1
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Zhang T, Jiang Z, Rappe AM. Hydrogenation of Covalent Organic Framework Induces Conjugated π Bonds and Electronic Topological Transition to Enhance Hydrogen Evolution Catalysis. J Am Chem Soc 2024; 146:15488-15495. [PMID: 38776284 DOI: 10.1021/jacs.4c03973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/24/2024]
Abstract
Recently, many topological materials have been discovered as promising electrocatalysts in chemical conversion processes and energy storage. However, it remains unclear how the topological electronic states specifically modulate the catalytic reaction. Here, the two-dimensional metal phthalocyanine-based covalent organic framework (MPc-COF) is studied by ab initio thermodynamic calculations to clearly reveal the promotional effect on the electrochemical hydrogen evolution reaction (HER) induced by topological gapless bands (TGBs). We find that the prehydrogenated (and fluorinated) H4CdPc-COF(F) shows the best HER performance, with 0.016 V (near zero) overpotential. By tracking changes to the electronic structure and free energy as the prehydrogenation and HER processes occur, we are able to separately attribute the high HER efficiency in part due to the increase of the electron bath by donating electrons to the conjugated π bonds and also to the existence of TGBs. Specifically, the significant catalytic promotion by TGBs is proven to decrease the free energy by 0.218 eV to near zero. When the TGBs are destroyed, e.g., by replacing N with P and opening a band gap, the HER efficiency is reduced. This study opens avenues for deterministically harnessing topological band features to improve electrocatalysis.
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Affiliation(s)
- Tan Zhang
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Zhen Jiang
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Andrew M Rappe
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
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2
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Liu R, Zhang R, Dong X, Chen S, Zhang L, Shi T, Yuan J, Hedin N, Chen G. Chirality Transfer of Glycopeptide across Scales Defined by the Continuity of Hydrogen Bonds. ACS NANO 2024; 18:14367-14376. [PMID: 38767458 DOI: 10.1021/acsnano.4c00468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
In nature, chirality transfer refines biomolecules across all size scales, bestowing them with a myriad of sophisticated functions. Despite recent advances in replicating chirality transfer with biotic or abiotic building blocks, a molecular understanding of the underlying mechanism of chirality transfer remains a daunting challenge. In this paper, the coassembly of two types of glycopeptide molecules differing in capability of forming intermolecular hydrogen bonds enabled the involvement of discontinuous hydrogen bond, which allowed for a nanoscale chirality transfer from glycopeptide molecules to chiral micelles, yet inhibited the micrometer scale chirality transfer toward helix formation, leading to an achiral transfer from chiral micelles to planar monolayer. Upon stacking the monolayer into a bilayer, the nonsuperimposable front and back faces of the chiral micelles involved in the monolayer ribbons lead to the opposite rotation of two layers toward increasing the continuity of H-bonds. The resultant continuity triggered the symmetry breaking of stacked bilayers and thus reactivated the micrometer-scale chirality transfer toward the final helix. This work delineates a promising step toward a better understanding and replicating the naturally occurring chirality transfer events and will be instructive to future chiral material design.
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Affiliation(s)
- Rongying Liu
- The State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200433, P.R. China
- Department of Materials and Environmental Chemistry, Stockholm University, Stockholm SE-10691, Sweden
| | - Ran Zhang
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P.R. China
| | - Xiaoduo Dong
- The State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200433, P.R. China
| | - Shuyu Chen
- MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, School of Physics, Xi'an Jiaotong University, Xi'an 710049, P.R. China
| | - Lei Zhang
- MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, School of Physics, Xi'an Jiaotong University, Xi'an 710049, P.R. China
| | - Tongfei Shi
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P.R. China
| | - Jiayin Yuan
- Department of Materials and Environmental Chemistry, Stockholm University, Stockholm SE-10691, Sweden
| | - Niklas Hedin
- Department of Materials and Environmental Chemistry, Stockholm University, Stockholm SE-10691, Sweden
| | - Guosong Chen
- The State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200433, P.R. China
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3
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Liu L, Miotkowski I, Zemlyanov D, Chen YP. Transition metals of Pt and Pd on the surface of topological insulator Bi2Se3. J Chem Phys 2024; 160:141101. [PMID: 38587221 DOI: 10.1063/5.0191941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Accepted: 03/22/2024] [Indexed: 04/09/2024] Open
Abstract
Transition metal catalysts supported on topological insulators are predicted to show improved catalytic properties due to the presence of topological surface states, which may float up to the catalysts and provide robust electron transfer. However, experimental studies of surface structures and corresponding catalytic properties of transition metal/topological insulator heterostructures have not been demonstrated so far. Here, we report the structures, chemical states, and adsorption behaviors of two conventional transition metal catalysts, Pt and Pd, on the surface of Bi2Se3, a common topological insulator material. We reveal that Pt forms nanoparticles on the Bi2Se3 surface. Moreover, the interaction between Pt and surface Se is observed. Furthermore, thermal dosing of O2 onto the Pt/Bi2Se3 heterostructure leads to no oxygen adsorption. Detailed scanning tunneling microscopy study indicates that Pt transforms into PtSe2 after the thermal process, thus preventing O2 from adsorption. For another transition metal Pd, it exhibits approximate layer-island growth on Bi2Se3, and Pd-Se interaction is also observed. Our work provides significant insights into the behaviors of transition metals on top of a common topological insulator material and will assist in the future design of catalysts built with topological materials.
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Affiliation(s)
- Lina Liu
- Department of Physics and Astronomy, Purdue University, West Lafayette, Indiana 47907, USA
- Institute of Physics and Astronomy and Villum Center for Hybrid Quantum Materials and Devices, Aarhus University, 8000 Aarhus-C, Denmark
- Birck Nanotechnology Center, Purdue University, West Lafayette, Indiana 47907, USA
| | - Ireneusz Miotkowski
- Department of Physics and Astronomy, Purdue University, West Lafayette, Indiana 47907, USA
| | - Dmitry Zemlyanov
- Birck Nanotechnology Center, Purdue University, West Lafayette, Indiana 47907, USA
| | - Yong P Chen
- Department of Physics and Astronomy, Purdue University, West Lafayette, Indiana 47907, USA
- Institute of Physics and Astronomy and Villum Center for Hybrid Quantum Materials and Devices, Aarhus University, 8000 Aarhus-C, Denmark
- Birck Nanotechnology Center, Purdue University, West Lafayette, Indiana 47907, USA
- Purdue Quantum Science and Engineering Institute and School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana 47907, USA
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4
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Zhang Y, Ma Y, Sun W, Li W, Li G. Structural and Electronic Chirality in Inorganic Crystals: from Construction to Application. Chemistry 2024:e202400436. [PMID: 38571318 DOI: 10.1002/chem.202400436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 03/31/2024] [Accepted: 04/03/2024] [Indexed: 04/05/2024]
Abstract
Chirality represents a fundamental characteristic inherent in nature, playing a pivotal role in the emergence of homochirality and the origin of life. While the principles of chirality in organic chemistry are well-documented, the exploration of chirality within inorganic crystal structures continues to evolve. This ongoing development is primarily due to the diverse nature of crystal/amorphous structures in inorganic materials, along with the intricate symmetrical and asymmetrical relationships in the geometry of their constituent atoms. In this review, we commence with a summary of the foundational concept of chirality in molecules and solid states matters. This is followed by an introduction of structural chirality and electronic chirality in three-dimensional and two-dimensional inorganic materials. The construction of chirality in inorganic materials is classified into physical photolithography, wet-chemistry method, self-assembly, and chiral imprinting. Highlighting the significance of this field, we also summarize the research progress of chiral inorganic materials for applications in optical activity, enantiomeric recognition and chiral sensing, selective adsorption and enantioselective separation, asymmetric synthesis and catalysis, and chirality-induced spin polarization. This review aims to provide a reference for ongoing research in chiral inorganic materials and potentially stimulate innovative strategies and novel applications in the realm of chirality.
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Affiliation(s)
- Yudi Zhang
- CAS Key Laboratory of Magnetic Materials and Devices, and Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
- University of Chinese Academy of Sciences, 19 A Yuquan Rd, Shijingshan District, Beijing, 100049, China
| | - Yuzhe Ma
- CAS Key Laboratory of Magnetic Materials and Devices, and Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
- University of Chinese Academy of Sciences, 19 A Yuquan Rd, Shijingshan District, Beijing, 100049, China
| | - Wen Sun
- CAS Key Laboratory of Magnetic Materials and Devices, and Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
- University of Chinese Academy of Sciences, 19 A Yuquan Rd, Shijingshan District, Beijing, 100049, China
| | - Wei Li
- CISRI & NIMTE Joint Innovation Center for Rare Earth Permanent Magnets, Chinese Academy of Sciences, Ningbo Institute of Material Technology and Engineering, Ningbo, 315201, China
| | - Guowei Li
- CAS Key Laboratory of Magnetic Materials and Devices, and Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
- University of Chinese Academy of Sciences, 19 A Yuquan Rd, Shijingshan District, Beijing, 100049, China
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5
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Weng G, Laderer W, Alexandrova AN. Understanding the Adiabatic Evolution of Surface States in Tetradymite Topological Insulators under Electrochemical Conditions. J Phys Chem Lett 2024:2732-2739. [PMID: 38436223 DOI: 10.1021/acs.jpclett.4c00064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2024]
Abstract
Nontrivial surface states in topological materials have emerged as exciting targets for surface chemistry research. In particular, topological insulators have been used as electrodes in electrocatalytic reactions. Herein, we investigate the robustness of the topological surface states and band topology under electrochemical conditions, specifically in the presence of an electric double layer. First-principles band structure calculations are performed on the electrified (111) surfaces of Bi2Te3, Bi2Se3, and Sb2Te3 using an implicit electrolyte model. Our results demonstrate the adiabatic evolution of the surface states upon surface charging. Under oxidizing potentials, the surface states are shifted upward in energy, preserving the Dirac point on the surface and the band inversion in the bulk. Conversely, under reduced potentials, hybridization is observed between the surface and bulk states, suggesting a likely breakdown of topological protection. The position of the Fermi level, which dictates the working states in catalytic reactions, should ideally be confined within the bulk bandgap. This requirement defines a potential window for the effective application of topological electrocatalysis.
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Affiliation(s)
- Guorong Weng
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - William Laderer
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Anastassia N Alexandrova
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095, United States
- Center for Quantum Science and Engineering, University of California, Los Angeles, Los Angeles, California 90095, United States
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6
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Poudel MB, Logeshwaran N, Prabhakaran S, Kim AR, Kim DH, Yoo DJ. Low-Cost Hydrogen Production from Alkaline/Seawater over a Single-Step Synthesis of Mo 3 Se 4 -NiSe Core-Shell Nanowire Arrays. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2305813. [PMID: 37855237 DOI: 10.1002/adma.202305813] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 09/27/2023] [Indexed: 10/20/2023]
Abstract
The rational design and steering of earth-abundant, efficient, and stable electrocatalysts for hydrogen generation is highly desirable but challenging with catalysts free of platinum group metals (PGMs). Mass production of high-purity hydrogen fuel from seawater electrolysis presents a transformative technology for sustainable alternatives. Here, a heterostructure of molybdenum selenide-nickel selenide (Mo3 Se4 -NiSe) core-shell nanowire arrays constructed on nickel foam by a single-step in situ hydrothermal process is reported. This tiered structure provides improved intrinsic activity and high electrical conductivity for efficient charge transfer and endows excellent hydrogen evolution reaction (HER) activity in alkaline and natural seawater conditions. The Mo3 Se4 -NiSe freestanding electrodes require small overpotentials of 84.4 and 166 mV to reach a current density of 10 mA cm-2 in alkaline and natural seawater electrolytes, respectively. It maintains an impressive balance between electrocatalytic activity and stability. Experimental and theoretical calculations reveal that the Mo3 Se4 -NiSe interface provides abundant active sites for the HER process, which modulate the binding energies of adsorbed species and decrease the energetic barrier, providing a new route to design state-of-the-art, PGM-free catalysts for hydrogen production from alkaline and seawater electrolysis.
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Affiliation(s)
- Milan Babu Poudel
- Department of Energy Storage/Conversion Engineering (BK21 FOUR) of Graduate School, Hydrogen and Fuel Cell Research Center, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju-si, Jeollabuk-do, 54896, Republic of Korea
- Department of Life Science, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju-si, Jeollabuk-do, 54896, Republic of Korea
| | - Natarajan Logeshwaran
- Department of Energy Storage/Conversion Engineering (BK21 FOUR) of Graduate School, Hydrogen and Fuel Cell Research Center, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju-si, Jeollabuk-do, 54896, Republic of Korea
| | - Sampath Prabhakaran
- Department of Nano Convergence Engineering, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju-si, Jeollabuk-do, 54896, Republic of Korea
| | - Ae Rhan Kim
- Department of Energy Storage/Conversion Engineering (BK21 FOUR) of Graduate School, Hydrogen and Fuel Cell Research Center, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju-si, Jeollabuk-do, 54896, Republic of Korea
| | - Do Hwan Kim
- Devison of Science Education, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju-si, Jeollabuk-do, 54896, Republic of Korea
| | - Dong Jin Yoo
- Department of Energy Storage/Conversion Engineering (BK21 FOUR) of Graduate School, Hydrogen and Fuel Cell Research Center, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju-si, Jeollabuk-do, 54896, Republic of Korea
- Department of Life Science, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju-si, Jeollabuk-do, 54896, Republic of Korea
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7
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Li Z, Liu Y, He Z, Wang L, Dai X, Liu G. Monolayer Cu 2Se: a topological catalysis in CO 2electroreduction. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2024; 36:165201. [PMID: 38211322 DOI: 10.1088/1361-648x/ad1d85] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 01/11/2024] [Indexed: 01/13/2024]
Abstract
This investigation provides a comprehensive exploration into the intricate interplay between topological surface states (TSS) and catalytic performance in two-dimensional (2D) materials, with specific emphasis on monolayer Cu2Se. Leveraging the unique characteristics of nodal loop semimetals (NLSMs), we delve into the precise influence of TSS on catalytic activity, particularly in the domain of CO2electrochemical reduction. Our findings illuminate the central role played by these TSS, arising from the underlying NLSM framework, in sculpting catalytic efficiency. The length of these surface states emerges as a critical determinant of surface density of states (DOSs), a fundamental factor governing catalytic behavior. Extension of these surface states correlates with heightened surface DOSs, yielding lower Gibbs free energies and consequently enhancing catalytic performance, particularly in the electrochemical reduction of CO2. Moreover, we underscore the profound importance of preserving symmetries that protect the nodal loop. The disruption of these symmetries is found to result in a significant degradation of catalytic efficacy, underscoring the paramount significance of topological features in facilitating catalytic processes. Therefore, this study not only elucidates the fundamental role of TSS in dictating the catalytic performance of topological 2D materials but also paves the way for harnessing these unique attributes to drive sustainable and highly efficient catalysis across a diverse spectrum of chemical processes.
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Affiliation(s)
- Zihan Li
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, People's Republic of China
| | - Ying Liu
- State Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, Tianjin 300130, People's Republic of China
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, People's Republic of China
| | - Zeqing He
- State Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, Tianjin 300130, People's Republic of China
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, People's Republic of China
| | - Lirong Wang
- State Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, Tianjin 300130, People's Republic of China
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, People's Republic of China
| | - Xuefang Dai
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, People's Republic of China
| | - Guodong Liu
- State Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, Tianjin 300130, People's Republic of China
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, People's Republic of China
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8
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Lin KS, Palumbo G, Guo Z, Hwang Y, Blackburn J, Shoemaker DP, Mahmood F, Wang Z, Fiete GA, Wieder BJ, Bradlyn B. Spin-resolved topology and partial axion angles in three-dimensional insulators. Nat Commun 2024; 15:550. [PMID: 38228584 PMCID: PMC10791639 DOI: 10.1038/s41467-024-44762-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 01/04/2024] [Indexed: 01/18/2024] Open
Abstract
Symmetry-protected topological crystalline insulators (TCIs) have primarily been characterized by their gapless boundary states. However, in time-reversal- ([Formula: see text]-) invariant (helical) 3D TCIs-termed higher-order TCIs (HOTIs)-the boundary signatures can manifest as a sample-dependent network of 1D hinge states. We here introduce nested spin-resolved Wilson loops and layer constructions as tools to characterize the intrinsic bulk topological properties of spinful 3D insulators. We discover that helical HOTIs realize one of three spin-resolved phases with distinct responses that are quantitatively robust to large deformations of the bulk spin-orbital texture: 3D quantum spin Hall insulators (QSHIs), "spin-Weyl" semimetals, and [Formula: see text]-doubled axion insulator (T-DAXI) states with nontrivial partial axion angles indicative of a 3D spin-magnetoelectric bulk response and half-quantized 2D TI surface states originating from a partial parity anomaly. Using ab-initio calculations, we demonstrate that β-MoTe2 realizes a spin-Weyl state and that α-BiBr hosts both 3D QSHI and T-DAXI regimes.
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Affiliation(s)
- Kuan-Sen Lin
- Department of Physics and Institute for Condensed Matter Theory, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA.
- Kavli Institute for Theoretical Physics, University of California, Santa Barbara, CA, 93106, USA.
| | - Giandomenico Palumbo
- School of Theoretical Physics, Dublin Institute for Advanced Studies, 10 Burlington Road, Dublin, 4, Ireland
| | - Zhaopeng Guo
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, 100190, Beijing, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Yoonseok Hwang
- Department of Physics and Institute for Condensed Matter Theory, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Jeremy Blackburn
- Department of Computer Science, State University of New York at Binghamton, Binghamton, NY, 13902, USA
| | - Daniel P Shoemaker
- Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
- Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Fahad Mahmood
- Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
- Department of Physics, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Zhijun Wang
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, 100190, Beijing, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Gregory A Fiete
- Department of Physics, Northeastern University, Boston, MA, 02115, USA.
- Department of Physics, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.
| | - Benjamin J Wieder
- Department of Physics, Northeastern University, Boston, MA, 02115, USA.
- Department of Physics, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.
- Institut de Physique Théorique, Université Paris-Saclay, CEA, CNRS, F-91191, Gif-sur-Yvette, France.
| | - Barry Bradlyn
- Department of Physics and Institute for Condensed Matter Theory, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA.
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9
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Wang X, Yi C, Felser C. Chiral Quantum Materials: When Chemistry Meets Physics. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023:e2308746. [PMID: 38126622 DOI: 10.1002/adma.202308746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 12/01/2023] [Indexed: 12/23/2023]
Abstract
Chirality is a fundamental property of nature with relevance in biochemistry and physics, particularly in the field of catalysis. Understanding the mechanisms underlying chirality transfer is crucial for advancing the knowledge of chiral-related catalysis. Chiral quantum materials with intriguing chirality-dependent electronic properties, such as spin-orbital coupling (SOC) and exotic spin/orbital angular momentum (SAM/OAM), open novel avenues for linking solid-state topologies with chiral catalysis. In this review, the growth of topological homochiral crystals (THCs) is described, and their applications in heterogeneous catalysis, including hydrogen evolution reaction (HER), oxygen electrocatalysis, and asymmetric catalysis are summarized. A possible link between chirality-dependent electronic properties and heterogeneous catalysis is discussed. Finally, existing challenges in this field are highlighted, and a brief outlook on the impact of THCs on the overarching chemical-physical research is presented.
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Affiliation(s)
- Xia Wang
- Max Planck Institute for Chemical Physics of Solids, 01187, Dresden, Germany
| | - Changjiang Yi
- Max Planck Institute for Chemical Physics of Solids, 01187, Dresden, Germany
| | - Claudia Felser
- Max Planck Institute for Chemical Physics of Solids, 01187, Dresden, Germany
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10
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Sun Q, Liu J, Ji X, Chen D, Guo Y, Mao L, Qian J. Metal-organic framework derived hollow nitrogen-doped carbon sphere with cobalt phosphide in carbon nanotube for efficient oxygen evolution. J Colloid Interface Sci 2023; 652:1338-1346. [PMID: 37714748 DOI: 10.1016/j.jcis.2023.09.082] [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: 06/19/2023] [Revised: 09/08/2023] [Accepted: 09/11/2023] [Indexed: 09/17/2023]
Abstract
The sluggish kinetics of the electrocatalytic oxygen evolution reaction (OER) pose a significant challenge in the field of overall water splitting. Transition metal phosphides have emerged as promising catalysts for OER by modulating the charge distribution of surrounding atoms. In this study, we employed self-sacrificing templates to fabricate hollow N-doped carbon spheres containing small-sized Co2P embedded within carbon nanotubes through high-temperature calcination and phosphorization, referred to as HNCS-CNT-CoP. The obtained HNCS-CNT-CoP electrocatalyst exhibited excellent OER performance in an alkaline electrolyte due to the optimization of OH* adsorption energy and the large specific surface area created by the hollow structure. It demonstrated a low overpotential of 302 mV at a current density of 10 mA cm-2 and a low Tafel slope of 68.5 mV dec-1, attributed to the electron transport facilitated by the in situ formed carbon nanotubes. Furthermore, theoretical calculations revealed a suitable reaction energy (1.17 eV) in the critical formation of Co2P-*OOH for HNCS-CNT-CoP, significantly lower than the the rate-determining step of HNCS-CNT-Co (10.08 eV). These findings highlight the significance of hollow structures and Co2P-doping in the design of highly active non-noble metal OER electrocatalysts, enabling the reduction of energetic reaction barriers for future applications.
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Affiliation(s)
- Qiuhong Sun
- Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, PR China
| | - Jie Liu
- Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, PR China
| | - Xiangli Ji
- Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, PR China
| | - Dandan Chen
- Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, PR China
| | - Yuanyuan Guo
- Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, PR China
| | - Lujiao Mao
- Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, PR China
| | - Jinjie Qian
- Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, PR China.
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11
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Yang Q, Xiao J, Robredo I, Vergniory MG, Yan B, Felser C. Monopole-like orbital-momentum locking and the induced orbital transport in topological chiral semimetals. Proc Natl Acad Sci U S A 2023; 120:e2305541120. [PMID: 37983495 PMCID: PMC10691347 DOI: 10.1073/pnas.2305541120] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 10/20/2023] [Indexed: 11/22/2023] Open
Abstract
The interplay between chirality and topology nurtures many exotic electronic properties. For instance, topological chiral semimetals display multifold chiral fermions that manifest nontrivial topological charge and spin texture. They are an ideal playground for exploring chirality-driven exotic physical phenomena. In this work, we reveal a monopole-like orbital-momentum locking texture on the three-dimensional Fermi surfaces of topological chiral semimetals with B20 structures (e.g., RhSi and PdGa). This orbital texture enables a large orbital Hall effect (OHE) and a giant orbital magnetoelectric (OME) effect in the presence of current flow. Different enantiomers exhibit the same OHE which can be converted to the spin Hall effect by spin-orbit coupling in materials. In contrast, the OME effect is chirality-dependent and much larger than its spin counterpart. Our work reveals the crucial role of orbital texture for understanding OHE and OME effects in topological chiral semimetals and paves the path for applications in orbitronics, spintronics, and enantiomer recognition.
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Affiliation(s)
- Qun Yang
- Max Planck Institute for Chemical Physics of Solids, Dresden01187, Germany
- Department of Condensed Matter Physics, Weizmann Institute of Science, Rehovot7610001, Israel
| | - Jiewen Xiao
- Department of Condensed Matter Physics, Weizmann Institute of Science, Rehovot7610001, Israel
| | - Iñigo Robredo
- Max Planck Institute for Chemical Physics of Solids, Dresden01187, Germany
- Donostia International Physics Center, Donostia-San Sebastian20018, Spain
| | - Maia G. Vergniory
- Max Planck Institute for Chemical Physics of Solids, Dresden01187, Germany
- Donostia International Physics Center, Donostia-San Sebastian20018, Spain
| | - Binghai Yan
- Department of Condensed Matter Physics, Weizmann Institute of Science, Rehovot7610001, Israel
| | - Claudia Felser
- Max Planck Institute for Chemical Physics of Solids, Dresden01187, Germany
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12
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Wang L, Zhao M, Wang J, Liu Y, Liu G, Wang X, Zhang G, Zhang X. High-Performance Hydrogen Evolution Reaction Catalysts in Two-Dimensional Nodal Line Semimetals. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37879048 DOI: 10.1021/acsami.3c12316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2023]
Abstract
The discipline of topological quantum catalysts (TQCs) is developing due to the emergence of exotic quantum materials and their corresponding catalysts. Although a series of 3D TQCs with different topological signatures are proposed, the emergence of 2D TQCs in 2D topological semimetals is still rarely touched by others. As a typical example, we proposed that the 2D nodal line semimetal Cu2Si monolayer is a superior TQC for hydrogen evolution reaction (HER). Using first-principles calculations, we find that the Cu2Si monolayer exhibits two Γ-centered nodal lines (L1 and L2) in the kz = 0 plane. The Gibbs free energy (ΔGH*) of Cu2Si is as low as 0.195 eV, comparable to that of Pt, and better than other conventional catalysts. Moreover, it is found that changing the position of nodal lines (relative to the Fermi level) under different electron/hole conditions can effectively affect the catalytic activity of HER. Besides Cu2Si, the emergence of high HER performance in other 2D nodal line semimetals, Ti3C2, Cr2S3, ScCl, and CuSe, is also theoretically determined. These results highlight the critical role of nodal lines in studying electrocatalytic mechanisms for TQCs and benefit the seeking of high-performance HER catalysts without noble metals on a 2D scale.
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Affiliation(s)
- Lirong Wang
- State Key Laboratory of Reliability and Intelligence of Electrical Equipment, School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
| | - Min Zhao
- State Key Laboratory of Reliability and Intelligence of Electrical Equipment, School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
| | - Jianhua Wang
- School of Physical Science and Technology, Southwest University, Chongqing 400715, China
| | - Ying Liu
- State Key Laboratory of Reliability and Intelligence of Electrical Equipment, School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
| | - Guodong Liu
- State Key Laboratory of Reliability and Intelligence of Electrical Equipment, School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
| | - Xiaotian Wang
- School of Physical Science and Technology, Southwest University, Chongqing 400715, China
| | - Gang Zhang
- Agency for Science, Technology and Research (A*STAR), Institute of High-Performance Computing, 138632 Singapore
| | - Xiaoming Zhang
- State Key Laboratory of Reliability and Intelligence of Electrical Equipment, School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
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13
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Zhao M, Meng W, Wang L, He Z, Jin L, Liu Y, Dai X, Zhang X, Li H, Liu G. Drumhead surface states promoted hydrogen evolution reactions in type-II nodal-line topological catalyst Mg 3Bi 2. Phys Chem Chem Phys 2023; 25:26566-26574. [PMID: 37753587 DOI: 10.1039/d3cp02721j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/28/2023]
Abstract
An excellent catalyst generally meets three indicators: high electron mobility, high surface density of states and low Gibbs free energy (ΔG) [H. Luo et al. Nat. Rev. Phys., 2022, 4, 611-624]. Recent studies have confirmed that topological materials exhibit more advantages than conventional precious metals with regard to the above-mentioned indicators. Herein, based on DFT calculations and symmetry analysis, we discovered for the first time that the topological surface states of Mg3Bi2 with a Kagome lattice promote hydrogen evolution reactions (HERs). In particular, there exists a snake-like type-II nodal loop (NL), located on kz = 0 plane in Mg3Bi2. Besides, the NL forms a topologically protected drumhead surface state on the (001) surface. It was found that the ΔG (0.176 eV) value of the (001) surface is comparable to that of the precious metal Pt. Then, through hole doping and strain regulation, it was found that the catalytic activity of Mg3Bi2 is closely related to the drumhead surface state formed by NL. With the above-mentioned results, this study not only provides a promising candidate material for hydrogen electrolysis, but also deepens our understanding of the dominant factors of NL semimetals for the catalytic activity.
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Affiliation(s)
- Min Zhao
- State Key Laboratory of Reliability and Intelligence of Electrical Equipment, and School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, China.
| | - Weizhen Meng
- College of Physics, Hebei Key Laboratory of Photo physics Research and Application, Hebei Normal University, Shijiazhuang, 050024, China.
| | - Lirong Wang
- State Key Laboratory of Reliability and Intelligence of Electrical Equipment, and School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, China.
| | - Zeqing He
- State Key Laboratory of Reliability and Intelligence of Electrical Equipment, and School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, China.
| | - Lei Jin
- State Key Laboratory of Reliability and Intelligence of Electrical Equipment, and School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, China.
| | - Ying Liu
- State Key Laboratory of Reliability and Intelligence of Electrical Equipment, and School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, China.
| | - Xuefang Dai
- State Key Laboratory of Reliability and Intelligence of Electrical Equipment, and School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, China.
| | - Xiaoming Zhang
- State Key Laboratory of Reliability and Intelligence of Electrical Equipment, and School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, China.
| | - Hongshi Li
- State Key Laboratory of Reliability and Intelligence of Electrical Equipment, and School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, China.
| | - Guodong Liu
- State Key Laboratory of Reliability and Intelligence of Electrical Equipment, and School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, China.
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14
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Li J, Wu J, Park SW, Sasase M, Ye TN, Lu Y, Miyazaki M, Yokoyama T, Tada T, Kitano M, Hosono H. Topological insulator as an efficient catalyst for oxidative carbonylation of amines. SCIENCE ADVANCES 2023; 9:eadh9104. [PMID: 37738353 PMCID: PMC10516497 DOI: 10.1126/sciadv.adh9104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 08/22/2023] [Indexed: 09/24/2023]
Abstract
Topological materials have received much attention because of their robust topological surface states, which can be potentially applied in electronics and catalysis. Here, we show that the topological insulator bismuth selenide functions as an efficient catalyst for the oxidative carbonylation of amines with carbon monoxide and dioxygen to synthesize urea derivatives. For example, the carbonylation of butylamine can be completed over bismuth selenide nanoparticle catalyst in 4 hours at 20°C with a yield of 99%, whereas most noble metal-based catalysts do not function at such a low temperature. Density functional theory calculations further reveal that the topological surface states facilitate the activation of dioxygen through a triplet-to-singlet spin-conversion reaction, in which active oxygen species are formed with a barrier of 0.4 electron volts for the subsequent reactions with amine and carbon monoxide.
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Affiliation(s)
- Jiang Li
- MDX Research Center for Element Strategy, International Research Frontiers Initiative, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan
| | - Jiazhen Wu
- MDX Research Center for Element Strategy, International Research Frontiers Initiative, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan
- Department of Materials Science and Engineering, Southern University of Science and Technology, Guangdong 518055, China
| | - Sang-won Park
- MDX Research Center for Element Strategy, International Research Frontiers Initiative, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan
- Department of Chemical and Materials Engineering, University of Suwon, 17 Wauan-gil, Bongdam-eup, Hwaseong, Gyeonggi 18323, Republic of Korea
| | - Masato Sasase
- MDX Research Center for Element Strategy, International Research Frontiers Initiative, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan
| | - Tian-Nan Ye
- MDX Research Center for Element Strategy, International Research Frontiers Initiative, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yangfan Lu
- MDX Research Center for Element Strategy, International Research Frontiers Initiative, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan
- College of Materials Science and Engineering, National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing 400030, China
| | - Masayoshi Miyazaki
- MDX Research Center for Element Strategy, International Research Frontiers Initiative, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan
| | - Toshiharu Yokoyama
- MDX Research Center for Element Strategy, International Research Frontiers Initiative, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan
| | - Tomofumi Tada
- MDX Research Center for Element Strategy, International Research Frontiers Initiative, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan
| | - Masaaki Kitano
- MDX Research Center for Element Strategy, International Research Frontiers Initiative, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan
| | - Hideo Hosono
- MDX Research Center for Element Strategy, International Research Frontiers Initiative, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan
- International Center for Materials Nanoarchitectonics (WPI-MANA) National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
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15
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Chen M, Hu L, Xu L, Wei J, Wu P, Guan G, Wang T, Ma Y. Synergistically Tuning Surface States of Hierarchical MoC by Pt-N Dual-Doping Engineering for Optimizing Hydrogen Evolution Activity. SMALL METHODS 2023; 7:e2300308. [PMID: 37154229 DOI: 10.1002/smtd.202300308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 04/21/2023] [Indexed: 05/10/2023]
Abstract
Catalytic performance can be greatly enhanced by rational modulation of the surface state. In this study, reasonable adjustment of the surface states around the Fermi level (EF ) of molybdenum carbide (MoC) (α phase) via a Pt-N dual-doping process to fabricate an electrocatalyst named as Pt-N-MoC is performed to promote hydrogen evolution reaction (HER) performance over the MoC surface. Systematically experimental and theoretical analyses demonstrate that the synergistic tuning of Pt and N can cause the delocalization of surface states, with an increase in the density of surface states near the EF . This is beneficial for accumulating and transferring electrons between the catalyst surface and adsorbent, resulting in a positively linear correlation between the density of surface states near the EF and the HER activity. Moreover, the catalytic performance is further enhanced by artificially fabricating a Pt-N-MoC catalyst that has a unique hierarchical structure composed of MoC nanoparticles (0D), nanosheets (2D), and microrods (3D). As expected, the obtained Pt-N-MoC electrocatalyst exhibits superb HER activity with an extremely low overpotential of 39 mV@10 mA cm-2 as well as superb stability (over 24 d) in an alkaline solution. This work highlights a novel strategy to develop efficient electrocatalysts via adjusting their surface states.
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Affiliation(s)
- Meng Chen
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, China
- Graduate School of Science and Technology, Hirosaki University, Hirosaki, 036-8561, Japan
| | - Lihua Hu
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, China
| | - Li Xu
- Novel Energy Materials & Catalysis Research Center, Shanwei Institute of Technology, Shanwei, 516600, China
| | - Junling Wei
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, China
| | - Ping Wu
- Shenzhen Institute for Quantum Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Guoqing Guan
- Graduate School of Science and Technology, Hirosaki University, Hirosaki, 036-8561, Japan
- Energy Conversion Engineering Laboratory, Institute of Regional Innovation (IRI), Hirosaki University, Hirosaki, 036-8561, Japan
| | - Tiejun Wang
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, China
| | - Yufei Ma
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, China
- College of Chemistry and Material Science, Hebei Normal University, Shijiazhuang, 050024, China
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16
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Wang Z, Lin Z, Wang Y, Shen S, Zhang Q, Wang J, Zhong W. Nontrivial Topological Surface States in Ru 3 Sn 7 toward Wide pH-Range Hydrogen Evolution Reaction. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023:e2302007. [PMID: 36994807 DOI: 10.1002/adma.202302007] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 03/21/2023] [Indexed: 06/19/2023]
Abstract
Nontrivial topological surface states (TSSs), which possess extraordinary carrier mobility and are protected by the bulk symmetry, have emerged as an innovative platform to search for efficient electrocatalysts toward hydrogen evolution reaction (HER). Here, a Sn-based nontrivial metal Ru3 Sn7 is prepared using electrical arc melting method. The results indicate that the (001) crystal family of Ru3 Sn7 possesses nontrivial TSSs with linear dispersion relation and large nontrivial energy window. Experimental and theoretical results demonstrate that nontrivial TSSs of Ru3 Sn7 can significantly boost charge transfer kinetics and optimize adsorption of hydrogen intermediates due to bulk symmetry-protected band structures. As expected, nontrivial Ru3 Sn7 exhibits superior HER activity to Ru, Pt/C, and trivial counterparts (e.g., Ru2 Sn3 , IrSn2 , and Rh3 Sn2 ) with higher ratios of noble metals. Furthermore, the wide pH-range activity of topologically nontrivial Ru3 Sn7 implies the robustness of its TSSs against pH variation during the HER. These findings provide a promising approach to the rational design of topologically nontrivial metals as highly efficient electrocatalysts.
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Affiliation(s)
- Zongpeng Wang
- School of Material Science and Engineering, Taizhou University, No. 1139, Shifu Road, Jiaojiang, 318000, China
- School of Material Science and Engineering, Central South University, No. 932, Lushan South Road, Changsha, 410083, China
| | - Zhiping Lin
- School of Material Science and Engineering, Taizhou University, No. 1139, Shifu Road, Jiaojiang, 318000, China
| | - Yinglan Wang
- School of Material Science and Engineering, Taizhou University, No. 1139, Shifu Road, Jiaojiang, 318000, China
| | - Shijie Shen
- School of Material Science and Engineering, Taizhou University, No. 1139, Shifu Road, Jiaojiang, 318000, China
| | - Qinghua Zhang
- Institution of Physics, Chinese Academic of Science, No.8, 3rd Zhongguancun South Street, Beijing, 100190, China
| | - Jiacheng Wang
- School of Material Science and Engineering, Taizhou University, No. 1139, Shifu Road, Jiaojiang, 318000, China
| | - Wenwu Zhong
- School of Material Science and Engineering, Taizhou University, No. 1139, Shifu Road, Jiaojiang, 318000, China
- School of Material Science and Hydrogen Energy, Foshan Institute of Technology, No. 18, Jiangwanyi Road, Foshan, 528000, China
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17
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Boukhvalov D, D’Olimpio G, Mazzola F, Kuo CN, Mardanya S, Fujii J, Politano GG, Lue CS, Agarwal A, Vobornik I, Torelli P, Politano A. Unveiling the Catalytic Potential of Topological Nodal-Line Semimetal AuSn 4 for Hydrogen Evolution and CO 2 Reduction. J Phys Chem Lett 2023; 14:3069-3076. [PMID: 36947176 PMCID: PMC10068825 DOI: 10.1021/acs.jpclett.3c00113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 03/16/2023] [Indexed: 06/18/2023]
Abstract
In recent years, the correlation between the existence of topological electronic states in materials and their catalytic activity has gained increasing attention, due to the exceptional electron conductivity and charge carrier mobility exhibited by quantum materials. However, the physicochemical mechanisms ruling catalysis with quantum materials are not fully understood. Here, we investigate the chemical reactivity, ambient stability, and catalytic activity of the topological nodal-line semimetal AuSn4. Our findings reveal that the surface of AuSn4 is prone to oxidation, resulting in the formation of a nanometric SnO2 skin. This surface oxidation significantly enhances the material's performance as a catalyst for the hydrogen evolution reaction in acidic environments. We demonstrate that the peculiar atomic structure of oxidized AuSn4 enables the migration of hydrogen atoms through the Sn-O layer with a minimal energy barrier of only 0.19 eV. Furthermore, the Volmer step becomes exothermic in the presence of Sn vacancies or tin-oxide skin, as opposed to being hindered in the pristine sample, with energy values of -0.62 and -1.66 eV, respectively, compared to the +0.46 eV energy barrier in the pristine sample. Our model also suggests that oxidized AuSn4 can serve as a catalyst for the hydrogen evolution reaction in alkali media. Additionally, we evaluate the material's suitability for the carbon dioxide reduction reaction, finding that the presence of topologically protected electronic states enhances the migration of hydrogen atoms adsorbed on the catalyst to carbon dioxide.
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Affiliation(s)
- Danil
W. Boukhvalov
- College
of Science, Institute of Materials Physics and Chemistry, Nanjing Forestry University, Nanjing 210037, P. R. China
- Institute
of Physics and Technology, Ural Federal
University, Mira Str.
19, 620002 Yekaterinburg, Russia
| | - Gianluca D’Olimpio
- Department
of Physical and Chemical Sciences, University
of L’Aquila, via Vetoio, 67100 L’Aquila (AQ), Italy
| | - Federico Mazzola
- Consiglio
Nazionale delle Ricerche (CNR), Istituto Officina dei Materiali (IOM), Laboratorio
TASC, Area Science Park
S.S. 14 km 163.5, 34149 Trieste, Italy
| | - Chia-Nung Kuo
- Department
of Physics, National Cheng Kung University, 1 Ta-Hsueh Road, 70101 Tainan, Taiwan
| | - Sougata Mardanya
- Department
of Physics, National Cheng Kung University, 1 Ta-Hsueh Road, 70101 Tainan, Taiwan
| | - Jun Fujii
- Consiglio
Nazionale delle Ricerche (CNR), Istituto Officina dei Materiali (IOM), Laboratorio
TASC, Area Science Park
S.S. 14 km 163.5, 34149 Trieste, Italy
| | - Grazia Giuseppina Politano
- Department
of Information Engineering, Infrastructures and Sustainable Energy
(DIIES), University “Mediterranea”
of Reggio Calabria, Loc. Feo di Vito, 89122 Reggio Calabria, Italy
| | - Chin Shan Lue
- Department
of Physics, National Cheng Kung University, 1 Ta-Hsueh Road, 70101 Tainan, Taiwan
| | - Amit Agarwal
- Department
of Physics, Indian Institute of Technology
Kanpur, Kanpur 208016, India
| | - Ivana Vobornik
- Consiglio
Nazionale delle Ricerche (CNR), Istituto Officina dei Materiali (IOM), Laboratorio
TASC, Area Science Park
S.S. 14 km 163.5, 34149 Trieste, Italy
| | - Piero Torelli
- Consiglio
Nazionale delle Ricerche (CNR), Istituto Officina dei Materiali (IOM), Laboratorio
TASC, Area Science Park
S.S. 14 km 163.5, 34149 Trieste, Italy
| | - Antonio Politano
- Department
of Physical and Chemical Sciences, University
of L’Aquila, via Vetoio, 67100 L’Aquila (AQ), Italy
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18
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Meng W, Zhang X, Liu Y, Dai X, Liu G, Gu Y, Kenny EP, Kou L. Multifold Fermions and Fermi Arcs Boosted Catalysis in Nanoporous Electride 12CaO·7Al 2 O 3. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2205940. [PMID: 36574466 PMCID: PMC9951387 DOI: 10.1002/advs.202205940] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 11/25/2022] [Indexed: 06/17/2023]
Abstract
Topological materials have been recently regarded as ideal catalysts for heterogeneous reactions due to their surface metallic states and high carrier mobility. However, the underlying relationship between their catalytic performance and topological states is under debate. It has been discovered that the electride 12CaO·7Al2 O3 (C12A7:4e- ) hosts multifold fermions and Fermi arcs on the (001) surface near the Fermi level due to the interstitial electrons. Through the comparison of catalytic performance under different doping and strain conditions, based on the hydrogen evolution process, it has been demonstrated that the excellent catalytic performance indeed originates from topological properties. A linear relationship between the length of Fermi arcs, and Gibbs free energy (ΔGH* ) has been found, which not only provides the direct evidence to link the enhanced catalytic performance and surface Fermi arc states, but also fully clarifies the fundamental mechanism in topological catalysis.
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Affiliation(s)
- Weizhen Meng
- State Key Laboratory of Reliability and Intelligence of Electrical EquipmentHebei University of TechnologyTianjin300130China
- School of Materials Science and EngineeringHebei University of TechnologyTianjin300130China
| | - Xiaoming Zhang
- State Key Laboratory of Reliability and Intelligence of Electrical EquipmentHebei University of TechnologyTianjin300130China
- School of Materials Science and EngineeringHebei University of TechnologyTianjin300130China
| | - Ying Liu
- State Key Laboratory of Reliability and Intelligence of Electrical EquipmentHebei University of TechnologyTianjin300130China
- School of Materials Science and EngineeringHebei University of TechnologyTianjin300130China
| | - Xuefang Dai
- State Key Laboratory of Reliability and Intelligence of Electrical EquipmentHebei University of TechnologyTianjin300130China
- School of Materials Science and EngineeringHebei University of TechnologyTianjin300130China
| | - Guodong Liu
- State Key Laboratory of Reliability and Intelligence of Electrical EquipmentHebei University of TechnologyTianjin300130China
- School of Materials Science and EngineeringHebei University of TechnologyTianjin300130China
| | - Yuantong Gu
- School of MechanicalMedical and Process EngineeringQueensland University of TechnologyGarden Point CampusBrisbaneQLD4001Australia
| | - E. P. Kenny
- School of MechanicalMedical and Process EngineeringQueensland University of TechnologyGarden Point CampusBrisbaneQLD4001Australia
| | - Liangzhi Kou
- School of MechanicalMedical and Process EngineeringQueensland University of TechnologyGarden Point CampusBrisbaneQLD4001Australia
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19
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Synthesis of Self-Supported Cu/Cu3P Nanoarrays as an Efficient Electrocatalyst for the Hydrogen Evolution Reaction. Catalysts 2022. [DOI: 10.3390/catal12070762] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Owing to the energy crisis and environmental pollution, it is essential to develop cheap, environmentally friendly and sustainable energy to replace noble metal electrocatalysts for use in the hydrogen evolution reaction (HER). We report herein that a Cu/Cu3P nanoarray catalyst was directly grown on the surfaces of Cu nanosheets from its Cu/CuO nanoarray precursor by a low-temperature phosphidation process. In particular, the effects of phosphating distance, mass ratio and temperature on the morphology of Cu/Cu3P nanoarrays were studied in detail. This nanoarray, as an electrocatalyst, displays excellent catalytic performance and long-term stability in an acid solution for electrochemical hydrogen generation. Specifically, the Cu/Cu3P nanoarray-270 exhibits a low onset overpotential (96 mV) and a small Tafel slope (131 mV dec−1).
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20
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Li G, Xu Y, Song Z, Yang Q, Zhang Y, Liu J, Gupta U, Süβ V, Sun Y, Sessi P, Parkin SSP, Bernevig BA, Felser C. Obstructed Surface States as the Descriptor for Predicting Catalytic Active Sites in Inorganic Crystalline Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2201328. [PMID: 35460114 DOI: 10.1002/adma.202201328] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 04/09/2022] [Indexed: 06/14/2023]
Abstract
The discovery of new catalysts that are efficient and sustainable is a major research endeavor for many industrial chemical processes. This requires an understanding and determination of the catalytic origins, which remains a challenge. Here, a novel method to identify the position of active sites based on searching for crystalline symmetry-protected obstructed atomic insulators (OAIs) that have metallic surface states is described. The obstructed Wannier charge centers (OWCCs) in OAIs are pinned by symmetries at some empty Wyckoff positions so that surfaces that accommodate these sites are guaranteed to have metallic obstructed surface states (OSSs). It is proposed and confirmed that the OSSs are the catalytic activity origins for crystalline materials. The theory on 2H-MoTe2 , 1T'-MoTe2 , and NiPS3 bulk single crystals is verified, whose active sites are consistent with the calculations. Most importantly, several high-efficiency catalysts are successfully identified just by considering the number of OWCCs and the symmetry. Using the real-space-invariant theory applied to a database of 34 013 topologically trivial insulators, 1788 unique OAIs are identified, of which 465 are potential high-performance catalysts. The new methodology will facilitate and accelerate the discovery of new catalysts for a wide range of heterogeneous redox reactions.
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Affiliation(s)
- Guowei Li
- CAS Key Laboratory of Magnetic Materials and Devices, and Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
- University of Chinese Academy of Sciences, Shijingshan District, Beijing, 100049, China
- Max Planck Institute for Chemical Physics of Solids, 01069, Dresden, Germany
| | - Yuanfeng Xu
- Max Planck Institute of Microstructure Physics, 06120, Halle (Saale), Germany
| | - Zhida Song
- Department of Physics, Princeton University, Princeton, NJ, 08544, USA
| | - Qun Yang
- Max Planck Institute for Chemical Physics of Solids, 01069, Dresden, Germany
| | - Yudi Zhang
- CAS Key Laboratory of Magnetic Materials and Devices, and Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
- University of Chinese Academy of Sciences, Shijingshan District, Beijing, 100049, China
| | - Jian Liu
- CAS Key Laboratory of Magnetic Materials and Devices, and Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
- University of Chinese Academy of Sciences, Shijingshan District, Beijing, 100049, China
| | - Uttam Gupta
- Max Planck Institute for Chemical Physics of Solids, 01069, Dresden, Germany
| | - Vicky Süβ
- Max Planck Institute for Chemical Physics of Solids, 01069, Dresden, Germany
| | - Yan Sun
- Max Planck Institute for Chemical Physics of Solids, 01069, Dresden, Germany
| | - Paolo Sessi
- Max Planck Institute of Microstructure Physics, 06120, Halle (Saale), Germany
| | - Stuart S P Parkin
- Max Planck Institute of Microstructure Physics, 06120, Halle (Saale), Germany
| | - B Andrei Bernevig
- Max Planck Institute of Microstructure Physics, 06120, Halle (Saale), Germany
- Department of Physics, Princeton University, Princeton, NJ, 08544, USA
- Donostia International Physics Center, P. Manuel de Lardizabal 4, Donostia-San Sebastian, 20018, Spain
| | - Claudia Felser
- Max Planck Institute for Chemical Physics of Solids, 01069, Dresden, Germany
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21
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Kang Y, He Y, Pohl D, Rellinghaus B, Chen D, Schmidt M, Süß V, Mu Q, Li F, Yang Q, Chen H, Ma Y, Auffermann G, Li G, Felser C. Identification of Interface Structure for a Topological CoS 2 Single Crystal in Oxygen Evolution Reaction with High Intrinsic Reactivity. ACS APPLIED MATERIALS & INTERFACES 2022; 14:19324-19331. [PMID: 35468289 PMCID: PMC9073842 DOI: 10.1021/acsami.1c24966] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Accepted: 04/13/2022] [Indexed: 06/14/2023]
Abstract
Transition metal chalcogenides such as CoS2 have been reported as competitive catalysts for oxygen evolution reaction. It has been well confirmed that surface modification is inevitable in such a process, with the formation of different re-constructed oxide layers. However, which oxide species should be responsible for the optimized catalytic efficiencies and the detailed interface structure between the modified layer and precatalyst remain controversial. Here, a topological CoS2 single crystal with a well-defined exposed surface is used as a model catalyst, which makes the direct investigation of the interface structure possible. Cross-sectional transmission electron microscopy of the sample reveals the formation of a 2 nm thickness Co3O4 layer that grows epitaxially on the CoS2 surface. Thick CoO pieces are also observed and are loosely attached to the bulk crystal. The compact Co3O4 interface structure can result in the fast electron transfer from adsorbed O species to the bulk crystal compared with CoO pieces as evidenced by the electrochemical impedance measurements. This leads to the competitive apparent and intrinsic reactivity of the crystal despite the low surface geometric area. These findings are helpful for the understanding of catalytic origins of transition metal chalcogenides and the designing of high-performance catalysts with interface-phase engineering.
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Affiliation(s)
- Yu Kang
- Max
Planck Institute for Chemical Physics of Solids, Nöthnitzer Str. 40, 01187 Dresden, Germany
| | - Yangkun He
- Max
Planck Institute for Chemical Physics of Solids, Nöthnitzer Str. 40, 01187 Dresden, Germany
| | - Darius Pohl
- Dresden
Center for Nanoanalysis, cfaed, Technische
Universität Dresden, Helmholtzstraße 18, 01069 Dresden, Germany
| | - Bernd Rellinghaus
- Dresden
Center for Nanoanalysis, cfaed, Technische
Universität Dresden, Helmholtzstraße 18, 01069 Dresden, Germany
| | - Dong Chen
- Max
Planck Institute for Chemical Physics of Solids, Nöthnitzer Str. 40, 01187 Dresden, Germany
| | - Marcus Schmidt
- Max
Planck Institute for Chemical Physics of Solids, Nöthnitzer Str. 40, 01187 Dresden, Germany
| | - Vicky Süß
- Max
Planck Institute for Chemical Physics of Solids, Nöthnitzer Str. 40, 01187 Dresden, Germany
| | - Qingge Mu
- Max
Planck Institute for Chemical Physics of Solids, Nöthnitzer Str. 40, 01187 Dresden, Germany
| | - Fan Li
- Max
Planck Institute for Microstructure Physics, Weinberg 2, D-06120 Halle, Sachsen-Anhalt, Germany
| | - Qun Yang
- Max
Planck Institute for Chemical Physics of Solids, Nöthnitzer Str. 40, 01187 Dresden, Germany
| | - Hedong Chen
- Max
Planck Institute for Chemical Physics of Solids, Nöthnitzer Str. 40, 01187 Dresden, Germany
| | - Yufei Ma
- Max
Planck Institute for Chemical Physics of Solids, Nöthnitzer Str. 40, 01187 Dresden, Germany
| | - Gudrun Auffermann
- Max
Planck Institute for Chemical Physics of Solids, Nöthnitzer Str. 40, 01187 Dresden, Germany
| | - Guowei Li
- CAS
Key Laboratory of Magnetic Materials and Devices, and Zhejiang Province
Key Laboratory of Magnetic Materials and Application Technology, Ningbo
Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
- University
of Chinese Academy of Sciences, Shijingshan
District, Beijing 100049, China
| | - Claudia Felser
- Max
Planck Institute for Chemical Physics of Solids, Nöthnitzer Str. 40, 01187 Dresden, Germany
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22
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Lu Y, Fan X, Ma X, Liu J, Li Y, Zhao M. Tunable topological electronic states in the honeycomb-kagome lattices of nitrogen/oxygen-doped graphene nanomeshes. NANOSCALE ADVANCES 2022; 4:2201-2207. [PMID: 36133449 PMCID: PMC9419200 DOI: 10.1039/d2na00132b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Accepted: 04/06/2022] [Indexed: 06/16/2023]
Abstract
The rich and exotic electronic properties of graphene nanomeshes (GNMs) have been attracting interest due to their superiority to pristine graphene. Using first-principles calculations, we considered three graphene meshes doped with nitrogen and oxygen atoms (C10N3, C9N4 and C10O3). The electronic band structures of these GNMs in terms of the proximity of the Fermi level featured a two-dimensional (2D) honeycomb-kagome lattice with concurrent kagome and Dirac bands. The position of the Fermi level can be regulated by the doping ratio, resulting in different topological quantum states, namely topological Dirac semimetals and Dirac nodal line (DNL) semimetals. More interestingly, the adsorption of rhenium (Re) atoms in the voids of the C10N3 (Re@ C10N3) GNMs induced quantum anomalous Hall (QAH) states, as verified by the nonzero Chern numbers and chiral edge states. These GNMs offer a promising platform superior to pristine graphene for regulating multiple topological states.
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Affiliation(s)
- Yiming Lu
- School of Physics, Shandong University Jinan Shandong 250100 China
| | - Xuejia Fan
- School of Physics, Shandong University Jinan Shandong 250100 China
| | - Xikui Ma
- School of Physics, Shandong University Jinan Shandong 250100 China
| | - Jian Liu
- School of Physics, Shandong University Jinan Shandong 250100 China
| | - Yangyang Li
- School of Physics, Shandong University Jinan Shandong 250100 China
| | - Mingwen Zhao
- School of Physics, Shandong University Jinan Shandong 250100 China
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23
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Luo Y, Zhang Z, Chhowalla M, Liu B. Recent Advances in Design of Electrocatalysts for High-Current-Density Water Splitting. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2108133. [PMID: 34862818 DOI: 10.1002/adma.202108133] [Citation(s) in RCA: 112] [Impact Index Per Article: 56.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 11/19/2021] [Indexed: 06/13/2023]
Abstract
Electrochemical water splitting technology for producing "green hydrogen" is important for the global mission of carbon neutrality. Electrocatalysts with decent performance at high current densities play a central role in the industrial implementation of this technology. This field has advanced immensely in recent years, as witnessed by many types of catalysts designed and synthesized toward industriallyrelevant current densities (>200 mA cm-2 ). By discussing recent advances in this field, several key aspects are summarized that affect the catalytic performance for high-current-density electrocatalysis, including dimensionality of catalysts, surface chemistry, electron transport path, morphology, and catalyst-electrolyte interplay. The multiscale design strategy that considers these aspects comprehensively for developing high-current-density electrocatalysts are highlighted. The perspectives on the future directions in this emerging field are also put forward.
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Affiliation(s)
- Yuting Luo
- Shenzhen Geim Graphene Center, Tsinghua-Berkeley Shenzhen Institute & Institute of Materials Research, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, P. R. China
| | - Zhiyuan Zhang
- Shenzhen Geim Graphene Center, Tsinghua-Berkeley Shenzhen Institute & Institute of Materials Research, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, P. R. China
| | - Manish Chhowalla
- Materials Science and Metallurgy, University of Cambridge, Cambridge, CB3 0FS, UK
| | - Bilu Liu
- Shenzhen Geim Graphene Center, Tsinghua-Berkeley Shenzhen Institute & Institute of Materials Research, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, P. R. China
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24
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Xie R, Zhang T, Weng H, Chai GL. Progress, Advantages, and Challenges of Topological Material Catalysts. SMALL SCIENCE 2022. [DOI: 10.1002/smsc.202100106] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Affiliation(s)
- Ruikuan Xie
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou Fujian 350002 P. R. China
- University of Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Tan Zhang
- University of Chinese Academy of Sciences Beijing 100190 P. R. China
- Beijing National Research Center for Condensed Matter Physics Institute of Physics Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Hongming Weng
- University of Chinese Academy of Sciences Beijing 100190 P. R. China
- Beijing National Research Center for Condensed Matter Physics Institute of Physics Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Guo-Liang Chai
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou Fujian 350002 P. R. China
- University of Chinese Academy of Sciences Beijing 100190 P. R. China
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25
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Kim T, Roy SB, Moon S, Yoo S, Choi H, Parale VG, Kim Y, Lee J, Jun SC, Kang K, Chun SH, Kanamori K, Park HH. Highly Dispersed Pt Clusters on F-Doped Tin(IV) Oxide Aerogel Matrix: An Ultra-Robust Hybrid Catalyst for Enhanced Hydrogen Evolution. ACS NANO 2022; 16:1625-1638. [PMID: 36350111 DOI: 10.1021/acsnano.1c10504] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Dispersing the minuscule mass loading without hampering the high catalytic activity and long-term stability of a noble metal catalyst results in its ultimate efficacy for the electrochemical hydrogen evolution reaction (HER). Despite being the most efficient HER catalyst, the use of Pt is curtailed due to its scarcity and tendency to leach out in the harsh electrochemical reaction environment. In this study, we combined F-doped tin(IV) oxide (F-SnO2) aerogel with Pt catalyst to prevent metallic corrosion and to achieve abundant Pt active sites (approximately 5 nm clusters) with large specific surface area (321 cm2·g-1). With nanoscopic Pt loading inside the SnO2 aerogel matrix, the as-synthesized hybrid F-SnO2@Pt possesses a large specific surface area and high porosity and, thus, exhibits efficient experimental and intrinsic HER activity (a low overpotential of 42 mV at 10 mA·cm-2 in 0.5 M sulfuric acid), a 22-times larger turnover frequency (11.2 H2·s-1) than that of Pt/C at 50 mV, and excellent robustness over 10,000 cyclic voltammetry cycles. The existing metal support interaction and strong intermolecular forces between Pt and F-SnO2 account for the catalytic superiority and persistence against corrosion of F-SnO2@Pt compared to commercially used Pt/C. Density functional theory analysis suggests that hybridization between the Pt and F-SnO2 orbitals enhances intermediate hydrogen atom (H*) adsorption at their interface, which improves the reaction kinetics.
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Affiliation(s)
- Taehee Kim
- Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Korea
| | - Sanjib Baran Roy
- Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Korea
| | - Sunil Moon
- Department of Mechanical Engineering, Yonsei University, Seoul 03722, Korea
| | - SangHyuk Yoo
- Department of Mechanical Engineering, Yonsei University, Seoul 03722, Korea
| | - Haryeong Choi
- Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Korea
| | - Vinayak G Parale
- Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Korea
| | - Younghun Kim
- Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Korea
| | - Jihun Lee
- Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Korea
| | - Seong Chan Jun
- Department of Mechanical Engineering, Yonsei University, Seoul 03722, Korea
| | - Keonwook Kang
- Department of Mechanical Engineering, Yonsei University, Seoul 03722, Korea
| | - Seung-Hyun Chun
- Department of Physics, Sejong University, Seoul 05006, Korea
| | | | - Hyung-Ho Park
- Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Korea
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26
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Stolz S, Danese M, Di Giovannantonio M, Urgel JI, Sun Q, Kinikar A, Bommert M, Mishra S, Brune H, Gröning O, Passerone D, Widmer R. Asymmetric Elimination Reaction on Chiral Metal Surfaces. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2104481. [PMID: 34613643 DOI: 10.1002/adma.202104481] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 09/19/2021] [Indexed: 06/13/2023]
Abstract
The production of enantiopure materials and molecules is of uttermost relevance in research and industry in numerous contexts, ranging from nonlinear optics to asymmetric synthesis. In the context of the latter, dehalogenation, which is an essential reaction step for a broad class of chemical reactions, is investigated; specifically, dehalogenation of prochiral 5-bromo-7-methylbenz(a)anthracene (BMA) on prototypical, chiral, intermetallic PdGa{111} surfaces under ultrahigh vacuum conditions. Asymmetric halogen elimination is demonstrated by combining temperature-programmed X-ray photoelectron spectroscopy, scanning probe microscopy, and density functional theory. On the PdGa{111} surfaces, the difference in debromination temperatures for the two BMA surface enantiomers amounts up to an unprecedented 46 K. The significant dependence of the dehalogenation temperature of the BMA surface enantiomers on the atomic termination of the PdGa{111} surfaces implies that the ensemble effect is pronounced in this reaction step. These findings evidence enantiospecific control and hence promote intrinsically chiral crystals for asymmetric on-surface synthesis.
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Affiliation(s)
- Samuel Stolz
- Nanotech@surfaces Laboratory, Empa - Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, Dübendorf, CH-8600, Switzerland
- Institute of Physics, École Polytechnique Fédérale de Lausanne, Lausanne, CH-1015, Switzerland
| | - Martina Danese
- Nanotech@surfaces Laboratory, Empa - Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, Dübendorf, CH-8600, Switzerland
| | - Marco Di Giovannantonio
- Nanotech@surfaces Laboratory, Empa - Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, Dübendorf, CH-8600, Switzerland
| | - José I Urgel
- Nanotech@surfaces Laboratory, Empa - Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, Dübendorf, CH-8600, Switzerland
| | - Qiang Sun
- Nanotech@surfaces Laboratory, Empa - Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, Dübendorf, CH-8600, Switzerland
| | - Amogh Kinikar
- Nanotech@surfaces Laboratory, Empa - Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, Dübendorf, CH-8600, Switzerland
| | - Max Bommert
- Nanotech@surfaces Laboratory, Empa - Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, Dübendorf, CH-8600, Switzerland
| | - Shantanu Mishra
- Nanotech@surfaces Laboratory, Empa - Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, Dübendorf, CH-8600, Switzerland
| | - Harald Brune
- Institute of Physics, École Polytechnique Fédérale de Lausanne, Lausanne, CH-1015, Switzerland
| | - Oliver Gröning
- Nanotech@surfaces Laboratory, Empa - Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, Dübendorf, CH-8600, Switzerland
| | - Daniele Passerone
- Nanotech@surfaces Laboratory, Empa - Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, Dübendorf, CH-8600, Switzerland
| | - Roland Widmer
- Nanotech@surfaces Laboratory, Empa - Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, Dübendorf, CH-8600, Switzerland
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27
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Katz RJ, Zhu Y, Mao Z, Schaak RE. Persistence and Evolution of Materials Features During Catalysis Using Topological and Trivial Polymorphs of MoTe
2. ChemCatChem 2021. [DOI: 10.1002/cctc.202101714] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Rebecca J. Katz
- Department of Chemistry The Pennsylvania State University University Park PA 16802 USA
| | - Yanglin Zhu
- Department of Physics The Pennsylvania State University University Park PA 16802 USA
| | - Zhiqiang Mao
- Department of Chemistry The Pennsylvania State University University Park PA 16802 USA
- Department of Physics The Pennsylvania State University University Park PA 16802 USA
| | - Raymond E. Schaak
- Department of Chemistry The Pennsylvania State University University Park PA 16802 USA
- Department of Chemical Engineering and Materials Research Institute The Pennsylvania State University University Park PA 16802 USA
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28
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Politano A. On the fate of high-resolution electron energy loss spectroscopy (HREELS), a versatile probe to detect surface excitations: will the Phoenix rise again? Phys Chem Chem Phys 2021; 23:26061-26069. [PMID: 34812442 DOI: 10.1039/d1cp03804d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
From its advent, high-resolution electron energy loss spectroscopy (HREELS) has emerged as one of the most versatile tools in surface science. In the last few decades, HREELS was widely used for the fundamental study of (i) chemical reactions at the surfaces of model catalysts (mostly single crystals), (ii) lattice dynamics (phonons), (iii) surface plasmons and (iv) magnons. However, HREELS has experienced a continuous decay of the number of daily users worldwide so far, due to several factors. However, the rise of Dirac materials (graphene, topological insulators, Dirac semimetals) offers new perspectives for HREELS, due to its unique features enabling ultrasensitive detection of (i) chemical modifications at their surfaces, (ii) Kohn anomalies arising from electron-phonon coupling and (iii) novel plasmonic excitations associated to Dirac-cone fermions, as well as their eventual mutual interplay with other plasmon resonances related to topologically trivial electronic states. By selected case-study examples, here we show that HREELS can uniquely probe these phenomena in Dirac materials, thus validating its outstanding relevance and its irreplaceability in contemporary solid-state physics, thus paving the way for a renewed interest. In addition, recent technological upgrades enable the combination of HREELS as an add-on to photoemission apparatuses for parallel readout of energy and momentum of surface excitations. Open issues for theoretical modelling of HREELS related to the dependence on primary electron beam energy and scattering geometry are also critically presented.
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Affiliation(s)
- Antonio Politano
- Department of Physical and Chemical Sciences, University of L'Aquila, via Vetoio, 67100 L'Aquila, Abruzzo, Italy. .,CNR-IMM Istituto per la Microelettronica e Microsistemi, VIII strada 5, I-95121 Catania, Italy
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29
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Fujii J, Ghosh B, Vobornik I, Bari Sarkar A, Mondal D, Kuo CN, Bocquet F, Zhang L, Boukhvalov DW, Lue CS, Agarwal A, Politano A. Mitrofanovite Pt 3Te 4: A Topological Metal with Termination-Dependent Surface Band Structure and Strong Spin Polarization. ACS NANO 2021; 15:14786-14793. [PMID: 34472336 PMCID: PMC8482756 DOI: 10.1021/acsnano.1c04766] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 08/10/2021] [Indexed: 06/13/2023]
Abstract
Due to their peculiar quasiparticle excitations, topological metals have high potential for applications in the fields of spintronics, catalysis, and superconductivity. Here, by combining spin- and angle-resolved photoemission spectroscopy, scanning tunneling microscopy/spectroscopy, and density functional theory, we discover surface-termination-dependent topological electronic states in the recently discovered mitrofanovite Pt3Te4. Mitrofanovite crystal is formed by alternating, van der Waals bound layers of Pt2Te2 and PtTe2. Our results demonstrate that mitrofanovite is a topological metal with termination-dependent (i) electronic band structure and (ii) spin texture. Despite their distinct electronic character, both surface terminations are characterized by electronic states exhibiting strong spin polarization with a node at the Γ point and sign reversal across the Γ point, indicating their topological nature and the possibility of realizing two distinct electronic configurations (both of them with topological features) on the surface of the same material.
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Affiliation(s)
- Jun Fujii
- CNR-IOM,
TASC Laboratory, Area Science Park-Basovizza, 34139 Trieste, Italy
| | - Barun Ghosh
- Department
of Physics, Indian Institute of Technology
Kanpur, Kanpur 208016, India
| | - Ivana Vobornik
- CNR-IOM,
TASC Laboratory, Area Science Park-Basovizza, 34139 Trieste, Italy
| | - Anan Bari Sarkar
- Department
of Physics, Indian Institute of Technology
Kanpur, Kanpur 208016, India
| | - Debashis Mondal
- CNR-IOM,
TASC Laboratory, Area Science Park-Basovizza, 34139 Trieste, Italy
| | - Chia-Nung Kuo
- Department
of Physics, National Cheng Kung University, 1 Ta-Hsueh Road, 70101 Tainan, Taiwan
- Taiwan
Consortium of Emergent Crystalline Materials, Ministry of Science and Technology, Taipei 10601, Taiwan
| | - François
C. Bocquet
- Peter
Grünberg Institut (PGI-3), Forschungszentrum
Jülich, 52425 Jülich, Germany
- Jülich
Aachen Research Alliance (JARA), Fundamentals
of Future Information Technology, 52425 Jülich, Germany
| | - Lixue Zhang
- College
of
Chemistry and Chemical Engineering, Qingdao
University, Qingdao 266071, Shandong, P.
R. China
| | - Danil W. Boukhvalov
- College of
Science, Institute of Materials Physics and Chemistry, Nanjing Forestry University, Nanjing 210037, P. R. China
- Institute
of Physics and Technology, Ural Federal
University, Mira Street
19, 620002 Ekaterinburg, Russia
| | - Chin Shan Lue
- Department
of Physics, National Cheng Kung University, 1 Ta-Hsueh Road, 70101 Tainan, Taiwan
- Taiwan
Consortium of Emergent Crystalline Materials, Ministry of Science and Technology, Taipei 10601, Taiwan
| | - Amit Agarwal
- Department
of Physics, Indian Institute of Technology
Kanpur, Kanpur 208016, India
| | - Antonio Politano
- INSTM and
Department of Physical and Chemical Sciences, University of L’Aquila, via Vetoio, 67100 L’Aquila
(AQ), Italy
- CNR-IMM
Istituto per la Microelettronica e Microsistemi, VIII strada 5, I-95121 Catania, Italy
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30
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Xie H, Zhang T, Xie R, Hou Z, Ji X, Pang Y, Chen S, Titirici MM, Weng H, Chai G. Facet Engineering to Regulate Surface States of Topological Crystalline Insulator Bismuth Rhombic Dodecahedrons for Highly Energy Efficient Electrochemical CO 2 Reduction. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2008373. [PMID: 34174114 DOI: 10.1002/adma.202008373] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 04/13/2021] [Indexed: 05/03/2023]
Abstract
Bismuth (Bi) is a topological crystalline insulator (TCI), which has gapless topological surface states (TSSs) protected by a specific crystalline symmetry that strongly depends on the facet. Bi is also a promising electrochemical CO2 reduction reaction (ECO2 RR) electrocatalyst for formate production. In this study, single-crystalline Bi rhombic dodecahedrons (RDs) exposed with (104) and (110) facets are developed. The Bi RDs demonstrate a very low overpotential and high selectivity for formate production (Faradic efficiency >92.2%) in a wide partial current density range from 9.8 to 290.1 mA cm-2 , leading to a remarkably high full-cell energy efficiency (69.5%) for ECO2 RR. The significantly reduced overpotential is caused by the enhanced *OCHO adsorption on the Bi RDs. The high selectivity of formate can be ascribed to the TSSs and the trivial surface states opening small gaps in the bulk gap on Bi RDs, which strengthens and stabilizes the preferentially adsorbed *OCHO and mitigates the competing adsorption of *H during ECO2 RR. This study describes a promising application of Bi RDs for high-rate formate production and high-efficiency energy storage of intermittent renewable electricity. Optimizing the geometry of TCIs is also proposed as an effective strategy to tune the TSSs of topological catalysts.
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Affiliation(s)
- Huan Xie
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P. R. China
- School of Chemical Science, University of Chinese Academy of Sciences, Beijing, 100049, China
- Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian, 350108, P. R. China
| | - Tan Zhang
- Beijing National Research Center for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
- Songshan Lake Materials Laboratory, Dongguan, Guangdong, 523808, China
| | - Ruikuan Xie
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P. R. China
- School of Chemical Science, University of Chinese Academy of Sciences, Beijing, 100049, China
- Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian, 350108, P. R. China
| | - Zhufeng Hou
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P. R. China
- School of Chemical Science, University of Chinese Academy of Sciences, Beijing, 100049, China
- Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian, 350108, P. R. China
| | - Xuecong Ji
- Beijing National Research Center for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
- Songshan Lake Materials Laboratory, Dongguan, Guangdong, 523808, China
| | - Yongyu Pang
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P. R. China
- School of Chemical Science, University of Chinese Academy of Sciences, Beijing, 100049, China
- Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian, 350108, P. R. China
| | - Shaoqing Chen
- Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, 518055, P. R. China
| | | | - Hongming Weng
- Beijing National Research Center for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
- Songshan Lake Materials Laboratory, Dongguan, Guangdong, 523808, China
| | - Guoliang Chai
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P. R. China
- School of Chemical Science, University of Chinese Academy of Sciences, Beijing, 100049, China
- Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian, 350108, P. R. China
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31
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Boukhvalov DW, Kuo CN, Nappini S, Marchionni A, D’Olimpio G, Filippi J, Mauri S, Torelli P, Lue CS, Vizza F, Politano A. Efficient Electrochemical Water Splitting with PdSn 4 Dirac Nodal Arc Semimetal. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01653] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Danil W. Boukhvalov
- College of Science, Institute of Materials Physics and Chemistry, Nanjing Forestry University, Nanjing 210037, P. R. China
- Theoretical Physics and Applied Mathematics Department, Ural Federal University, Mira Street 19, 620002 Ekaterinburg, Russia
| | - Chia-Nung Kuo
- Department of Physics, National Cheng Kung University, 1 Ta-Hsueh Road, 70101 Tainan, Taiwan
| | - Silvia Nappini
- Consiglio Nazionale delle Ricerche (CNR)-Istituto Officina dei Materiali (IOM), Laboratorio TASC, Area Science Park S.S. 14 km 163.5, 34149 Trieste, Italy
| | - Andrea Marchionni
- Consiglio Nazionale delle Ricerche (CNR)-Istituto di Chimica dei Composti OrganoMetallici (ICCOM), Area della Ricerca di Firenze, via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy
| | - Gianluca D’Olimpio
- INSTM and Department of Physical and Chemical Sciences, University of L’Aquila, via Vetoio, 67100 L’Aquila, Abruzzo, Italy
| | - Jonathan Filippi
- Consiglio Nazionale delle Ricerche (CNR)-Istituto di Chimica dei Composti OrganoMetallici (ICCOM), Area della Ricerca di Firenze, via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy
| | - Silvia Mauri
- Consiglio Nazionale delle Ricerche (CNR)-Istituto Officina dei Materiali (IOM), Laboratorio TASC, Area Science Park S.S. 14 km 163.5, 34149 Trieste, Italy
| | - Piero Torelli
- Consiglio Nazionale delle Ricerche (CNR)-Istituto Officina dei Materiali (IOM), Laboratorio TASC, Area Science Park S.S. 14 km 163.5, 34149 Trieste, Italy
- Elettra-Sincrotrone S.C.p.A, S.S. 14 km 163.5 in Area Science Park, 34149 Trieste, Italy
| | - Chin Shan Lue
- Department of Physics, National Cheng Kung University, 1 Ta-Hsueh Road, 70101 Tainan, Taiwan
| | - Francesco Vizza
- Consiglio Nazionale delle Ricerche (CNR)-Istituto di Chimica dei Composti OrganoMetallici (ICCOM), Area della Ricerca di Firenze, via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy
| | - Antonio Politano
- INSTM and Department of Physical and Chemical Sciences, University of L’Aquila, via Vetoio, 67100 L’Aquila, Abruzzo, Italy
- CNR-IMM Istituto per la Microelettronica e Microsistemi, VIII strada 5, I-95121 Catania, Italy
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Kong XP, Jiang T, Gao J, Shi X, Shao J, Yuan Y, Qiu HJ, Zhao W. Development of a Ni-Doped VAl 3 Topological Semimetal with a Significantly Enhanced HER Catalytic Performance. J Phys Chem Lett 2021; 12:3740-3748. [PMID: 33844544 DOI: 10.1021/acs.jpclett.1c00238] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Topological materials with robust topological surface states appear to be well-suited as electrochemical catalysts. However, few studies have been published on the development of non-noble metal topological catalysts, most likely because the topological properties tend to be attributed to the s and p orbital electrons, while transition-metal catalysis mainly involves d orbital electrons. Herein, we proposed a topological semimetallic (TSM) compound, VAl3, with a surface state consisting mainly of d orbital electrons, as an electrocatalyst for the hydrogen evolution reaction (HER). Density functional theory (DFT) calculations showed that the surface state electrons enhanced the adsorption of H atoms. Moreover, the transfer of surface state electrons between the surface and adsorbed H atoms was optimized through nickel doping. We experimentally prepared single-crystals VAl3 and V0.75Ni0.25Al3 alloys. Electrochemical analysis showed that not only did V0.75Ni0.25Al3 outperform VAl3 but also it was among the best non-noble metal topological HER electrocatalysts currently available.
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Affiliation(s)
- Xiang-Peng Kong
- Sauvage Laboratory for Smart Materials, School of Materials Science and Engineering, Harbin Institute of Technology, Shenzhen 518055, People's Republic of China
- Shenzhen Key Laboratory of Flexible Printed Electronics Technology, Harbin Institute of Technology, Shenzhen 518055, People's Republic of China
| | - Tao Jiang
- Sauvage Laboratory for Smart Materials, School of Materials Science and Engineering, Harbin Institute of Technology, Shenzhen 518055, People's Republic of China
| | - JiaoJiao Gao
- Sauvage Laboratory for Smart Materials, School of Materials Science and Engineering, Harbin Institute of Technology, Shenzhen 518055, People's Republic of China
- Shenzhen Key Laboratory of Flexible Printed Electronics Technology, Harbin Institute of Technology, Shenzhen 518055, People's Republic of China
| | - Xianbiao Shi
- Shenzhen Key Laboratory of Flexible Printed Electronics Technology, Harbin Institute of Technology, Shenzhen 518055, People's Republic of China
- State Key Laboratory of Advanced Welding & Joining, Harbin Institute of Technology, Harbin 150001, People's Republic of China
| | - Jian Shao
- Sauvage Laboratory for Smart Materials, School of Materials Science and Engineering, Harbin Institute of Technology, Shenzhen 518055, People's Republic of China
- Shenzhen Key Laboratory of Flexible Printed Electronics Technology, Harbin Institute of Technology, Shenzhen 518055, People's Republic of China
| | - Yunhuan Yuan
- Shenzhen Key Laboratory of Flexible Printed Electronics Technology, Harbin Institute of Technology, Shenzhen 518055, People's Republic of China
- State Key Laboratory of Advanced Welding & Joining, Harbin Institute of Technology, Harbin 150001, People's Republic of China
| | - Hua-Jun Qiu
- Sauvage Laboratory for Smart Materials, School of Materials Science and Engineering, Harbin Institute of Technology, Shenzhen 518055, People's Republic of China
| | - WeiWei Zhao
- Sauvage Laboratory for Smart Materials, School of Materials Science and Engineering, Harbin Institute of Technology, Shenzhen 518055, People's Republic of China
- Shenzhen Key Laboratory of Flexible Printed Electronics Technology, Harbin Institute of Technology, Shenzhen 518055, People's Republic of China
- State Key Laboratory of Advanced Welding & Joining, Harbin Institute of Technology, Harbin 150001, People's Republic of China
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Boukhvalov DW, Paolucci V, D'Olimpio G, Cantalini C, Politano A. Chemical reactions on surfaces for applications in catalysis, gas sensing, adsorption-assisted desalination and Li-ion batteries: opportunities and challenges for surface science. Phys Chem Chem Phys 2021; 23:7541-7552. [PMID: 32926041 DOI: 10.1039/d0cp03317k] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The study of chemical processes on solid surfaces is a powerful tool to discover novel physicochemical concepts with direct implications for processes based on chemical reactions at surfaces, largely exploited by industry. Recent upgrades of experimental tools and computational capabilities, as well as the advent of two-dimensional materials, have opened new opportunities and challenges for surface science. In this Perspective, we highlight recent advances in application fields strictly connected to novel concepts emerging in surface science. Specifically, we show for selected case-study examples that surface oxidation can be unexpectedly beneficial for improving the efficiency in electrocatalysis (the hydrogen evolution reaction and oxygen evolution reaction) and photocatalysis, as well as in gas sensing. Moreover, we discuss the adsorption-assisted mechanism in membrane distillation for seawater desalination, as well as the use of surface-science tools in the study of Li-ion batteries. In all these applications, surface-science methodologies (both experimental and theoretical) have unveiled new physicochemical processes, whose efficiency can be further tuned by controlling surface phenomena, thus paving the way for a new era for the investigation of surfaces and interfaces of nanomaterials. In addition, we discuss the role of surface scientists in contemporary condensed matter physics, taking as case-study examples specific controversial debates concerning unexpected phenomena emerging in nanosheets of layered materials, solved by adopting a surface-science approach.
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Affiliation(s)
- Danil W Boukhvalov
- College of Science, Institute of Materials Physics and Chemistry, Nanjing Forestry University, Nanjing 210037, P. R. China
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Kumar N, Guin SN, Manna K, Shekhar C, Felser C. Topological Quantum Materials from the Viewpoint of Chemistry. Chem Rev 2021; 121:2780-2815. [PMID: 33151662 PMCID: PMC7953380 DOI: 10.1021/acs.chemrev.0c00732] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Indexed: 11/29/2022]
Abstract
Topology, a mathematical concept, has recently become a popular and truly transdisciplinary topic encompassing condensed matter physics, solid state chemistry, and materials science. Since there is a direct connection between real space, namely atoms, valence electrons, bonds, and orbitals, and reciprocal space, namely bands and Fermi surfaces, via symmetry and topology, classifying topological materials within a single-particle picture is possible. Currently, most materials are classified as trivial insulators, semimetals, and metals or as topological insulators, Dirac and Weyl nodal-line semimetals, and topological metals. The key ingredients for topology are certain symmetries, the inert pair effect of the outer electrons leading to inversion of the conduction and valence bands, and spin-orbit coupling. This review presents the topological concepts related to solids from the viewpoint of a solid-state chemist, summarizes techniques for growing single crystals, and describes basic physical property measurement techniques to characterize topological materials beyond their structure and provide examples of such materials. Finally, a brief outlook on the impact of topology in other areas of chemistry is provided at the end of the article.
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Affiliation(s)
- Nitesh Kumar
- Max Planck Institute for
Chemical
Physics of Solids, 01187 Dresden, Germany
| | - Satya N. Guin
- Max Planck Institute for
Chemical
Physics of Solids, 01187 Dresden, Germany
| | - Kaustuv Manna
- Max Planck Institute for
Chemical
Physics of Solids, 01187 Dresden, Germany
| | - Chandra Shekhar
- Max Planck Institute for
Chemical
Physics of Solids, 01187 Dresden, Germany
| | - Claudia Felser
- Max Planck Institute for
Chemical
Physics of Solids, 01187 Dresden, Germany
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35
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Li YW, Wu Q, Ma RC, Sun XQ, Li DD, Du HM, Ma HY, Li DC, Wang SN, Dou JM. A Co-MOF-derived Co 9S 8@NS-C electrocatalyst for efficient hydrogen evolution reaction. RSC Adv 2021; 11:5947-5957. [PMID: 35423155 PMCID: PMC8694845 DOI: 10.1039/d0ra10864b] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Accepted: 01/15/2021] [Indexed: 12/12/2022] Open
Abstract
The exploitation of efficient hydrogen evolution reaction (HER) electrocatalysts has become increasingly urgent and imperative; however, it is also challenging for high-performance sustainable clean energy applications. Herein, novel Co9S8 nanoparticles embedded in a porous N,S-dual doped carbon composite (abbr. Co9S8@NS-C-900) were fabricated by the pyrolysis of a single crystal Co-MOF assisted with thiourea. Due to the synergistic benefit of combining Co9S8 nanoparticles with N,S-dual doped carbon, the composite showed efficient HER electrocatalytic activities and long-term durability in an alkaline solution. It shows a small overpotential of -86.4 mV at a current density of 10.0 mA cm-2, a small Tafel slope of 81.1 mV dec-1, and a large exchange current density (J 0) of 0.40 mA cm-2, which are comparable to those of Pt/C. More importantly, due to the protection of Co9S8 nanoparticles by the N,S-dual doped carbon shell, the Co9S8@NS-C-900 catalyst displays excellent long-term durability. There is almost no decay in HER activities after 1000 potential cycles or it retains 99.5% of the initial current after 48 h.
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Affiliation(s)
- Yun-Wu Li
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University Liaocheng 252000 P. R. China
| | - Qian Wu
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University Liaocheng 252000 P. R. China
| | - Rui-Cong Ma
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University Liaocheng 252000 P. R. China
| | - Xiao-Qi Sun
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University Liaocheng 252000 P. R. China
| | - Dan-Dan Li
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University Liaocheng 252000 P. R. China
| | - Hong-Mei Du
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University Liaocheng 252000 P. R. China
| | - Hui-Yan Ma
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University Liaocheng 252000 P. R. China
| | - Da-Cheng Li
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University Liaocheng 252000 P. R. China
| | - Su-Na Wang
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University Liaocheng 252000 P. R. China
| | - Jian-Min Dou
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University Liaocheng 252000 P. R. China
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Zhao F, Zhou S, Zhang Y. Ultrasensitive Detection of Hydrogen Peroxide Using Bi 2Te 3 Electrochemical Sensors. ACS APPLIED MATERIALS & INTERFACES 2021; 13:4761-4767. [PMID: 33440937 DOI: 10.1021/acsami.0c19911] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Electrochemical sensors, with high accuracy, good selectivity, and linear response, have been widely used for environmental protection, health monitoring, and disease treatment. However, to date, these sensors still have limit sensitivity or otherwise require the use of high-cost materials such as noble metals and enzymes. Here, we report a novel electrochemical sensor using a topological insulator, Bi2Te3. Through liquid-phase exfoliation, we prepared nano- and microflakes of Bi2Te3 and measured their performance in hydrogen peroxide sensing via electrocatalytic reduction processes. Our devices exhibit a sensitivity of ∼4900 μA mM-1 cm-2 and a detection limit of ∼10-8 molar, both of which are superior to typical noble metal-based electrochemical sensors. Through electrochemical analysis and microkinetic simulations, we extracted the kinetic parameters and gained insights into the reaction mechanism. We attribute the ultrahigh sensitivity to the facile electron transfer at the Bi2Te3-aqueous solution interface.
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Affiliation(s)
- Fujia Zhao
- Department of Materials Science and Engineering and Materials Research Laboratory, University of Illinois, Urbana, Illinois 61801, United States
| | - Shan Zhou
- Department of Materials Science and Engineering and Materials Research Laboratory, University of Illinois, Urbana, Illinois 61801, United States
| | - Yingjie Zhang
- Department of Materials Science and Engineering and Materials Research Laboratory, University of Illinois, Urbana, Illinois 61801, United States
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Bae D, Park K, Kwon H, Won D, Ling N, Baik H, Yang J, Park HJ, Cho J, Yang H, Jeong S, Cho S. Mitrofanovite, Layered Platinum Telluride, for Active Hydrogen Evolution. ACS APPLIED MATERIALS & INTERFACES 2021; 13:2437-2446. [PMID: 33350809 DOI: 10.1021/acsami.0c16098] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Two-dimensional (2D) layered catalysts have been considered as a class of ideal catalysts for hydrogen evolution reaction (HER) because of their abundant active sites with almost zero Gibbs energy change for hydrogen adsorption. Despite the promising performance, the design of stable and economic electrochemical catalyst based on 2D materials remains to be resolved for industrial-scale hydrogen production. Here, we report layered platinum tellurides, mitrofanovite Pt3Te4, which serves as an efficient and stable catalyst for HER with an overpotential of 39.6 mV and a Tafel slope of 32.7 mV/dec together with a high current density exceeding 7000 mA/cm2. Pt3Te4 was synthesized as nanocrystals on a metallic molybdenum ditelluride (MoTe2) template by a rapid electrochemical method. X-ray diffraction and high-resolution transmission microscopy revealed that the Pt3Te4 nanocrystals have a unique layered structure with repeated monolayer units of PtTe and PtTe2. Theoretical calculations exhibit that Pt3Te4 with numerous edges shows near-zero Gibbs free-energy change of hydrogen adsorption, which shows the excellent HER performance as well as the extremely large exchange current density for massive hydrogen production.
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Affiliation(s)
- Dongyeon Bae
- Division of Chemical Engineering and Materials Science, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Republic of Korea
- System Health & Engineering Major in Graduate School (BK21 Plus Program), Ewha Womans University, Seoul 03760, Republic of Korea
| | - Karam Park
- Department of Physics and Research Institute of Physics and Chemistry, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Hagyeong Kwon
- Division of Chemical Engineering and Materials Science, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Republic of Korea
- System Health & Engineering Major in Graduate School (BK21 Plus Program), Ewha Womans University, Seoul 03760, Republic of Korea
| | - Dongyeun Won
- Department of Energy Science, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Ning Ling
- Department of Energy Science, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Hionsuck Baik
- Seoul Center, Korea Basic Science Institute, Seoul 02841, Republic of Korea
| | - Jayoon Yang
- Western Seoul Center, Korea Basic Science Institute, Seoul 03759, Republic of Korea
| | - Hee Jung Park
- Western Seoul Center, Korea Basic Science Institute, Seoul 03759, Republic of Korea
| | - Jiung Cho
- Western Seoul Center, Korea Basic Science Institute, Seoul 03759, Republic of Korea
| | - Heejun Yang
- Department of Energy Science, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Sukmin Jeong
- Department of Physics and Research Institute of Physics and Chemistry, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Suyeon Cho
- Division of Chemical Engineering and Materials Science, ELTEC College of Engineering, Ewha Womans University, Seoul 03760, Republic of Korea
- System Health & Engineering Major in Graduate School (BK21 Plus Program), Ewha Womans University, Seoul 03760, Republic of Korea
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38
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Liu G, Chen XQ, Liu B, Ren W, Cheng HM. Six-membered-ring inorganic materials: definition and prospects. Natl Sci Rev 2021; 8:nwaa248. [PMID: 34691562 PMCID: PMC8294346 DOI: 10.1093/nsr/nwaa248] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Revised: 07/17/2020] [Accepted: 08/06/2020] [Indexed: 11/17/2022] Open
Abstract
The six-membered ring (SMR) is a common structure unit for numerous material systems. These materials include, but are not limited to, the typical two-dimensional materials such as graphene, h-BN, and transition metal dichalcogenides, as well as three-dimensional materials such as beryllium, magnesium, MgB2 and Bi2Se3. Although many of these materials have already become 'stars' in materials science and condensed-matter physics, little attention has been paid to the roles of the SMR unit across a wide range of compositions and structures. In this article, we systematically analyze these materials with respect to their very basic SMR structural unit, which has been found to play a deterministic role in the occurrence of many intriguing properties and phenomena, such as Dirac electronic and phononic spectra, superconductivity and topology. As a result, we have defined this group of materials as SMR inorganic materials, opening up a new perspective on materials research and development. With their unique properties, SMR materials deserve wide attention and in-depth investigation from materials design, new physical discoveries to target-wizard applications. It is expected that SMR materials will find niche applications in next-generation information technology, renewable energy, space, etc.
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Affiliation(s)
- Gang Liu
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
- School of Materials Science and Engineering, University of Science and Technology of China, Shenyang 110016, China
| | - Xing-Qiu Chen
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
- School of Materials Science and Engineering, University of Science and Technology of China, Shenyang 110016, China
| | - Bilu Liu
- Shenzhen Geim Graphene Center, Tsinghua-Berkeley Shenzhen Institute and Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Wencai Ren
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
- School of Materials Science and Engineering, University of Science and Technology of China, Shenyang 110016, China
| | - Hui-Ming Cheng
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
- School of Materials Science and Engineering, University of Science and Technology of China, Shenyang 110016, China
- Shenzhen Geim Graphene Center, Tsinghua-Berkeley Shenzhen Institute and Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
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Schröter NBM, Robredo I, Klemenz S, Kirby RJ, Krieger JA, Pei D, Yu T, Stolz S, Schmitt T, Dudin P, Kim TK, Cacho C, Schnyder A, Bergara A, Strocov VN, de Juan F, Vergniory MG, Schoop LM. Weyl fermions, Fermi arcs, and minority-spin carriers in ferromagnetic CoS 2. SCIENCE ADVANCES 2020; 6:6/51/eabd5000. [PMID: 33355138 DOI: 10.1126/sciadv.abd5000] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 11/05/2020] [Indexed: 06/12/2023]
Abstract
Magnetic Weyl semimetals are a newly discovered class of topological materials that may serve as a platform for exotic phenomena, such as axion insulators or the quantum anomalous Hall effect. Here, we use angle-resolved photoelectron spectroscopy and ab initio calculations to discover Weyl cones in CoS2, a ferromagnet with pyrite structure that has been long studied as a candidate for half-metallicity, which makes it an attractive material for spintronic devices. We directly observe the topological Fermi arc surface states that link the Weyl nodes, which will influence the performance of CoS2 as a spin injector by modifying its spin polarization at interfaces. In addition, we directly observe a minority-spin bulk electron pocket in the corner of the Brillouin zone, which proves that CoS2 cannot be a true half-metal.
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Affiliation(s)
- Niels B M Schröter
- Swiss Light Source, Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland.
| | - Iñigo Robredo
- Donostia International Physics Center, 20018 Donostia-San Sebastian, Spain
- Condensed Matter Physics Department, University of the Basque Country UPV/EHU, 48080 Bilbao, Spain
| | - Sebastian Klemenz
- Department of Chemistry, Princeton University, Princeton, NJ 08540, USA
| | - Robert J Kirby
- Department of Chemistry, Princeton University, Princeton, NJ 08540, USA
| | - Jonas A Krieger
- Swiss Light Source, Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
- Laboratorium für Festkörperphysik, ETH Zurich, CH-8093 Zurich, Switzerland
- Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
| | - Ding Pei
- Clarendon Laboratory, Department of Physics, University of Oxford, Oxford OX1 3PU, UK
| | - Tianlun Yu
- Swiss Light Source, Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
- Advanced Materials Laboratory, State Key Laboratory of Surface Physics and Department of Physics, Fudan University, Shanghai 200433, China
| | - Samuel Stolz
- EMPA, Swiss Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland
- Institute of Condensed Matter Physics, Station 3, EPFL, 1015 Lausanne, Switzerland
| | - Thorsten Schmitt
- Swiss Light Source, Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
| | | | | | | | - Andreas Schnyder
- Max Planck Institute for Solid State Research, 70569, Stuttgart, Germany
| | - Aitor Bergara
- Donostia International Physics Center, 20018 Donostia-San Sebastian, Spain
- Condensed Matter Physics Department, University of the Basque Country UPV/EHU, 48080 Bilbao, Spain
- Centro de Física de Materiales, Centro Mixto CSIC -UPV/EHU, 20018 Donostia, Spain
| | - Vladimir N Strocov
- Swiss Light Source, Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
| | - Fernando de Juan
- Donostia International Physics Center, 20018 Donostia-San Sebastian, Spain
- IKERBASQUE, Basque Foundation for Science, Maria Diaz de Haro 3, 48013 Bilbao, Spain
| | - Maia G Vergniory
- Donostia International Physics Center, 20018 Donostia-San Sebastian, Spain.
- IKERBASQUE, Basque Foundation for Science, Maria Diaz de Haro 3, 48013 Bilbao, Spain
| | - Leslie M Schoop
- Department of Chemistry, Princeton University, Princeton, NJ 08540, USA.
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40
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Qiu Y, Jia Q, Yan S, Liu B, Liu J, Ji X. Favorable Amorphous-Crystalline Iron Oxyhydroxide Phase Boundaries for Boosted Alkaline Water Oxidation. CHEMSUSCHEM 2020; 13:4911-4915. [PMID: 32729165 DOI: 10.1002/cssc.202001229] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 07/10/2020] [Indexed: 06/11/2023]
Abstract
Interface engineering has proven an effective strategy for designing high-performance water-oxidation catalysts. Interface construction combining the respective advantages of amorphous and crystalline phases, especially embedding amorphous phases in crystalline lattices, has been the focus of intensive research. This study concerns the construction of an amorphous-crystalline FeOOH phase boundary (a-c-FeOOH) by structural evolution of iron oxyhydroxide-isolated Fe(OH)3 precursors from one-step hydrothermal synthesis. a-c-FeOOH demonstrates superb electrocatalytic activity for the oxygen evolution reaction (OER) with overpotential of 330 mV to drive a current density of 300 mA cm-2 in 1.0 m KOH, which is among the best OER catalysts and much better than the pristine amorphous or crystalline FeOOH alone. Density functional theory calculations reveal that the high-density a-c phase boundaries play a critical role in determining high OER activity.
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Affiliation(s)
- Yanling Qiu
- College of Materials Science and Engineering, Qingdao University, Qingdao, 266071, Shandong, P. R. China
| | - Qiang Jia
- College of Materials Science and Engineering, Qingdao University, Qingdao, 266071, Shandong, P. R. China
| | - Shihai Yan
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, 266109, Shandong, P. R. China
| | - Bingping Liu
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, 266109, Shandong, P. R. China
| | - Jingquan Liu
- College of Materials Science and Engineering, Qingdao University, Qingdao, 266071, Shandong, P. R. China
| | - Xuqiang Ji
- College of Materials Science and Engineering, Qingdao University, Qingdao, 266071, Shandong, P. R. China
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Schröter NBM, Stolz S, Manna K, de Juan F, Vergniory MG, Krieger JA, Pei D, Schmitt T, Dudin P, Kim TK, Cacho C, Bradlyn B, Borrmann H, Schmidt M, Widmer R, Strocov VN, Felser C. Observation and control of maximal Chern numbers in a chiral topological semimetal. Science 2020; 369:179-183. [DOI: 10.1126/science.aaz3480] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Accepted: 05/07/2020] [Indexed: 11/02/2022]
Abstract
Topological semimetals feature protected nodal band degeneracies characterized by a topological invariant known as the Chern number (C). Nodal band crossings with linear dispersion are expected to have at most |C|=4, which sets an upper limit to the magnitude of many topological phenomena in these materials. Here, we show that the chiral crystal palladium gallium (PdGa) displays multifold band crossings, which are connected by exactly four surface Fermi arcs, thus proving that they carry the maximal Chern number magnitude of 4. By comparing two enantiomers, we observe a reversal of their Fermi-arc velocities, which demonstrates that the handedness of chiral crystals can be used to control the sign of their Chern numbers.
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Affiliation(s)
| | - Samuel Stolz
- EMPA, Swiss Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland
- Institute of Condensed Matter Physics, Station 3, EPFL, 1015 Lausanne, Switzerland
| | - Kaustuv Manna
- Max Planck Institute for Chemical Physics of Solids, Dresden D-01187, Germany
| | - Fernando de Juan
- Donostia International Physics Center, 20018 Donostia-San Sebastian, Spain
- IKERBASQUE, Basque Foundation for Science, Maria Diaz de Haro 3, 48013 Bilbao, Spain
| | - Maia G. Vergniory
- Donostia International Physics Center, 20018 Donostia-San Sebastian, Spain
- IKERBASQUE, Basque Foundation for Science, Maria Diaz de Haro 3, 48013 Bilbao, Spain
| | - Jonas A. Krieger
- Swiss Light Source, Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
- Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
- Laboratorium für Festkörperphysik, ETH Zurich, CH-8093 Zurich, Switzerland
| | - Ding Pei
- Clarendon Laboratory, Department of Physics, University of Oxford, Oxford OX1 3PU, UK
| | - Thorsten Schmitt
- Swiss Light Source, Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
| | | | | | | | - Barry Bradlyn
- Department of Physics and Institute for Condensed Matter Theory, University of Illinois at Urbana-Champaign, Urbana, IL 61801-3080, USA
| | - Horst Borrmann
- Max Planck Institute for Chemical Physics of Solids, Dresden D-01187, Germany
| | - Marcus Schmidt
- Max Planck Institute for Chemical Physics of Solids, Dresden D-01187, Germany
| | - Roland Widmer
- EMPA, Swiss Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland
| | - Vladimir N. Strocov
- Swiss Light Source, Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
| | - Claudia Felser
- Max Planck Institute for Chemical Physics of Solids, Dresden D-01187, Germany
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