticles ranging from 4 to 50 nm in 1 bar 1%O2/N2 at 600 °C using in situ gas-cell environmental transmission electron microscopy. Real-space in situ oxidation videos revealed an unexpected nanoparticle surface refacetting before oxidation and a strong Ni nanoparticle size dependence, leading to distinct structural development during the oxidation and different final NiO morphology. By quantifying the NiO thickness/volume change in real space, individual nanoparticle-level oxidation kinetics was established and directly correlated with nanoparticle microstructural evolution with specified fast and slow oxidation directions. Thus, for the size-dependent Ni nanoparticle oxidation, we propose a unified oxidation theory with a two-stage oxidation process: stage 1: dominated by the early NiO nucleation (Avrami-Erofeev model) and stage 2: the Wagner diffusion-balanced NiO shell thickening (Wanger model). In particular, to what extent the oxidation would proceed into stage 2 dictates the final NiO morphology, which depends on the Ni starting radius with respect to the critical thickness under given oxidation conditions. The overall oxidation duration is controlled by both the diffusivity of Ni2+ in NiO and the Ni in Ni self-diffusion. We also compare the single-particle kinetic curve with the collective one and discuss the effects of nanoparticle size differences on kinetic model analysis.
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7
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Wang Z, Ke X, Sui M. Recent Progress on Revealing 3D Structure of Electrocatalysts Using Advanced 3D Electron Tomography: A Mini Review. Front Chem 2022; 10:872117. [PMID: 35355785 PMCID: PMC8959462 DOI: 10.3389/fchem.2022.872117] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 02/21/2022] [Indexed: 11/13/2022] Open
Abstract
Electrocatalysis plays a key role in clean energy innovation. In order to design more efficient, durable and selective electrocatalysts, a thorough understanding of the unique link between 3D structures and properties is essential yet challenging. Advanced 3D electron tomography offers an effective approach to reveal 3D structures by transmission electron microscopy. This mini-review summarizes recent progress on revealing 3D structures of electrocatalysts using 3D electron tomography. 3D electron tomography at nanoscale and atomic scale are discussed, respectively, where morphology, composition, porous structure, surface crystallography and atomic distribution can be revealed and correlated to the performance of electrocatalysts. (Quasi) in-situ 3D electron tomography is further discussed with particular focus on its impact on electrocatalysts' durability investigation and post-treatment. Finally, perspectives on future developments of 3D electron tomography for eletrocatalysis is discussed.
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Affiliation(s)
| | - Xiaoxing Ke
- Beijing Key Laboratory of Microstructure and Properties of Solids, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, China
| | - Manling Sui
- Beijing Key Laboratory of Microstructure and Properties of Solids, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, China
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8
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Lee JD, Miller JB, Shneidman AV, Sun L, Weaver JF, Aizenberg J, Biener J, Boscoboinik JA, Foucher AC, Frenkel AI, van der Hoeven JES, Kozinsky B, Marcella N, Montemore MM, Ngan HT, O'Connor CR, Owen CJ, Stacchiola DJ, Stach EA, Madix RJ, Sautet P, Friend CM. Dilute Alloys Based on Au, Ag, or Cu for Efficient Catalysis: From Synthesis to Active Sites. Chem Rev 2022; 122:8758-8808. [PMID: 35254051 DOI: 10.1021/acs.chemrev.1c00967] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The development of new catalyst materials for energy-efficient chemical synthesis is critical as over 80% of industrial processes rely on catalysts, with many of the most energy-intensive processes specifically using heterogeneous catalysis. Catalytic performance is a complex interplay of phenomena involving temperature, pressure, gas composition, surface composition, and structure over multiple length and time scales. In response to this complexity, the integrated approach to heterogeneous dilute alloy catalysis reviewed here brings together materials synthesis, mechanistic surface chemistry, reaction kinetics, in situ and operando characterization, and theoretical calculations in a coordinated effort to develop design principles to predict and improve catalytic selectivity. Dilute alloy catalysts─in which isolated atoms or small ensembles of the minority metal on the host metal lead to enhanced reactivity while retaining selectivity─are particularly promising as selective catalysts. Several dilute alloy materials using Au, Ag, and Cu as the majority host element, including more recently introduced support-free nanoporous metals and oxide-supported nanoparticle "raspberry colloid templated (RCT)" materials, are reviewed for selective oxidation and hydrogenation reactions. Progress in understanding how such dilute alloy catalysts can be used to enhance selectivity of key synthetic reactions is reviewed, including quantitative scaling from model studies to catalytic conditions. The dynamic evolution of catalyst structure and composition studied in surface science and catalytic conditions and their relationship to catalytic function are also discussed, followed by advanced characterization and theoretical modeling that have been developed to determine the distribution of minority metal atoms at or near the surface. The integrated approach demonstrates the success of bridging the divide between fundamental knowledge and design of catalytic processes in complex catalytic systems, which can accelerate the development of new and efficient catalytic processes.
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Affiliation(s)
- Jennifer D Lee
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Jeffrey B Miller
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Anna V Shneidman
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Lixin Sun
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Jason F Weaver
- Department of Chemical Engineering, University of Florida, Gainesville, Florida 32611, United States
| | - Joanna Aizenberg
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States.,John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States.,Wyss Institute for Biologically Inspired Engineering, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Juergen Biener
- Nanoscale Synthesis and Characterization Laboratory, Lawrence Livermore National Laboratory, Livermore, California 94550, United States
| | - J Anibal Boscoboinik
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Alexandre C Foucher
- Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Anatoly I Frenkel
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York 11794, United States.,Division of Chemistry, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Jessi E S van der Hoeven
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States.,John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Boris Kozinsky
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Nicholas Marcella
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York 11794, United States
| | - Matthew M Montemore
- Department of Chemical and Biomolecular Engineering, Tulane University, New Orleans, Louisiana 70118, United States
| | - Hio Tong Ngan
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Christopher R O'Connor
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Cameron J Owen
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States.,John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Dario J Stacchiola
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Eric A Stach
- Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Robert J Madix
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Philippe Sautet
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, California 90095, United States.,Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Cynthia M Friend
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States.,John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
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9
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LaGrow AP, Famiani S, Sergides A, Lari L, Lloyd DC, Takahashi M, Maenosono S, Boyes ED, Gai PL, Thanh NTK. Environmental STEM Study of the Oxidation Mechanism for Iron and Iron Carbide Nanoparticles. MATERIALS 2022; 15:ma15041557. [PMID: 35208096 PMCID: PMC8877599 DOI: 10.3390/ma15041557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 02/01/2022] [Accepted: 02/04/2022] [Indexed: 11/22/2022]
Abstract
The oxidation of solution-synthesized iron (Fe) and iron carbide (Fe2C) nanoparticles was studied in an environmental scanning transmission electron microscope (ESTEM) at elevated temperatures under oxygen gas. The nanoparticles studied had a native oxide shell present, that formed after synthesis, an ~3 nm iron oxide (FexOy) shell for the Fe nanoparticles and ~2 nm for the Fe2C nanoparticles, with small void areas seen in several places between the core and shell for the Fe and an ~0.8 nm space between the core and shell for the Fe2C. The iron nanoparticles oxidized asymmetrically, with voids on the borders between the Fe core and FexOy shell increasing in size until the void coalesced, and finally the Fe core disappeared. In comparison, the oxidation of the Fe2C progressed symmetrically, with the core shrinking in the center and the outer oxide shell growing until the iron carbide had fully disappeared. Small bridges of iron oxide formed during oxidation, indicating that the Fe transitioned to the oxide shell surface across the channels, while leaving the carbon behind in the hollow core. The carbon in the carbide is hypothesized to suppress the formation of larger crystallites of iron oxide during oxidation, and alter the diffusion rates of the Fe and O during the reaction, which explains the lower sensitivity to oxidation of the Fe2C nanoparticles.
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Affiliation(s)
- Alec P. LaGrow
- International Iberian Nanotechnology Laboratory, 4715-330 Braga, Portugal
- Correspondence: (A.P.L.); (N.T.K.T.)
| | - Simone Famiani
- Biophysics Group, Department of Physics and Astronomy, University College London, London WC1E 6BT, UK; (S.F.); (A.S.)
- UCL Healthcare Biomagnetics and Nanomaterials Laboratories, London W1S 4BS, UK
| | - Andreas Sergides
- Biophysics Group, Department of Physics and Astronomy, University College London, London WC1E 6BT, UK; (S.F.); (A.S.)
- UCL Healthcare Biomagnetics and Nanomaterials Laboratories, London W1S 4BS, UK
| | - Leonardo Lari
- The York Nanocentre, University of York, York YO10 5DD, UK; (L.L.); (D.C.L.); (E.D.B.); (P.L.G.)
| | - David C. Lloyd
- The York Nanocentre, University of York, York YO10 5DD, UK; (L.L.); (D.C.L.); (E.D.B.); (P.L.G.)
| | - Mari Takahashi
- School of Material Science, Japan Advanced Institute of Science and Technology (JAIST), Ishikawa, Kanazawa 923-1292, Japan; (M.T.); (S.M.)
| | - Shinya Maenosono
- School of Material Science, Japan Advanced Institute of Science and Technology (JAIST), Ishikawa, Kanazawa 923-1292, Japan; (M.T.); (S.M.)
| | - Edward D. Boyes
- The York Nanocentre, University of York, York YO10 5DD, UK; (L.L.); (D.C.L.); (E.D.B.); (P.L.G.)
| | - Pratibha L. Gai
- The York Nanocentre, University of York, York YO10 5DD, UK; (L.L.); (D.C.L.); (E.D.B.); (P.L.G.)
| | - Nguyen Thi Kim Thanh
- Biophysics Group, Department of Physics and Astronomy, University College London, London WC1E 6BT, UK; (S.F.); (A.S.)
- UCL Healthcare Biomagnetics and Nanomaterials Laboratories, London W1S 4BS, UK
- Correspondence: (A.P.L.); (N.T.K.T.)
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10
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Li J, Guan X, Zhang WX. Architectural Genesis of Metal(loid)s with Iron Nanoparticle in Water. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:12801-12808. [PMID: 34523344 DOI: 10.1021/acs.est.1c02458] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Reactions of core-shell iron nanoparticles with metal(loid)s in water can form an array of nanostructures such as Ag-seed/dendrite, As-subshell, U-yolk, Co-hollowshell, and Cs-spot. Nonetheless, there is a lack of profound understanding in the genesis of these amazing geometries. Herein, we propose a concept to unravel the interdiffusion between the core-shell iron nanoparticle and metal(loid)s, where several key interactions including the Kirkendall effect, metal(loid) character effect, and reaction condition effect are involved in determining the structure of the final solid reaction products. Particularly, the architectural growths of metal(loid)s with iron nanoparticles in water can be manipulated mutually or singly by the following factors: standard redox potential difference, magnetic property, electrical charge and conductivity, as well as the iron (hydr)oxide shell structure under different solution chemistry and operation conditions. This contribution provides a theoretical basis to rationalize the architectural genesis of various metal(loid)s with iron nanoparticles, which will benefit the real practice for synthesizing functional iron-based nanoparticles and recovering the rare/precious metal(loid)s by iron nanoparticles from water.
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Affiliation(s)
- Jinxiang Li
- Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, People's Republic of China
| | - Xiaohong Guan
- School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, People's Republic of China
| | - Wei-Xian Zhang
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, People's Republic of China
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11
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Tang C, Ling L, Zhang WX. Visualizing Trace Pollutants in Solids at Nanoscale via Electron Tomography. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:11533-11537. [PMID: 34323474 DOI: 10.1021/acs.est.1c00832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Visualizing trace pollutants such as toxic metals and viruses in environmental solids such as soils, sediments, aerosols, and suspended particles in water has long been the holy grail for scientists and engineers. In this Perspective, progress on the state-of-the-art electron tomography is highlighted as an increasingly indispensable tool for visualizing contaminant distribution and transformation in three-dimension (3D), including environmental pollutants at the water-minerals interfaces, toxicology assessment, environmental behavior of viruses in heterogeneous environmental media, etc. Adding a third dimension to the pollutant characterization will surely enrich our understanding on the complex and emerging environmental issues facing the global society, and provide vital support to the ongoing research and development of life-saving mitigation technologies from air filtration, to drinking water purification, to virus disinfection.
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Affiliation(s)
- Chenliu Tang
- State Key Laboratory for Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Lan Ling
- State Key Laboratory for Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Wei-Xian Zhang
- State Key Laboratory for Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
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12
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Lin R, Bak SM, Shin Y, Zhang R, Wang C, Kisslinger K, Ge M, Huang X, Shadike Z, Pattammattel A, Yan H, Chu Y, Wu J, Yang W, Whittingham MS, Xin HL, Yang XQ. Hierarchical nickel valence gradient stabilizes high-nickel content layered cathode materials. Nat Commun 2021; 12:2350. [PMID: 33879789 PMCID: PMC8058063 DOI: 10.1038/s41467-021-22635-w] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 03/12/2021] [Indexed: 02/02/2023] Open
Abstract
High-nickel content cathode materials offer high energy density. However, the structural and surface instability may cause poor capacity retention and thermal stability of them. To circumvent this problem, nickel concentration-gradient materials have been developed to enhance high-nickel content cathode materials' thermal and cycling stability. Even though promising, the fundamental mechanism of the nickel concentration gradient's stabilization effect remains elusive because it is inseparable from nickel's valence gradient effect. To isolate nickel's valence gradient effect and understand its fundamental stabilization mechanism, we design and synthesize a LiNi0.8Mn0.1Co0.1O2 material that is compositionally uniform and has a hierarchical valence gradient. The nickel valence gradient material shows superior cycling and thermal stability than the conventional one. The result suggests creating an oxidation state gradient that hides the more capacitive but less stable Ni3+ away from the secondary particle surfaces is a viable principle towards the optimization of high-nickel content cathode materials.
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Affiliation(s)
- Ruoqian Lin
- grid.202665.50000 0001 2188 4229Chemistry Division, Brookhaven National Laboratory, Upton, NY USA
| | - Seong-Min Bak
- grid.202665.50000 0001 2188 4229Chemistry Division, Brookhaven National Laboratory, Upton, NY USA ,grid.202665.50000 0001 2188 4229Present Address: National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY USA
| | - Youngho Shin
- grid.187073.a0000 0001 1939 4845Applied Materials Division, Argonne National Laboratory, Lemont, IL USA
| | - Rui Zhang
- grid.266093.80000 0001 0668 7243Department of Physics and Astronomy, University of California, Irvine, CA USA
| | - Chunyang Wang
- grid.266093.80000 0001 0668 7243Department of Physics and Astronomy, University of California, Irvine, CA USA
| | - Kim Kisslinger
- grid.202665.50000 0001 2188 4229Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, NY USA
| | - Mingyuan Ge
- grid.202665.50000 0001 2188 4229National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY USA
| | - Xiaojing Huang
- grid.202665.50000 0001 2188 4229National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY USA
| | - Zulipiya Shadike
- grid.202665.50000 0001 2188 4229Chemistry Division, Brookhaven National Laboratory, Upton, NY USA
| | - Ajith Pattammattel
- grid.202665.50000 0001 2188 4229National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY USA
| | - Hanfei Yan
- grid.202665.50000 0001 2188 4229National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY USA
| | - Yong Chu
- grid.202665.50000 0001 2188 4229National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY USA
| | - Jinpeng Wu
- grid.184769.50000 0001 2231 4551Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA USA
| | - Wanli Yang
- grid.184769.50000 0001 2231 4551Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA USA
| | - M. Stanley Whittingham
- grid.264260.40000 0001 2164 4508Materials Science and Engineering, Binghamton University, Binghamton, NY USA
| | - Huolin L. Xin
- grid.266093.80000 0001 0668 7243Department of Physics and Astronomy, University of California, Irvine, CA USA
| | - Xiao-Qing Yang
- grid.202665.50000 0001 2188 4229Chemistry Division, Brookhaven National Laboratory, Upton, NY USA
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13
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Song B, Yang Y, Yang TT, He K, Hu X, Yuan Y, Dravid VP, Zachariah MR, Saidi WA, Liu Y, Shahbazian-Yassar R. Revealing High-Temperature Reduction Dynamics of High-Entropy Alloy Nanoparticles via In Situ Transmission Electron Microscopy. NANO LETTERS 2021; 21:1742-1748. [PMID: 33570961 DOI: 10.1021/acs.nanolett.0c04572] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Understanding the behavior of high-entropy alloy (HEA) materials under hydrogen (H2) environment is of utmost importance for their promising applications in structural materials, catalysis, and energy-related reactions. Herein, the reduction behavior of oxidized FeCoNiCuPt HEA nanoparticles (NPs) in atmospheric pressure H2 environment was investigated by in situ gas-cell transmission electron microscopy (TEM). The reduction reaction front was maintained at the external surface of the oxide. During reduction, the oxide layer expanded and transformed into porous structures where oxidized Cu was fully reduced to Cu NPs while Fe, Co, and Ni remained in the oxidized form. In situ chemical analysis showed that the expansion of the oxide layer resulted from the outward diffusion flux of all transition metals (Fe, Co, Ni, Cu). Revealing the H2 reduction behavior of HEA NPs facilitates the development of advanced multicomponent alloys for applications targeting H2 formation and storage, catalytic hydrogenation, and corrosion removal.
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Affiliation(s)
- Boao Song
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, Illinois 60607, United States
| | - Yong Yang
- Department of Chemical and Biomolecular Engineering, University of Maryland, College Park, Maryland 20742, United States
- Department of Chemical Engineering and Materials Science, University of California Riverside, Riverside, California 92521, United States
| | - Timothy T Yang
- Department of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, United States
| | - Kun He
- Department of Materials Science and Engineering, International Institute for Nanotechnology (IIN), Northwestern University Atomic and Nanoscale Characterization Experimental (NUANCE) Center, Northwestern University, Evanston, Illinois 60208, United States
| | - Xiaobing Hu
- Department of Materials Science and Engineering, International Institute for Nanotechnology (IIN), Northwestern University Atomic and Nanoscale Characterization Experimental (NUANCE) Center, Northwestern University, Evanston, Illinois 60208, United States
| | - Yifei Yuan
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, Illinois 60607, United States
| | - Vinayak P Dravid
- Department of Materials Science and Engineering, International Institute for Nanotechnology (IIN), Northwestern University Atomic and Nanoscale Characterization Experimental (NUANCE) Center, Northwestern University, Evanston, Illinois 60208, United States
| | - Michael R Zachariah
- Department of Chemical Engineering and Materials Science, University of California Riverside, Riverside, California 92521, United States
| | - Wissam A Saidi
- Department of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, United States
| | - Yuzi Liu
- Center for Nanoscale Materials, Argonne National Laboratory, Argonne, Illinois 60439, United States
| | - Reza Shahbazian-Yassar
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, Illinois 60607, United States
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14
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Tang M, Yuan W, Ou Y, Li G, You R, Li S, Yang H, Zhang Z, Wang Y. Recent Progresses on Structural Reconstruction of Nanosized Metal Catalysts via Controlled-Atmosphere Transmission Electron Microscopy: A Review. ACS Catal 2020. [DOI: 10.1021/acscatal.0c03335] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Min Tang
- Center of Electron Microscopy and State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Wentao Yuan
- Center of Electron Microscopy and State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Yang Ou
- Center of Electron Microscopy and State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Guanxing Li
- Center of Electron Microscopy and State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Ruiyang You
- Center of Electron Microscopy and State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Songda Li
- Center of Electron Microscopy and State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Hangsheng Yang
- Center of Electron Microscopy and State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Ze Zhang
- Center of Electron Microscopy and State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Yong Wang
- Center of Electron Microscopy and State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
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15
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Song B, Yang Y, Rabbani M, Yang TT, He K, Hu X, Yuan Y, Ghildiyal P, Dravid VP, Zachariah MR, Saidi WA, Liu Y, Shahbazian-Yassar R. In Situ Oxidation Studies of High-Entropy Alloy Nanoparticles. ACS NANO 2020; 14:15131-15143. [PMID: 33079522 DOI: 10.1021/acsnano.0c05250] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Although high-entropy alloys (HEAs) have shown tremendous potential for elevated temperature, anticorrosion, and catalysis applications, little is known on how HEA materials behave under complex service environments. Herein, we studied the high-temperature oxidation behavior of Fe0.28Co0.21Ni0.20Cu0.08Pt0.23HEA nanoparticles (NPs) in an atmospheric pressure dry air environment by in situ gas-cell transmission electron microscopy. It is found that the oxidation of HEA NPs is governed by Kirkendall effects with logarithmic oxidation rates rather than parabolic as predicted by Wagner's theory. Further, the HEA NPs are found to oxidize at a significantly slower rate compared to monometallic NPs. The outward diffusion of transition metals and formation of disordered oxide layer are observed in real time and confirmed through analytical energy dispersive spectroscopy, and electron energy loss spectroscopy characterizations. Localized ordered lattices are identified in the oxide, suggesting the formation of Fe2O3, CoO, NiO, and CuO crystallites in an overall disordered matrix. Hybrid Monte Carlo and molecular dynamics simulations based on first-principles energies and forces support these findings and show that the oxidation drives surface segregation of Fe, Co, Ni, and Cu, while Pt stays in the core region. The present work offers key insights into how HEA NPs behave under high-temperature oxidizing environment and sheds light on future design of highly stable alloys under complex service conditions.
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Affiliation(s)
- Boao Song
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, Illinois 60607, United States
| | - Yong Yang
- Department of Chemical and Biomolecular Engineering, University of Maryland, College Park, Maryland 20742, United States
- Department of Chemical Engineering and Materials Science, University of California Riverside, Riverside, California 92521, United States
| | - Muztoba Rabbani
- Department of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, United States
| | - Timothy T Yang
- Department of Mechanical Engineering and Materials Science and Pittsburgh Quantum Institute, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, United States
| | - Kun He
- Department of Materials Science and Engineering, International Institute for Nanotechnology (IIN), Northwestern University Atomic and Nanoscale Characterization Experimental (NUANCE) Center, Northwestern University, Evanston, Illinois 60208, United States
| | - Xiaobing Hu
- Department of Materials Science and Engineering, International Institute for Nanotechnology (IIN), Northwestern University Atomic and Nanoscale Characterization Experimental (NUANCE) Center, Northwestern University, Evanston, Illinois 60208, United States
| | - Yifei Yuan
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, Illinois 60607, United States
| | - Pankaj Ghildiyal
- Department of Chemical Engineering and Materials Science, University of California Riverside, Riverside, California 92521, United States
| | - Vinayak P Dravid
- Department of Materials Science and Engineering, International Institute for Nanotechnology (IIN), Northwestern University Atomic and Nanoscale Characterization Experimental (NUANCE) Center, Northwestern University, Evanston, Illinois 60208, United States
| | - Michael R Zachariah
- Department of Chemical Engineering and Materials Science, University of California Riverside, Riverside, California 92521, United States
| | - Wissam A Saidi
- Department of Mechanical Engineering and Materials Science and Pittsburgh Quantum Institute, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, United States
| | - Yuzi Liu
- Center for Nanoscale Materials, Argonne National Laboratory, Argonne, Illinois 60439, United States
| | - Reza Shahbazian-Yassar
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, Illinois 60607, United States
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16
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Zhang M, Han C, Cao WQ, Cao MS, Yang HJ, Yuan J. A Nano-Micro Engineering Nanofiber for Electromagnetic Absorber, Green Shielding and Sensor. NANO-MICRO LETTERS 2020; 13:27. [PMID: 34138252 PMCID: PMC8187527 DOI: 10.1007/s40820-020-00552-9] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 10/15/2020] [Indexed: 05/16/2023]
Abstract
The role of electron transport characteristics in electromagnetic (EM) attenuation can be generalized to other EM functional materials. The integrated functions of efficient EM absorption and green shielding open the view of EM multifunctional materials. A novel sensing mechanism based on intrinsic EM attenuation performance and EM resonance coupling effect is revealed. It is extremely unattainable for a material to simultaneously obtain efficient electromagnetic (EM) absorption and green shielding performance, which has not been reported due to the competition between conduction loss and reflection. Herein, by tailoring the internal structure through nano-micro engineering, a NiCo2O4 nanofiber with integrated EM absorbing and green shielding as well as strain sensing functions is obtained. With the improvement of charge transport capability of the nanofiber, the performance can be converted from EM absorption to shielding, or even coexist. Particularly, as the conductivity rising, the reflection loss declines from - 52.72 to - 10.5 dB, while the EM interference shielding effectiveness increases to 13.4 dB, suggesting the coexistence of the two EM functions. Furthermore, based on the high EM absorption, a strain sensor is designed through the resonance coupling of the patterned NiCo2O4 structure. These strategies for tuning EM performance and constructing devices can be extended to other EM functional materials to promote the development of electromagnetic driven devices.
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Affiliation(s)
- Min Zhang
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, People's Republic of China
| | - Chen Han
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, People's Republic of China
| | - Wen-Qiang Cao
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, People's Republic of China
| | - Mao-Sheng Cao
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, People's Republic of China.
| | - Hui-Jing Yang
- Department of Physics, Tangshan Normal University, Tangshan, 063000, People's Republic of China.
| | - Jie Yuan
- School of Information Engineering, Minzu University of China, Beijing, 100081, People's Republic of China.
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17
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Torresan V, Forrer D, Guadagnini A, Badocco D, Pastore P, Casarin M, Selloni A, Coral D, Ceolin M, Fernández van Raap MB, Busato A, Marzola P, Spinelli AE, Amendola V. 4D Multimodal Nanomedicines Made of Nonequilibrium Au-Fe Alloy Nanoparticles. ACS NANO 2020; 14:12840-12853. [PMID: 32877170 PMCID: PMC8011985 DOI: 10.1021/acsnano.0c03614] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Several examples of nanosized therapeutic and imaging agents have been proposed to date, yet for most of them there is a low chance of clinical translation due to long-term in vivo retention and toxicity risks. The realization of nanoagents that can be removed from the body after use remains thus a great challenge. Here, we demonstrate that nonequilibrium gold-iron alloys behave as shape-morphing nanocrystals with the properties of self-degradable multifunctional nanomedicines. DFT calculations combined with mixing enthalpy-weighted alloying simulations predict that Au-Fe solid solutions can exhibit self-degradation in an aqueous environment if the Fe content exceeds a threshold that depends upon element topology in the nanocrystals. Exploiting a laser-assisted synthesis route, we experimentally confirm that nonequilibrium Au-Fe nanoalloys have a 4D behavior, that is, the ability to change shape, size, and structure over time, becoming ultrasmall Au-rich nanocrystals. In vivo tests show the potential of these transformable Au-Fe nanoalloys as efficient multimodal contrast agents for magnetic resonance imaging and computed X-ray absorption tomography and further demonstrate their self-degradation over time, with a significant reduction of long-term accumulation in the body, when compared to benchmark gold or iron oxide contrast agents. Hence, Au-Fe alloy nanoparticles exhibiting 4D behavior can respond to the need for safe and degradable inorganic multifunctional nanomedicines required in clinical translation.
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Affiliation(s)
- Veronica Torresan
- Department
of Chemical Sciences, University of Padova, Padova, I-35131 Italy
| | - Daniel Forrer
- Department
of Chemical Sciences, University of Padova, Padova, I-35131 Italy
- CNR−ICMATE, Padova, I-35131 Italy
| | - Andrea Guadagnini
- Department
of Chemical Sciences, University of Padova, Padova, I-35131 Italy
| | - Denis Badocco
- Department
of Chemical Sciences, University of Padova, Padova, I-35131 Italy
| | - Paolo Pastore
- Department
of Chemical Sciences, University of Padova, Padova, I-35131 Italy
| | - Maurizio Casarin
- Department
of Chemical Sciences, University of Padova, Padova, I-35131 Italy
- CNR−ICMATE, Padova, I-35131 Italy
| | - Annabella Selloni
- Department
of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Diego Coral
- Departamento
de Fisica, Universidad del Cauca, 193577 Popayán, Colombia
| | - Marcelo Ceolin
- Departamento
de Quımica, Facultad de Ciencias Exactas, Universidad Nacional
de La Plata−CONICET, Instituto de
Investigaciones Fisicoquımicas Teoricas y Aplicadas (INIFTA), La Plata, 1900 Argentina
| | - Marcela B. Fernández van Raap
- Departamento
de Física Facultad de Ciencias Exactas, Universidad Nacional
de La Plata−CONICET, Instituto de
Física La Plata (IFLP), La Plata, 1900 Argentina
| | - Alice Busato
- Department
of Computer Science, University of Verona, Verona, 37134 Italy
| | - Pasquina Marzola
- Department
of Computer Science, University of Verona, Verona, 37134 Italy
| | - Antonello E. Spinelli
- Experimental
Imaging Centre, IRCCS San Raffaele Scientific
Institute, Milan, 20132 Italy
| | - Vincenzo Amendola
- Department
of Chemical Sciences, University of Padova, Padova, I-35131 Italy
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18
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19
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Lei L, Huang D, Cheng M, Deng R, Chen S, Chen Y, Wang W. Defects engineering of bimetallic Ni-based catalysts for electrochemical energy conversion. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2020.213372] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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20
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Han C, Cao WQ, Cao MS. Hollow nanoparticle-assembled hierarchical NiCo2O4 nanofibers with enhanced electrochemical performance for lithium-ion batteries. Inorg Chem Front 2020. [DOI: 10.1039/d0qi00892c] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hollow NiCo2O4 nanoparticle-assembled electrospun nanofibers showed tailorable electrochemical activity and tunable lithium storage properties.
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Affiliation(s)
- Chen Han
- School of Materials Science and Engineering
- Beijing Institute of Technology
- Beijing 100081
- China
| | - Wen-Qiang Cao
- School of Materials Science and Engineering
- Beijing Institute of Technology
- Beijing 100081
- China
| | - Mao-Sheng Cao
- School of Materials Science and Engineering
- Beijing Institute of Technology
- Beijing 100081
- China
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21
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Huang J, Li Y, Zhang Y, Rao G, Wu C, Hu Y, Wang X, Lu R, Li Y, Xiong J. Identification of Key Reversible Intermediates in Self‐Reconstructed Nickel‐Based Hybrid Electrocatalysts for Oxygen Evolution. Angew Chem Int Ed Engl 2019; 58:17458-17464. [DOI: 10.1002/anie.201910716] [Citation(s) in RCA: 148] [Impact Index Per Article: 29.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Indexed: 11/11/2022]
Affiliation(s)
- Jianwen Huang
- State Key Laboratory of Electronic Thin Film and Integrated DevicesUniversity of Electronic Science and Technology of China Chengdu 610054 China
| | - Yaoyao Li
- State Key Laboratory of Electronic Thin Film and Integrated DevicesUniversity of Electronic Science and Technology of China Chengdu 610054 China
| | - Yadong Zhang
- College of Physics and Optoelectronic EngineeringShenzhen University Guangdong 518060 China
| | - Gaofeng Rao
- State Key Laboratory of Electronic Thin Film and Integrated DevicesUniversity of Electronic Science and Technology of China Chengdu 610054 China
| | - Chunyang Wu
- State Key Laboratory of Electronic Thin Film and Integrated DevicesUniversity of Electronic Science and Technology of China Chengdu 610054 China
| | - Yin Hu
- State Key Laboratory of Electronic Thin Film and Integrated DevicesUniversity of Electronic Science and Technology of China Chengdu 610054 China
| | - Xianfu Wang
- State Key Laboratory of Electronic Thin Film and Integrated DevicesUniversity of Electronic Science and Technology of China Chengdu 610054 China
| | - Ruifeng Lu
- Department of Applied PhysicsNanjing University of Science and Technology Nanjing 210094 China
| | - Yanrong Li
- State Key Laboratory of Electronic Thin Film and Integrated DevicesUniversity of Electronic Science and Technology of China Chengdu 610054 China
| | - Jie Xiong
- State Key Laboratory of Electronic Thin Film and Integrated DevicesUniversity of Electronic Science and Technology of China Chengdu 610054 China
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22
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Huang J, Li Y, Zhang Y, Rao G, Wu C, Hu Y, Wang X, Lu R, Li Y, Xiong J. Identification of Key Reversible Intermediates in Self‐Reconstructed Nickel‐Based Hybrid Electrocatalysts for Oxygen Evolution. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201910716] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Jianwen Huang
- State Key Laboratory of Electronic Thin Film and Integrated DevicesUniversity of Electronic Science and Technology of China Chengdu 610054 China
| | - Yaoyao Li
- State Key Laboratory of Electronic Thin Film and Integrated DevicesUniversity of Electronic Science and Technology of China Chengdu 610054 China
| | - Yadong Zhang
- College of Physics and Optoelectronic EngineeringShenzhen University Guangdong 518060 China
| | - Gaofeng Rao
- State Key Laboratory of Electronic Thin Film and Integrated DevicesUniversity of Electronic Science and Technology of China Chengdu 610054 China
| | - Chunyang Wu
- State Key Laboratory of Electronic Thin Film and Integrated DevicesUniversity of Electronic Science and Technology of China Chengdu 610054 China
| | - Yin Hu
- State Key Laboratory of Electronic Thin Film and Integrated DevicesUniversity of Electronic Science and Technology of China Chengdu 610054 China
| | - Xianfu Wang
- State Key Laboratory of Electronic Thin Film and Integrated DevicesUniversity of Electronic Science and Technology of China Chengdu 610054 China
| | - Ruifeng Lu
- Department of Applied PhysicsNanjing University of Science and Technology Nanjing 210094 China
| | - Yanrong Li
- State Key Laboratory of Electronic Thin Film and Integrated DevicesUniversity of Electronic Science and Technology of China Chengdu 610054 China
| | - Jie Xiong
- State Key Laboratory of Electronic Thin Film and Integrated DevicesUniversity of Electronic Science and Technology of China Chengdu 610054 China
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23
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Zhong L, Kropp T, Baaziz W, Ersen O, Teschner D, Schlögl R, Mavrikakis M, Zafeiratos S. Correlation Between Reactivity and Oxidation State of Cobalt Oxide Catalysts for CO Preferential Oxidation. ACS Catal 2019. [DOI: 10.1021/acscatal.9b02582] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Liping Zhong
- Institut de Chimie et Procédés pour l’Energie, l’Environnement et la Santé (ICPEES), ECPM, UMR 7515 CNRS, Université de Strasbourg, 25 rue Becquerel, 67087 Strasbourg Cedex 02, France
| | - Thomas Kropp
- University of Wisconsin−Madison, Department of Chemical and Biological Engineering, 1415 Engineering Drive, Madison, Wisconsin 53706 United States
| | - Walid Baaziz
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS), UMR 7504 du CNRS, Université de Strasbourg, 23 rue du Loess, 67037 Strasbourg Cedex 08, France
| | - Ovidiu Ersen
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS), UMR 7504 du CNRS, Université de Strasbourg, 23 rue du Loess, 67037 Strasbourg Cedex 08, France
| | - Detre Teschner
- Departement of Inorganic Chemistry, Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin, Germany
- Department of Heterogeneous Reactions, Max-Planck-Institut für Chemische Energiekonversion, Stiftstrasse 34-36, 45470 Mülheim a. d. Ruhr, Germany
| | - Robert Schlögl
- Departement of Inorganic Chemistry, Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin, Germany
| | - Manos Mavrikakis
- University of Wisconsin−Madison, Department of Chemical and Biological Engineering, 1415 Engineering Drive, Madison, Wisconsin 53706 United States
| | - Spyridon Zafeiratos
- Institut de Chimie et Procédés pour l’Energie, l’Environnement et la Santé (ICPEES), ECPM, UMR 7515 CNRS, Université de Strasbourg, 25 rue Becquerel, 67087 Strasbourg Cedex 02, France
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Zhang X, Fu C, Xia Y, Duan Y, Li Y, Wang Z, Jiang Y, Li H. Atomistic Origin of the Complex Morphological Evolution of Aluminum Nanoparticles during Oxidation: A Chain-like Oxide Nucleation and Growth Mechanism. ACS NANO 2019; 13:3005-3014. [PMID: 30785726 DOI: 10.1021/acsnano.8b07633] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Metal nanoparticles usually show different oxidation dynamics from bulk metals, which results in various oxide nanostructures because of their size-related surface effects. In this work, we have found and investigated the chain-like nucleation and growth of oxides on the aluminum nanoparticle (ANP) surface, using molecular dynamics simulations with the reactive force-field (ReaxFF). After nucleation, the chain-like oxide nuclei could stay on the ANP surface and continue growing into an oxide shell, extend outward from the surface to form longer oxide chains, or detach from the ANP to generate independent oxide clusters, which is highly dependent on the oxygen content, temperature, and nanoparticle size. Our results emphasize the complicated interplay between the surface structure of nanoparticles and the environmental conditions in determining the formation of oxides, which provides insights into the atomic-scale oxidation mechanism of metal nanoparticles.
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Affiliation(s)
- Xingfan Zhang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education , Shandong University , Jinan 250061 , People's Republic of China
| | - Chengrui Fu
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education , Shandong University , Jinan 250061 , People's Republic of China
| | - Yujie Xia
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education , Shandong University , Jinan 250061 , People's Republic of China
| | - Yunrui Duan
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education , Shandong University , Jinan 250061 , People's Republic of China
| | - Yifan Li
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education , Shandong University , Jinan 250061 , People's Republic of China
| | - Zhichao Wang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education , Shandong University , Jinan 250061 , People's Republic of China
| | - Yanyan Jiang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education , Shandong University , Jinan 250061 , People's Republic of China
| | - Hui Li
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education , Shandong University , Jinan 250061 , People's Republic of China
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