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Matsuyama K, Matsuoka T, Eiro M, Kato T, Okuyama T. PdRu Bimetallic Nanoparticles/Metal-Organic Framework Composite through Supercritical CO 2-Assisted Immobilization. ACS OMEGA 2024; 9:20437-20443. [PMID: 38737038 PMCID: PMC11079872 DOI: 10.1021/acsomega.4c01401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Revised: 04/06/2024] [Accepted: 04/12/2024] [Indexed: 05/14/2024]
Abstract
Metal-nanoparticle (NP)/metal-organic framework (MOF) composites have attracted considerable attention as heterogeneous catalysts. Compared with porous carbon, silica, and alumina, the charge-transfer interaction between the metal NPs and the MOF accelerated the catalytic activity. In this study, PdRu bimetallic NPs were successfully immobilized on MOFs such as MIL-101(Cr) by using supercritical carbon dioxide. The STEM-EDX images show a uniform 3D distribution of the PdRu bimetallic NPs on MIL-101(Cr). The resulting PdRu@MIL-101(Cr) catalyst exhibited higher CO oxidation than monometal/MOF composites such as Pd@MIL-101(Cr) and Ru@MIL-101(Cr). Furthermore, PdRu@MIL-101(Cr) exhibited higher catalytic activity than PdRu@SiO2. This is because the particle size of the PdRu bimetallic NPs in MIL-101(Cr) was within the range of 2-3 nm. The synergistic effects were based on the combination of two metals, Pd and Ru, small bimetal particle formation, and charge-transfer interactions between the bimetal NPs and the MOF. These factors enhance the catalytic activity of the bimetal/MOF composites.
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Affiliation(s)
- Kiyoshi Matsuyama
- Department
of Life, Environment and Applied Chemistry, Fukuoka Institute of Technology, 3-30-1 Wajiro-higashi, Higashi-ku, Fukuoka 811-0295, Japan
| | - Takumi Matsuoka
- Department
of Life, Environment and Applied Chemistry, Fukuoka Institute of Technology, 3-30-1 Wajiro-higashi, Higashi-ku, Fukuoka 811-0295, Japan
| | - Masashi Eiro
- Department
of Life, Environment and Applied Chemistry, Fukuoka Institute of Technology, 3-30-1 Wajiro-higashi, Higashi-ku, Fukuoka 811-0295, Japan
| | - Takafumi Kato
- Department
of Chemical Engineering, Fukuoka University, 8-19-1 Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
| | - Tetsuya Okuyama
- Department
of Collaborative Interdisciplinary Engineering Sciences, Kyushu University, 6-1 Kasuga-koen, Kasuga-Shi, Kasuga 816-8580, Japan
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2
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Liu K, Yang H, Jiang Y, Liu Z, Zhang S, Zhang Z, Qiao Z, Lu Y, Cheng T, Terasaki O, Zhang Q, Gao C. Coherent hexagonal platinum skin on nickel nanocrystals for enhanced hydrogen evolution activity. Nat Commun 2023; 14:2424. [PMID: 37105957 PMCID: PMC10140298 DOI: 10.1038/s41467-023-38018-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 04/11/2023] [Indexed: 04/29/2023] Open
Abstract
Metastable noble metal nanocrystals may exhibit distinctive catalytic properties to address the sluggish kinetics of many important processes, including the hydrogen evolution reaction under alkaline conditions for water-electrolysis hydrogen production. However, the exploration of metastable noble metal nanocrystals is still in its infancy and suffers from a lack of sufficient synthesis and electronic engineering strategies to fully stimulate their potential in catalysis. In this paper, we report a synthesis of metastable hexagonal Pt nanostructures by coherent growth on 3d transition metal nanocrystals such as Ni without involving galvanic replacement reaction, which expands the frontier of the phase-replication synthesis. Unlike noble metal substrates, the 3d transition metal substrate owns more crystal phases and lower cost and endows the hexagonal Pt skin with substantial compressive strains and programmable charge density, making the electronic properties particularly preferred for the alkaline hydrogen evolution reaction. The energy barriers are greatly reduced, pushing the activity to 133 mA cmgeo-2 and 17.4 mA μgPt-1 at -70 mV with 1.5 µg of Pt in 1 M KOH. Our strategy paves the way for metastable noble metal catalysts with tailored electronic properties for highly efficient and cost-effective energy conversion.
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Affiliation(s)
- Kai Liu
- State Key Laboratory of Multiphase Flow in Power Engineering, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, China
| | - Hao Yang
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Joint International Research Laboratory of Carbon-Based Functional Materials and Devices, Soochow University, Suzhou, Jiangsu, 215123, China
| | - Yilan Jiang
- Center for High-resolution Electron Microscopy (CħEM), School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China
- Shanghai Key Laboratory of High-resolution Electron Microscopy, ShanghaiTech University, Shanghai, 201210, China
| | - Zhaojun Liu
- State Key Laboratory of Multiphase Flow in Power Engineering, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, China
| | - Shumeng Zhang
- State Key Laboratory of Multiphase Flow in Power Engineering, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, China
| | - Zhixue Zhang
- State Key Laboratory of Multiphase Flow in Power Engineering, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, China
| | - Zhun Qiao
- State Key Laboratory of Multiphase Flow in Power Engineering, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, China
| | - Yiming Lu
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Joint International Research Laboratory of Carbon-Based Functional Materials and Devices, Soochow University, Suzhou, Jiangsu, 215123, China
| | - Tao Cheng
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Joint International Research Laboratory of Carbon-Based Functional Materials and Devices, Soochow University, Suzhou, Jiangsu, 215123, China.
| | - Osamu Terasaki
- Center for High-resolution Electron Microscopy (CħEM), School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China
- Shanghai Key Laboratory of High-resolution Electron Microscopy, ShanghaiTech University, Shanghai, 201210, China
| | - Qing Zhang
- Center for High-resolution Electron Microscopy (CħEM), School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China.
- Shanghai Key Laboratory of High-resolution Electron Microscopy, ShanghaiTech University, Shanghai, 201210, China.
| | - Chuanbo Gao
- State Key Laboratory of Multiphase Flow in Power Engineering, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, China.
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3
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Barbero A, Moreira Da Silva C, Ortiz Pena N, Kefane N, Jaafar A, Thorey M, Bouaia H, Nelayah J, Wang G, Amara H, Ricolleau C, Huc V, Alloyeau D. Synthesis and structural properties of high-entropy nanoalloys made by physical and chemical routes. Faraday Discuss 2023; 242:129-143. [PMID: 36331026 DOI: 10.1039/d2fd00118g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The development of synthesis methods with enhanced control over the composition, size and atomic structure of High Entropy Nano-Alloys (HENA) could give rise to a new repertoire of nanomaterials with unprecedented functionalities, notably for mechanical, catalytic or hydrogen storage applications. Here, we have developed two original synthesis methods, one by a chemical route and the other by a physical one, to fabricate HENA with a size between 3 and 10 nm and a face centered cubic structure containing three (CoNiPt), four (CoNiPtCu and CoNiPtAu) or five (CoNiPtAuCu) metals close to the equiatomic composition. The key point in the proposed chemical synthesis method is to compensate the difference in reactivity of the different metal precursors by increasing the synthesis temperature using high boiling solvents. Physical syntheses were performed by pulsed laser ablation using a precise alternating deposition of the individual metals on a heated amorphous carbon substrate. Finally, we have exploited aberration-corrected transmission electron microscopy to explore the nanophase diagram of these nanostructures and reveal intrinsic thermodynamic properties of those complex nanosystems. In particular, we have shown (i) that the complete mixing of all elements can only occur close to the equiatomic composition and (ii) how the Ostwald ripening during HENA synthesis can induce size-dependent deviations from the equiatomic composition leading to the formation of large core-shell nanoparticles.
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Affiliation(s)
- Andrea Barbero
- Université Paris Cité, CNRS, Laboratoire Matériaux et Phénomènes Quantiques, 75013 Paris, France.
| | | | - Nathaly Ortiz Pena
- Université Paris Cité, CNRS, Laboratoire Matériaux et Phénomènes Quantiques, 75013 Paris, France.
| | - Nour Kefane
- Laboratoire d'Etude des Microstructures, ONERA - CNRS, Chatillon, France
| | - Abdallah Jaafar
- Université Paris Cité, CNRS, Laboratoire Matériaux et Phénomènes Quantiques, 75013 Paris, France.
| | - Maxence Thorey
- Université Paris Cité, CNRS, Laboratoire Matériaux et Phénomènes Quantiques, 75013 Paris, France.
| | - Hicham Bouaia
- Université Paris Cité, CNRS, Laboratoire Matériaux et Phénomènes Quantiques, 75013 Paris, France.
| | - Jaysen Nelayah
- Université Paris Cité, CNRS, Laboratoire Matériaux et Phénomènes Quantiques, 75013 Paris, France.
| | - Guillaume Wang
- Université Paris Cité, CNRS, Laboratoire Matériaux et Phénomènes Quantiques, 75013 Paris, France.
| | - Hakim Amara
- Université Paris Cité, CNRS, Laboratoire Matériaux et Phénomènes Quantiques, 75013 Paris, France. .,Institut de Chimie Moléculaire et des Matériaux d'Orsay, Université de Paris Saclay - CNRS, Orsay, France
| | - Christian Ricolleau
- Université Paris Cité, CNRS, Laboratoire Matériaux et Phénomènes Quantiques, 75013 Paris, France.
| | - Vincent Huc
- Laboratoire d'Etude des Microstructures, ONERA - CNRS, Chatillon, France
| | - Damien Alloyeau
- Université Paris Cité, CNRS, Laboratoire Matériaux et Phénomènes Quantiques, 75013 Paris, France.
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4
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Stabilization of unprecedented crystal phases of metal nanomaterials. TRENDS IN CHEMISTRY 2023. [DOI: 10.1016/j.trechm.2022.12.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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5
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Atom hybridization of metallic elements: Emergence of subnano metallurgy for the post-nanotechnology. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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6
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Ahn H, Cho S, Park JT, Jang H. Sequential galvanic replacement mediated Pd-doped hollow Ru-Te nanorods for enhanced hydrogen evolution reaction mass activity in alkaline media. NANOSCALE 2022; 14:14913-14920. [PMID: 36193715 DOI: 10.1039/d2nr04285a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
High catalytic activity, long-term stability, and economical Pt-free catalysts for the hydrogen evolution reaction (HER) are required for the conversion of renewable energy systems. Noble nanomaterial Pt is a superior electrolysis catalyst for water splitting under typical experimental conditions with a relatively low overpotential. However, the use of Pt is limited by its high cost and activity degradation over time. Among several prospective alternatives, Ru has emerged as a promising alkaline electrolysis catalyst because of its significant catalytic activity and reduced cost compared to Pt. We designed and suggested Pd-doped hollow Ru-Te nanorods (PdRuTeNRs) via successive galvanic replacement reactions of sacrificial Te nanotemplates to further boost efficiency. The Pd/partially oxidized RuO2/Ru/Te hetero-interfaced composition exhibited an HER mass activity of 11.3 A g-1 Ru, twice that of Pt. In addition, the present PdRuTeNRs sufficiently maintained the activity from the 2000-cycle continuous test, greatly reducing the required cost by a quarter.
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Affiliation(s)
- Hojung Ahn
- Department of Chemistry, Kwangwoon University, 20 Gwangwoon-ro, Nowon-gu, Seoul 01897, Republic of Korea.
| | - Sanghyuk Cho
- Department of Chemical Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Jung Tae Park
- Department of Chemical Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Hongje Jang
- Department of Chemistry, Kwangwoon University, 20 Gwangwoon-ro, Nowon-gu, Seoul 01897, Republic of Korea.
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7
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Zou Q, Akada Y, Kuzume A, Yoshida M, Imaoka T, Yamamoto K. Alloying at a Subnanoscale Maximizes the Synergistic Effect on the Electrocatalytic Hydrogen Evolution. Angew Chem Int Ed Engl 2022; 61:e202209675. [PMID: 35912811 DOI: 10.1002/anie.202209675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Indexed: 01/07/2023]
Abstract
Bonding dissimilar elements to provide synergistic effects is an effective way to improve the performance of metal catalysts. However, as the properties become more dissimilar, achieving synergistic effects effectively becomes more difficult due to phase separation. Here we describe a comprehensive study on how subnanoscale alloying is always effective for inter-elemental synergy. Thirty-six combinations of both bimetallic subnanoparticles (SNPs) and nanoparticles (NPs) were studied systematically using atomic-resolution imaging and catalyst benchmarking based on the hydrogen evolution reaction (HER). Results revealed that SNPs always produce greater synergistic effects than NPs, the greatest synergistic effect was found for the combination of Pt and Zr. The atomic-scale miscibility and the associated modulation of electronic states at the subnanoscale were much different from those at the nanoscale, which was observed by annular-dark-field scanning transmission electron microscopy (ADF-STEM) and X-ray photoelectron spectroscopy (XPS), respectively.
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Affiliation(s)
- Quan Zou
- Laboratory for Chemistry and Life Science (CLS), Institute of Innovative Research (IIR), Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8503, Japan
| | - Yuji Akada
- Laboratory for Chemistry and Life Science (CLS), Institute of Innovative Research (IIR), Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8503, Japan
| | - Akiyoshi Kuzume
- JST-ERATO, YamamotoAtom Hybrid Project, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8503, Japan
| | - Masataka Yoshida
- Laboratory for Chemistry and Life Science (CLS), Institute of Innovative Research (IIR), Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8503, Japan.,JST-ERATO, YamamotoAtom Hybrid Project, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8503, Japan
| | - Takane Imaoka
- Laboratory for Chemistry and Life Science (CLS), Institute of Innovative Research (IIR), Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8503, Japan.,JST-ERATO, YamamotoAtom Hybrid Project, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8503, Japan
| | - Kimihisa Yamamoto
- Laboratory for Chemistry and Life Science (CLS), Institute of Innovative Research (IIR), Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8503, Japan.,JST-ERATO, YamamotoAtom Hybrid Project, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8503, Japan
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8
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Zhang C, Wang Y, Chen Y, Wang Y, Wang P, Wu Q. A Novel Method to Synthesize Co/Fe 3O 4 Nanocomposites with Optimal Magnetic and Microwave Performance. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:2764. [PMID: 36014629 PMCID: PMC9416676 DOI: 10.3390/nano12162764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/10/2022] [Accepted: 08/10/2022] [Indexed: 06/15/2023]
Abstract
The magnetic interactions between neighboring magnetic nanoparticles make the synthesis of nanocomposites made of two kinds of magnetic nanoparticles extremely difficult. In this paper, to achieve an effective nanocomposite of Co and Fe3O4 nanoparticles, a special urchin-like Co nanomatrix was used to prepare the Co/Fe3O4 nanocomposites. The Fe3O4 nanoparticles are evenly embedded into the branches of the CO clusters, bringing the two types of particles into close contact and ensuring the optimal magnetic and microwave properties. The electromagnetic (EM) parameters at 1-18 GHz and the magnetic loss tangents can be effectively modulated, and the absorption frequency bands of the EM waves are shifted to the X-Ku bands (8-18 GHz) from the S-C bands (2-8 GHz) after the Fe3O4 nanoparticles are compounded.
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Affiliation(s)
- Chi Zhang
- Faculty of Materials and Manufacturing, Beijing University of Technology, Key Lab of Advanced Functional Materials, Ministry of Education, Beijing 100124, China
| | - Yao Wang
- Industry Development and Promotion Center, Ministry of Industry and Information Technology of China, Beijing 100846, China
| | - Yun Chen
- Faculty of Materials and Manufacturing, Beijing University of Technology, Key Lab of Advanced Functional Materials, Ministry of Education, Beijing 100124, China
| | - Yatao Wang
- Faculty of Materials and Manufacturing, Beijing University of Technology, Key Lab of Advanced Functional Materials, Ministry of Education, Beijing 100124, China
| | - Peng Wang
- Department of Physics, School of Physics and Materials Science, Anhui University, Hefei 230601, China
| | - Qiong Wu
- Faculty of Materials and Manufacturing, Beijing University of Technology, Key Lab of Advanced Functional Materials, Ministry of Education, Beijing 100124, China
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9
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Yamamoto K, Zou Q, Akada Y, Kuzume A, Yoshida M, Imaoka T. Alloying at a Subnanoscale Maximizes the Synergistic Effect on the Electrocatalytic Hydrogen Evolution. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202209675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Kimihisa Yamamoto
- Tokyo Institute of Technology 4259 Nagatsuta 226-8503 Yokohama JAPAN
| | - Quan Zou
- Tokyo Institute of Technology: Tokyo Kogyo Daigaku Laboratory of Chemistry and Life Science JAPAN
| | - Yuji Akada
- Tokyo Institute of Technology: Tokyo Kogyo Daigaku Laboratory for Chemistry and Life Science JAPAN
| | - Akiyoshi Kuzume
- Tokyo Institute of Technology: Tokyo Kogyo Daigaku JST - ERATO, YamamotoAtom Hybrid Project JAPAN
| | - Masataka Yoshida
- Tokyo Institute of Technology: Tokyo Kogyo Daigaku Laboratory of Chemistry and Life Science JAPAN
| | - Takane Imaoka
- Tokyo Institute of Technology: Tokyo Kogyo Daigaku Laboratory of Chemistry and Life Science JAPAN
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10
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Moreira Da Silva C, Amara H, Fossard F, Girard A, Loiseau A, Huc V. Colloidal synthesis of nanoparticles: from bimetallic to high entropy alloys. NANOSCALE 2022; 14:9832-9841. [PMID: 35771172 DOI: 10.1039/d2nr02478k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
At the nanoscale, the synthesis of a random alloy (i.e. without phase segregation, whatever the composition) by chemical synthesis remains a difficult task, even for simple binary type systems. In this context, a unique approach based on the colloidal route is proposed enabling the synthesis of face-centred cubic and monodisperse bimetallic, trimetallic, tetrametallic and pentametallic nanoparticles with diameters around 5 nm as solid solutions. The Fe-Co-Ni-Pt-Ru alloy (and its subsets) is considered a challenging task as each element has fairly different physico-chemical properties. Particles are prepared by temperature-assisted co-reduction of metal acetylacetonate precursors in the presence of surfactants. It is highlighted how the correlation between precursors' degradation temperatures and reduction potential values of the metal cations is the driving force to achieve a homogeneous distribution of all elements within the nanoparticles.
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Affiliation(s)
- Cora Moreira Da Silva
- Laboratoire d'Étude des Microstructures, CNRS, ONERA, U. Paris-Saclay, Châtillon, 92322, France.
| | - Hakim Amara
- Laboratoire d'Étude des Microstructures, CNRS, ONERA, U. Paris-Saclay, Châtillon, 92322, France.
- Université de Paris, Laboratoire Matériaux et Phénomènes Quantiques (MPQ), CNRS-UMR7162, 75013 Paris, France
| | - Fédéric Fossard
- Laboratoire d'Étude des Microstructures, CNRS, ONERA, U. Paris-Saclay, Châtillon, 92322, France.
| | - Armelle Girard
- Laboratoire d'Étude des Microstructures, CNRS, ONERA, U. Paris-Saclay, Châtillon, 92322, France.
- Université Versailles Saint-Quentin, U. Paris-Saclay, Versailles, 78035, France
| | - Annick Loiseau
- Laboratoire d'Étude des Microstructures, CNRS, ONERA, U. Paris-Saclay, Châtillon, 92322, France.
| | - Vincent Huc
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, CNRS, Paris Sud, U. Paris-Saclay, Orsay, 91045, France.
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11
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Nanba Y, Koyama M. Thermodynamic stability of Pd-Ru alloy nanoparticles: combination of density functional theory calculations, supervised learning, and Wang-Landau sampling. Phys Chem Chem Phys 2022; 24:15452-15461. [PMID: 35712830 DOI: 10.1039/d2cp01848a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Solid-solution alloy nanoparticles (NPs) comprising Pd and Ru, which are immiscible in the bulk state, have been synthesised and show excellent catalytic performance. To date, most studies have evaluated the stability of alloy NPs at 0 K only. Because the thermodynamic stability of Pd-Ru alloy NPs may differ from that of the alloy in the bulk state, the stable configuration of the NPs must be evaluated under a finite temperature. Such stability evaluations are critical for developing the durable NPs as catalysts. Therefore, the thermodynamic stability of Pd-Ru alloy NPs was analysed using density functional theory (DFT), supervised learning (SL), and Wang-Landau sampling. We calculated the excess energy of Pd-Ru alloy NPs, which depends on their composition, structure, NP size, adatom type, and defects, and applied SL to all models. The excess energies of the Pd-Ru alloy NPs expressed by structural information, such as the surface-to-volume ratio, correlated with those calculated using DFT. Wang-Landau sampling based on the energy estimated by SL gave the thermodynamic stability of Pd-Ru alloy NPs with a stable configuration under a finite temperature. The solid-solution atomic configuration was subdivided into partially mixed configurations in the surface layer or in the core of the NPs, which is different from the bulk state. The partially mixed configuration was determined by the overall composition and surface properties. The findings from the combined method could contribute to a better understanding of the alloy-NP stability and their application in catalysis.
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Affiliation(s)
- Yusuke Nanba
- Research Initiative for Supra-Materials, Shinshu University, 4-17-1 Wakasato, Nagano 380-8553, Japan.
| | - Michihisa Koyama
- Research Initiative for Supra-Materials, Shinshu University, 4-17-1 Wakasato, Nagano 380-8553, Japan. .,Open Innovation Institute, Kyoto University, Yoshida-honmachi, Sakyo-ku, Kyoto 606-8501, Japan
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12
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Kim J, Kim JY, Park ES. Pushing the Boundaries of Multicomponent Alloy Nanostructures: Hybrid Approach of Liquid Phase Separation and Selective Leaching Processes. Acc Chem Res 2022; 55:1821-1831. [PMID: 35713467 DOI: 10.1021/acs.accounts.2c00143] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
ConspectusAlloying, or mixing of multiple metallic elements, is the classical way of novel materials development since the Bronze age. Increased numbers of principal elements expand the compositional space for alloy design vastly, leading to nearly endless possibilities of unexpected and unique materials properties. In contrast to bulk alloying processes represented by casting of molten metal mixtures, the fabrication of multicomponent alloy (MCA) nanostructures such as nanoparticles and nanofoams with more than three elements is often challenging, and a few methodologies for directly synthesizing alloy nanostructures up to denary systems have been suggested recently. However, forming alloy nanoparticles inside another metal matrix, instead of inside aqueous media in wet-chemical synthesis, is a fairly well understood strategy in terms of physical metallurgy. Extracting those alloy nanophases from the matrix could provide an alternative way to fabricate novel MCA nanostructures.In this Account, we describe a hybrid approach of metallurgical bottom-up and chemical top-down processes for fabricating MCA nanostructures including nanoparticles and nanofoams. The former utilizes a liquid-state phase separation process that resembles "oil and water" but occurs at the nanoscale due to thermodynamic mixing relations among alloying elements and a rapid quenching process. Thermodynamic prediction of the immiscible boundary in a temperature-composition space (miscibility gap) plays a key role in designing precursor alloys for MCA nanostructures. Selective leaching, the chemical top-down process for extracting the alloy nanostructures from the precursors, uses the chemical reactivity difference between the embedded nanostructures and the matrix phase against a certain chemical solution. We discuss here that the precise control of alloy composition and cooling rate based on thermodynamic assessments enables researchers to prepare phase-separating precursor alloys for fabricating both nanoparticles and nanofoams with a broad size range from a few nanometers to a few hundred nanometers. Depending on the alloy systems, the atomic structure of alloy nanostructures could be controlled from fully amorphous to nanocrystalline and even to quasicrystalline structure. We demonstrate how the different sizes of alloy nanostructures fabricated by a single hybrid procedure can be effectively exploited for investigating size-dependent physical properties. The future and potential research directions for this hybrid approach are also briefly discussed. This unique approach for fabricating nanosized alloys provides an extended methodology to discover novel metallic nanomaterials with promising properties in diverse compositional spaces of MCA systems.
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Affiliation(s)
- Jinwoo Kim
- Energy Materials Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
| | - Ji Young Kim
- Department of Materials Science and Engineering, Research Institute of Advanced Materials & Institute of Engineering Research, Seoul National University, Seoul 08826, Republic of Korea
| | - Eun Soo Park
- Department of Materials Science and Engineering, Research Institute of Advanced Materials & Institute of Engineering Research, Seoul National University, Seoul 08826, Republic of Korea
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13
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Tan Z, Haneda M, Kitagawa H, Huang B. Slow Synthesis Methodology-Directed Immiscible Octahedral Pd x Rh 1-x Dual-Atom-Site Catalysts for Superior Three-Way Catalytic Activities over Rh. Angew Chem Int Ed Engl 2022; 61:e202202588. [PMID: 35302275 DOI: 10.1002/anie.202202588] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Indexed: 11/10/2022]
Abstract
This study provided an effective strategy to construct dual-atom sites by solid-solution alloying. A slow synthesis methodology was established for the solid-solution preparations as dual-atom-site catalysts. The atomic-level homogeneous Pdx Rh1-x dual-atom-site catalysts were successfully synthesized over the whole composition range, as evidenced by X-ray powder diffraction and scanning transmission electron microscope energy-dispersive X-ray spectroscopy mapping measurements. The challenging morphology formation in the immiscible alloys was achieved by an energy-controlling process as the octahedral Rh-rich alloys. The Pd0.3 Rh0.7 dual-atom-site catalyst had unique surface states to activate the key reactants of CO and NO in the complex three-way catalytic reactions, and it performed significantly better than pure Rh.
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Affiliation(s)
- Zhe Tan
- Institute of Chemical Engineering and Technology, Xi'an Jiaotong University, Innovation Harbour, Xi-xian New District, Xi'an, 712-000, China
| | - Masaaki Haneda
- Advanced Ceramics Research Centre, Nagoya Institute of Technology, 10-6-29 Asahigaoka, Tajimi, Gifu, 507-0071, Japan.,Frontier Research Institute for Materials Science, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya, 465-8555, Japan
| | - Hiroshi Kitagawa
- Division of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto, 606-8502, Japan
| | - Bo Huang
- Institute of Chemical Engineering and Technology, Xi'an Jiaotong University, Innovation Harbour, Xi-xian New District, Xi'an, 712-000, China.,State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350-002, China
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14
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Tan Z, Haneda M, Kitagawa H, HUANG B. Slow Synthesis Methodology‐Directed Immiscible Octahedral PdxRh1‐x Dual‐Atom‐Site Catalysts for Superior Three‐Way Catalytic Activities over Rh. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202202588] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Zhe Tan
- Xi'an Jiaotong University Institute of Chemical Engineering and Technology CHINA
| | - Masaaki Haneda
- Nagoya Institute of Technology: Nagoya Kogyo Daigaku Advanced Ceramics research Center JAPAN
| | - Hiroshi Kitagawa
- Kyoto University: Kyoto Daigaku Division of Chemistry, Graduate School of Science JAPAN
| | - Bo HUANG
- Xi'an Jiaotong University Department of Chemical Engineering Department of Chemical EngineeringSchool of Chemical Engineering and TechnologyXi’an Jiaotong UniversityBeilin ward 710049 Xi’an CHINA
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15
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Matsumoto K, Sato R, Tatetsu Y, Takahata R, Yamazoe S, Yamauchi M, Inagaki Y, Horibe Y, Kudo M, Toriyama T, Auchi M, Haruta M, Kurata H, Teranishi T. Inter-element miscibility driven stabilization of ordered pseudo-binary alloy. Nat Commun 2022; 13:1047. [PMID: 35210441 PMCID: PMC8873263 DOI: 10.1038/s41467-022-28710-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 01/28/2022] [Indexed: 11/09/2022] Open
Abstract
An infinite number of crystal structures in a multicomponent alloy with a specific atomic ratio can be devised, although only thermodynamically-stable phases can be formed. Here, we experimentally show the first example of a layer-structured pseudo-binary alloy, theoretically called Z3-FePd3. This Z3 structure is achieved by adding a small amount of In, which is immiscible with Fe but miscible with Pd and consists of an alternate L10 (CuAu-type)-PdFePd trilayer and Pd–In ordered alloy monolayer along the c axis. First-principles calculations strongly support that the specific inter-element miscibility of In atoms stabilizes the thermodynamically-unstable Z3-FePd3 phase without significantly changing the original density of states of the Z3-FePd3 phase. Our results demonstrate that the specific inter-element miscibility can switch stable structures and manipulate the material nature with a slight composition change. Synthetic routes of stabilizing crystal structures can discover atomic pickings with desired properties. Here the authors demonstrate inter-element miscibility of In can act as a stabilizer to create Z3-based ordered alloy without significantly changing the original density of state of Z3-FePd3.
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Affiliation(s)
- Kenshi Matsumoto
- Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto, 611-0011, Japan
| | - Ryota Sato
- Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto, 611-0011, Japan
| | - Yasutomi Tatetsu
- Center for Liberal Arts Education, Meio University, Biimata, Nago, Okinawa, 905-8585, Japan
| | - Ryo Takahata
- Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto, 611-0011, Japan
| | - Seiji Yamazoe
- Department of Chemistry, Graduate School of Science, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo, 192-0397, Japan
| | - Miho Yamauchi
- Institute for Materials Chemistry and Engineering (IMCE), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Yuji Inagaki
- Department of Applied Quantum Physics and Nuclear Engineering, Faculty of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Yoichi Horibe
- Department of Materials Science and Engineering, Graduate School of Engineering, Kyushu Institute of Technology, 1-1 Sensui, Tobata, Kitakyuushu, Fukuoka, 804-8550, Japan
| | - Masaki Kudo
- The Ultramicroscopy Research Center, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Takaaki Toriyama
- The Ultramicroscopy Research Center, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Mitsunari Auchi
- The Ultramicroscopy Research Center, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Mitsutaka Haruta
- Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto, 611-0011, Japan
| | - Hiroki Kurata
- Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto, 611-0011, Japan
| | - Toshiharu Teranishi
- Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto, 611-0011, Japan.
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16
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Zhang Q, Kusada K, Wu D, Yamamoto T, Toriyama T, Matsumura S, Kawaguchi S, Kubota Y, Kitagawa H. Crystal Structure Control of Binary and Ternary Solid-Solution Alloy Nanoparticles with a Face-Centered Cubic or Hexagonal Close-Packed Phase. J Am Chem Soc 2022; 144:4224-4232. [PMID: 35196005 DOI: 10.1021/jacs.2c00583] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The crystal structure significantly affects the physical and chemical properties of solids. However, the crystal structure-dependent properties of alloys are rarely studied because controlling the crystal structure of an alloy at the same composition is extremely difficult. Here, for the first time, we successfully demonstrate the synthesis of binary Ru-Pt (Ru/Pt = 7:3) and Ru-Ir (Ru/Ir = 7:3) and ternary Ru-Ir-Pt (Ru/Ir/Pt = 7:1.5:1.5) solid-solution alloy nanoparticles (NPs) with well-controlled hexagonal close-packed (hcp) and face-centered cubic (fcc) phases, through the chemical reduction method. The crystal structure control is realized by precisely tunning the reduction speeds of the metal precursors. The effect of the crystal structure on the catalytic performance of solid-solution alloy NPs is systematically investigated. Impressively, all the hcp alloy NPs show superior electrocatalytic activities for the hydrogen evolution reaction in alkaline solution compared with the fcc alloy NPs. In particular, hcp-RuIrPt exhibits extremely high intrinsic (mass) activity, which is 3.1 (3.2) and 6.7 (6.9) times enhanced compared to that of fcc-RuIrPt and commercial Pt/C.
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Affiliation(s)
- Quan Zhang
- Division of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan
| | - Kohei Kusada
- Division of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan
| | - Dongshuang Wu
- Division of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan
| | - Tomokazu Yamamoto
- The Ultramicroscopy Research Centre, Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Takaaki Toriyama
- The Ultramicroscopy Research Centre, Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Syo Matsumura
- The Ultramicroscopy Research Centre, Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan.,Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Shogo Kawaguchi
- Japan Synchrotron Radiation Research Insitute (JASRI), SPring-8, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198, Japan
| | - Yoshiki Kubota
- Department of Physical Science, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
| | - Hiroshi Kitagawa
- Division of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan
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17
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Tsukamoto T, Tomozawa K, Moriai T, Yoshida N, Kambe T, Yamamoto K. Highly Accurate Synthesis of Quasi‐sub‐nanoparticles by Dendron‐assembled Supramolecular Templates. Angew Chem Int Ed Engl 2022; 61:e202114353. [DOI: 10.1002/anie.202114353] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Indexed: 11/05/2022]
Affiliation(s)
- Takamasa Tsukamoto
- Laboratory for Chemistry and Life Science Institute of Innovative Research Tokyo Institute of Technology 4259 Nagatsuta, Midori-ku Yokohama 226-8503 Japan
- PRESTO, JST Kawaguchi Saitama 332-0012 Japan
- ERATO, JST Kawaguchi Saitama 332-0012 Japan
| | - Kosuke Tomozawa
- Laboratory for Chemistry and Life Science Institute of Innovative Research Tokyo Institute of Technology 4259 Nagatsuta, Midori-ku Yokohama 226-8503 Japan
- Present address: Department of Chemistry School of Sciences The University of Tokyo Tokyo 153-8902 Japan
| | - Tatsuya Moriai
- Laboratory for Chemistry and Life Science Institute of Innovative Research Tokyo Institute of Technology 4259 Nagatsuta, Midori-ku Yokohama 226-8503 Japan
| | - Nozomi Yoshida
- Laboratory for Chemistry and Life Science Institute of Innovative Research Tokyo Institute of Technology 4259 Nagatsuta, Midori-ku Yokohama 226-8503 Japan
| | - Tetsuya Kambe
- Laboratory for Chemistry and Life Science Institute of Innovative Research Tokyo Institute of Technology 4259 Nagatsuta, Midori-ku Yokohama 226-8503 Japan
- ERATO, JST Kawaguchi Saitama 332-0012 Japan
| | - Kimihisa Yamamoto
- Laboratory for Chemistry and Life Science Institute of Innovative Research Tokyo Institute of Technology 4259 Nagatsuta, Midori-ku Yokohama 226-8503 Japan
- ERATO, JST Kawaguchi Saitama 332-0012 Japan
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18
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Kusada K, Kitagawa H. Continuous-flow syntheses of alloy nanoparticles. MATERIALS HORIZONS 2022; 9:547-558. [PMID: 34812460 DOI: 10.1039/d1mh01413g] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Alloy nanoparticles (NPs), including core-shell, segregated and solid-solution types, show a variety of attractive properties such as catalytic and optical properties and are used in a wide range of applications. Precise control and good reproducibility in the syntheses of alloy NPs are highly demanded because these properties are tunable by controlling alloy structures, compositions, particle sizes, and so on. To improve the efficiency and reproducibility of their syntheses, continuous-flow syntheses with various types of reactors have recently been developed instead of the current mainstream approach, batch syntheses. In this review, we focus on the continuous-flow syntheses of alloy NPs and first overview the flow syntheses of NPs, especially of alloy NPs. Subsequently, the details of flow reactors and their chemistry to synthesize core-shell, segregated, solid-solution types of alloy NPs, and high-entropy alloy NPs are introduced. Finally, the challenges and future perspectives in this field are discussed.
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Affiliation(s)
- Kohei Kusada
- The Hakubi Centre for Advanced Research, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan.
- PRESTO, Japan Science and Technology Agency, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Hiroshi Kitagawa
- Division of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan.
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19
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Tran XQ, Aso K, Yamamoto T, Yang W, Kono Y, Kusada K, Wu D, Kitagawa H, Matsumura S. Quantitative Characterization of the Thermally Driven Alloying State in Ternary Ir-Pd-Ru Nanoparticles. ACS NANO 2022; 16:1612-1624. [PMID: 34962778 DOI: 10.1021/acsnano.1c10414] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Compositional and structural arrangements of constituent elements, especially those at the surface and near-surface layers, are known to greatly influence the catalytic performance of alloyed nanoparticles (NPs). Although much research effort often focuses on the ability to tailor these important aspects in the design stage, their stability under realistic operating conditions remains a major technical challenge. Here, the compositional stability and associated structural evolution of a ternary iridium-palladium-ruthenium (Ir-Pd-Ru) nanoalloy at elevated temperatures have been studied using interrupted in situ scanning transmission electron microscopy and theoretical modeling. The results are based on a combinatory approach of statistical sampling at the sub-nanometer scale for large groups of NPs as well as tracking individual NPs. We find that the solid solution Ir-Pd-Ru NPs (∼5.6 nm) evolved into a Pd-enriched shell supported on an alloyed Ir-Ru-rich core, most notably when the temperature exceeds 500 °C, concurrently with the development of expansive atomic strain in the outer surface and subsurface layers with respect to the core regions. Theoretically, we identify the weak interatomic bonds, low surface energy, and large atomic sizes associated with Pd as the key factors responsible for such observed features.
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Affiliation(s)
- Xuan Quy Tran
- Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Kohei Aso
- Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
- School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Tomokazu Yamamoto
- Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
- The Ultramicroscopy Research Center, Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Wenhui Yang
- Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Yoshiki Kono
- Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Kohei Kusada
- Department of Chemistry, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan
| | - Dongshuang Wu
- Department of Chemistry, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan
| | - Hiroshi Kitagawa
- Department of Chemistry, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan
| | - Syo Matsumura
- Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
- The Ultramicroscopy Research Center, Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
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20
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Yamamoto K, Tsukamoto T, Tomozawa K, Moriai T, Yoshida N, Kambe T. Highly Accurate Synthesis of Quasi‐sub‐nanoparticles by Dendron‐assembled Supramolecular Templates. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202114353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Kimihisa Yamamoto
- Tokyo Institute of Technology Chemical Resourses Laboratory 4259 Nagatsuta 226-8503 Yokohama JAPAN
| | | | - Kosuke Tomozawa
- Tokyo Institute of Technology: Tokyo Kogyo Daigaku IIR-CLS JAPAN
| | | | - Nozomi Yoshida
- Tokyo Institute of Technology: Tokyo Kogyo Daigaku IIR-CLS JAPAN
| | - Tetsuya Kambe
- Tokyo Institute of Technology: Tokyo Kogyo Daigaku IIR-CLS JAPAN
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21
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Watanabe S, Koshiyama T, Watanabe T, Miyahara MT. Room-Temperature Synthesis of Ni and Pt-Co Alloy Nanoparticles Using a Microreactor. FRONTIERS IN CHEMICAL ENGINEERING 2021. [DOI: 10.3389/fceng.2021.780384] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Metal nanoparticles (NPs) are key materials used in a broad range of industries. Among the various synthetic routes of NPs, liquid-phase chemical reactions are promising because of their versatility in reaction conditions as well as their potential productivity. However, because the synthesis of NPs involves not only chemical reactions but also nucleation and growth processes, which are typically higher-order reactions in terms of the concentration, a small degree of nonuniformity in the concentration during mixing of reaction solutions can easily result in a wide size distribution of the resultant particles. A typical solution to this problem is to slow the rate of reactions compared with that of mixing; however, as a result, the synthetic processes often require long reaction periods and complex procedures. In this study, we applied a microreactor with excellent mixing performance to NP synthesis to simplify and intensify the processes. We synthesized nickel and platinum-cobalt alloy NPs as model materials. For the Ni NP synthesis, we demonstrated that the quick mixing provided by the microreactor enabled the precise control of the residence time, and consequently, monodispersed Ni NPs with an average size of 3.8 nm were synthesized. For the Pt-Co bimetallic system, the microreactor successfully produced Pt-Co alloy NPs, while batch-type synthesis with weaker mixing intensity resulted in a bimodal mixture of larger Pt NPs and smaller Co NPs. For both Ni and Pt-Co, monodispersed NPs were synthesized by simply mixing the reaction solutions in the microreactor at room temperature. These results demonstrate that the mixing process plays a key role in NP synthesis, and application of a microreactor enables the establishment of a facile and robust synthetic process.
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22
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Lee HW, Jung E, Han GH, Kim MC, Kim D, Lee KY, Han SS, Yu T. Three-in-One Strategy to Improve Both Catalytic Activity and Selectivity: Nonconcentric Pd-Au Nanoparticles. J Phys Chem Lett 2021; 12:11098-11105. [PMID: 34752106 DOI: 10.1021/acs.jpclett.1c03256] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
In direct H2O2 synthesis, the Pd-Au alloy was considered as a potential catalyst because of its much better performance compared to the prototype Pd; unfortunately, achieving both high activity and selectivity remains a challenge. Here, we synthesized nonconcentric Pd-Au NPs in which Au domain shells are formed only partially on Pd domain cores and tested them for direct H2O2 synthesis. It has three exposed regions of Pd, Au domains, and Pd-Au interfaces in a single NP (hence, a 3-in-1 strategy). Creating nonconcentric forms was demonstrated convincingly by density functional theory calculations. The nonconcentric Pd-Au particles exhibit high and well-balanced performances that are hard to achieve with traditional alloyed Pd-Au. The number of Pd/Au interfaces was found to be the key factor and thus was optimized by controlling the Au precursor concentrations. The hitherto underutilized structure of nonconcentric bimetallic alloys can be useful and thus should be more actively investigated for catalyst development.
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Affiliation(s)
- Hong Woo Lee
- Computational Science Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
- Department of Chemical and Biological Engineering, Korea University, 145 Anam-ro, Seoul 02841, Republic of Korea
| | - Euiyoung Jung
- Department of Chemical Engineering, Integrated Engineering Major, Kyung Hee University, Yongin 17104, Republic of Korea
| | - Geun-Ho Han
- Department of Chemical and Biological Engineering, Korea University, 145 Anam-ro, Seoul 02841, Republic of Korea
| | - Min-Cheol Kim
- Computational Science Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
| | - Donghun Kim
- Computational Science Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
| | - Kwan-Young Lee
- Department of Chemical and Biological Engineering, Korea University, 145 Anam-ro, Seoul 02841, Republic of Korea
| | - Sang Soo Han
- Computational Science Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
| | - Taekyung Yu
- Department of Chemical Engineering, Integrated Engineering Major, Kyung Hee University, Yongin 17104, Republic of Korea
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23
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Seo O, Kumara LSR, Kim J, Hiroi S, Kusada K, Kitagawa H, Sakata O. Total x-ray scattering setup for crystalline particles at SPring-8 BL15XU NIMS beamline. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2021; 92:113905. [PMID: 34852505 DOI: 10.1063/5.0067938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 10/21/2021] [Indexed: 06/13/2023]
Abstract
We report a total x-ray scattering (TXS) system for structural analysis of crystalline particle materials at the BL15XU NIMS beamline of SPring-8 in Japan. To achieve a high angular resolution over a high Q region up to 25 Å-1, the TXS system was capable of measuring to 120° at an x-ray energy of 29.02 keV with five CdTe pin detectors. The sample alignment and measuring system were controlled by LabView software. The x-ray pair distribution function (PDF) results for Ni bulk powder and Pt and AgRh nanoparticles were successfully simulated by the PDFgui program. In addition, Rietveld refinement results were also obtained from x-ray diffraction patterns, reflecting long-range order in the Pt nanoparticles. We expect that this TXS system may be useful for understanding structural information of crystalline nanoparticles, including amorphous features at their surface region.
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Affiliation(s)
- Okkyun Seo
- Japan Synchrotron Radiation Research Institute, 1-1-1 Kouto, Sayo, Hyogo 679-5198, Japan
| | - L S R Kumara
- Japan Synchrotron Radiation Research Institute, 1-1-1 Kouto, Sayo, Hyogo 679-5198, Japan
| | - Jaemyung Kim
- Synchrotron X-Ray Group, Research Center for Advanced Measurement and Characterization, National Institute for Materials Science (NIMS), 1-1-1 Kouto, Sayo, Hyogo 679-5148, Japan
| | - Satoshi Hiroi
- Japan Synchrotron Radiation Research Institute, 1-1-1 Kouto, Sayo, Hyogo 679-5198, Japan
| | - Kohei Kusada
- Division of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan
| | - Hiroshi Kitagawa
- Division of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan
| | - Osami Sakata
- Japan Synchrotron Radiation Research Institute, 1-1-1 Kouto, Sayo, Hyogo 679-5198, Japan
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24
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Nanba Y, Koyama M. Thermodynamic Stabilities of PdRuM (M = Cu, Rh, Ir, Au) Alloy Nanoparticles Assessed by Wang–Landau Sampling Combined with DFT Calculations and Multiple Regression Analysis. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2021. [DOI: 10.1246/bcsj.20210199] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Yusuke Nanba
- Research Initiative for Supra-Materials, Shinshu University, 4-17-1 Wakasato, Nagano 380-8553, Japan
| | - Michihisa Koyama
- Research Initiative for Supra-Materials, Shinshu University, 4-17-1 Wakasato, Nagano 380-8553, Japan
- Open Innovation Institute, Kyoto University, Yoshida-honmachi, Sakyo-ku, Kyoto 606-8501, Japan
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25
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Kambe T, Li M, Tsukamoto T, Imaoka T, Yamamoto K. Expansion of Dendrimer Template Function for Subnanoparticle Synthesis. CHEM LETT 2021. [DOI: 10.1246/cl.210316] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Tetsuya Kambe
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsutacho, Midori-ku, Yokohama, Kanagawa 226-8503, Japan
- JST-ERATO, Tokyo Institute of Technology, 4259 Nagatsutacho, Midori-ku, Yokohama, Kanagawa 226-8503, Japan
| | - Meijia Li
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsutacho, Midori-ku, Yokohama, Kanagawa 226-8503, Japan
| | - Takamasa Tsukamoto
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsutacho, Midori-ku, Yokohama, Kanagawa 226-8503, Japan
- JST-ERATO, Tokyo Institute of Technology, 4259 Nagatsutacho, Midori-ku, Yokohama, Kanagawa 226-8503, Japan
- JST-PRESTO, Kawaguchi, Saitama 332-0012, Japan
| | - Takane Imaoka
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsutacho, Midori-ku, Yokohama, Kanagawa 226-8503, Japan
- JST-ERATO, Tokyo Institute of Technology, 4259 Nagatsutacho, Midori-ku, Yokohama, Kanagawa 226-8503, Japan
| | - Kimihisa Yamamoto
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsutacho, Midori-ku, Yokohama, Kanagawa 226-8503, Japan
- JST-ERATO, Tokyo Institute of Technology, 4259 Nagatsutacho, Midori-ku, Yokohama, Kanagawa 226-8503, Japan
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26
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Piccolo L. Restructuring effects of the chemical environment in metal nanocatalysis and single-atom catalysis. Catal Today 2021. [DOI: 10.1016/j.cattod.2020.03.052] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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27
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Osugi S, Takano S, Masuda S, Harano K, Tsukuda T. Few-nm-sized, phase-pure Au 5Sn intermetallic nanoparticles: synthesis and characterization. Dalton Trans 2021; 50:5177-5183. [PMID: 33881079 DOI: 10.1039/d1dt00132a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Nanoparticles of intermetallic compounds have attracted much interest because they can exhibit novel electronic and catalytic properties due to their specific crystal structure, ordered atomic arrangement, and quantum effect. Here, gold-tin (AuSn) bimetallic nanoparticles with various mixing ratios were prepared by a co-reduction method using various protective agents (e.g., polymer, amine, phosphine, carboxylic acid, and thiol). Powder X-ray diffractometry and transmission electron microscopy revealed that few-nm-sized, phase-pure Au5Sn intermetallic nanoparticles (IMNPs) were successfully synthesized when Au3+ and Sn2+ precursors with a ratio of 6 : 4 were co-reduced in the presence of oleylamine. The Au5Sn IMNPs thus prepared did not exhibit localized surface plasmon resonance, in contrast to pure Au nanoparticles of comparable sizes. This suggests that interband transition dominates the optical response due to an increase in the density of states near the Fermi level by introducing Sn. The Au5Sn IMNPs supported on mesoporous silica (SBA-15) catalyzed the aerobic oxidation reaction of indanol.
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Affiliation(s)
- Satoshi Osugi
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0031, Japan.
| | - Shinjiro Takano
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0031, Japan.
| | - Shinya Masuda
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0031, Japan.
| | - Koji Harano
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0031, Japan.
| | - Tatsuya Tsukuda
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0031, Japan. and Elements Strategy Initiative for Catalysts and Batteries (ESICB), Kyoto University, Katsura, Kyoto 615-8520, Japan
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28
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Zhang Q, Kusada K, Kitagawa H. Phase Control of Noble Monometallic and Alloy Nanomaterials by Chemical Reduction Methods. Chempluschem 2021; 86:504-519. [PMID: 33764700 DOI: 10.1002/cplu.202000782] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 03/15/2021] [Indexed: 12/28/2022]
Abstract
In recent years, the phase control of monometallic and alloy nanomaterials has attracted great attention because of the potential to tune the physical and chemical properties of these species. In this Review, an overview of the latest research progress in phase-controlled monometallic and alloy nanomaterials is first given. Then, the phase-controlled synthesis using a chemical reduction method are discussed, and the formation mechanisms of these nanomaterials are specifically highlighted. Lastly, the challenges and future perspectives in this new research field are discussed.
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Affiliation(s)
- Quan Zhang
- Department of Chemistry, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto, 606-8502, Japan
| | - Kohei Kusada
- Department of Chemistry, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto, 606-8502, Japan
| | - Hiroshi Kitagawa
- Department of Chemistry, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto, 606-8502, Japan
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29
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VALADEZ HUERTA G, NANBA Y, ZULKIFLI NDB, RIVERA ROCABADO DS, ISHIMOTO T, KOYAMA M. First-Principles Calculations of Stability, Electronic Structure, and Sorption Properties of Nanoparticle Systems. JOURNAL OF COMPUTER CHEMISTRY-JAPAN 2021. [DOI: 10.2477/jccj.2021-0028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
| | - Yusuke NANBA
- Research Initiative for Supra Materials, Shinshu University
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30
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Tsukamoto T, Kuzume A, Nagasaka M, Kambe T, Yamamoto K. Quantum Materials Exploration by Sequential Screening Technique of Heteroatomicity. J Am Chem Soc 2020; 142:19078-19084. [PMID: 32897063 DOI: 10.1021/jacs.0c06653] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Subnanoparticles (SNPs) exhibit unique properties and functions due to their extremely small particle sizes which extend into the quantum scale. Although the synthesis of SNPs requiring precise control of atomicity and composition has not been accomplished, we recently developed an atom-hybridization method (AHM) that realizes such atomic-level control using a macromolecular template. As a next step in the quest for innovative quantum materials, the practical creation of functional subnanomaterials will become a central subject. In this study, we established a new screening technique for functional SNPs by focusing on the simple indium-tin binary system with sequential compositions using the latest AHM. As a result, it was revealed that a thermodynamically unstable indium species was produced only at a certain composition leading to a durable luminescent function. Such a phenomenon in subnanosized substances will play an important role in the development of the as-yet-unknown field of quantum materials.
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Affiliation(s)
- Takamasa Tsukamoto
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, Yokohama 226-8503, Japan.,ERATO, JST, Kawaguchi, Saitama 332-0012, Japan
| | | | | | - Tetsuya Kambe
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, Yokohama 226-8503, Japan.,ERATO, JST, Kawaguchi, Saitama 332-0012, Japan
| | - Kimihisa Yamamoto
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, Yokohama 226-8503, Japan.,ERATO, JST, Kawaguchi, Saitama 332-0012, Japan
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31
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Moreira Da Silva C, Girard A, Dufond M, Fossard F, Andrieux-Ledier A, Huc V, Loiseau A. Nickel platinum (Ni x Pt 1-x ) nanoalloy monodisperse particles without the core-shell structure by colloidal synthesis. NANOSCALE ADVANCES 2020; 2:3882-3889. [PMID: 36132757 PMCID: PMC9417886 DOI: 10.1039/d0na00450b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 07/09/2020] [Indexed: 06/15/2023]
Abstract
We report a new and versatile colloidal route towards the synthesis of nanoalloys with controlled size and chemical composition in the solid solution phase (without phase segregation such as core-shell structure or Janus structure) or chemical ordering. The principle of the procedure is based on the correlation between the oxidation-reduction potential of metal cations present in the precursors and the required synthesis temperature to nucleate particles without phase segregation. The procedure is demonstrated via the synthesis of Face Centered Cubic (FCC) Ni x Pt1-x nanoparticles, which was elaborated by the co-reduction of nickel(ii) acetylacetonate and platinum(ii) acetylacetonate with 1,2-hexadecanediol in benzyl ether, using oleylamine and oleic acid as surfactants. The chemical composition and solid solution FCC structure of the nanoalloy are demonstrated by crosslinking imaging and chemical analysis using transmission electron microscopy and X-ray diffraction techniques. Whatever the chemical composition inspected, a systematic expansion of the lattice parameters is measured in relation to the respective bulk counterpart.
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Affiliation(s)
- Cora Moreira Da Silva
- Laboratoire d'Étude des Microstructures, CNRS, ONERA, U. Paris-Saclay Châtillon 92322 France
| | - Armelle Girard
- Laboratoire d'Étude des Microstructures, CNRS, ONERA, U. Paris-Saclay Châtillon 92322 France
- Université Versailles Saint-Quentin, U. Paris-Saclay Versailles 78035 France
| | - Maxime Dufond
- Laboratoire d'Étude des Microstructures, CNRS, ONERA, U. Paris-Saclay Châtillon 92322 France
| | - Frédéric Fossard
- Laboratoire d'Étude des Microstructures, CNRS, ONERA, U. Paris-Saclay Châtillon 92322 France
| | - Amandine Andrieux-Ledier
- Département Physique, Instrumentation, Environnement, Espace, ONERA, U. Paris-Saclay Châtillon 92322 France
| | - Vincent Huc
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, CNRS, Paris Sud, U. Paris-Saclay Orsay 91045 France
| | - Annick Loiseau
- Laboratoire d'Étude des Microstructures, CNRS, ONERA, U. Paris-Saclay Châtillon 92322 France
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32
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Kwon T, Jun M, Lee K. Catalytic Nanoframes and Beyond. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2001345. [PMID: 32633878 DOI: 10.1002/adma.202001345] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 04/01/2020] [Accepted: 04/09/2020] [Indexed: 06/11/2023]
Abstract
The ever-increasing need for the production and expenditure of sustainable energy is a result of the astonishing rate of consumption of fossil fuels and the accompanying environmental problems. Emphasis is being directed to the generation of sustainable energy by the fuel cell and water splitting technologies. Accordingly, the development of highly efficient electrocatalysts has attracted significant interest, as the fuel cell and water splitting technologies are critically dependent on their performance. Among numerous catalyst designs under investigation, nanoframe catalysts have an intrinsically large surface area per volume and a tunable composition, which impacts the number of catalytically active sites and their intrinsic catalytic activity, respectively. Nevertheless, the structural integrity of the nanoframe during electrochemical operation is an ongoing concern. Some significant advances in the field of nanoframe catalysts have been recently accomplished, specifically geared to resolving the catalytic stability concerns and significantly boosting the intrinsic catalytic activity of the active sites. Herein, general synthetic concepts of nanoframe structures and their structure-dependent catalytic performance are summarized, along with recent notable advances in this field. A discussion on the remaining challenges and future directions, addressing the limitations of nanoframe catalysts, are also provided.
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Affiliation(s)
- Taehyun Kwon
- Department of Chemistry and Research Institute for Natural Sciences, Korea University, Seoul, 02841, Republic of Korea
| | - Minki Jun
- Department of Chemistry and Research Institute for Natural Sciences, Korea University, Seoul, 02841, Republic of Korea
| | - Kwangyeol Lee
- Department of Chemistry and Research Institute for Natural Sciences, Korea University, Seoul, 02841, Republic of Korea
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33
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Catalytically active PdRu and CuRu bimetallic nanoparticle formation in the mesoporous SiO2 by supercritical CO2-assisted immobilization. J Supercrit Fluids 2020. [DOI: 10.1016/j.supflu.2020.104818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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34
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Zhao X, Xue Z, Chen W, Wang Y, Mu T. Eutectic Synthesis of High-Entropy Metal Phosphides for Electrocatalytic Water Splitting. CHEMSUSCHEM 2020; 13:2038-2042. [PMID: 31981404 DOI: 10.1002/cssc.202000173] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Indexed: 06/10/2023]
Abstract
High-entropy materials, a new class of alloys that incorporate five or more principal elements into single-phase crystal structures, have received considerable interest in materials science and engineering. Considering the tailored composition and disordered configuration, these high-entropy materials may arouse functional synergism towards electrocatalysis. Here, a new strategy for preparing high-entropy metal phosphides (HEMPs) was developed by a eutectic solvent method. The as-prepared HEMP possessed a single metal phosphide phase with up to five homogenously distributed metal components. The versatile application of high-entropy materials was highlighted by integrating the HEMP catalyst into a two-electrode configuration for electrocatalytic water splitting.
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Affiliation(s)
- Xinhui Zhao
- Department of Chemistry, Renmin University of China, Beijing, 100872, P.R. China
| | - Zhimin Xue
- Beijing Key Laboratory of Lignocellulosic Chemistry, College of Materials Science and Technology, Beijing Forestry University, Beijing, 100083, P.R. China
| | - Wenjun Chen
- Department of Chemistry, Renmin University of China, Beijing, 100872, P.R. China
| | - Yaqing Wang
- Department of Chemistry, Renmin University of China, Beijing, 100872, P.R. China
| | - Tiancheng Mu
- Department of Chemistry, Renmin University of China, Beijing, 100872, P.R. China
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35
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Abstract
Phase has emerged as an important structural parameter - in addition to composition, morphology, architecture, facet, size and dimensionality - that determines the properties and functionalities of nanomaterials. In particular, unconventional phases in nanomaterials that are unattainable in the bulk state can potentially endow nanomaterials with intriguing properties and innovative applications. Great progress has been made in the phase engineering of nanomaterials (PEN), including synthesis of nanomaterials with unconventional phases and phase transformation of nanomaterials. This Review provides an overview on the recent progress in PEN. We discuss various strategies used to synthesize nanomaterials with unconventional phases and induce phase transformation of nanomaterials, by taking noble metals and layered transition metal dichalcogenides as typical examples. Moreover, we also highlight recent advances in the preparation of amorphous nanomaterials, amorphous-crystalline and crystal phase-based hetero-nanostructures. We also provide personal perspectives on challenges and opportunities in this emerging field, including exploration of phase-dependent properties and applications, rational design of phase-based heterostructures and extension of the concept of phase engineering to a wider range of materials.
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36
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Kusada K, Wu D, Kitagawa H. New Aspects of Platinum Group Metal‐Based Solid‐Solution Alloy Nanoparticles: Binary to High‐Entropy Alloys. Chemistry 2020; 26:5105-5130. [DOI: 10.1002/chem.201903928] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 12/18/2019] [Indexed: 12/11/2022]
Affiliation(s)
- Kohei Kusada
- Division of Chemistry Graduate School of Science Kyoto University 606-8502 Kyoto Japan
| | - Dongshuang Wu
- Division of Chemistry Graduate School of Science Kyoto University 606-8502 Kyoto Japan
| | - Hiroshi Kitagawa
- Division of Chemistry Graduate School of Science Kyoto University 606-8502 Kyoto Japan
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37
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Sato K, Ito A, Tomonaga H, Kanematsu H, Wada Y, Asakura H, Hosokawa S, Tanaka T, Toriyama T, Yamamoto T, Matsumura S, Nagaoka K. Pt-Co Alloy Nanoparticles on a γ-Al 2 O 3 Support: Synergistic Effect between Isolated Electron-Rich Pt and Co for Automotive Exhaust Purification. Chempluschem 2020; 84:447-456. [PMID: 31943901 DOI: 10.1002/cplu.201800542] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 12/06/2018] [Indexed: 11/11/2022]
Abstract
There is interest in minimizing or eliminating the use of Pt in catalysts by replacing it with more widely abundant and cost-effective elements. The alloying of Pt with non-noble metals is a potential strategy for reducing Pt use because interactions between Pt and non-noble metals can modify the catalyst structure and electronic properties. Here, a γ-Al2 O3 -supported bimetallic catalyst [Pt(0.1)Co(1)/Al2 O3 ] was prepared which contained 0.1 wt % Pt and 1 wt % Co and thus featured an extremely low Pt : Co ratio (<1 : 30 mol/mol). The Pt and Co in this catalyst formed alloy nanoparticles in which isolated electron-rich Pt atoms were present on the nanoparticle surface. The activity of this Pt(0.1)Co(1)/Al2 O3 catalyst for the purification of automotive exhaust was comparable to the activities of 0.3 and 0.5 wt % Pt/γ-Al2 O3 catalysts. Electron-rich Pt and metallic Co promoted activation of NOx and oxidization of CO and hydrocarbons, respectively. This strategy of tuning the surrounding structure and electronic state of a noble metal by alloying it with an excess of a non-noble metal will enable reduced noble metal use in catalysts for exhaust purification and other environmentally important reactions.
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Affiliation(s)
- Katsutoshi Sato
- Elements Strategy Initiative for Catalysts and Batteries, Kyoto University 1-30 Goryo-Ohara, Nishikyo-ku, Kyoto, 615-8245, Japan.,Department of Integrated Science and Technology Faculty of Science and Technology, Oita University 700 Dannoharu, Oita, 870-1192, Japan
| | - Ayano Ito
- Department of Integrated Science and Technology Faculty of Science and Technology, Oita University 700 Dannoharu, Oita, 870-1192, Japan
| | - Hiroyuki Tomonaga
- Department of Integrated Science and Technology Faculty of Science and Technology, Oita University 700 Dannoharu, Oita, 870-1192, Japan
| | - Homare Kanematsu
- Department of Integrated Science and Technology Faculty of Science and Technology, Oita University 700 Dannoharu, Oita, 870-1192, Japan
| | - Yuichiro Wada
- Department of Integrated Science and Technology Faculty of Science and Technology, Oita University 700 Dannoharu, Oita, 870-1192, Japan
| | - Hiroyuki Asakura
- Elements Strategy Initiative for Catalysts and Batteries, Kyoto University 1-30 Goryo-Ohara, Nishikyo-ku, Kyoto, 615-8245, Japan.,Department of Molecular Engineering Graduate School of Engineering, Kyoto University Kyotodaigaku Katsura, Nishikyo-ku, Kyoto, 615-8510, Japan
| | - Saburo Hosokawa
- Elements Strategy Initiative for Catalysts and Batteries, Kyoto University 1-30 Goryo-Ohara, Nishikyo-ku, Kyoto, 615-8245, Japan.,Department of Molecular Engineering Graduate School of Engineering, Kyoto University Kyotodaigaku Katsura, Nishikyo-ku, Kyoto, 615-8510, Japan
| | - Tsunehiro Tanaka
- Elements Strategy Initiative for Catalysts and Batteries, Kyoto University 1-30 Goryo-Ohara, Nishikyo-ku, Kyoto, 615-8245, Japan.,Department of Molecular Engineering Graduate School of Engineering, Kyoto University Kyotodaigaku Katsura, Nishikyo-ku, Kyoto, 615-8510, Japan
| | - Takaaki Toriyama
- The Ultramicroscopy Research Center, Kyushu University Motooka 744, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Tomokazu Yamamoto
- Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University Motooka 744, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Syo Matsumura
- The Ultramicroscopy Research Center, Kyushu University Motooka 744, Nishi-ku, Fukuoka, 819-0395, Japan.,Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University Motooka 744, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Katsutoshi Nagaoka
- Elements Strategy Initiative for Catalysts and Batteries, Kyoto University 1-30 Goryo-Ohara, Nishikyo-ku, Kyoto, 615-8245, Japan.,Department of Integrated Science and Technology Faculty of Science and Technology, Oita University 700 Dannoharu, Oita, 870-1192, Japan
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38
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Xie W, Koyama M. Theoretical design of a technetium-like alloy and its catalytic properties. Chem Sci 2019; 10:5461-5469. [PMID: 31293728 PMCID: PMC6566293 DOI: 10.1039/c9sc00912d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Accepted: 04/23/2019] [Indexed: 01/28/2023] Open
Abstract
Based on the concept of density of states (DOS) engineering, we theoretically designed a pseudo-Tc material (Mo-Ru alloy) and investigated its electronic structure, phase stability and catalytic activity by using density functional theory. Through comparing the DOS shape, peak distribution, and DOS area differences between Tc and the Mo-Ru alloy, we noticed that bcc-Mo8Ru8 and hcp-Mo8Ru8 had the most similar electronic structures to Tc. The excess energies after entropy correction of hcp-Mo8Ru8 and bcc-Mo8Ru8 are stable when the temperature is up to 765 and 745 K, respectively. These results provided the possibility of pseudo-Tc alloy (hcp-Mo8Ru8 and bcc-Mo8Ru8) synthesis. Finally, according to reaction coordinate analysis, the similar catalytic activity between hcp-Mo8Ru8 and Tc have been demonstrated in CO oxidation and N2 dissociation. In N2 dissociation, Tc has a suitable ratio of transition state (TS) barrier to reaction energy which make Tc an efficient catalyst for NH3 synthesis, in addition to our designed pseudo-Tc (hcp-MoRu) because of the similar electronic structures. Our finding provides valuable insight into materials and catalyst design.
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Affiliation(s)
- Wei Xie
- INAMORI Frontier Research Center , Kyushu University , 744 Motooka, Nishi-ku , Fukuoka , 819-0395 , Japan .
| | - Michihisa Koyama
- INAMORI Frontier Research Center , Kyushu University , 744 Motooka, Nishi-ku , Fukuoka , 819-0395 , Japan .
- Graduate School of Engineering , Hiroshima University , 1-4-1 Kagamiyama, Higashi-Hiroshima , Hiroshima 739-8527 , Japan
- Global Research Center for Environment and Energy Based on Nanomaterials Science , National Institute for Materials Science , 1-1 Namiki , Tsukuba , Ibaraki 305-0044 , Japan .
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39
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Zhang Q, Kusada K, Wu D, Ogiwara N, Yamamoto T, Toriyama T, Matsumura S, Kawaguchi S, Kubota Y, Honma T, Kitagawa H. Solid-solution alloy nanoparticles of a combination of immiscible Au and Ru with a large gap of reduction potential and their enhanced oxygen evolution reaction performance. Chem Sci 2019; 10:5133-5137. [PMID: 31183065 PMCID: PMC6524567 DOI: 10.1039/c9sc00496c] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Accepted: 04/11/2019] [Indexed: 01/01/2023] Open
Abstract
Au and Ru are elements that are immiscible in the bulk state and have the largest gap in reduction potential among noble metals. Here, for the first time, Au x Ru1-x solid-solution alloy nanoparticles (NPs) were successfully synthesized over the whole composition range through a chemical reduction method. Powder X-ray diffraction and scanning transmission electron microscopy coupled with energy-dispersive X-ray spectroscopy showed that Au and Ru atoms are homogeneously mixed at the atomic level. We investigated the catalytic performance of Au x Ru1-x NPs for the oxygen evolution reaction, for which Ru is well known to be one of the best monometallic catalysts, and we found that even alloying with a small amount of Au could significantly enhance the catalytic performance.
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Affiliation(s)
- Quan Zhang
- Division of Chemistry , Graduate School of Science , Kyoto University , Kitashirakawa- Oiwakecho, Sakyo-ku , Kyoto 606-8502 , Japan . ;
| | - Kohei Kusada
- Division of Chemistry , Graduate School of Science , Kyoto University , Kitashirakawa- Oiwakecho, Sakyo-ku , Kyoto 606-8502 , Japan . ;
| | - Dongshuang Wu
- Division of Chemistry , Graduate School of Science , Kyoto University , Kitashirakawa- Oiwakecho, Sakyo-ku , Kyoto 606-8502 , Japan . ;
| | - Naoki Ogiwara
- Division of Chemistry , Graduate School of Science , Kyoto University , Kitashirakawa- Oiwakecho, Sakyo-ku , Kyoto 606-8502 , Japan . ;
| | - Tomokazu Yamamoto
- Department of Applied Quantum Physics and Nuclear Engineering , Kyushu University , 744 Motooka, Nishi-ku , Fukuoka 819-0395 , Japan
- The Ultramicroscopy Research Center , Kyushu University , Motooka 744, Nishi-ku , Fukuoka 819-0395 , Japan
| | - Takaaki Toriyama
- The Ultramicroscopy Research Center , Kyushu University , Motooka 744, Nishi-ku , Fukuoka 819-0395 , Japan
| | - Syo Matsumura
- Department of Applied Quantum Physics and Nuclear Engineering , Kyushu University , 744 Motooka, Nishi-ku , Fukuoka 819-0395 , Japan
- The Ultramicroscopy Research Center , Kyushu University , Motooka 744, Nishi-ku , Fukuoka 819-0395 , Japan
- INAMORI Frontier Research Center , Kyushu University , Motooka 744, Nishi-ku , Fukuoka 819-0395 , Japan
| | - Shogo Kawaguchi
- Japan Synchrotron Radiation Research Insitute (JASRI) , SPring-8, 1-1-1 Kouto, Sayo-cho, Sayo-gun , Hyogo 679-5198 , Japan
| | - Yoshiki Kubota
- Department of Physical Science , Graduate School of Science , Osaka Prefecture University , 1-1 Gakuen-cho, Naka-ku, Sakai , Osaka 599-8531 , Japan
| | - Tetsuo Honma
- Japan Synchrotron Radiation Research Insitute (JASRI) , SPring-8, 1-1-1 Kouto, Sayo-cho, Sayo-gun , Hyogo 679-5198 , Japan
| | - Hiroshi Kitagawa
- Division of Chemistry , Graduate School of Science , Kyoto University , Kitashirakawa- Oiwakecho, Sakyo-ku , Kyoto 606-8502 , Japan . ;
- INAMORI Frontier Research Center , Kyushu University , Motooka 744, Nishi-ku , Fukuoka 819-0395 , Japan
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40
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Dekura S, Kobayashi H, Kusada K, Kitagawa H. Hydrogen in Palladium and Storage Properties of Related Nanomaterials: Size, Shape, Alloying, and Metal-Organic Framework Coating Effects. Chemphyschem 2019; 20:1158-1176. [PMID: 30887646 DOI: 10.1002/cphc.201900109] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Indexed: 11/07/2022]
Abstract
One of the key issues for an upcoming hydrogen energy-based society is to develop highly efficient hydrogen-storage materials. Among the many hydrogen-storage materials reported, transition-metal hydrides can reversibly absorb and desorb hydrogen, and have thus attracted much interest from fundamental science to applications. In particular, the Pd-H system is a simple and classical metal-hydrogen system, providing a platform suitable for a thorough understanding of ways of controlling the hydrogen-storage properties of materials. By contrast, metal nanoparticles have been recently studied for hydrogen storage because of their unique properties and the degrees of freedom which cannot be observed in bulk, i. e., the size, shape, alloying, and surface coating. In this review, we overview the effects of such degrees of freedom on the hydrogen-storage properties of Pd-related nanomaterials, based on the fundamental science of bulk Pd-H. We shall show that sufficiently understanding the nature of the interaction between hydrogen and host materials enables us to control the hydrogen-storage properties though the electronic-structure control of materials.
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Affiliation(s)
- Shun Dekura
- Division of Chemistry, Graduate School of Science, Kyoto University Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto, 606-8502, Japan.,Current address: Institute for Solid State Physics, The University of Tokyo 5-1-5 Kashiwanoha, Kashiwa, Chiba, 277-8581, Japan
| | - Hirokazu Kobayashi
- Division of Chemistry, Graduate School of Science, Kyoto University Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto, 606-8502, Japan.,Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST) Honcho 4-1-8, Kawaguchi, Saitama, 332-0012, Japan
| | - Kohei Kusada
- Division of Chemistry, Graduate School of Science, Kyoto University Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto, 606-8502, Japan
| | - Hiroshi Kitagawa
- Division of Chemistry, Graduate School of Science, Kyoto University Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto, 606-8502, Japan.,Inamori Frontier Research Center, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan.,Institute for Integrated Cell-Material Sciences (iCeMS), Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan
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41
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Yamazoe S, Tsukuda T. X-ray Absorption Spectroscopy on Atomically Precise Metal Clusters. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2019. [DOI: 10.1246/bcsj.20180282] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Seiji Yamazoe
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
- Elements Strategy Initiative for Catalysts and Batteries (ESICB), Kyoto University, Katsura, Kyoto 615-8520, Japan
- Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency, 7 Gobancho, Chiyoda-ku, Tokyo 102-0076, Japan
| | - Tatsuya Tsukuda
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
- Elements Strategy Initiative for Catalysts and Batteries (ESICB), Kyoto University, Katsura, Kyoto 615-8520, Japan
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42
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Probing the surface sensitivity of dimethyl ether oxidation on epitaxially-grown PtRh(1 0 0) alloys: Insights into the challenge of improving on Pt(1 0 0). J Catal 2019. [DOI: 10.1016/j.jcat.2018.11.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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43
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Huang B, Kobayashi H, Yamamoto T, Toriyama T, Matsumura S, Nishida Y, Sato K, Nagaoka K, Haneda M, Xie W, Nanba Y, Koyama M, Wang F, Kawaguchi S, Kubota Y, Kitagawa H. A CO Adsorption Site Change Induced by Copper Substitution in a Ruthenium Catalyst for Enhanced CO Oxidation Activity. Angew Chem Int Ed Engl 2018; 58:2230-2235. [PMID: 30517769 DOI: 10.1002/anie.201812325] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Indexed: 01/08/2023]
Abstract
Ru is an important catalyst in many types of reactions. Specifically, Ru is well known as the best monometallic catalyst for oxidation of carbon monoxide (CO) and has been practically used in residential fuel cell systems. However, Ru is a minor metal, and the supply risk often causes violent fluctuations in the price of Ru. Performance-improved and cost-reduced solid-solution alloy nanoparticles of the Cu-Ru system for CO oxidation are now presented. Over the whole composition range, all of the Cux Ru1-x nanoparticles exhibit significantly enhanced CO oxidation activities, even at 70 at % of inexpensive Cu, compared to Ru nanoparticles. Only 5 at % replacement of Ru with Cu provided much better CO oxidation activity, and the maximum activity was achieved by 20 at % replacement of Ru by Cu. The origin of the high catalytic performance was found as CO site change by Cu substitution, which was investigated using in situ Fourier transform infrared spectra and theoretical calculations.
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Affiliation(s)
- Bo Huang
- Division of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto, 606-8502, Japan
| | - Hirokazu Kobayashi
- Division of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto, 606-8502, Japan.,JST, PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan
| | - Tomokazu Yamamoto
- Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University, Motooka 744, Nishi-ku, Fukuoka, 819-0395, Japan.,The Ultramicroscopy Research Center, Kyushu University, Motooka 744, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Takaaki Toriyama
- The Ultramicroscopy Research Center, Kyushu University, Motooka 744, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Syo Matsumura
- Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University, Motooka 744, Nishi-ku, Fukuoka, 819-0395, Japan.,The Ultramicroscopy Research Center, Kyushu University, Motooka 744, Nishi-ku, Fukuoka, 819-0395, Japan.,INAMORI Frontier Research Center, Kyushu University, Motooka 744, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Yoshihide Nishida
- Department of Integrated Science and Technology, Faculty of Science and Technology, Oita University, 700 Danno-haru, Oita, 870-1192, Japan
| | - Katsutoshi Sato
- Department of Integrated Science and Technology, Faculty of Science and Technology, Oita University, 700 Danno-haru, Oita, 870-1192, Japan.,Elements Strategy Initiative for Catalysts and Batteries, Kyoto University, 1-30 Goryo-Ohara, Nishikyo-ku, Kyoto, 615-8245, Japan
| | - Katsutoshi Nagaoka
- Department of Integrated Science and Technology, Faculty of Science and Technology, Oita University, 700 Danno-haru, Oita, 870-1192, Japan
| | - Masaaki Haneda
- Advanced Ceramics Research Center, Nagoya Institute of Technology, 10-6-29 Asahigaoka, Tajimi, Gifu, 507-0071, Japan.,Frontier Research Institute for Materials Science, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya, 465-8555, Japan
| | - Wei Xie
- INAMORI Frontier Research Center, Kyushu University, Motooka 744, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Yusuke Nanba
- INAMORI Frontier Research Center, Kyushu University, Motooka 744, Nishi-ku, Fukuoka, 819-0395, Japan.,Global Research Center for Environment and Energy Based on Nanomaterials Science, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Michihisa Koyama
- INAMORI Frontier Research Center, Kyushu University, Motooka 744, Nishi-ku, Fukuoka, 819-0395, Japan.,Global Research Center for Environment and Energy Based on Nanomaterials Science, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Fenglong Wang
- Division of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto, 606-8502, Japan.,Current address: School of Materials Science and Engineering, Shandong University, Jinan, 250061, China
| | - Shogo Kawaguchi
- Japan Synchrotron Radiation Research Institute (JASRI), SPring-8 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo, 679-5198, Japan
| | - Yoshiki Kubota
- Department of Physical Science, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka, 599-8531, Japan
| | - Hiroshi Kitagawa
- Division of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto, 606-8502, Japan.,INAMORI Frontier Research Center, Kyushu University, Motooka 744, Nishi-ku, Fukuoka, 819-0395, Japan.,Institute for Integrated Cell-Material Sciences (iCeMS), Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan
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44
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Huang B, Kobayashi H, Yamamoto T, Toriyama T, Matsumura S, Nishida Y, Sato K, Nagaoka K, Haneda M, Xie W, Nanba Y, Koyama M, Wang F, Kawaguchi S, Kubota Y, Kitagawa H. A CO Adsorption Site Change Induced by Copper Substitution in a Ruthenium Catalyst for Enhanced CO Oxidation Activity. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201812325] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Bo Huang
- Division of Chemistry Graduate School of Science Kyoto University Kitashirakawa-Oiwakecho, Sakyo-ku Kyoto 606-8502 Japan
| | - Hirokazu Kobayashi
- Division of Chemistry Graduate School of Science Kyoto University Kitashirakawa-Oiwakecho, Sakyo-ku Kyoto 606-8502 Japan
- JST PRESTO 4-1-8 Honcho Kawaguchi Saitama 332-0012 Japan
| | - Tomokazu Yamamoto
- Department of Applied Quantum Physics and Nuclear Engineering Kyushu University Motooka 744 Nishi-ku Fukuoka 819-0395 Japan
- The Ultramicroscopy Research Center Kyushu University Motooka 744 Nishi-ku Fukuoka 819-0395 Japan
| | - Takaaki Toriyama
- The Ultramicroscopy Research Center Kyushu University Motooka 744 Nishi-ku Fukuoka 819-0395 Japan
| | - Syo Matsumura
- Department of Applied Quantum Physics and Nuclear Engineering Kyushu University Motooka 744 Nishi-ku Fukuoka 819-0395 Japan
- The Ultramicroscopy Research Center Kyushu University Motooka 744 Nishi-ku Fukuoka 819-0395 Japan
- INAMORI Frontier Research Center Kyushu University Motooka 744 Nishi-ku Fukuoka 819-0395 Japan
| | - Yoshihide Nishida
- Department of Integrated Science and Technology Faculty of Science and Technology Oita University 700 Danno-haru Oita 870-1192 Japan
| | - Katsutoshi Sato
- Department of Integrated Science and Technology Faculty of Science and Technology Oita University 700 Danno-haru Oita 870-1192 Japan
- Elements Strategy Initiative for Catalysts and Batteries Kyoto University 1–30 Goryo-Ohara, Nishikyo-ku Kyoto 615-8245 Japan
| | - Katsutoshi Nagaoka
- Department of Integrated Science and Technology Faculty of Science and Technology Oita University 700 Danno-haru Oita 870-1192 Japan
| | - Masaaki Haneda
- Advanced Ceramics Research Center Nagoya Institute of Technology 10-6-29 Asahigaoka, Tajimi Gifu 507-0071 Japan
- Frontier Research Institute for Materials Science Nagoya Institute of Technology Gokiso-cho, Showa-ku Nagoya 465-8555 Japan
| | - Wei Xie
- INAMORI Frontier Research Center Kyushu University Motooka 744 Nishi-ku Fukuoka 819-0395 Japan
| | - Yusuke Nanba
- INAMORI Frontier Research Center Kyushu University Motooka 744 Nishi-ku Fukuoka 819-0395 Japan
- Global Research Center for Environment and Energy Based on Nanomaterials Science National Institute for Materials Science (NIMS) 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Michihisa Koyama
- INAMORI Frontier Research Center Kyushu University Motooka 744 Nishi-ku Fukuoka 819-0395 Japan
- Global Research Center for Environment and Energy Based on Nanomaterials Science National Institute for Materials Science (NIMS) 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Fenglong Wang
- Division of Chemistry Graduate School of Science Kyoto University Kitashirakawa-Oiwakecho, Sakyo-ku Kyoto 606-8502 Japan
- Current address: School of Materials Science and Engineering Shandong University Jinan 250061 China
| | - Shogo Kawaguchi
- Japan Synchrotron Radiation Research Institute (JASRI) SPring-8 1-1-1 Kouto, Sayo-cho, Sayo-gun Hyogo 679-5198 Japan
| | - Yoshiki Kubota
- Department of Physical Science Graduate School of Science Osaka Prefecture University Sakai Osaka 599-8531 Japan
| | - Hiroshi Kitagawa
- Division of Chemistry Graduate School of Science Kyoto University Kitashirakawa-Oiwakecho, Sakyo-ku Kyoto 606-8502 Japan
- INAMORI Frontier Research Center Kyushu University Motooka 744 Nishi-ku Fukuoka 819-0395 Japan
- Institute for Integrated Cell-Material Sciences (iCeMS) Kyoto University Yoshida Sakyo-ku Kyoto 606-8501 Japan
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45
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Kusada K, Wu D, Yamamoto T, Toriyama T, Matsumura S, Xie W, Koyama M, Kawaguchi S, Kubota Y, Kitagawa H. Emergence of high ORR activity through controlling local density-of-states by alloying immiscible Au and Ir. Chem Sci 2018; 10:652-656. [PMID: 30774865 PMCID: PMC6349063 DOI: 10.1039/c8sc04135k] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Accepted: 11/26/2018] [Indexed: 11/21/2022] Open
Abstract
Although Ir or Au is not active for ORR, we first demonstrate highly active Au0.5Ir0.5 alloy by emulating Pt LDOS profile.
The electronic structure of surface atoms has a great effect on catalytic activity because the binding energy of reactants is closely related to the electronic structure. Therefore, designing and controlling the local density of states (LDOS) of the catalyst surface would be a rational way to develop innovative catalysts. Herein, we first demonstrate a highly active AuIr solid-solution alloy electrocatalyst for the oxygen reduction reaction (ORR) by emulating the Pt LDOS profile. The calculated LDOS of Ir atoms on the Au0.5Ir0.5(111) surface closely resembled that of Pt(111), resulting in suitable oxygen adsorption energy on the alloy surface for the ORR. We successfully synthesized AuIr solid-solution alloys, while Ir and Au are immiscible even above their melting points in the bulk state. Although monometallic Ir or Au is not active for the ORR, the synthesized Au0.5Ir0.5 alloy demonstrated comparable activity to Pt at 0.9 V versus a reversible hydrogen electrode.
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Affiliation(s)
- Kohei Kusada
- Division of Chemistry , Graduate School of Science , Kyoto University , Kitashirakawa Oiwake-cho, Sakyo-ku , Kyoto 606-8502 , Japan . ;
| | - Dongshuang Wu
- Division of Chemistry , Graduate School of Science , Kyoto University , Kitashirakawa Oiwake-cho, Sakyo-ku , Kyoto 606-8502 , Japan . ;
| | - Tomokazu Yamamoto
- Department of Applied Quantum Physics and Nuclear Engineering , Kyushu University , 744 Motooka, Nishi-ku , Fukuoka 819-0395 , Japan
| | - Takaaki Toriyama
- The Ultramicroscopy Research Center , Kyushu University , 744 Motooka, Nishi-ku , Fukuoka 819-0395 , Japan
| | - Syo Matsumura
- Department of Applied Quantum Physics and Nuclear Engineering , Kyushu University , 744 Motooka, Nishi-ku , Fukuoka 819-0395 , Japan.,The Ultramicroscopy Research Center , Kyushu University , 744 Motooka, Nishi-ku , Fukuoka 819-0395 , Japan.,INAMORI Frontier Research Center , Kyushu University , 744 Motooka, Nishi-ku , Fukuoka 819-3095 , Japan
| | - Wei Xie
- INAMORI Frontier Research Center , Kyushu University , 744 Motooka, Nishi-ku , Fukuoka 819-3095 , Japan
| | - Michihisa Koyama
- INAMORI Frontier Research Center , Kyushu University , 744 Motooka, Nishi-ku , Fukuoka 819-3095 , Japan.,GREEN , National Institute for Materials Science , 1-1 Namiki , Tsukuba , Ibaraki 305-0044 , Japan .
| | - Shogo Kawaguchi
- Japan Synchrotron Radiation Research Institute (JASRI) SPring-8 , 1-1-1 Kouto, Sayo-cho, Sayo-gun , Hyogo 679-5198 , Japan
| | - Yoshiki Kubota
- Department of Physical Science , Graduate School of Science , Osaka Prefecture University , 1-1 Gakuen-cho, Naka-ku, Sakai , Osaka 599-8531 , Japan
| | - Hiroshi Kitagawa
- Division of Chemistry , Graduate School of Science , Kyoto University , Kitashirakawa Oiwake-cho, Sakyo-ku , Kyoto 606-8502 , Japan . ; .,INAMORI Frontier Research Center , Kyushu University , 744 Motooka, Nishi-ku , Fukuoka 819-3095 , Japan
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46
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Vedyagin AA, Shubin YV, Kenzhin RM, Plyusnin PE, Stoyanovskii VO, Volodin AM. Prospect of Using Nanoalloys of Partly Miscible Rhodium and Palladium in Three-Way Catalysis. Top Catal 2018. [DOI: 10.1007/s11244-018-1093-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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47
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Park J, Kwon T, Kim J, Jin H, Kim HY, Kim B, Joo SH, Lee K. Hollow nanoparticles as emerging electrocatalysts for renewable energy conversion reactions. Chem Soc Rev 2018; 47:8173-8202. [PMID: 30009297 DOI: 10.1039/c8cs00336j] [Citation(s) in RCA: 110] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
While the realization of clean and sustainable energy conversion systems primarily requires the development of highly efficient catalysts, one of the main issues had been designing the structure of the catalysts to fulfill minimum cost as well as maximum performance. Until now, noble metal-based nanocatalysts had shown outstanding performances toward the oxygen reduction reaction (ORR), oxygen evolution reaction (OER), and hydrogen evolution reaction (HER). However, the scarcity and high cost of them impeded their practical use. Recently, hollow nanostructures including nanocages and nanoframes had emerged as a burgeoning class of promising electrocatalysts. The hollow nanostructures could expose a high proportion of active surfaces while saving the amounts of expensive noble metals. In this review, we introduced recent advances in the synthetic methodologies for generating noble metal-based hollow nanostructures based on thermodynamic and kinetic approaches. We summarized electrocatalytic applications of hollow nanostructures toward the ORR, OER, and HER. We next provided strategies that could endow structural robustness to the flimsy structural nature of hollow structures. Finally, we concluded this review with perspectives to facilitate the development of hollow nanostructure-based catalysts for energy applications.
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Affiliation(s)
- Jongsik Park
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea.
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48
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Guo M, Peng J, Yang Q, Li C. Highly Active and Selective RuPd Bimetallic NPs for the Cleavage of the Diphenyl Ether C–O Bond. ACS Catal 2018. [DOI: 10.1021/acscatal.8b03253] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Miao Guo
- State Key Laboratory of Catalysis, iChEM, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing 100039, People’s Republic of China
| | - Juan Peng
- State Key Laboratory of Catalysis, iChEM, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing 100039, People’s Republic of China
| | - Qihua Yang
- State Key Laboratory of Catalysis, iChEM, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
| | - Can Li
- State Key Laboratory of Catalysis, iChEM, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
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49
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Tsukamoto T, Kambe T, Nakao A, Imaoka T, Yamamoto K. Atom-hybridization for synthesis of polymetallic clusters. Nat Commun 2018; 9:3873. [PMID: 30250189 PMCID: PMC6155219 DOI: 10.1038/s41467-018-06422-8] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Accepted: 09/04/2018] [Indexed: 12/23/2022] Open
Abstract
The chemistry of metal clusters on the sub-nanometer scale is not yet well understood because metal clusters, especially multimetallic clusters, are difficult to synthesize with control over size and composition. The template synthesis of multimetallic sub-nanoclusters is achieved using a phenylazomethine dendrimer as a macromolecular template. Its intramolecular potential gradient allows the precise uptake of metal precursor complexes containing up to eight elements on the template. The usefulness of this method is demonstrated by synthesizing multimetallic sub-nanoclusters composed of five elements (Ga1In1Au3Bi2Sn6). The size and composition of this cluster can be precisely controlled and the metals involved are alloyed with each other. This approach provides the ability to easily blend different metals in various combinations to create new materials on the sub-nanometer scale, which will lead to the development of a new area in the field of chemistry. Multimetallic clusters are difficult to synthesize with control over elemental composition and organization. Here, the authors use dendrimers to precisely template the formation of five-element sub-nanoclusters, providing an elegant route to otherwise-inaccessible multinary compounds.
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Affiliation(s)
- Takamasa Tsukamoto
- JST-ERATO, Yamamoto Atom Hybrid Project, Institute of Innovative Research, Tokyo Institute of Technology, Yokohama, 226-8503, Japan
| | - Tetsuya Kambe
- JST-ERATO, Yamamoto Atom Hybrid Project, Institute of Innovative Research, Tokyo Institute of Technology, Yokohama, 226-8503, Japan.,Laboratory for Chemistry and Life Science, Tokyo Institute of Technology, Yokohama, 226-8503, Japan
| | - Aiko Nakao
- RIKEN, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan
| | - Takane Imaoka
- JST-ERATO, Yamamoto Atom Hybrid Project, Institute of Innovative Research, Tokyo Institute of Technology, Yokohama, 226-8503, Japan.,Laboratory for Chemistry and Life Science, Tokyo Institute of Technology, Yokohama, 226-8503, Japan.,JST-PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan
| | - Kimihisa Yamamoto
- JST-ERATO, Yamamoto Atom Hybrid Project, Institute of Innovative Research, Tokyo Institute of Technology, Yokohama, 226-8503, Japan. .,Laboratory for Chemistry and Life Science, Tokyo Institute of Technology, Yokohama, 226-8503, Japan.
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50
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Kobayashi H, Yamauchi M, Ikeda R, Yamamoto T, Matsumura S, Kitagawa H. Double enhancement of hydrogen storage capacity of Pd nanoparticles by 20 at% replacement with Ir; systematic control of hydrogen storage in Pd-M nanoparticles (M = Ir, Pt, Au). Chem Sci 2018; 9:5536-5540. [PMID: 30210762 PMCID: PMC6124882 DOI: 10.1039/c8sc01460d] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Accepted: 05/08/2018] [Indexed: 11/21/2022] Open
Abstract
We report on binary solid-solution nanoparticles (NPs) composed of Pd and Ir, which are not miscible at the equilibrium state of the bulk, for the first time, by means of a process of hydrogen absorption/desorption from core (Pd)/shell (Ir) NPs. Only 20 at% replacement with Ir atoms doubled the hydrogen-storage capability compared to Pd NPs, which are a representative hydrogen-storage material. Furthermore, the systematic control of hydrogen concentrations and the corresponding pressure in Pd and Pd-M NPs (M = Ir, Pt, Au) have been achieved based on the band filling control of Pd NPs.
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Affiliation(s)
- Hirokazu Kobayashi
- Division of Chemistry , Graduate School of Science , Kyoto University , Kitashirakawa-Oiwakecho, Sakyo-ku , Kyoto , 606-8502 , Japan . ;
- JST , PRESTO, 4-1-8 Honcho, Kawaguchi , Saitama , 332-0012 , Japan
| | - Miho Yamauchi
- International Institute for Carbon-Neutral Energy Research (I2CNER) , Kyushu University , 744 Motooka, Nishi-ku , Fukuoka , 819-0395 , Japan
| | - Ryuichi Ikeda
- Division of Chemistry , Graduate School of Science , Kyoto University , Kitashirakawa-Oiwakecho, Sakyo-ku , Kyoto , 606-8502 , Japan . ;
| | - Tomokazu Yamamoto
- Department of Applied Quantum Physics and Nuclear Engineering , Graduate School of Engineering , Kyushu University , Motooka 744, Nishi-ku , Fukuoka , 819-0395 , Japan
- The Ultramicroscopy Research Center , Kyushu University , Motooka 744, Nishi-ku , Fukuoka , 819-0395 , Japan
| | - Syo Matsumura
- Department of Applied Quantum Physics and Nuclear Engineering , Graduate School of Engineering , Kyushu University , Motooka 744, Nishi-ku , Fukuoka , 819-0395 , Japan
- The Ultramicroscopy Research Center , Kyushu University , Motooka 744, Nishi-ku , Fukuoka , 819-0395 , Japan
- Inamori Frontier Research Center , Kyushu University , 744 Motooka, Nishi-ku , Fukuoka , 819-0395 , Japan
| | - Hiroshi Kitagawa
- Division of Chemistry , Graduate School of Science , Kyoto University , Kitashirakawa-Oiwakecho, Sakyo-ku , Kyoto , 606-8502 , Japan . ;
- Inamori Frontier Research Center , Kyushu University , 744 Motooka, Nishi-ku , Fukuoka , 819-0395 , Japan
- Institute for Integrated Cell-Material Sciences (iCeMS) , Kyoto University , Yoshida, Sakyo-ku , Kyoto , 606-8501 , Japan
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