1
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Hunter RD, Takeguchi M, Hashimoto A, Ridings KM, Hendy SC, Zakharov D, Warnken N, Isaacs J, Fernandez-Muñoz S, Ramirez-Rico J, Schnepp Z. Elucidating the Mechanism of Iron-Catalyzed Graphitization: The First Observation of Homogeneous Solid-State Catalysis. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2404170. [PMID: 39011966 DOI: 10.1002/adma.202404170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 06/24/2024] [Indexed: 07/17/2024]
Abstract
Carbon is a critical material for existing and emerging energy applications and there is considerable global effort in generating sustainable carbons. A particularly promising area is iron-catalyzed graphitization, which is the conversion of organic matter to graphitic carbon nanostructures by an iron catalyst. In this paper, it is reported that iron-catalyzed graphitization occurs via a new type of mechanism that is called homogeneous solid-state catalysis. Dark field in situ transmission electron microscopy is used to demonstrate that crystalline iron nanoparticles "burrow" through amorphous carbon to generate multiwalled graphitic nanotubes. The process is remarkably fast, particularly given the solid phase of the catalyst, and in situ synchrotron X-ray diffraction is used to demonstrate that graphitization is complete within a few minutes.
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Affiliation(s)
- Robert D Hunter
- School of Chemistry, University of Birmingham, Birmingham, B152TT, UK
| | - Masaki Takeguchi
- Center for Basic Research on Materials, National Institute for Materials Science, Tsukuba, Ibaraki, 305-0047, Japan
| | - Ayako Hashimoto
- Center for Basic Research on Materials, National Institute for Materials Science, Tsukuba, Ibaraki, 305-0047, Japan
| | - Kannan M Ridings
- Department of Physics, The University of Auckland, Auckland, 1010, New Zealand
| | - Shaun C Hendy
- Department of Physics, The University of Auckland, Auckland, 1010, New Zealand
| | - Dmitri Zakharov
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, NY, 11973-5000, USA
| | - Nils Warnken
- School of Metallurgy and Materials, University of Birmingham, Birmingham, B152TT, UK
| | - Jack Isaacs
- School of Chemistry, University of Birmingham, Birmingham, B152TT, UK
| | - Sol Fernandez-Muñoz
- Instituto de Ciencia de Materiales de Sevilla (ICMS), Universidad de Sevilla-CSIC, Sevilla, 41092, Spain
| | - Joaquín Ramirez-Rico
- Instituto de Ciencia de Materiales de Sevilla (ICMS), Universidad de Sevilla-CSIC, Sevilla, 41092, Spain
| | - Zoe Schnepp
- School of Chemistry, University of Birmingham, Birmingham, B152TT, UK
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2
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Wang S, Liu X, Chen H, Kong J, Guo Y, Lü W, Wang Z, Liu Z, Lü Z, Wang Z. Gas-Phase-Induced Engineering for Fabrication of 3D Hierarchical Porous Nickel and Its Application toward High-Performance Supercapacitors. ACS APPLIED MATERIALS & INTERFACES 2024; 16:26547-26556. [PMID: 38727094 DOI: 10.1021/acsami.4c02760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2024]
Abstract
Commercial nickel foam (NF), which is composed of numerous interconnected ligaments and hundred-micron pores, is widely acknowledged as a current collector/electrode material for catalysis, sensing, and energy storage applications. However, the commonly used NF often does not work satisfactorily due to its smooth surface and hollow structure of the ligaments. Herein, a gas-phase-induced engineering, two-step gaseous oxidation-reduction (GOR) is presented to directly transform the thin-walled hollow ligament of NF into a three-dimensional (3D) nanoporous prism structure, resulting in the fabrication of a unique hierarchical porous nickel foam (HPNF). This 3D nanoporous architecture is achieved by utilizing the spontaneous reconstruction of nickel atoms during volume expansion and contraction in the GOR process. The process avoids the involution of acid-base corrosion and sacrificial components, which are facile, environmentally friendly, and suitable for large-scale fabrication. Furthermore, MnO2 is electrochemically deposited on the HPNF to form a supercapacitor electrode (HPNF/MnO2). Because of the fully open structure for ion transport, superhydrophilic properties, and the increased contact area between MnO2 and the current collector, the HPNF/MnO2 electrode exhibits a high specific capacitance of 997.5 F g-1 at 3 A g-1 and remarkable cycling stability with 99.6% capacitance retention after 20000 cycles in 0.1 M Na2SO4 electrolyte, outperforming most MnO2-based supercapacitor electrodes.
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Affiliation(s)
- Shuo Wang
- School of Physics, Harbin Institute of Technology, Harbin, Heilongjiang 150001, People's Republic of China
| | - Xutong Liu
- School of Physics, Harbin Institute of Technology, Harbin, Heilongjiang 150001, People's Republic of China
| | - Honglei Chen
- School of Physics, Harbin Institute of Technology, Harbin, Heilongjiang 150001, People's Republic of China
| | - Jin Kong
- School of Physics, Harbin Institute of Technology, Harbin, Heilongjiang 150001, People's Republic of China
| | - Yingshuang Guo
- School of Physics, Harbin Institute of Technology, Harbin, Heilongjiang 150001, People's Republic of China
| | - Weiming Lü
- Condensed Matter Science and Technology Institute, School of Instrumentation Science and Engineering, Harbin Institute of Technology, Harbin, Heilongjiang 150001, People's Republic of China
| | - Zhengjia Wang
- Condensed Matter Science and Technology Institute, School of Instrumentation Science and Engineering, Harbin Institute of Technology, Harbin, Heilongjiang 150001, People's Republic of China
| | - Zhiguo Liu
- School of Physics, Harbin Institute of Technology, Harbin, Heilongjiang 150001, People's Republic of China
| | - Zhe Lü
- School of Physics, Harbin Institute of Technology, Harbin, Heilongjiang 150001, People's Republic of China
| | - Zhihong Wang
- School of Physics, Harbin Institute of Technology, Harbin, Heilongjiang 150001, People's Republic of China
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3
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Shangguan L, He LB, Dong SP, Gao YT, Sun Q, Zhu JH, Hong H, Zhu C, Yang ZX, Sun LT. Fabrication of β-Ga 2O 3 Nanotubes via Sacrificial GaSb-Nanowire Templates. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2756. [PMID: 37887907 PMCID: PMC10609696 DOI: 10.3390/nano13202756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 10/06/2023] [Accepted: 10/11/2023] [Indexed: 10/28/2023]
Abstract
β-Ga2O3 nanostructures are attractive wide-band-gap semiconductor materials as they exhibit promising photoelectric properties and potential applications. Despite the extensive efforts on β-Ga2O3 nanowires, investigations into β-Ga2O3 nanotubes are rare since the tubular structures are hard to synthesize. In this paper, we report a facile method for fabricating β-Ga2O3 nanotubes using pre-synthesized GaSb nanowires as sacrificial templates. Through a two-step heating-treatment strategy, the GaSb nanowires are partially oxidized to form β-Ga2O3 shells, and then, the residual inner parts are removed subsequently in vacuum conditions, yielding delicate hollow β-Ga2O3 nanotubes. The length, diameter, and thickness of the nanotubes can be customized by using different GaSb nanowires and heating parameters. In situ transmission electron microscopic heating experiments are performed to reveal the transformation dynamics of the β-Ga2O3 nanotubes, while the Kirkendall effect and the sublimation process are found to be critical. Moreover, photoelectric tests are carried out on the obtained β-Ga2O3 nanotubes. A photoresponsivity of ~25.9 A/W and a detectivity of ~5.6 × 1011 Jones have been achieved with a single-β-Ga2O3-nanotube device under an excitation wavelength of 254 nm.
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Affiliation(s)
- Lei Shangguan
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing 210096, China; (L.S.); (Y.-T.G.); (Q.S.); (H.H.); (C.Z.); (L.-T.S.)
- SEU-AMTE Collaborative Center for Atomic Layer Deposition and Etching, Southeast University, Wuxi 214000, China; (S.-P.D.); (J.-H.Z.)
| | - Long-Bing He
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing 210096, China; (L.S.); (Y.-T.G.); (Q.S.); (H.H.); (C.Z.); (L.-T.S.)
- SEU-AMTE Collaborative Center for Atomic Layer Deposition and Etching, Southeast University, Wuxi 214000, China; (S.-P.D.); (J.-H.Z.)
| | - Sheng-Pan Dong
- SEU-AMTE Collaborative Center for Atomic Layer Deposition and Etching, Southeast University, Wuxi 214000, China; (S.-P.D.); (J.-H.Z.)
| | - Yu-Tian Gao
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing 210096, China; (L.S.); (Y.-T.G.); (Q.S.); (H.H.); (C.Z.); (L.-T.S.)
| | - Qian Sun
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing 210096, China; (L.S.); (Y.-T.G.); (Q.S.); (H.H.); (C.Z.); (L.-T.S.)
| | - Jiong-Hao Zhu
- SEU-AMTE Collaborative Center for Atomic Layer Deposition and Etching, Southeast University, Wuxi 214000, China; (S.-P.D.); (J.-H.Z.)
| | - Hua Hong
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing 210096, China; (L.S.); (Y.-T.G.); (Q.S.); (H.H.); (C.Z.); (L.-T.S.)
| | - Chao Zhu
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing 210096, China; (L.S.); (Y.-T.G.); (Q.S.); (H.H.); (C.Z.); (L.-T.S.)
| | - Zai-Xing Yang
- School of Physics, Shandong University, Jinan 250100, China;
- School of Microelectronics, Shandong University, Jinan 250100, China
| | - Li-Tao Sun
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing 210096, China; (L.S.); (Y.-T.G.); (Q.S.); (H.H.); (C.Z.); (L.-T.S.)
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4
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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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5
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Alcorn FM, van der Veen RM, Jain PK. In Situ Electron Microscopy of Transformations of Copper Nanoparticles under Plasmonic Excitation. NANO LETTERS 2023. [PMID: 37399502 DOI: 10.1021/acs.nanolett.3c01474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/05/2023]
Abstract
Metal nanoparticles are attracting interest for their light-absorption properties, but such materials are known to dynamically evolve under the action of chemical and physical perturbations, resulting in changes in their structure and composition. Using a transmission electron microscope equipped for optical excitation of the specimen, the structural evolution of Cu-based nanoparticles under simultaneous electron beam irradiation and plasmonic excitation was investigated with high spatiotemporal resolution. These nanoparticles initially have a Cu core-Cu2O oxide shell structure, but over the course of imaging, they undergo hollowing via the nanoscale Kirkendall effect. We captured the nucleation of a void within the core, which then rapidly grows along specific crystallographic directions until the core is hollowed out. Hollowing is triggered by electron-beam irradiation; plasmonic excitation enhances the kinetics of the transformation likely by the effect of photothermal heating.
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Affiliation(s)
- Francis M Alcorn
- Department of Chemistry, University of Illinois at Urbana─Champaign, Urbana, Illinois 61801, United States
- Materials Research Laboratory, University of Illinois at Urbana─Champaign, Urbana, Illinois 61801, United States
| | - Renske M van der Veen
- Department of Chemistry, University of Illinois at Urbana─Champaign, Urbana, Illinois 61801, United States
- Materials Research Laboratory, University of Illinois at Urbana─Champaign, Urbana, Illinois 61801, United States
- Helmholtz Zentrum Berlin für Materialien und Energie GmbH, 14109 Berlin, Germany
| | - Prashant K Jain
- Department of Chemistry, University of Illinois at Urbana─Champaign, Urbana, Illinois 61801, United States
- Materials Research Laboratory, University of Illinois at Urbana─Champaign, Urbana, Illinois 61801, United States
- Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana─Champaign, Urbana, Illinois 61801, United States
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6
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Lee S, Schneider NM, Tan SF, Ross FM. Temperature Dependent Nanochemistry and Growth Kinetics Using Liquid Cell Transmission Electron Microscopy. ACS NANO 2023; 17:5609-5619. [PMID: 36881385 DOI: 10.1021/acsnano.2c11477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Liquid cell transmission electron microscopy has become a powerful and increasingly accessible technique for in situ studies of nanoscale processes in liquid and solution phase. Exploring reaction mechanisms in electrochemical or crystal growth processes requires precise control over experimental conditions, with temperature being one of the most critical factors. Here we carry out a series of crystal growth experiments and simulations at different temperatures in the well-studied system of Ag nanocrystal growth driven by the changes in redox environment caused by the electron beam. Liquid cell experiments show strong changes in both morphology and growth rate with temperature. We develop a kinetic model to predict the temperature-dependent solution composition, and we discuss how the combined effect of temperature-dependent chemistry, diffusion, and the balance between nucleation and growth rates affect the morphology. We discuss how this work may provide guidance in interpreting liquid cell TEM and potentially larger-scale synthesis experiments for systems controlled by temperature.
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Affiliation(s)
- Serin Lee
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | | | - Shu Fen Tan
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Frances M Ross
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
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7
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Time-resolved transmission electron microscopy for nanoscale chemical dynamics. Nat Rev Chem 2023; 7:256-272. [PMID: 37117417 DOI: 10.1038/s41570-023-00469-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/12/2023] [Indexed: 02/24/2023]
Abstract
The ability of transmission electron microscopy (TEM) to image a structure ranging from millimetres to Ångströms has made it an indispensable component of the toolkit of modern chemists. TEM has enabled unprecedented understanding of the atomic structures of materials and how structure relates to properties and functions. Recent developments in TEM have advanced the technique beyond static material characterization to probing structural evolution on the nanoscale in real time. Accompanying advances in data collection have pushed the temporal resolution into the microsecond regime with the use of direct-electron detectors and down to the femtosecond regime with pump-probe microscopy. Consequently, studies have deftly applied TEM for understanding nanoscale dynamics, often in operando. In this Review, time-resolved in situ TEM techniques and their applications for probing chemical and physical processes are discussed, along with emerging directions in the TEM field.
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8
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Zhou S, Zheng Q, Tang S, Sun SG, Liao HG. Liquid cell electrochemical TEM: Unveiling the real-time interfacial reactions of advanced Li-metal batteries. J Chem Phys 2022; 157:230901. [PMID: 36550040 DOI: 10.1063/5.0129238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Li metal batteries (LMBs) reveal great application prospect in next-generation energy storage, because of their high energy density and low electrochemical potential, especially when paired with elemental sulfur and oxygen cathodes. Complex interfacial reactions have long been a big concern because of the elusive formation/dissolution of Li metal at the solid-electrolyte interface (SEI) layer, which leads to battery degradation under practical operating conditions. To precisely track the reactions at the electrode/electrolyte interfaces, in the past ten years, high spatio-temporal resolution, in situ electrochemical transmission electron microscopy (EC-TEM) has been developed. A preliminary understanding of the structural and chemical variation of Li metal during nucleation/growth and SEI layer formation has been obtained. In this perspective, we give a brief introduction of liquid cell development. Then, we comparably discuss the different configurations of EC-TEM based on open-cell and liquid-cell, and focus on the recent advances of liquid-cell EC-TEM and its investigation in the electrodes, electrolytes, and SEI. Finally, we present a perspective of liquid-cell EC-TEM for future LMB research.
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Affiliation(s)
- Shiyuan Zhou
- State Key Laboratory of Physical Chemistry of Solid Surfaces Collaborative Innovation Center of Chemistry for Energy Materials, Xiamen University, Xiamen 361005, People's Republic of China
| | - Qizheng Zheng
- State Key Laboratory of Physical Chemistry of Solid Surfaces Collaborative Innovation Center of Chemistry for Energy Materials, Xiamen University, Xiamen 361005, People's Republic of China
| | - Shi Tang
- State Key Laboratory of Physical Chemistry of Solid Surfaces Collaborative Innovation Center of Chemistry for Energy Materials, Xiamen University, Xiamen 361005, People's Republic of China
| | - Shi-Gang Sun
- State Key Laboratory of Physical Chemistry of Solid Surfaces Collaborative Innovation Center of Chemistry for Energy Materials, Xiamen University, Xiamen 361005, People's Republic of China
| | - Hong-Gang Liao
- State Key Laboratory of Physical Chemistry of Solid Surfaces Collaborative Innovation Center of Chemistry for Energy Materials, Xiamen University, Xiamen 361005, People's Republic of China
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9
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Kumar A, Dutta S, Kim S, Kwon T, Patil SS, Kumari N, Jeevanandham S, Lee IS. Solid-State Reaction Synthesis of Nanoscale Materials: Strategies and Applications. Chem Rev 2022; 122:12748-12863. [PMID: 35715344 DOI: 10.1021/acs.chemrev.1c00637] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Nanomaterials (NMs) with unique structures and compositions can give rise to exotic physicochemical properties and applications. Despite the advancement in solution-based methods, scalable access to a wide range of crystal phases and intricate compositions is still challenging. Solid-state reaction (SSR) syntheses have high potential owing to their flexibility toward multielemental phases under feasibly high temperatures and solvent-free conditions as well as their scalability and simplicity. Controlling the nanoscale features through SSRs demands a strategic nanospace-confinement approach due to the risk of heat-induced reshaping and sintering. Here, we describe advanced SSR strategies for NM synthesis, focusing on mechanistic insights, novel nanoscale phenomena, and underlying principles using a series of examples under different categories. After introducing the history of classical SSRs, key theories, and definitions central to the topic, we categorize various modern SSR strategies based on the surrounding solid-state media used for nanostructure growth, conversion, and migration under nanospace or dimensional confinement. This comprehensive review will advance the quest for new materials design, synthesis, and applications.
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Affiliation(s)
- Amit Kumar
- Creative Research Initiative Center for Nanospace-confined Chemical Reactions (NCCR) and Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea
| | - Soumen Dutta
- Creative Research Initiative Center for Nanospace-confined Chemical Reactions (NCCR) and Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea
| | - Seonock Kim
- Creative Research Initiative Center for Nanospace-confined Chemical Reactions (NCCR) and Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea
| | - Taewan Kwon
- Creative Research Initiative Center for Nanospace-confined Chemical Reactions (NCCR) and Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea
| | - Santosh S Patil
- Creative Research Initiative Center for Nanospace-confined Chemical Reactions (NCCR) and Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea
| | - Nitee Kumari
- Creative Research Initiative Center for Nanospace-confined Chemical Reactions (NCCR) and Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea
| | - Sampathkumar Jeevanandham
- Creative Research Initiative Center for Nanospace-confined Chemical Reactions (NCCR) and Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea
| | - In Su Lee
- Creative Research Initiative Center for Nanospace-confined Chemical Reactions (NCCR) and Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea.,Institute for Convergence Research and Education in Advanced Technology (I-CREATE), Yonsei University, Seoul 03722, Korea
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10
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Sun C, Liu M, Wang L, Xie L, Zhao W, Li J, Liu S, Yan D, Zhao Q. Revisiting lithium-storage mechanisms of molybdenum disulfide. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.08.052] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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11
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Huang W, Li H, Yu L, Lin Y, Lei Y, Jin L, Yu H, He Y. Imaging adsorption of iodide on single Cu 2O microparticles reveals the acid activation mechanism. JOURNAL OF HAZARDOUS MATERIALS 2021; 420:126539. [PMID: 34252657 DOI: 10.1016/j.jhazmat.2021.126539] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 05/31/2021] [Accepted: 06/27/2021] [Indexed: 06/13/2023]
Abstract
Imaging an adsorption reaction taking place at the single-particle level is a promising avenue for fundamentally understanding the adsorption mechanism. Here, we employ a dark-field microscopy (DFM) method for in situ imaging the adsorption process of I- on single Cu2O microparticles to reveal the acid activation mechanism. Using the time-lapsed DMF imaging, we find that a relatively strong acid is indispensable to trigger the adsorption reaction of I- on single Cu2O microparticle. A hollow microparticle with the increase in size is obtained after the adsorption reaction, causing the enhancement of the scattering intensity. Correlating the change of the scattering light intensity or particle size with adsorption capacity of I-, we quantitatively analyze the selective uptake, slightly heterogeneous adsorption behavior, pH/temperature-dependent adsorption capacity, and adsorption kinetics as well as isotherms of individual Cu2O microparticles for I-. Our observations demonstrate that the acid-initiated Kirkendall effect is responsible for the high-reaction activity of single Cu2O microparticles for adsorption of I- in the acidic environment, through breaking the unfavorable lattice energy between Cu2O and CuI as well as generating high-active hollow intermediate microparticle.
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Affiliation(s)
- Wei Huang
- National Collaborative Innovation Center for Nuclear Waste and Environmental Safety, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, PR China
| | - Hua Li
- SUSTech Core Research Facilities, Southern University of Science and Technology, Shenzhen 518055, PR China
| | - Ling Yu
- National Collaborative Innovation Center for Nuclear Waste and Environmental Safety, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, PR China
| | - Ying Lin
- National Collaborative Innovation Center for Nuclear Waste and Environmental Safety, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, PR China
| | - Yuting Lei
- National Collaborative Innovation Center for Nuclear Waste and Environmental Safety, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, PR China
| | - Luyue Jin
- National Collaborative Innovation Center for Nuclear Waste and Environmental Safety, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, PR China
| | - Haili Yu
- National Collaborative Innovation Center for Nuclear Waste and Environmental Safety, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, PR China
| | - Yi He
- National Collaborative Innovation Center for Nuclear Waste and Environmental Safety, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, PR China.
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12
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Shi F, Peng J, Li F, Qian N, Shan H, Tao P, Song C, Shang W, Deng T, Zhang H, Wu J. Design of Highly Durable Core-Shell Catalysts by Controlling Shell Distribution Guided by In-Situ Corrosion Study. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2101511. [PMID: 34346100 DOI: 10.1002/adma.202101511] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 05/03/2021] [Indexed: 06/13/2023]
Abstract
Most degradations in electrocatalysis are caused by corrosion in operation, for example the corrosion of the core in a core-shell electrocatalyst during the oxygen reduction reaction (ORR). Herein, according to the in-situ study on nanoscale corrosion kinetics via liquid cell transmission electron microscopy (LC-TEM) in the authors' previous work, they sequentially designed an optimized nanocube with the protection of more layers on the corners by adjusting the Pt atom distribution on corners and terraces. This modified nanocube (MNC) is much more corrosion resistant in the in-situ observation. Furthermore, in the practical electrochemical stability testing, the MNC catalyst also showed the best stability performance with the 0.37% and 9.01% loss in specific and mass activity after 30 000 cycles accelerated durability test (ADT). This work also demonstrates that how an in-situ study can guide the design of desired materials with improved properties and build a bridge between in-situ study and practical application.
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Affiliation(s)
- Fenglei Shi
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Rd, Shanghai, 200240, P. R. China
| | - Jiaheng Peng
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Rd, Shanghai, 200240, P. R. China
| | - Fan Li
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Rd, Shanghai, 200240, P. R. China
| | - Ningkang Qian
- State Key Laboratory of Silicon Materials, School of Materials Science & Engineering, Zhejiang University, Hangzhou, Zhejiang, 310027, P. R. China
| | - Hao Shan
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Rd, Shanghai, 200240, P. R. China
| | - Peng Tao
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Rd, Shanghai, 200240, P. R. China
| | - Chengyi Song
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Rd, Shanghai, 200240, P. R. China
| | - Wen Shang
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Rd, Shanghai, 200240, P. R. China
| | - Tao Deng
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Rd, Shanghai, 200240, P. R. China
- Hydrogen Science Research Center, Shanghai Jiao Tong University, Shanghai, P. R. China
| | - Hui Zhang
- State Key Laboratory of Silicon Materials, School of Materials Science & Engineering, Zhejiang University, Hangzhou, Zhejiang, 310027, P. R. China
| | - Jianbo Wu
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Rd, Shanghai, 200240, P. R. China
- Hydrogen Science Research Center, Shanghai Jiao Tong University, Shanghai, P. R. China
- Materials Genome Initiative Center, Shanghai Jiao Tong University, Shanghai, P. R. China
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13
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Xu X, Zhang R, Yang X, Lu Y, Yang Z, Peng M, Ma Z, Jiao J, Li L. A Honeycomb-Like Bismuth/Manganese Oxide Nanoparticle with Mutual Reinforcement of Internal and External Response for Triple-Negative Breast Cancer Targeted Therapy. Adv Healthc Mater 2021; 10:e2100518. [PMID: 34297897 DOI: 10.1002/adhm.202100518] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 06/21/2021] [Indexed: 12/11/2022]
Abstract
Triple-negative breast cancer (TNBC) exhibits aggressive behavior and high levels of metastasis owing to its complex heterogeneous structure and lack of specific receptors. Here, tumor cell membrane (CM)-coated bismuth/manganese oxide nanoparticles (NPs) with high indocyanine green (ICG) payload up to 50.6 wt% (mBMNI NPs) for targeted TNBC therapy are constructed. The extra-high drug load Bi@Bi2 O3 @MnOx NPs (honey-comb like structure) are formed by Kirkendall effect and electrostatic attraction. After modified with CM, they can home into tumor sites precisely, where they respond to internal overexpressed glutathione (GSH), releasing Mn2+ for chemodynamic therapy (CDT) with GSH depletion, while H2 O2 degrades into O2 enabling relief of tumor hypoxia. In response to external near-infrared irradiation, mBMNI NPs intelligently generate vigorous heat and single oxygen (1 O2 ) for photothermal therapy (PTT) and photodynamic therapy (PDT) owing to high load. Importantly, O2 production and GSH consumption during the internal response reinforce external PDT, while the heat generated through PTT during the external response promotes internal CDT. The honeycomb-like structure with high ICG load and mutual reinforcement between internal and external response results in excellent therapeutic effects against TNBC.
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Affiliation(s)
- Xingyi Xu
- The State Key Laboratory of Luminescent Materials and Devices Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques School of Materials Science and Technology South China University of Technology School of Physics South China University of Technology Guangzhou Guangdong 510640 China
| | - Rongyuan Zhang
- Department of Urology The First Affiliated Hospital Soochow University Suzhou Jiangsu 215006 China
| | - Xianfeng Yang
- The State Key Laboratory of Luminescent Materials and Devices Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques School of Materials Science and Technology South China University of Technology School of Physics South China University of Technology Guangzhou Guangdong 510640 China
| | - Yao Lu
- Department of Joint and Orthopedics Orthopedic Center Clinical Research Center Zhujiang Hospital Southern Medical University Guangzhou Guangdong 510282 China
| | - Zhongmin Yang
- The State Key Laboratory of Luminescent Materials and Devices Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques School of Materials Science and Technology South China University of Technology School of Physics South China University of Technology Guangzhou Guangdong 510640 China
| | - Mingying Peng
- The State Key Laboratory of Luminescent Materials and Devices Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques School of Materials Science and Technology South China University of Technology School of Physics South China University of Technology Guangzhou Guangdong 510640 China
| | - Zhijun Ma
- The State Key Laboratory of Luminescent Materials and Devices Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques School of Materials Science and Technology South China University of Technology School of Physics South China University of Technology Guangzhou Guangdong 510640 China
| | - Ju Jiao
- Department of Nuclear Medicine The Third Affiliated Hospital Sun Yat‐sen University Guangzhou Guangdong 510640 China
| | - Lihua Li
- The State Key Laboratory of Luminescent Materials and Devices Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques School of Materials Science and Technology South China University of Technology School of Physics South China University of Technology Guangzhou Guangdong 510640 China
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14
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Sharna S, Bahri M, Bouillet C, Rouchon V, Lambert A, Gay AS, Chiche D, Ersen O. In situ STEM study on the morphological evolution of copper-based nanoparticles during high-temperature redox reactions. NANOSCALE 2021; 13:9747-9756. [PMID: 34019612 DOI: 10.1039/d1nr01648b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Despite the broad relevance of copper nanoparticles in industrial applications, the fundamental understanding of oxidation and reduction of copper at the nanoscale is still a matter of debate and remains within the realm of bulk or thin film-based systems. Moreover, the reported studies on nanoparticles vary widely in terms of experimental parameters and are predominantly carried out using either ex situ observation or environmental transmission electron microscopy in a gaseous atmosphere at low pressure. Hence, dedicated studies in regards to the morphological transformations and structural transitions of copper-based nanoparticles at a wider range of temperatures and under industrially relevant pressure would provide valuable insights to improve the application-specific material design. In this paper, copper nanoparticles are studied using in situ Scanning Transmission Electron Microscopy to discern the transformation of the nanoparticles induced by oxidative and reductive environments at high temperatures. The nanoparticles were subjected to a temperature of 150 °C to 900 °C at 0.5 atm partial pressure of the reactive gas, which resulted in different modes of copper mobility both within the individual nanoparticles and on the surface of the support. Oxidation at an incremental temperature revealed the dependency of the nanoparticles' morphological evolution on their initial size as well as reaction temperature. After the formation of an initial thin layer of oxide, the nanoparticles evolved to form hollow oxide shells. The kinetics of formation of hollow particles were simulated using a reaction-diffusion model to determine the activation energy of diffusion and temperature-dependent diffusion coefficient of copper in copper oxide. Upon further temperature increase, the hollow shell collapsed to form compact and facetted nanoparticles. Reduction of copper oxide was carried out at different temperatures starting from various oxide phase morphologies. A reduction mechanism is proposed based on the dynamic of the reduction-induced fragmentation of the oxide phase. In a broader perspective, this study offers insights into the mobility of the copper phase during its oxidation-reduction process in terms of microstructural evolution as a function of nanoparticle size, reaction gas, and temperature.
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Affiliation(s)
- Sharmin Sharna
- IFP Energies Nouvelles, Rond-Point de l'échangeur de Solaize, 69360 Solaize, France
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15
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Synthesis of Magnetic α-Fe2O3/Rutile TiO2 Hollow Spheres for Visible-Light Photocatalytic Activity. Catalysts 2021. [DOI: 10.3390/catal11030396] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The high recombination rate of the electron-hole pair on the surface of rutile TiO2 (RT) reduces its photocatalytic performance, although it has high thermodynamic stability and few internal grain defects. Therefore, it is necessary for RT to develop effective methods to reduce electron-hole pair recombination. In this study, magnetic α-Fe2O3/Rutile TiO2 self-assembled hollow spheres were fabricated via a facile hydrothermal reaction and template-free method. Based on the experimental result, phosphate concentration was found to play a crucial role in controlling the shape of these hollow α-Fe2O3/RT nanospheres, and the optimal concentration is 0.025 mM. Due to a heterojunction between α-Fe2O3 and RT, the electron-hole pair recombination rate was reduced, the as-synthesized hollow α-Fe2O3/RT nanospheres exhibited excellent photocatalysis in rhodamine B (RhB) photodegradation compared to α-Fe2O3 and RT under visible-light irradiation, and the degradation rate was about 16% (RT), 60% (α-Fe2O3), and 93% (α-Fe2O3/RT) after 100 min. Moreover, α-Fe2O3/RT showed paramagnetism and can be recycled to avoid secondary environmental pollution.
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16
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Abstract
Abstract
In this paper, we report oxidation time effect on highly porous silver oxide nanowires thin films fabricated using ultrasonic spray pyrolysis and oxygen plasma etching method. The NW’s morphological, electrical, and optical properties were investigated under different plasma etching periods and the number of deposition cycles. The increase of plasma etching and oxidation time increases the surface roughness of the Ag NWs until it fused to form a porous thin film of silver oxide. AgNWs based thin films were characterized using X-ray diffraction, scanning electron microscope, transmission electron microscope, X-ray photoemission spectroscopy, and UV–Vis spectroscopy techniques. The obtained results indicate the formation of mixed mesoporous Ag2O and AgO NW thin films. The Ag2O phase of silver oxide appears after 300 s of oxidation under the same conditions, while the optical transparency of the thin film decreases as plasma etching time increases. The sheet resistance of the final film is influenced by the oxidation time and the plasma application periodicity.
Graphic abstract
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17
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Sadighikia S, Grau‐Carbonell A, Welling TA, Kotni R, Hagemans F, Imhof A, van Huis MA, van Blaaderen A. Low‐dose liquid cell electron microscopy investigation of the complex etching mechanism of rod‐shaped silica colloids. NANO SELECT 2020. [DOI: 10.1002/nano.202000060] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Affiliation(s)
- Sina Sadighikia
- Soft Condensed Matter Debye Institute for Nanomaterials Science Utrecht University Princetonplein 5 Utrecht 3584CC The Netherlands
| | - Albert Grau‐Carbonell
- Soft Condensed Matter Debye Institute for Nanomaterials Science Utrecht University Princetonplein 5 Utrecht 3584CC The Netherlands
| | - Tom A.J. Welling
- Soft Condensed Matter Debye Institute for Nanomaterials Science Utrecht University Princetonplein 5 Utrecht 3584CC The Netherlands
| | - Ramakrishna Kotni
- Soft Condensed Matter Debye Institute for Nanomaterials Science Utrecht University Princetonplein 5 Utrecht 3584CC The Netherlands
| | - Fabian Hagemans
- Soft Condensed Matter Debye Institute for Nanomaterials Science Utrecht University Princetonplein 5 Utrecht 3584CC The Netherlands
| | - Arnout Imhof
- Soft Condensed Matter Debye Institute for Nanomaterials Science Utrecht University Princetonplein 5 Utrecht 3584CC The Netherlands
| | - Marijn A. van Huis
- Soft Condensed Matter Debye Institute for Nanomaterials Science Utrecht University Princetonplein 5 Utrecht 3584CC The Netherlands
| | - Alfons van Blaaderen
- Soft Condensed Matter Debye Institute for Nanomaterials Science Utrecht University Princetonplein 5 Utrecht 3584CC The Netherlands
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18
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Boebinger MG, Yarema O, Yarema M, Unocic KA, Unocic RR, Wood V, McDowell MT. Spontaneous and reversible hollowing of alloy anode nanocrystals for stable battery cycling. NATURE NANOTECHNOLOGY 2020; 15:475-481. [PMID: 32483321 DOI: 10.1038/s41565-020-0690-9] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 04/13/2020] [Indexed: 06/11/2023]
Abstract
High-capacity alloy anode materials for Li-ion batteries have long been held back by limited cyclability caused by the large volume changes during lithium insertion and removal. Hollow and yolk-shell nanostructures have been used to increase the cycling stability by providing an inner void space to accommodate volume changes and a mechanically and dimensionally stable outer surface. These materials, however, require complex synthesis procedures. Here, using in situ transmission electron microscopy, we show that sufficiently small antimony nanocrystals spontaneously form uniform voids on the removal of lithium, which are then reversibly filled and vacated during cycling. This behaviour is found to arise from a resilient native oxide layer that allows for an initial expansion during lithiation but mechanically prevents shrinkage as antimony forms voids during delithiation. We developed a chemomechanical model that explains these observations, and we demonstrate that this behaviour is size dependent. Thus, antimony naturally evolves to form optimal nanostructures for alloy anodes, as we show through electrochemical experiments in a half-cell configuration in which 15-nm antimony nanocrystals have a consistently higher Coulombic efficiency than larger nanoparticles.
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Affiliation(s)
- Matthew G Boebinger
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Olesya Yarema
- Department of Information Technology and Electrical Engineering, ETH Zürich, Zürich, Switzerland
| | - Maksym Yarema
- Department of Information Technology and Electrical Engineering, ETH Zürich, Zürich, Switzerland
| | - Kinga A Unocic
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, TN, USA
| | - Raymond R Unocic
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, TN, USA
| | - Vanessa Wood
- Department of Information Technology and Electrical Engineering, ETH Zürich, Zürich, Switzerland
| | - Matthew T McDowell
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, USA.
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, USA.
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19
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Zhu S, Nguyen MT, Tokunaga T, Wen CY, Yonezawa T. In situ TEM observation of liquid-state Sn nanoparticles vanishing in a SiO 2 structure: a potential synthetic tool for controllable morphology evolution from core-shell to yolk-shell and hollow structures. NANOSCALE ADVANCES 2020; 2:1456-1464. [PMID: 36132324 PMCID: PMC9418928 DOI: 10.1039/c9na00782b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 02/01/2020] [Indexed: 05/28/2023]
Abstract
Precise design of hollow nanostructures can be realized via various approaches developed in the last two decades, endowing nanomaterials with unique structures and outstanding performances, showing their usefulness in a broad range of fields. Herein, we demonstrate the formation of SnO2@SiO2 hollow nanostructures, for the first time, by interaction between liquid state Sn cores and SiO2 shell structures inside Sn@SiO2 core-shell nanoparticles with real-time observation via in situ transmission electron microscopy (TEM). Based on the in situ results, designed transformation of the nanoparticle structure from core-shell Sn@SiO2 to yolk-shell Sn@SiO2 and hollow SnO2@SiO2 is demonstrated, showing the controllable structure of core-shell Sn@SiO2 nanoparticles via fixing liquid-state Sn inside a SiO2 shell which has a certain Sn containing capacity. The present approach expands the toolbox for the design and preparation of yolk-shell and hollow nanostructures, thus providing us with a new strategy for fabrication of more complicated nanostructures.
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Affiliation(s)
- Shilei Zhu
- Division of Materials Science and Engineering, Faculty of Engineering, Hokkaido University Kita 13 Nishi 8, Kita-ku Sapporo Hokkaido 060-8628 Japan
| | - Mai Thanh Nguyen
- Division of Materials Science and Engineering, Faculty of Engineering, Hokkaido University Kita 13 Nishi 8, Kita-ku Sapporo Hokkaido 060-8628 Japan
| | - Tomoharu Tokunaga
- Department of Materials Design Innovation Engineering, Faculty of Engineering, Nagoya University Furo-cho, Chikusa-ku Nagoya 464-8601 Japan
| | - Cheng-Yen Wen
- Department of Materials Science and Engineering, National Taiwan University No. 1, Section 4, Roosevelt Rd, Da'an District Taipei City 10617 Taiwan
| | - Tetsu Yonezawa
- Division of Materials Science and Engineering, Faculty of Engineering, Hokkaido University Kita 13 Nishi 8, Kita-ku Sapporo Hokkaido 060-8628 Japan
- Institute for the Promotion of Business-Regional Collaboration, Hokkaido University Kita 21 Nishi 11, Kita-ku Sapporo Hokkaido 001-0021 Japan
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20
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Jin L, Xu H, Chen C, Shang H, Wang Y, Wang C, Du Y. Porous Pt–Rh–Te nanotubes: an alleviated poisoning effect for ethanol electrooxidation. Inorg Chem Front 2020. [DOI: 10.1039/c9qi01249d] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of uniform and well-defined ternary 1D Pt–Rh–Te nanotubes with different compositions have been developed.
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Affiliation(s)
- Liujun Jin
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
- PR China
| | - Hui Xu
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
- PR China
| | - Chunyan Chen
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
- PR China
| | - Hongyuan Shang
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
- PR China
| | - Yong Wang
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
- PR China
| | - Caiqin Wang
- College of Science & Institute of Materials Physics and Chemistry
- Nanjing Forestry University
- Nanjing 210037
- P. R. China
| | - Yukou Du
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
- PR China
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21
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Wang X, Liu C, Wu C, Tian X, Wang K, Pei W, Wang Q. Magnetic field assisted synthesis of Co2P hollow nanoparticles with controllable shell thickness for hydrogen evolution reaction. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2019.135191] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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22
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Gurusamy L, Anandan S, Liu N, Wu JJ. Synthesis of a novel hybrid anode nanoarchitecture of Bi2O3/porous-RGO nanosheets for high-performance asymmetric supercapacitor. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2019.113489] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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23
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Liu X, Deng S, Liu P, Liang J, Gong M, Lai C, Lu Y, Zhao T, Wang D. Facile self-template fabrication of hierarchical nickel-cobalt phosphide hollow nanoflowers with enhanced hydrogen generation performance. Sci Bull (Beijing) 2019; 64:1675-1684. [PMID: 36659781 DOI: 10.1016/j.scib.2019.09.014] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 08/09/2019] [Accepted: 09/10/2019] [Indexed: 01/21/2023]
Abstract
Developing facile methods to construct hierarchical-structured transition metal phosphides is beneficial for achieving high-efficiency hydrogen evolution catalysts. Herein, a self-template strategy of hydrothermal treatment of solid Ni-Co glycerate nanospheres followed by phosphorization is delivered to synthesize hierarchical NiCoP hollow nanoflowers with ultrathin nanosheet assembly. The microstructure of NiCoP can be availably tailored by adjusting the hydrothermal treatment temperature through affecting the hydrolysis process of Ni-Co glycerate nanospheres and the occurred Kirkendall effect. Benefitting from the promoted exposure of active sites and affluent mass diffusion routes, the HER performance of the NiCoP hollow nanoflowers has been obviously enhanced in contrast with the solid NiCoP nanospheres. The fabricated NiCoP hollow nanoflowers yield the current density of 10 mA cm-2 at small overpotentials of 95 and 127 mV in 0.5 mol L-1 H2SO4 and 1.0 mol L-1 KOH solution, respectively. Moreover, the two-electrode alkaline cell assembled with the NiCoP and Ir/C catalysts exhibits sustainable stability for overall water splitting. The work provides a simple but efficient method to regulate the microstructure of transition metal phosphides, which is helpful for achieving high-performance hydrogen evolution catalysts based on solid-state metal alkoxides.
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Affiliation(s)
- Xupo Liu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Shaofeng Deng
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Peifang Liu
- Analysis & Testing Center of Xinyang Normal University, Xinyang 464000, China
| | - Jianing Liang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Mingxing Gong
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Chenglong Lai
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Yun Lu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Tonghui Zhao
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Deli Wang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China.
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24
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Bharda AV, Jung HS. Liquid electron microscopy: then, now and future. Appl Microsc 2019; 49:9. [PMID: 33580443 PMCID: PMC7809579 DOI: 10.1186/s42649-019-0011-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 09/25/2019] [Indexed: 11/10/2022] Open
Abstract
Contemporary microscopic imaging at near-atomic resolution of diverse embodiments in liquid environment has gained keen interest. In particular, Electron Microscopy (EM) can provide comprehensive framework on the structural and functional characterization of samples in liquid phase. In the past few decades, liquid based electron microscopic modalities have developed tremendously to provide insights into various backgrounds like biological, chemical, nanoparticle and material researches. It serves to be a promising analytical tool in deciphering unique insights from solvated systems. Here, the basics of liquid electron microscopy with few examples of its applications are summarized in brief. The technical developments made so far and its preference over other approaches is shortly presented. Finally, the experimental limitations and an outlook on the future technical advancement for liquid EM have been discussed.
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Affiliation(s)
- Anahita Vispi Bharda
- Division of Chemistry and Biochemistry, College of Natural Sciences, Kangwon National University, Chuncheon-si, Gangwon-do, 24341, South Korea
| | - Hyun Suk Jung
- Division of Chemistry and Biochemistry, College of Natural Sciences, Kangwon National University, Chuncheon-si, Gangwon-do, 24341, South Korea.
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25
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Sung J, Choi BK, Kim B, Kim BH, Kim J, Lee D, Kim S, Kang K, Hyeon T, Park J. Redox-Sensitive Facet Dependency in Etching of Ceria Nanocrystals Directly Observed by Liquid Cell TEM. J Am Chem Soc 2019; 141:18395-18399. [PMID: 31644272 DOI: 10.1021/jacs.9b09508] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Defining the redox activity of different surface facets of ceria nanocrystals is important for designing an efficient catalyst. Especially in liquid-phase reactions, where surface interactions are complicated, direct investigation in a native environment is required to understand the facet-dependent redox properties. Using liquid cell TEM, we herein observed the etching of ceria-based nanocrystals under the control of redox-governing factors. Direct nanoscale observation reveals facet-dependent etching kinetics, thus identifying the specific facet ({100} for reduction and {111} for oxidation) that governs the overall etching under different chemical conditions. Under each redox condition, the contribution of the predominant facet increases as the etching reactivity increases.
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Affiliation(s)
- Jongbaek Sung
- Center for Nanoparticle Research , Institute for Basic Science (IBS) , Seoul 08826 , Republic of Korea.,School of Chemical and Biological Engineering, and Institute of Chemical Process , Seoul National University , Seoul 08826 , Republic of Korea
| | - Back Kyu Choi
- Center for Nanoparticle Research , Institute for Basic Science (IBS) , Seoul 08826 , Republic of Korea.,School of Chemical and Biological Engineering, and Institute of Chemical Process , Seoul National University , Seoul 08826 , Republic of Korea
| | - Byunghoon Kim
- Center for Nanoparticle Research , Institute for Basic Science (IBS) , Seoul 08826 , Republic of Korea.,Department of Materials Science and Engineering, and Research Institute of Advanced Materials , Seoul National University , Seoul 08826 , Republic of Korea
| | - Byung Hyo Kim
- Center for Nanoparticle Research , Institute for Basic Science (IBS) , Seoul 08826 , Republic of Korea.,School of Chemical and Biological Engineering, and Institute of Chemical Process , Seoul National University , Seoul 08826 , Republic of Korea
| | - Joodeok Kim
- Center for Nanoparticle Research , Institute for Basic Science (IBS) , Seoul 08826 , Republic of Korea.,School of Chemical and Biological Engineering, and Institute of Chemical Process , Seoul National University , Seoul 08826 , Republic of Korea
| | - Donghoon Lee
- Center for Nanoparticle Research , Institute for Basic Science (IBS) , Seoul 08826 , Republic of Korea.,School of Chemical and Biological Engineering, and Institute of Chemical Process , Seoul National University , Seoul 08826 , Republic of Korea
| | - Sungin Kim
- Center for Nanoparticle Research , Institute for Basic Science (IBS) , Seoul 08826 , Republic of Korea.,School of Chemical and Biological Engineering, and Institute of Chemical Process , Seoul National University , Seoul 08826 , Republic of Korea
| | - Kisuk Kang
- Center for Nanoparticle Research , Institute for Basic Science (IBS) , Seoul 08826 , Republic of Korea.,Department of Materials Science and Engineering, and Research Institute of Advanced Materials , Seoul National University , Seoul 08826 , Republic of Korea.,Institute of Engineering Research, College of Engineering , Seoul National University , Seoul 08826 , Republic of Korea
| | - Taeghwan Hyeon
- Center for Nanoparticle Research , Institute for Basic Science (IBS) , Seoul 08826 , Republic of Korea.,School of Chemical and Biological Engineering, and Institute of Chemical Process , Seoul National University , Seoul 08826 , Republic of Korea
| | - Jungwon Park
- Center for Nanoparticle Research , Institute for Basic Science (IBS) , Seoul 08826 , Republic of Korea.,School of Chemical and Biological Engineering, and Institute of Chemical Process , Seoul National University , Seoul 08826 , Republic of Korea
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26
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Huang Y, Huang J, Jiang M, Zeng S. NIR-Triggered Theranostic Bi2S3 Light Transducer for On-Demand NO Release and Synergistic Gas/Photothermal Combination Therapy of Tumors. ACS APPLIED BIO MATERIALS 2019; 2:4769-4776. [DOI: 10.1021/acsabm.9b00522] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Yao Huang
- Synergetic Innovation Center for Quantum Effects and Application, Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education, School of Physics and Electronics, Hunan Normal University, Changsha 410081, P.R. China
| | - Junqing Huang
- Synergetic Innovation Center for Quantum Effects and Application, Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education, School of Physics and Electronics, Hunan Normal University, Changsha 410081, P.R. China
| | - Mingyang Jiang
- Synergetic Innovation Center for Quantum Effects and Application, Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education, School of Physics and Electronics, Hunan Normal University, Changsha 410081, P.R. China
| | - Songjun Zeng
- Synergetic Innovation Center for Quantum Effects and Application, Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education, School of Physics and Electronics, Hunan Normal University, Changsha 410081, P.R. China
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27
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Kashin AS, Ananikov VP. Monitoring chemical reactions in liquid media using electron microscopy. Nat Rev Chem 2019. [DOI: 10.1038/s41570-019-0133-z] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Huang W, Wang Y, Wei S, Wang B, Liang Y, Huang Y, Xu B. Effect of Reaction Time on Microwave Absorption Properties of Fe 3O 4 Hollow Spheres Synthesized via Ostwald Ripening. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E2921. [PMID: 31509967 PMCID: PMC6766334 DOI: 10.3390/ma12182921] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 09/04/2019] [Accepted: 09/06/2019] [Indexed: 11/17/2022]
Abstract
Hollow magnetic structures have great potential to be used in the microwave absorbing field. Herein, Fe3O4 hollow spheres with different levels of hollowness were synthesized by the hydrothermal method under Ostwald ripening effect. In addition to their microstructures, the microwave absorption properties of such spheres were investigated. The results show that the grain size and hollowness of Fe3O4 hollow spheres both increase as the reaction time increases. With increasing hollowness, the attenuation ability of electromagnetic wave of Fe3O4 spheres increases first and then decreases, finally increases sharply after the spheres break down. Samples with strong attenuation ability can achieve good impedance matching, which it does preferentially as the absorber thickness increases. Fe3O4 hollow spheres show the best microwave absorption performance when the reaction time is 24 h. The minimum reflection loss (RL (min)) can reach -40 dB, while the thickness is only 3.2 mm.
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Affiliation(s)
- Wei Huang
- National Key Laboratory for Remanufacturing, Army Academy of Armored Forces, Beijing 100072, China.
| | - Yujiang Wang
- National Key Laboratory for Remanufacturing, Army Academy of Armored Forces, Beijing 100072, China.
| | - Shicheng Wei
- National Key Laboratory for Remanufacturing, Army Academy of Armored Forces, Beijing 100072, China.
| | - Bo Wang
- National Key Laboratory for Remanufacturing, Army Academy of Armored Forces, Beijing 100072, China.
| | - Yi Liang
- National Key Laboratory for Remanufacturing, Army Academy of Armored Forces, Beijing 100072, China.
| | - Yuwei Huang
- National Key Laboratory for Remanufacturing, Army Academy of Armored Forces, Beijing 100072, China.
| | - Binshi Xu
- National Key Laboratory for Remanufacturing, Army Academy of Armored Forces, Beijing 100072, China.
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29
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Gomez C, Hallot G, Pastor A, Laurent S, Brun E, Sicard-Roselli C, Port M. Metallic bismuth nanoparticles: Towards a robust, productive and ultrasound assisted synthesis from batch to flow-continuous chemistry. ULTRASONICS SONOCHEMISTRY 2019; 56:167-173. [PMID: 31101252 DOI: 10.1016/j.ultsonch.2019.04.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Revised: 03/19/2019] [Accepted: 04/02/2019] [Indexed: 05/28/2023]
Abstract
Bismuth is a highly biocompatible and inexpensive metal with a high atomic number, which confers an important X-rays opacity. While bismuth oxide or bismuth sulphide have been extensively studied in imaging, little is known about metallic bismuth nanoparticles. The latter are more attractive for X-rays imaging because they contain neither oxygen nor sulfur, so that a high amount of metal atoms is contained within the nanoparticles. We report here a robust, efficient and green ultrasound assisted synthesis to obtain metallic bismuth NPs. The procedure, which has been optimized to get a reproducible synthesis, will also tend to minimize chemical hazards to health and environment. By applying the green chemistry principles, several experimental parameters have been studied such as reaction time, reactants stoichiometry, temperature, starting material quantities and purification steps number. Two energy delivery system (classical heating and sonication) were compared. The production of small metallic bismuth NPs on a large scale by flow chemistry coupled to sonication was showed for the first time. These optimizations of the process were completed by a comparison of two purification methods (centrifugation and ultrafiltration) to isolate purified thin black powders of d-glucose-coated bismuth NPs. Several analytical techniques were used to characterize products (structures, sizes and morphology) such as Fourier Transform InfraRed (FT-IR) spectroscopy, Dynamic Light Scattering (DLS), Transmission Electron Microscopy (TEM), Energy-dispersive X-ray spectrometry (EDX) and X-Ray Diffraction (XRD). All these analyses corroborated well with the structure of metallic bismuth NPs coated with a d-glucose shell.
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Affiliation(s)
- Catherine Gomez
- Laboratoire de Génomique, Bioinformatique et Chimie Moléculaire (EA 7528), Equipe Chimie Moléculaire, Conservatoire National des Arts et Métiers (Cnam), HESAM Université, 2 rue Conté, 75003 Paris, France.
| | - Gauthier Hallot
- Laboratoire de Génomique, Bioinformatique et Chimie Moléculaire (EA 7528), Equipe Chimie Moléculaire, Conservatoire National des Arts et Métiers (Cnam), HESAM Université, 2 rue Conté, 75003 Paris, France
| | - Alexandra Pastor
- Laboratoire de Génomique, Bioinformatique et Chimie Moléculaire (EA 7528), Equipe Chimie Moléculaire, Conservatoire National des Arts et Métiers (Cnam), HESAM Université, 2 rue Conté, 75003 Paris, France
| | - Sophie Laurent
- Laboratoire de RMN et d'Imagerie Moléculaire, Université de Mons, 19 avenue Maistriau, B-7000 Mons, Belgium
| | - Emilie Brun
- Laboratoire de Chimie Physique, CNRS UMR 8000, Université Paris-Saclay, 91405 Orsay Cedex, France
| | - Cécile Sicard-Roselli
- Laboratoire de Chimie Physique, CNRS UMR 8000, Université Paris-Saclay, 91405 Orsay Cedex, France
| | - Marc Port
- Laboratoire de Génomique, Bioinformatique et Chimie Moléculaire (EA 7528), Equipe Chimie Moléculaire, Conservatoire National des Arts et Métiers (Cnam), HESAM Université, 2 rue Conté, 75003 Paris, France
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30
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Xiao M, Wang Z, Lyu M, Luo B, Wang S, Liu G, Cheng HM, Wang L. Hollow Nanostructures for Photocatalysis: Advantages and Challenges. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1801369. [PMID: 30125390 DOI: 10.1002/adma.201801369] [Citation(s) in RCA: 220] [Impact Index Per Article: 44.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 04/05/2018] [Indexed: 05/25/2023]
Abstract
Photocatalysis for solar-driven reactions promises a bright future in addressing energy and environmental challenges. The performance of photocatalysis is highly dependent on the design of photocatalysts, which can be rationally tailored to achieve efficient light harvesting, promoted charge separation and transport, and accelerated surface reactions. Due to its unique feature, semiconductors with hollow structure offer many advantages in photocatalyst design including improved light scattering and harvesting, reduced distance for charge migration and directed charge separation, and abundant surface reactive sites of the shells. Herein, the relationship between hollow nanostructures and their photocatalytic performance are discussed. The advantages of hollow nanostructures are summarized as: 1) enhancement in the light harvesting through light scattering and slow photon effects; 2) suppression of charge recombination by reducing charge transfer distance and directing separation of charge carriers; and 3) acceleration of the surface reactions by increasing accessible surface areas for separating the redox reactions spatially. Toward the end of the review, some insights into the key challenges and perspectives of hollow structured photocatalysts are also discussed, with a good hope to shed light on further promoting the rapid progress of this dynamic research field.
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Affiliation(s)
- Mu Xiao
- Nanomaterials Centre, School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD, 4072, Australia
| | - Zhiliang Wang
- Nanomaterials Centre, School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD, 4072, Australia
| | - Miaoqiang Lyu
- Nanomaterials Centre, School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD, 4072, Australia
| | - Bin Luo
- Nanomaterials Centre, School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD, 4072, Australia
| | - Songcan Wang
- Nanomaterials Centre, School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD, 4072, Australia
| | - Gang Liu
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang, 110016, China
- School of Materials Science and Engineering, University of Science and Technology of China, 72 Wenhua Road, Shenyang, 110016, China
| | - Hui-Ming Cheng
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang, 110016, China
| | - Lianzhou Wang
- Nanomaterials Centre, School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD, 4072, Australia
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31
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Valdez J, Besteiro LV, Mahfoud Z, Guner T, Yurtsever A. Optical resonances of hollow nanocubes controlled with sub-particle structural morphologies. NANOSCALE 2019; 11:13790-13799. [PMID: 31292584 DOI: 10.1039/c9nr02645b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The structural details of nanoparticles at the sub-particle level are critical for our understanding of their functionalities and the basic mechanisms involved in their formation. In particular, the geometries of such features determine the particle's overall optical response. Hollow metallic nanoparticles (hollow-MNPs) that have cubic geometries, with varying morphologies on their walls and voids in their body, offer a platform to study the effects of such structural features on the properties of single nanoparticles and their ensemble. Here, we report the control over sub-particle pinholes and voids by modifying the dynamics of the galvanic reaction, and we connect these structures to the optical response of the hollow nanocubes. We observe that symmetry breakage in individual particles, caused by pinholes and voids, has a drastic effect on the plasmon-resonance peak positions in their UV-Vis-NIR spectra. Via electron microscopy imaging, statistical analyses, and electromagnetic simulations, we observe that enlargement in a pinhole's diameter and an increase in their number produce a redshift in the resonance absorption peak of the ensemble. Our results outline nanoparticle design avenues via sub-particle morphologies for several applications, including those operating in the biological window and those carrying chemical payloads in organisms.
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Affiliation(s)
- Jesus Valdez
- Centre Energie, Matériaux et Télécommunications, Institut National de la Recherche Scientifique (INRS), Montreal, QC J3X 1S2, Canada.
| | - Lucas V Besteiro
- Centre Energie, Matériaux et Télécommunications, Institut National de la Recherche Scientifique (INRS), Montreal, QC J3X 1S2, Canada. and Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Zackaria Mahfoud
- Centre Energie, Matériaux et Télécommunications, Institut National de la Recherche Scientifique (INRS), Montreal, QC J3X 1S2, Canada.
| | - Tugrul Guner
- Centre Energie, Matériaux et Télécommunications, Institut National de la Recherche Scientifique (INRS), Montreal, QC J3X 1S2, Canada.
| | - Aycan Yurtsever
- Centre Energie, Matériaux et Télécommunications, Institut National de la Recherche Scientifique (INRS), Montreal, QC J3X 1S2, Canada.
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32
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Lin YH, Chen JY, Chen FC, Kuo MY, Hsu YJ, Wu WW. In Situ Analysis of Growth Behaviors of Cu2O Nanocubes in Liquid Cell Transmission Electron Microscopy. Anal Chem 2019; 91:9665-9672. [DOI: 10.1021/acs.analchem.9b01192] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ya-Hsuan Lin
- Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
| | - Jui-Yuan Chen
- Department of Materials Science and Engineering, National United University, Miaoli 36063, Taiwan
| | - Fu-Chun Chen
- Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
| | - Ming-Yu Kuo
- Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
| | - Yung-Jung Hsu
- Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
| | - Wen-Wei Wu
- Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
- Center for the Semiconductor Technology Research, National Chiao Tung University, Hsinchu 30010, Taiwan
- Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu 30013, Taiwan
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33
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Satyavolu NSR, Loh KY, Tan LH, Lu Y. Discovery of and Insights into DNA "Codes" for Tunable Morphologies of Metal Nanoparticles. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1900975. [PMID: 31074939 PMCID: PMC6663601 DOI: 10.1002/smll.201900975] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 04/14/2019] [Indexed: 05/28/2023]
Abstract
The discovery and elucidation of genetic codes has profoundly changed not only biology but also many fields of science and engineering. The fundamental building blocks of life comprises of four simple deoxyribonucleotides and yet their combinations serve as the carrier of genetic information that encodes for proteins that can carry out many biological functions due to their unique functionalities. Inspired by nature, the functionalities of DNA molecules have been used as a capping ligand for controlling morphology of nanomaterials, and such a control is sequence dependent, which translates into distinct physical and chemical properties of resulting nanoparticles. Herein, an overview on the use of DNA as engineered codes for controlling the morphology of metal nanoparticles, such as gold, silver, and Pd-Au bimetallic nanoparticles is provided. Fundamental insights into rules governing DNA controlled growth mechanisms are also summarized, based on understanding of the affinity of the DNA nucleobases to various metals, the effect of combination of nucleobases, functional modification of DNA, the secondary structures of DNA, and the properties of the seed employed. The resulting physical and chemical properties of these DNA encoded nanomaterials are also reviewed, while perspectives into the future directions of DNA-mediated nanoparticle synthesis are provided.
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Affiliation(s)
- Nitya Sai Reddy Satyavolu
- Department of Chemistry, Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Kang Yong Loh
- Department of Chemistry, Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Li Huey Tan
- Department of Chemistry, Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Yi Lu
- Department of Chemistry, Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
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34
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Yi L, Qi D, Shao P, Lei C, Hou Y, Cai P, Wang G, Chen X, Wen Z. Hollow black TiAlO x nanocomposites for solar thermal desalination. NANOSCALE 2019; 11:9958-9968. [PMID: 31070605 DOI: 10.1039/c8nr10117e] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Although a solar-thermal conversion technique shows great potential for seawater desalination, there remains a grand challenge in exploring low-cost and high-efficiency photothermal materials. We report here a molten salt assisted galvanic replacement method for preparing a hollow black TiAlOx composite, which features a high solar absorptivity with up to 90.2% and has a high efficiency of 71.1% in a high salinity solution containing 15.3 wt% NaCl (∼5 times more concentrated than seawater). We exemplify the practical application of such hollow black TiAlOx composites as photothermal composites by setting up the automatic and manual tracking of solar desalination devices with a photic area of ∼1.0 m2, which can produce purified water with a rate of above 4.0 L m-2 day-1 in high-salinity water under natural light irradiation, and maintains good stability upon 5 days of continuous running. The advantages of the as-developed hollow black TiAlOx composites, including scalability, low cost, and high photothermal conversion efficiency, may open up a promising avenue practical application in seawater desalination.
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Affiliation(s)
- Luocai Yi
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, PR China. and University of Chinese Academy of Science, Beijing 100049, China
| | - Dianpeng Qi
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue 639798, Singapore.
| | - Ping Shao
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, PR China.
| | - Chaojun Lei
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue 639798, Singapore.
| | - Yang Hou
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, PR China.
| | - Pingwei Cai
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, PR China. and University of Chinese Academy of Science, Beijing 100049, China
| | - Genxiang Wang
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, PR China. and University of Chinese Academy of Science, Beijing 100049, China
| | - Xiaodong Chen
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue 639798, Singapore.
| | - Zhenhai Wen
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, PR China.
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35
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Kliewer C, Soled S, Kiss G. Morphological transformations during Fischer-Tropsch synthesis on a titania-supported cobalt catalyst. Catal Today 2019. [DOI: 10.1016/j.cattod.2018.05.021] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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36
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Preparation of carbon encapsulated core-shell Fe@CoFe2O4 particles through the Kirkendall effect and application as advanced anode materials for lithium-ion batteries. J Electroanal Chem (Lausanne) 2019. [DOI: 10.1016/j.jelechem.2019.01.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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37
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Yu L, Han R, Sang X, Liu J, Thomas MP, Hudak BM, Patel A, Page K, Guiton BS. Shell-Induced Ostwald Ripening: Simultaneous Structure, Composition, and Morphology Transformations during the Creation of Hollow Iron Oxide Nanocapsules. ACS NANO 2018; 12:9051-9059. [PMID: 30160468 DOI: 10.1021/acsnano.8b02946] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The creation of nanomaterials requires simultaneous control of not only crystalline structure and composition but also crystal shape and size, or morphology, which can pose a significant synthetic challenge. Approaches to address this challenge include creating nanocrystals whose morphologies echo their underlying crystal structures, such as the growth of platelets of two-dimensional layered crystal structures, or conversely attempting to decouple the morphology from structure by converting a structure or composition after first creating crystals with a desired morphology. A particularly elegant example of this latter approach involves the topotactic conversion of a nanoparticle from one structure and composition to another, since the orientation relationship between the initial and final product allows the crystallinity and orientation to be maintained throughout the process. Here we report a mechanism for creating hollow nanostructures, illustrated via the decomposition of β-FeOOH nanorods to nanocapsules of α-Fe2O3, γ-Fe2O3, Fe3O4, and FeO, depending on the reaction conditions, while retaining single-crystallinity and the outer nanorod morphology. Using in situ TEM, we demonstrate that the nanostructured morphology of the starting material allows kinetic trapping of metastable phases with a topotactic relationship to the final thermodynamically stable phase.
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Affiliation(s)
- Lei Yu
- Department of Chemistry , University of Kentucky , Lexington , Kentucky 40506 , United States
| | - Ruixin Han
- Department of Chemistry , University of Kentucky , Lexington , Kentucky 40506 , United States
| | | | | | - Melonie P Thomas
- Department of Chemistry , University of Kentucky , Lexington , Kentucky 40506 , United States
| | | | - Amita Patel
- Department of Chemistry , University of Kentucky , Lexington , Kentucky 40506 , United States
| | | | - Beth S Guiton
- Department of Chemistry , University of Kentucky , Lexington , Kentucky 40506 , United States
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38
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Yang J, Alam SB, Yu L, Chan E, Zheng H. Dynamic behavior of nanoscale liquids in graphene liquid cells revealed by in situ transmission electron microscopy. Micron 2018; 116:22-29. [PMID: 30265880 DOI: 10.1016/j.micron.2018.09.009] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 09/10/2018] [Accepted: 09/14/2018] [Indexed: 12/24/2022]
Abstract
Recent advances in graphene liquid cells for in situ transmission electron microscopy (TEM) have opened many opportunities for the study of materials transformations and chemical reactions in liquids with high spatial resolution. However, the behavior of thin liquids encapsulated in a graphene liquid cell has not been fully understood. Here, we report real time TEM imaging of the nanoscale dynamic behavior of liquids in graphene nanocapillaries. Our observations reveal that the interfaces between liquid and gas bubble can fluctuate, leading to the generation of liquid nanodroplets near the interfaces. Liquid nanodroplets often show irregular shape with dynamic changes of their configuration under the electron beam. We consider that the dynamic motion of liquid-gas interfaces might be introduced by the electrostatic energy from transiently charged interfaces. We find that improving the wettability of graphene liquid cells by ultraviolet-ozone treatment can significantly modify the dynamic motion of the encapsulated liquids. Our study provides valuable information of the interactions between liquid and graphene under the electron beam, and it also offers key insights on the nanoscale fluid dynamics in confined spaces.
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Affiliation(s)
- Jiwoong Yang
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, United States
| | - Sardar B Alam
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, United States
| | - Lei Yu
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, United States; Department of Materials Science and Engineering, University of California, Berkeley, CA 94720, United States
| | - Emory Chan
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, United States
| | - Haimei Zheng
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, United States; Department of Materials Science and Engineering, University of California, Berkeley, CA 94720, United States.
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39
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Mourdikoudis S, Pallares RM, Thanh NTK. Characterization techniques for nanoparticles: comparison and complementarity upon studying nanoparticle properties. NANOSCALE 2018; 10:12871-12934. [PMID: 29926865 DOI: 10.1039/c8nr02278j] [Citation(s) in RCA: 562] [Impact Index Per Article: 93.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Nanostructures have attracted huge interest as a rapidly growing class of materials for many applications. Several techniques have been used to characterize the size, crystal structure, elemental composition and a variety of other physical properties of nanoparticles. In several cases, there are physical properties that can be evaluated by more than one technique. Different strengths and limitations of each technique complicate the choice of the most suitable method, while often a combinatorial characterization approach is needed. In addition, given that the significance of nanoparticles in basic research and applications is constantly increasing, it is necessary that researchers from separate fields overcome the challenges in the reproducible and reliable characterization of nanomaterials, after their synthesis and further process (e.g. annealing) stages. The principal objective of this review is to summarize the present knowledge on the use, advances, advantages and weaknesses of a large number of experimental techniques that are available for the characterization of nanoparticles. Different characterization techniques are classified according to the concept/group of the technique used, the information they can provide, or the materials that they are destined for. We describe the main characteristics of the techniques and their operation principles and we give various examples of their use, presenting them in a comparative mode, when possible, in relation to the property studied in each case.
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Affiliation(s)
- Stefanos Mourdikoudis
- Biophysics Group, Department of Physics and Astronomy, University College London, London, WC1E 6BT, UK.
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40
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Feng Y, Shao Q, Huang B, Zhang J, Huang X. Surface engineering at the interface of core/shell nanoparticles promotes hydrogen peroxide generation. Natl Sci Rev 2018. [DOI: 10.1093/nsr/nwy065] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Yonggang Feng
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Qi Shao
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Bolong Huang
- Department of Applied Biology and Chemical Technology, Hong Kong Polytechnic University, Hong Kong, China
| | - Junbo Zhang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Xiaoqing Huang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
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41
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Tang L, He L, Zhang L, Yu K, Xu T, Zhang Q, Dong H, Zhu C, Sun L. A Novel Domain-Confined Growth Strategy for In Situ Controllable Fabrication of Individual Hollow Nanostructures. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2018; 5:1700213. [PMID: 29876198 PMCID: PMC5979780 DOI: 10.1002/advs.201700213] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Revised: 01/13/2018] [Indexed: 06/01/2023]
Abstract
The manipulation and tailoring of the structure and properties of semiconductor nanocrystals (NCs) is significant particularly for the design and fabrication of future nanodevices. Here, a novel domain-confined growth strategy is reported for controllable fabrication of individual monocrystal hollow NCs (h-NCs) in situ inside a transmission electron microscope, which enables the atomic scale monitoring of the entire reaction. During the process, the preformed carbon shells serve as nanoreaction cells for the formation of CdSeS h-NCs. Electron beam (e-beam) irradiation is demonstrated to be the key activation factor for the solid-to-hollow shape transformation. The formation of CdSeS hollow NCs is also found to be sensitive to the volume ratio of the CdSe/CdS NCs to the carbon shell and only those CdSe/CdS NCs with a volume ratio in the range 0.2-0.8 are successfully converted into hollow NCs. The method paves the way to potentially use an e-beam for the in situ tailoring of individual semiconductor NCs targeted toward future nanodevice applications.
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Affiliation(s)
- Luping Tang
- SEU‐FEI Nano‐Pico CenterKey Lab of MEMS of Ministry of EducationSoutheast UniversityNanjing210096China
| | - Longbing He
- SEU‐FEI Nano‐Pico CenterKey Lab of MEMS of Ministry of EducationSoutheast UniversityNanjing210096China
- Southeast University‐Monash University Joint Research InstituteSuzhou215123P. R. China
| | - Lei Zhang
- SEU‐FEI Nano‐Pico CenterKey Lab of MEMS of Ministry of EducationSoutheast UniversityNanjing210096China
- Southeast University‐Monash University Joint Research InstituteSuzhou215123P. R. China
| | - Kaihao Yu
- SEU‐FEI Nano‐Pico CenterKey Lab of MEMS of Ministry of EducationSoutheast UniversityNanjing210096China
| | - Tao Xu
- SEU‐FEI Nano‐Pico CenterKey Lab of MEMS of Ministry of EducationSoutheast UniversityNanjing210096China
| | - Qiubo Zhang
- SEU‐FEI Nano‐Pico CenterKey Lab of MEMS of Ministry of EducationSoutheast UniversityNanjing210096China
| | - Hui Dong
- SEU‐FEI Nano‐Pico CenterKey Lab of MEMS of Ministry of EducationSoutheast UniversityNanjing210096China
| | - Chao Zhu
- SEU‐FEI Nano‐Pico CenterKey Lab of MEMS of Ministry of EducationSoutheast UniversityNanjing210096China
| | - Litao Sun
- SEU‐FEI Nano‐Pico CenterKey Lab of MEMS of Ministry of EducationSoutheast UniversityNanjing210096China
- Southeast University‐Monash University Joint Research InstituteSuzhou215123P. R. China
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42
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Zhou JH, Lan DW, Yang SS, Guo Y, Yuan K, Dai LX, Zhang YW. Thin-walled hollow Au–Cu nanostructures with high efficiency in electrochemical reduction of CO2 to CO. Inorg Chem Front 2018. [DOI: 10.1039/c8qi00297e] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Thin-walled hollow Au–Cu nanostructures were synthesized via galvanic replacement and the Kirkendall effect between copper and gold, and they showed high efficiency for electro-reduction of CO2 to CO.
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Affiliation(s)
- Jun-Hao Zhou
- Beijing National Laboratory for Molecular Sciences
- State Key Laboratory of Rare Earth Materials Chemistry and Applications
- PKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry
- College of Chemistry and Molecular Engineering
- Peking University
| | - Da-Wei Lan
- Beijing National Laboratory for Molecular Sciences
- State Key Laboratory of Rare Earth Materials Chemistry and Applications
- PKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry
- College of Chemistry and Molecular Engineering
- Peking University
| | - Sheng-Song Yang
- Beijing National Laboratory for Molecular Sciences
- State Key Laboratory of Rare Earth Materials Chemistry and Applications
- PKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry
- College of Chemistry and Molecular Engineering
- Peking University
| | - Yu Guo
- Beijing National Laboratory for Molecular Sciences
- State Key Laboratory of Rare Earth Materials Chemistry and Applications
- PKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry
- College of Chemistry and Molecular Engineering
- Peking University
| | - Kun Yuan
- Beijing National Laboratory for Molecular Sciences
- State Key Laboratory of Rare Earth Materials Chemistry and Applications
- PKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry
- College of Chemistry and Molecular Engineering
- Peking University
| | - Lin-Xiu Dai
- Beijing National Laboratory for Molecular Sciences
- State Key Laboratory of Rare Earth Materials Chemistry and Applications
- PKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry
- College of Chemistry and Molecular Engineering
- Peking University
| | - Ya-Wen Zhang
- Beijing National Laboratory for Molecular Sciences
- State Key Laboratory of Rare Earth Materials Chemistry and Applications
- PKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry
- College of Chemistry and Molecular Engineering
- Peking University
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Kim BH, Yang J, Lee D, Choi BK, Hyeon T, Park J. Liquid-Phase Transmission Electron Microscopy for Studying Colloidal Inorganic Nanoparticles. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:1703316. [PMID: 29178589 DOI: 10.1002/adma.201703316] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Revised: 09/01/2017] [Indexed: 05/26/2023]
Abstract
For the past few decades, nanoparticles of various sizes, shapes, and compositions have been synthesized and utilized in many different applications. However, due to a lack of analytical tools that can characterize structural changes at the nanoscale level, many of their growth and transformation processes are not yet well understood. The recently developed technique of liquid-phase transmission electron microscopy (TEM) has gained much attention as a new tool to directly observe chemical reactions that occur in solution. Due to its high spatial and temporal resolution, this technique is widely employed to reveal fundamental mechanisms of nanoparticle growth and transformation. Here, the technical developments for liquid-phase TEM together with their application to the study of solution-phase nanoparticle chemistry are summarized. Two types of liquid cells that can be used in the high-vacuum conditions required by TEM are discussed, followed by recent in situ TEM studies of chemical reactions of colloidal nanoparticles. New findings on the growth mechanism, transformation, and motion of nanoparticles are subsequently discussed in detail.
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Affiliation(s)
- Byung Hyo Kim
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jiwoong Yang
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, Republic of Korea
| | - Donghoon Lee
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, Republic of Korea
| | - Back Kyu Choi
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, Republic of Korea
| | - Taeghwan Hyeon
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jungwon Park
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, Republic of Korea
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44
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Du JS, Park J, Kim QH, Jhe W, Dravid VP, Yang D, Weitz DA. Multistage Transformation and Lattice Fluctuation at AgCl-Ag Interface. J Phys Chem Lett 2017; 8:5853-5860. [PMID: 29148784 DOI: 10.1021/acs.jpclett.7b02875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Solid-state transformation between different materials is often accompanied by mechanical expansion and compression due to their volume change and structural evolution at interfaces. However, these two types of dynamics are usually difficult to monitor in the same time. In this work, we use in situ transmission electron microscopy to directly study the reduction transformation at the AgCl-Ag interface. Three stages of lattice fluctuations were identified and correlated to the structural evolution. During the steady state, a quasi-layered growth mode of Ag in both vertical and lateral directions were observed due to the confinement of AgCl lattices. The development of planar defects and depletion of AgCl are respectively associated with lattice compression and relaxation. Topography and structure of decomposing AgCl was further monitored by in situ scanning transmission electron microscopy. Silver species are suggested to originate from both the surface and the interior of AgCl, and be transported to the interface. Such mass transport may have enabled the steady state and lattice compression in this volume-shrinking transformation.
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Affiliation(s)
- Jingshan S Du
- School of Engineering and Applied Sciences, Harvard University , Cambridge, Massachusetts 02138, United States
- State Key Laboratory of Silicon Materials and School of Materials Science and Engineering, Zhejiang University , Hangzhou 310027, People's Republic of China
- Chu Kochen Honors College, Zhejiang University , Hangzhou 310058, People's Republic of China
- Department of Materials Science and Engineering, Northwestern University , Evanston, Illinois 60208, United States
| | - Jungwon Park
- School of Engineering and Applied Sciences, Harvard University , Cambridge, Massachusetts 02138, United States
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University , Gwanak-gu, Seoul 151-747, Republic of Korea
- Center for Nanoparticle Research, Institute for Basic Science (IBS) , Seoul 08826, Republic of Korea
| | - QHwan Kim
- Department of Physics and Astronomy, Seoul National University , Gwanak-gu, Seoul 151-747, Republic of Korea
| | - Wonho Jhe
- Department of Physics and Astronomy, Seoul National University , Gwanak-gu, Seoul 151-747, Republic of Korea
| | - Vinayak P Dravid
- Department of Materials Science and Engineering, Northwestern University , Evanston, Illinois 60208, United States
| | - Deren Yang
- State Key Laboratory of Silicon Materials and School of Materials Science and Engineering, Zhejiang University , Hangzhou 310027, People's Republic of China
| | - David A Weitz
- School of Engineering and Applied Sciences, Harvard University , Cambridge, Massachusetts 02138, United States
- Department of Physics, Harvard University , Cambridge, Massachusetts 02138, United States
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Abstract
Liquid cell transmission electron microscopy (TEM) has attracted significant interest in recent years. With nanofabricated liquid cells, it has been possible to image through liquids using TEM with subnanometer resolution, and many previously unseen materials dynamics have been revealed. Liquid cell TEM has been applied to many areas of research, ranging from chemistry to physics, materials science, and biology. So far, topics of study include nanoparticle growth and assembly, electrochemical deposition and lithiation for batteries, tracking and manipulation of nanoparticles, catalysis, and imaging of biological materials. In this article, we first review the development of liquid cell TEM and then highlight progress in various areas of research. In the study of nanoparticle growth, the electron beam can serve both as the illumination source for imaging and as the input energy for reactions. However, many other research topics require the control of electron beam effects to minimize electron beam damage. We discuss efforts to understand electron beam-liquid matter interactions. Finally, we provide a perspective on future challenges and opportunities in liquid cell TEM.
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Affiliation(s)
- Hong-Gang Liao
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720;
| | - Haimei Zheng
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720; .,Department of Materials Science and Engineering, University of California, Berkeley, California 94720
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46
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Inflating hollow nanocrystals through a repeated Kirkendall cavitation process. Nat Commun 2017; 8:1261. [PMID: 29093444 PMCID: PMC5665896 DOI: 10.1038/s41467-017-01258-0] [Citation(s) in RCA: 105] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Accepted: 08/31/2017] [Indexed: 11/24/2022] Open
Abstract
The Kirkendall effect has been recently used to produce hollow nanostructures by taking advantage of the different diffusion rates of species involved in the chemical transformations of nanoscale objects. Here we demonstrate a nanoscale Kirkendall cavitation process that can transform solid palladium nanocrystals into hollow palladium nanocrystals through insertion and extraction of phosphorus. The key to success in producing monometallic hollow nanocrystals is the effective extraction of phosphorus through an oxidation reaction, which promotes the outward diffusion of phosphorus from the compound nanocrystals of palladium phosphide and consequently the inward diffusion of vacancies and their coalescence into larger voids. We further demonstrate that this Kirkendall cavitation process can be repeated a number of times to gradually inflate the hollow metal nanocrystals, producing nanoshells of increased diameters and decreased thicknesses. The resulting thin palladium nanoshells exhibit enhanced catalytic activity and high durability toward formic acid oxidation. Owing to their unique properties, hollow metal nanocrystals demonstrate greater catalytic promise than their solid counterparts. Here the authors produce hollow and inflated palladium nanocrystals with thin shells via a repeated Kirkendall cavitation process, and demonstrate their activity for formic acid oxidation.
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47
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Jang JS, Koo WT, Choi SJ, Kim ID. Metal Organic Framework-Templated Chemiresistor: Sensing Type Transition from P-to-N Using Hollow Metal Oxide Polyhedron via Galvanic Replacement. J Am Chem Soc 2017; 139:11868-11876. [DOI: 10.1021/jacs.7b05246] [Citation(s) in RCA: 104] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Ji-Soo Jang
- Department of Materials Science and Engineering and §Applied Science Research Institute, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea
| | - Won-Tae Koo
- Department of Materials Science and Engineering and §Applied Science Research Institute, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea
| | - Seon-Jin Choi
- Department of Materials Science and Engineering and §Applied Science Research Institute, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea
| | - Il-Doo Kim
- Department of Materials Science and Engineering and §Applied Science Research Institute, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea
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48
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Jang JS, Choi SJ, Koo WT, Kim SJ, Cheong JY, Kim ID. Elaborate Manipulation for Sub-10 nm Hollow Catalyst Sensitized Heterogeneous Oxide Nanofibers for Room Temperature Chemical Sensors. ACS APPLIED MATERIALS & INTERFACES 2017; 9:24821-24829. [PMID: 28658576 DOI: 10.1021/acsami.7b02396] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Room-temperature (RT) operation sensors are constantly in increasing demand because of their low power consumption, simple operation, and long lifetime. However, critical challenges such as low sensing performance, vulnerability under highly humid state, and poor recyclability hinder their commercialization. In this work, sub-10 nm hollow, bimetallic Pt-Ag nanoparticles (NPs) were successfully formed by galvanic replacement reaction in bioinspired hollow protein templates and sensitized on the multidimensional SnO2-WO3 heterojunction nanofibers (HNFs). Formation of hollow, bimetallic NPs resulted in the double-side catalytic effect, rendering both surface and inner side chemical reactions. Subsequently, SnO2-WO3 HNFs were synthesized by incorporating 2D WO3 nanosheets (NSs) with 0D SnO2 sphere by c-axis growth inhibition effect and fluid dynamics of liquid Sn during calcination. Hierarchically assembled HNFs effectively modulate surface depletion layer of 2D WO3 NSs by electron transfers from WO3 to SnO2 stemming from creation of heterojunction. Careful combination of bimetallic catalyst NPs with HNFs provided an extreme recyclability under exhaled breath (95 RH%) with outstanding H2S sensitivity. Such sensing platform clearly distinguished between the breath of healthy people and simulated halitosis patients.
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Affiliation(s)
- Ji-Soo Jang
- Department of Materials Science and Engineering and ‡Applied Science Research Institute, Korea Advanced Institute of Science and Technology (KAIST) , 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea
| | - Seon-Jin Choi
- Department of Materials Science and Engineering and ‡Applied Science Research Institute, Korea Advanced Institute of Science and Technology (KAIST) , 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea
| | - Won-Tae Koo
- Department of Materials Science and Engineering and ‡Applied Science Research Institute, Korea Advanced Institute of Science and Technology (KAIST) , 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea
| | - Sang-Joon Kim
- Department of Materials Science and Engineering and ‡Applied Science Research Institute, Korea Advanced Institute of Science and Technology (KAIST) , 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea
| | - Jun Young Cheong
- Department of Materials Science and Engineering and ‡Applied Science Research Institute, Korea Advanced Institute of Science and Technology (KAIST) , 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea
| | - Il-Doo Kim
- Department of Materials Science and Engineering and ‡Applied Science Research Institute, Korea Advanced Institute of Science and Technology (KAIST) , 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea
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Karpukhin V, Malikov M, Borodina T, Valyano G, Gololobova O, Strikanov D. Structural, Morphological and Optical Properties of Nanoproducts of Zirconium Target Laser Ablation in Water and Aqueous SDS Solutions. CHEMISTRY & CHEMICAL TECHNOLOGY 2017. [DOI: 10.23939/chcht11.01.025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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50
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Gu Y, Wang H, Xuan Y, Wang L, Qian Y. General synthesis of metal oxide hollow core–shell microspheres as anode materials for lithium-ion batteries and as adsorbents for wastewater treatment. CrystEngComm 2017. [DOI: 10.1039/c6ce02563c] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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