1
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Wang J, Liu Z, Zhao Y, Dai Z, Hua J, Zhao M. Two-dimensional phosphorus carbides (β-PC) as highly efficient metal-free electrocatalysts for lithium-sulfur batteries: a first-principles study. Phys Chem Chem Phys 2024; 26:21642-21652. [PMID: 39087322 DOI: 10.1039/d4cp01881h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2024]
Abstract
Li-S batteries are considered as the next-generation batteries due to their exceptional theoretical capacity. However, their practical application is hampered by the shuttling effects of lithium polysulfides (LiPSs) and the sluggish Li2S decomposition, particularly the slow conversion from Li2S2 to Li2S. Addressing these challenges, the quest for effective catalysts that can accelerate the conversion of LiPSs and enhance the performance of Li-S batteries is crucial. In this study, we explored the electrocatalytic activity of two-dimensional phosphorus carbides (β0-PC and β1-PC) in Li-S batteries based on first-principles calculations. Our findings reveal that these materials demonstrate optimal binding strengths (ranging from 1.09 to 1.83 eV) with long-chain LiPSs, effectively preventing them from dissolving into the electrolyte. Additionally, they show remarkable catalytic activity during the sulfur redox reaction (SRR), with ΔG being only 0.37 eV for β0-PC and 0.13 eV for β1-PC. The low energy barrier induced by β-PC enhances ion migration barrier and significantly expedites the charge/discharge cycles of Li-S batteries. Furthermore, we investigated the conversion dynamics of Li2S2 to Li2S, employing the computational lithium electrode (CLE) model. The excellent performance in these aspects underscores the potential of these materials as electrocatalysts for Li-S batteries, paving the way for advanced high-efficiency energy storage solutions.
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Affiliation(s)
- Junru Wang
- Department of Physics, Yantai University, Yantai 264005, Shandong, China.
| | - Zhichao Liu
- Department of Physics, Yantai University, Yantai 264005, Shandong, China.
| | - Yinchang Zhao
- Department of Physics, Yantai University, Yantai 264005, Shandong, China.
| | - Zhenhong Dai
- Department of Physics, Yantai University, Yantai 264005, Shandong, China.
| | - Juan Hua
- Department of Physics, Yantai University, Yantai 264005, Shandong, China.
| | - Mingwen Zhao
- School of Physics & State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, Shandong, China.
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2
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Celis J, Cao W. Systematic DFT Modeling van der Waals Heterostructures from a Complete Configurational Basis Applied to γ-PC/WS 2. J Chem Theory Comput 2024; 20:2377-2389. [PMID: 38446034 DOI: 10.1021/acs.jctc.3c00932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2024]
Abstract
Periodic boundary conditions in density functional theory (DFT)-based modeling of bilayer van der Waals heterostructures introduce an artificial lock to a metastable configuration. Depending on the initial supercell, geometric optimization may reach local energy minima at a fixed twist-angle in a restricted strain-space. In this work, an algorithm was introduced for generating a complete scope of ways to combine two monolayer unit cells into a common supercell. In its application to γ-PC/WS2, 18,123 bilayer supercells were derived, for which the constituting monolayers possessed isotropic strains, anisotropic strains, or intralayer shear strains. Based on analysis, 45 isotropically strained configurations were carefully chosen for optimization by DFT. Geometric and energetic features and band structures were revealed and compared, following the variations at different strains and twist-angles. As such, this case study brought to resolution the impacts of supercell construction on DFT's outcomes and the merits of in-depth screening of the different options. Repetitions and extensions to the demonstrated approach may be applied to characterize van der Waals heterostructures and derivatives in the future.
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Affiliation(s)
- Joran Celis
- Nano and Molecular Systems Research Unit, Faculty of Science, University of Oulu, FIN-90014 Oulu, Finland
| | - Wei Cao
- Nano and Molecular Systems Research Unit, Faculty of Science, University of Oulu, FIN-90014 Oulu, Finland
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3
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Malayee F, Bagheri R, Nazari F, Illas F. Electrostatic Gating of Phosphorene Polymorphs. THE JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES 2024; 128:2997-3010. [PMID: 38414832 PMCID: PMC10895923 DOI: 10.1021/acs.jpcc.3c05876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 11/14/2023] [Accepted: 11/14/2023] [Indexed: 02/29/2024]
Abstract
The ability to directly monitor the states of electrons in modern field-effect transistors (FETs) could transform our understanding of the physics and improve the function of related devices. In particular, phosphorene allotropes present a fertile landscape for the development of high-performance FETs. Using density functional theory-based methods, we have systematically investigated the influence of electrostatic gating on the structures, stabilities, and fundamental electronic properties of pristine and carbon-doped monolayer (bilayer) phosphorene allotropes. The remarkable flexibility of phosphorene allotropes, arising from intra- and interlayer van der Waals interactions, causes a good resilience up to equivalent gate potential of two electrons per unit cell. The resilience depends on the stacking details in such a way that rotated bilayers show considerably higher thermodynamical stability than the unrotated ones, even at a high gate potential. In addition, a semiconductor to metal phase transition is observed in some of the rotated and carbon-doped structures with increased electronic transport relative to graphene in the context of real space Green's function formalism.
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Affiliation(s)
| | - Robabeh Bagheri
- Department
of Chemistry, Institute for Advanced Studies
in Basic Sciences, Zanjan 45137-66731, Iran
| | - Fariba Nazari
- Department
of Chemistry, Institute for Advanced Studies
in Basic Sciences, Zanjan 45137-66731, Iran
- Center
of Climate Change and Global Warming, Institute
for Advanced Studies in Basic Sciences, Zanjan 45137-66731, Iran
| | - Francesc Illas
- Departament
de Ciència de Materials i Química Física &
Institut de Química Teòrica i Computacional (IQTCUB), Universitat de Barcelona,C/Martí i Franquès 1, 08028 Barcelona, Spain
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4
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Gao W, Dou W, Zhou D, Song B, Niu T, Hua C, Wee ATS, Zhou M. Epitaxial Growth of 2D Binary Phosphides. SMALL METHODS 2024:e2301512. [PMID: 38175841 DOI: 10.1002/smtd.202301512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Indexed: 01/06/2024]
Abstract
Combinations of phosphorus with main group III, IV, and V elements are theoretically predicted to generate 2D binary phosphides with extraordinary properties and promising applications. However, experimental synthesis is significantly lacking. Here, a general approach for preparing 2D binary phosphides is reported using single crystalline surfaces containing the constituent element of target 2D materials as the substrate. To validate this, SnP3 and BiP, representing typical 2D binary phosphides, are successfully synthesized on Cu2 Sn and bismuthene, respectively. Scanning tunneling microscopy imaging reveals a hexagonal pattern of SnP3 on Cu2 Sn, while α-BiP can be epitaxially grown on the α-bismuthene domain on Cu2 Sb. First-principles calculations reveal that the formation of SnP3 on Cu2 Sn is associated with strong interface bonding and significant charge transfer, while α-BiP interacts weakly with α-bismuthene so that its semiconducting property is preserved. The study demonstrates an attractive avenue for the atomic-scale growth of binary 2D materials via substrate phase engineering.
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Affiliation(s)
- Wenjin Gao
- Collaborative Center for Physics and Chemistry, Institute of International Innovation, Beihang University, Hangzhou, 311115, China
- School of Physics, Beihang University, Beijing, 100191, China
| | - Wenzhen Dou
- Collaborative Center for Physics and Chemistry, Institute of International Innovation, Beihang University, Hangzhou, 311115, China
- School of Physics, Beihang University, Beijing, 100191, China
| | - Dechun Zhou
- Collaborative Center for Physics and Chemistry, Institute of International Innovation, Beihang University, Hangzhou, 311115, China
- Department of Physics, National University of Singapore, Singapore, 117551, Singapore
| | - Biyu Song
- Collaborative Center for Physics and Chemistry, Institute of International Innovation, Beihang University, Hangzhou, 311115, China
- School of Physics, Beihang University, Beijing, 100191, China
| | - Tianchao Niu
- Collaborative Center for Physics and Chemistry, Institute of International Innovation, Beihang University, Hangzhou, 311115, China
| | - Chenqiang Hua
- Collaborative Center for Physics and Chemistry, Institute of International Innovation, Beihang University, Hangzhou, 311115, China
| | - Andrew Thye Shen Wee
- Department of Physics, National University of Singapore, Singapore, 117551, Singapore
| | - Miao Zhou
- Collaborative Center for Physics and Chemistry, Institute of International Innovation, Beihang University, Hangzhou, 311115, China
- School of Physics, Beihang University, Beijing, 100191, China
- Tianmushan Laboratory, Hangzhou, 310023, China
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5
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Zhang W, Lou H, Yang G. 2D Metal-Free BSi 5 with an Intrinsic Metallicity and Remarkable HER Activity. J Phys Chem Lett 2023:11036-11042. [PMID: 38047885 DOI: 10.1021/acs.jpclett.3c03055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2023]
Abstract
One of the most urgent and attractive topics in electrocatalytic water splitting is the exploration of high-performance and low-cost catalysts. Herein, we have proposed three fresh two-dimensional nanostructures (BSi5, BSi4, and BSi3) with inherent metallicity contributed by delocalized π electrons based on first-principles calculations. Their planar atoms arrangement, akin to graphene, is in favor of the availability of active atoms and H adsorption/deadsorption. Among them, the BSi5 monolayer shows the best HER activity, even superior to a commercial Pt catalyst. Moreover, its extraordinary HER activity can be maintained under high H coverage and large biaxial strain, mainly originating from the fact that B 2pz orbital electrons are responsible for the B-H interaction. Further analysis reveals that there appears to be a linear correlation between the magnitude of B 2pz DOS at the Fermi level and Gibbs free energy in both three proposed nanostructures and five hypothetical B-Si nanostructures. Our work represents a significant step forward toward the design of metal-free HER catalysts.
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Affiliation(s)
- Wenyuan Zhang
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao 066004, China
| | - Huan Lou
- Department of Applied Physics, School of Science, Jiangsu University of Science and Technology, Zhenjiang 212100, China
| | - Guochun Yang
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao 066004, China
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6
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He C, Xu C, Zhang W. Instructive Synergistic Effect of Coordinating Phosphorus in Transition-Metal-Doped β-Phosphorus Carbide Guiding the Design of High-Performance CO 2RR Electrocatalysts. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 38035402 DOI: 10.1021/acsami.3c12767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
Developing efficient electrocatalysts for the CO2 reduction reaction (CO2RR) is the key and difficult point to alleviate energy and climate issues. The synergistic catalytic effects between metal and nonmetal elements have gained attention for the design of the CO2RR electrocatalysts. The realization of this effect requires a suitable combination of metal and nonmetal elements, as well as the support of suitable substrates. Based on this, the transition-metal-doped β-phosphorus carbide (TM-PC) (TM = 4d and 5d transition metals except Tc) catalysts are designed, and their structures, electronic properties, and CO2RR catalytic performances are studied in depth via first-principle calculations. The strong bonding ability and high reactivity brought by the moderate electronegativity and abundant electrons and orbitals of phosphorus are the key to the excellent catalytic performance of TM-PCs. Coordinating phosphorus atoms improve the catalyst activity in two ways: (1) regulating the electron transfer of the TM active site, and (2) acting as the active site and changing the reaction mechanism. With the participation of coordinating P atoms, the "relay" of active sites reduces the limiting potential values for the reduction from CO2 to CH4 catalyzed by Cr-PC and Mo-PC by 0.27 and 0.23 V, respectively, compared with pathways where only the TM atom is the active site, reaching -0.55 and -0.63 V, respectively. Regarding the coordinating P atom as the second active site, Cr-PC and Mo-PC can catalyze the production of CH3CH2OH at limiting potential values of -0.54 and -0.67 V, respectively. This study demonstrates the dramatic enhancement of catalytic activity caused by suitable nonmetal coordinating atoms such as P and provides a reference for the design of high-performance CO2RR electrocatalysts based on metal-nonmetal coordinating active centers.
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Affiliation(s)
- Cheng He
- State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Chang Xu
- State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Wenxue Zhang
- School of Materials Science and Engineering, Chang'an University, Xi'an 710064, China
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7
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Zhao Y, Zhang B, Lin J. Metal-free Janus α- and β-SiCP 4: designing stable and efficient two-dimensional semiconductors for water splitting. Phys Chem Chem Phys 2023; 25:26666-26678. [PMID: 37772486 DOI: 10.1039/d3cp03300g] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/30/2023]
Abstract
Two-dimensional (2D) semiconductors exhibit exceptional potential in the field of photocatalytic water splitting due to their unique structural characteristics and photoelectric properties. In this study, based on first-principles density functional theory, we theoretically proposed two SiCP4 Janus 2D semiconductors with high stability, namely monolayer α- and β-SiCP4. By performing the calculation of HSE06 functionals, the band structures of monolayer α- and β-SiCP4 have been estimated, and the results show that both α- and β-SiCP4 are direct-band-gap semiconductors with band gaps of 1.64 eV and 1.91 eV, respectively. Meanwhile, the band edge levels of monolayer α- and β-SiCP4 meet the band structure requirements of photocatalysts in water splitting. Notably, because of the internal build-in electric fields and tiny band gaps, monolayer α- and β-SiCP4 exhibit separated photogenerated electron-hole pairs and high solar-to-hydrogen (STH) efficiency, reaching up to 33.68% and 23.72%, respectively. Additionally, we also investigate the impact of uniaxial strain on electronic, optical and photocatalytic properties of monolayer α- and β-SiCP4 considering pH values ranging from 0 to 14. Our results demonstrate that the maximum STH efficiency for α-SiCP4 is achieved under X-direction strain (η) of 2%, Y-direction strain (η) of 8%, and pH values between 2 and 4. Conversely, β-SiCP4 exhibits the highest STH efficiency under X-direction strain (η) of 8%, Y-direction strain (η) of 6%, and pH values between 2 and 4.
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Affiliation(s)
- Yanfu Zhao
- School of Science, Jimei University, Xiamen, 361021, China.
- Semiconductor Industry and Technology Research Institute, Jimei University, Xiamen, 361021, China
- Department of Photoelectric Information Engineering, College of Photonic and Electronic Engineering, Fujian Normal University, Fuzhou, 350007, China
| | - Bofeng Zhang
- Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China.
| | - Jiahe Lin
- School of Science, Jimei University, Xiamen, 361021, China.
- Semiconductor Industry and Technology Research Institute, Jimei University, Xiamen, 361021, China
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8
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Gao J, Zhang W, Yan X, Zhang X, Wang S, Yang G. Metallic CrP 2 monolayer: potential applications in energy storage and conversion. Phys Chem Chem Phys 2023; 25:24705-24711. [PMID: 37668165 DOI: 10.1039/d3cp02917d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/06/2023]
Abstract
Phosphorus-rich compounds have emerged as a promising class of energy storage and conversion materials due to their interesting structures and electrochemical properties. Herein, we propose that a metallic CrP2 monolayer, isomorphic to 1H-phase MoS2, is a good prospect as an anode for K-ion batteries and a catalyst for hydrogen evolution through first-principles calculations. The CrP2 monolayer demonstrates not only a desirable high K storage capacity (940 mA h g-1) but also a low K-ion diffusion barrier (0.10 eV) and average open circuit voltage (0.40 V). On the other hand, its Gibbs free energy (0.02 eV)/active site density is superior/comparable to that of commercial Pt, resulting from the contribution of the lone pair electrons of the P atom. Its high structural stability and intrinsic metallicity can ensure high safety and performance during the cyclic process. These interesting properties make the CrP2 monolayer a promising multifunctional material for energy storage and conversion devices.
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Affiliation(s)
- Jiayu Gao
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao 066004, China.
| | - Wenyuan Zhang
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao 066004, China.
| | - Xu Yan
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao 066004, China.
| | - Xiaohua Zhang
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao 066004, China.
| | - Sheng Wang
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao 066004, China.
| | - Guochun Yang
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao 066004, China.
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9
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Fernández-Catalá J, Kistanov AA, Bai Y, Singh H, Cao W. Theoretical prediction and shape-controlled synthesis of two-dimensional semiconductive Ni 3TeO 6. NPJ 2D MATERIALS AND APPLICATIONS 2023; 7:48. [PMID: 38665483 PMCID: PMC11041737 DOI: 10.1038/s41699-023-00412-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 06/28/2023] [Indexed: 04/28/2024]
Abstract
Current progress in two-dimensional (2D) materials explorations leads to constant specie enrichments of possible advanced materials down to two dimensions. The metal chalcogenide-based 2D materials are promising grounds where many adjacent territories are waiting to be explored. Here, a stable monolayer Ni3TeO6 (NTO) structure was computationally predicted and its stacked 2D nanosheets experimentally synthesized. Theoretical design undergoes featuring coordination of metalloid chalcogen, slicing the bulk structure, geometrical optimizations and stability study. The predicted layered NTO structure is realized in nanometer-thick nanosheets via a one-pot shape-controlled hydrothermal synthesis. Compared to the bulk, the 2D NTO own a lowered bandgap energy, more sensitive wavelength selectivity and an emerging photocatalytic hydrogen evolution ability under visible light. Beside a new 2D NTO with the optoelectrical and photocatalytic merits, its existing polar space group, structural specification, and design route are hoped to benefit 2D semiconductor innovations both in species enrichment and future applications.
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Affiliation(s)
| | - Andrey A. Kistanov
- Nano and Molecular Systems Research Unit, University of Oulu, Oulu, FIN-90014 Finland
| | - Yang Bai
- Microelectronics Research Unit, Faculty of Information Technology and Electrical Engineering, University of Oulu, FI-90570 Oulu, Finland
| | - Harishchandra Singh
- Nano and Molecular Systems Research Unit, University of Oulu, Oulu, FIN-90014 Finland
| | - Wei Cao
- Nano and Molecular Systems Research Unit, University of Oulu, Oulu, FIN-90014 Finland
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10
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Kong L, Liang X, Wang M, Lawrence Wu CM. Role of transition metal d-orbitals in single-atom catalysts for nitric oxide electroreduction to ammonia. J Colloid Interface Sci 2023; 647:375-383. [PMID: 37269734 DOI: 10.1016/j.jcis.2023.05.158] [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: 04/03/2023] [Revised: 05/11/2023] [Accepted: 05/24/2023] [Indexed: 06/05/2023]
Abstract
Recently, surging interests exist in direct electrochemical ammonia (NH3) synthesis from nitric oxide (NO) due to the dual benefit of NH3 synthesis and NO removal. However, designing highly efficient catalysts is still challenging. Based on density functional theory, the best ten candidates of transition-metal atoms (TMs) embedded in phosphorus carbide (PC) monolayer is screened out as highly active catalysts for direct NO-to-NH3 electroreduction. The employment of machine learning-aided theoretical calculations helps to identify the critical role of TM-d orbitals in regulating NO activation. A V-shape tuning rule of TM-d orbitals for the Gibbs free energy change of NO or limiting potentials is further revealed as the design principle of TM embedded PC (TM-PC) for NO-to-NH3 electroreduction. Moreover, after employing effective screening strategies including surface stability, selectivity, the kinetic barrier of potential-determining step, and thermal stability comprehensively studied for the ten TM-PC candidates, only Pt embedded PC monolayer has been identified as the most promising direct NO-to-NH3 electroreduction with high feasibility and catalytic performance. This work not only offers a promising catalyst but also sheds light on the active origin and design principle of PC-based single-atom catalysts for NO-to-NH3 conversion.
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Affiliation(s)
- Lingyan Kong
- Department of Materials Science and Engineering, City University of Hong Kong, Tat Chee Avenue, Hong Kong Special Administrative Region
| | - Xiongyi Liang
- Department of Materials Science and Engineering, City University of Hong Kong, Tat Chee Avenue, Hong Kong Special Administrative Region
| | - Maohuai Wang
- Department of Materials Science and Engineering, City University of Hong Kong, Tat Chee Avenue, Hong Kong Special Administrative Region
| | - Chi-Man Lawrence Wu
- Department of Materials Science and Engineering, City University of Hong Kong, Tat Chee Avenue, Hong Kong Special Administrative Region.
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11
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Melville J, Licini AJ, Surendranath Y. Electrolytic Synthesis of White Phosphorus Is Promoted in Oxide-Deficient Molten Salts. ACS CENTRAL SCIENCE 2023; 9:373-380. [PMID: 36968533 PMCID: PMC10037495 DOI: 10.1021/acscentsci.2c01336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Indexed: 06/18/2023]
Abstract
Elemental white phosphorus (P4) is a key feedstock for the entire phosphorus-derived chemicals industry, spanning everything from herbicides to food additives. The electrochemical reduction of phosphate salts could enable the sustainable production of P4; however, such electrosynthesis requires the cleavage of strong, inert P-O bonds. By analogy to the promotion of bond activation in aqueous electrolytes with high proton activity (Brønsted-Lowry acidity), we show that low oxide anion activity (Lux-Flood acidity) enhances P-O bond activation in molten salt electrolytes. We develop electroanalytical tools to quantify the oxide dependence of phosphate reduction, and find that Lux acidic phosphoryl anhydride linkages enable selective, high-efficiency electrosynthesis of P4 at a yield of 95% Faradaic efficiency. These fundamental studies provide a foundation that may enable the development of low-carbon alternatives to legacy carbothermal synthesis of P4.
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12
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Huang H, Liu H, Ding M, Wang W, Zhang S. Polarization-resolved and helicity-resolved Raman spectra of monolayer XP 3 (X = Ge and In). Phys Chem Chem Phys 2023; 25:2366-2376. [PMID: 36598003 DOI: 10.1039/d2cp03925g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Monolayer XP3 (X = Ge, In) is a theoretically predicted two-dimensional (2D) material with fascinating adsorption efficiency, foreshadowing its potential applications in the photovoltaic and optoelectronic communities. To achieve a comprehensive understanding of its optical properties and to further boost quickly identifying its specific applications, in this paper we systematically investigated the polarization-resolved and helicity-resolved Raman spectra excited by two commonly used laser lines (532 nm and 633 nm) through density functional theory. The dynamical stability of monolayer XP3 is demonstrated by phonon dispersion. Monolayer GeP3 and InP3 are found to exhibit significantly different point group symmetries and thereby Raman properties due to the big difference in atomic size and electronic configurations between the Ge atom and In atom. Raman anisotropy of monolayer XP3 has been found when the wave vector of linear polarized incident light is parallel to the monolayer, and all the anisotropic Raman active phonons are categorized in terms of the locations of two (four) maxima in polarization angle dependent Raman intensities of the parallel (perpendicular) configuration. The polarization direction averaged Raman spectra have been further discussed according to the characteristics of light absorbance. The calculations of helicity-resolved Raman spectra indicate a stronger helicity selection rule under helical excitation with the wave vector normal to the monolayer. The present work paves the way for the suitable design, characterization and exploitation of the proposed 2D material with controllable surface properties for applications in electronics and optoelectronics.
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Affiliation(s)
- Haiming Huang
- Research Center for Advanced Information Materials (CAIM), Huangpu Research and Graduate School of Guangzhou University, Guangzhou 510555, China. .,Solid State Physics & Material Research Laboratory, School of Physics and Materials Science, Guangzhou University, Guangzhou 510006, China
| | - Huijun Liu
- Solid State Physics & Material Research Laboratory, School of Physics and Materials Science, Guangzhou University, Guangzhou 510006, China
| | - Mingquan Ding
- Research Center for Advanced Information Materials (CAIM), Huangpu Research and Graduate School of Guangzhou University, Guangzhou 510555, China. .,Solid State Physics & Material Research Laboratory, School of Physics and Materials Science, Guangzhou University, Guangzhou 510006, China
| | - Weiliang Wang
- School of Physics, Guangdong Province Key Laboratory of Display Material and Technology, Sun Yat-sen University, Guangzhou 510275, China.
| | - Shaolin Zhang
- Research Center for Advanced Information Materials (CAIM), Huangpu Research and Graduate School of Guangzhou University, Guangzhou 510555, China. .,Solid State Physics & Material Research Laboratory, School of Physics and Materials Science, Guangzhou University, Guangzhou 510006, China
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13
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Katin KP, Maslov MM, Nikitenko VR, Kochaev AI, Kaya S, Prezhdo OV. Anisotropic Carrier Mobility and Spectral Fingerprints of Two-Dimensional γ-Phosphorus Carbide with Antisite Defects. J Phys Chem Lett 2023; 14:214-220. [PMID: 36583652 DOI: 10.1021/acs.jpclett.2c03297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
We apply density functional theory to study carrier mobility in a γ-phosphorus carbide monolayer. Although previous calculations predicted high and anisotropic mobility in this material, we show that the mobility can be significantly influenced by common antisite defects. We demonstrate that at equilibrium concentrations defects do not inhibit carrier mobility up to temperatures of 1000 K. However, defects can change the mobility at high nonequilibrium concentrations of about 10-4 to 10-2 defects per atom. At the low end of this concentration range, defects act as traps for charge carriers and inhibit their mobility. At the high end of this range, defects change the effective carrier masses and deformation potentials, and they can lead to both an increase and a decrease in mobility. We also report the Raman and IR spectra associated with antisite defects. We predict new vibrational modes and shifts of the existing modes due to the defects.
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Affiliation(s)
- Konstantin P Katin
- Department of Condensed Matter Physics, National Research Nuclear University "MEPhI", Kashirskoe Sh. 31, Moscow, 115409, Russian Federation
| | - Mikhail M Maslov
- Department of Condensed Matter Physics, National Research Nuclear University "MEPhI", Kashirskoe Sh. 31, Moscow, 115409, Russian Federation
| | - Vladimir R Nikitenko
- Department of Condensed Matter Physics, National Research Nuclear University "MEPhI", Kashirskoe Sh. 31, Moscow, 115409, Russian Federation
| | - Alexey I Kochaev
- Research and Education Center "Silicon and Carbon Nanotechnologies", Ulyanovsk State University, 42 Leo Tolstoy Str., Ulyanovsk, 432017, Russian Federation
| | - Savas Kaya
- Health Services Vocational School, Department of Pharmacy, Sivas Cumhuriyet University, Sivas, 58140, Turkey
| | - Oleg V Prezhdo
- Department of Chemistry, University of Southern California, Los Angeles, 90089, CaliforniaUnited States
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14
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Xia J, Cao R, Zhao L, Wu Q. Structural screening and descriptor exploration of black phosphorus carbide supported bifunctional catalysts for lithium-sulfur batteries. J Colloid Interface Sci 2023; 630:317-327. [DOI: 10.1016/j.jcis.2022.10.098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 10/16/2022] [Accepted: 10/19/2022] [Indexed: 11/06/2022]
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15
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Gao J, Tang M, Zhang X, Yang G. Conductive C 3NS Monolayer with Superior Properties for K Ion Batteries. J Phys Chem Lett 2022; 13:12055-12060. [PMID: 36542526 DOI: 10.1021/acs.jpclett.2c03258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
K-ion batteries (KIBs) have been considered as appealing alternatives to Li ion batteries due to the high abundance of K, their high working voltages, and allowing the use of mature LIB technology. Thus far, anode materials that can meet the rigorous requirements of KIBs are still rather rare. Here, we have identified a desirable anode material, a metallic C3NS monolayer with high stability, a high storage capacity of 980 mAh/g, a low diffusion barrier of 0.24 eV, and a low open-circuit voltage of 0.36 V, through first-principles calculations. Metallic C3NSKn (n = 1-3) can ensure a high electron conductivity during the charge/discharge process. Valence electrons of the N atom in a triangular bipyramid configuration favor the formation of a planar edge-sharing hexagonal C4N2 unit and delocalized π bonding with C 2p electrons. The lone pair electrons of the S atom induce strong interactions with K atoms, facilitating storage capacity. These interesting properties make the C3NS monolayer a promising anode for KIBs.
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Affiliation(s)
- Jiayu Gao
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao066004, China
| | - Meng Tang
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao066004, China
- School of Physics and Electronics, Hunan University, Changsha410082, People's Republic of China
| | - Xiaohua Zhang
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao066004, China
| | - Guochun Yang
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao066004, China
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16
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Fu X, Cheng X, Liao W, Guo J, Li L. A metallic CP3 monolayer with very high absorption coefficients for visible light and as the CO2 absorbent. Chem Phys Lett 2022. [DOI: 10.1016/j.cplett.2022.140041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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17
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A Novel Two-Dimensional ZnSiP 2 Monolayer as an Anode Material for K-Ion Batteries and NO 2 Gas Sensing. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27196726. [PMID: 36235262 PMCID: PMC9573561 DOI: 10.3390/molecules27196726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 10/04/2022] [Accepted: 10/05/2022] [Indexed: 11/07/2022]
Abstract
Using the crystal-structure search technique and first-principles calculation, we report a new two-dimensional semiconductor, ZnSiP2, which was found to be stable by phonon, molecular-dynamic, and elastic-moduli simulations. ZnSiP2 has an indirect band gap of 1.79 eV and exhibits an anisotropic character mechanically. Here, we investigated the ZnSiP2 monolayer as an anode material for K-ion batteries and gas sensing for the adsorption of CO, CO2, SO2, NO, NO2, and NH3 gas molecules. Our calculations show that the ZnSiP2 monolayer possesses a theoretical capacity of 517 mAh/g for K ions and an ultralow diffusion barrier of 0.12 eV. Importantly, the ZnSiP2 monolayer exhibits metallic behavior after the adsorption of the K-atom layer, which provides better conductivity in a period of the battery cycle. In addition, the results show that the ZnSiP2 monolayer is highly sensitive and selective to NO2 gas molecules.
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18
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Yu T, Yang H, Cheng HM, Li F. Theoretical Progress of 2D Six-Membered-Ring Inorganic Materials as Anodes for Non-Lithium-Ion Batteries. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2107868. [PMID: 35957543 DOI: 10.1002/smll.202107868] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 05/15/2022] [Indexed: 06/15/2023]
Abstract
The use and storage of renewable and clean energy has become an important trend due to resource depletion, environmental pollution, and the rising price of refined fossil fuels. Confined by the limited resource and uneven distribution of lithium, non-lithium-ion batteries have become a new focus for energy storage. The six-membered-ring (SMR) is a common structural unit for numerous material systems. 2D SMR inorganic materials have unique advantages in the field of non-lithium energy storage, such as fast electrochemical reactions, abundant active sites and adjustable band gap. First-principles calculations based on density functional theory (DFT) can provide a basic understanding of materials at the atomic-level and establish the relationship between SMR structural units and electrochemical energy storage. In this review, the theoretical progress of 2D SMR inorganic materials in the field of non-lithium-ion batteries in recent years is discussed to summarize the common relationship among 2D SMR non-lithium energy storage anodes. Finally, the existing challenges are analyzed and potential solutions are proposed.
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Affiliation(s)
- Tong Yu
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, P. R. China
| | - Huicong Yang
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, P. R. China
- School of Materials Science and Engineering, University of Science and Technology of China, Shenyang, 110016, P. R. China
| | - Hui-Ming Cheng
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, P. R. China
- Institute of Technology for Carbon Neutrality, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Feng Li
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, P. R. China
- School of Materials Science and Engineering, University of Science and Technology of China, Shenyang, 110016, P. R. China
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19
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Hu X, Liu W, Yang J, Wang W, Sun L, Shi X, Hao Y, Zhang S, Zhou W. Tunneling transport of 2D anisotropic XC (X = P, As, Sb, Bi) with a direct band gap and high mobility: a DFT coupled with NEGF study. NANOSCALE 2022; 14:13608-13613. [PMID: 36070456 DOI: 10.1039/d2nr03578b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Direct bandgap and significant anisotropic properties are crucial and beneficial for nanoelectronic applications. In this work, through first-principles calculations, we investigate novel two-dimensional (2D) α-XC (X = P, As, Sb, Bi) materials, which possess a direct bandgap of 0.73 to 1.40 eV with remarkable anisotropic electronic properties. Intriguingly, 2D α-XC presents the highest electron mobility near 8 × 103 cm2 V-1 s-1 along the Γ-X direction. Moreover, the transfer characteristics of the 2D α-XC TFETs are thoroughly assessed through NEGF methods. AsC TFETs demonstrate an on-state current larger than 2.2 × 103 μA μm-1, which can satisfy the International Technology Roadmap for Semiconductors (ITRS) for high-performance requirements. In particular, the minimum value of subthreshold swing of devices is as low as 15 mV dec-1, indicating excellent device switching characteristics. The relevant calculation results show that 2D α-XC monolayers could be a promising candidate in next-generation high-performance device applications.
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Affiliation(s)
- Xuemin Hu
- School of Material Engineering, Jinling Institute of Technology, Nanjing 211169, China
| | - Wenqiang Liu
- Key Laboratory of Advanced Display Materials and Devices, Ministry of Industry and Information Technology, College of Material Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Jialin Yang
- Key Laboratory of Advanced Display Materials and Devices, Ministry of Industry and Information Technology, College of Material Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Wei Wang
- School of Material Engineering, Jinling Institute of Technology, Nanjing 211169, China
| | - Luanhong Sun
- School of Material Engineering, Jinling Institute of Technology, Nanjing 211169, China
| | - Xiaoqin Shi
- Key Laboratory of Advanced Display Materials and Devices, Ministry of Industry and Information Technology, College of Material Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Yufeng Hao
- National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Collaborative Innovation Center of Advanced Microstructures, and Jiangsu Key Laboratory of Artificial Functional Materials, Nanjing University, Nanjing 210093, China
| | - Shengli Zhang
- Key Laboratory of Advanced Display Materials and Devices, Ministry of Industry and Information Technology, College of Material Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Wenhan Zhou
- Key Laboratory of Advanced Display Materials and Devices, Ministry of Industry and Information Technology, College of Material Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
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20
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Li W, Li H, Khan K, Liu X, Wang H, Lin Y, Zhang L, Tareen AK, Wageh S, Al-Ghamdi AA, Teng D, Zhang H, Shi Z. Infrared Light Emission Devices Based on Two-Dimensional Materials. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12172996. [PMID: 36080035 PMCID: PMC9457538 DOI: 10.3390/nano12172996] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 08/18/2022] [Accepted: 08/28/2022] [Indexed: 05/25/2023]
Abstract
Two-dimensional (2D) materials have garnered considerable attention due to their advantageous properties, including tunable bandgap, prominent carrier mobility, tunable response and absorption spectral band, and so forth. The above-mentioned properties ensure that 2D materials hold great promise for various high-performance infrared (IR) applications, such as night vision, remote sensing, surveillance, target acquisition, optical communication, etc. Thus, it is of great significance to acquire better insight into IR applications based on 2D materials. In this review, we summarize the recent progress of 2D materials in IR light emission device applications. First, we introduce the background and motivation of the review, then the 2D materials suitable for IR light emission are presented, followed by a comprehensive review of 2D-material-based spontaneous emission and laser applications. Finally, further development directions and challenges are summarized. We believe that milestone investigations of 2D-material-based IR light emission applications will emerge soon, which are beneficial for 2D-material-based nano-device commercialization.
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Affiliation(s)
- Wenyi Li
- School of Physics & New Energy, Xuzhou University of Technology, Xuzhou 221018, China
| | - Hui Li
- School of Physics & New Energy, Xuzhou University of Technology, Xuzhou 221018, China
| | - Karim Khan
- Shenzhen Engineering Laboratory of Phosphorene and Optoelectronics, Collaborative Innovation Center for Optoelectronic Science and Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, China
- School of Electrical Engineering & Intelligentization, Dongguan University of Technology, Dongguan 523808, China
| | - Xiaosong Liu
- School of Physics & New Energy, Xuzhou University of Technology, Xuzhou 221018, China
| | - Hui Wang
- School of Physics & New Energy, Xuzhou University of Technology, Xuzhou 221018, China
| | - Yanping Lin
- School of Physics & New Energy, Xuzhou University of Technology, Xuzhou 221018, China
| | - Lishang Zhang
- School of Physics & New Energy, Xuzhou University of Technology, Xuzhou 221018, China
| | - Ayesha Khan Tareen
- Shenzhen Engineering Laboratory of Phosphorene and Optoelectronics, Collaborative Innovation Center for Optoelectronic Science and Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, China
- School of Mechanical Engineering, Dongguan University of Technology, Dongguan 523808, China
| | - S. Wageh
- Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Ahmed A. Al-Ghamdi
- Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Daoxiang Teng
- School of Physics & New Energy, Xuzhou University of Technology, Xuzhou 221018, China
| | - Han Zhang
- Shenzhen Engineering Laboratory of Phosphorene and Optoelectronics, Collaborative Innovation Center for Optoelectronic Science and Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, China
| | - Zhe Shi
- School of Physics & New Energy, Xuzhou University of Technology, Xuzhou 221018, China
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21
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Lin H, Zhu L, Zhang Z, Jin R, Huang Y, Hu Y. Semi-metallic PC5 monolayer as a superior anode material for potassium ion batteries: A first principles study. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128756] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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22
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Zhong M, Zeng W, Qin H, Zhu SH, Li XH, Liu FS, Tang B, Liu QJ. Doping effects on the antibonding states and carriers of two-dimensional PC 6. Phys Chem Chem Phys 2022; 24:10175-10183. [PMID: 35420088 DOI: 10.1039/d2cp00848c] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The absence of a bandgap in pristine graphene severely restricts its application, and there is high demand for other novel two-dimensional (2D) materials. PC6 has recently emerged as a promising 2D material with a direct band gap and ultrahigh carrier mobility. In light of the remarkable properties of an intrinsic PC6 monolayer, it would be intriguing to find out whether a doped PC6 monolayer displays properties superior to the pure system. In this study, we have performed density functional theory calculations to understand the doping effects of both P-site and C-site substitution in PC6 and, for the first time, we discovered doping-related impurity-level anomalies in this system. We successfully explained why no donor or acceptor defect states exist in the band structures of XP-PC6 (X = C, Ge, Sn, O, S, Se, or Te). In group-IV-substituted systems, these dopant states hybridize with host states near the Fermi level rather than act as acceptors, which is deemed to be a potential way to tune the mobility of PC6. In the case of group-VI substitution, the underlying mechanism relating to doping anomalies arises from excess electrons occupying antibonding states.
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Affiliation(s)
- Mi Zhong
- School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610031, People's Republic of China.
| | - Wei Zeng
- Teaching and Research Group of Chemistry, College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, People's Republic of China
| | - Han Qin
- School of Science, Xihua University, Chengdu 610039, People's Republic of China
| | - Sheng-Hai Zhu
- School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610031, People's Republic of China.
| | - Xing-Han Li
- School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610031, People's Republic of China.
| | - Fu-Sheng Liu
- School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610031, People's Republic of China.
| | - Bin Tang
- State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi'an 710072, People's Republic of China
| | - Qi-Jun Liu
- School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610031, People's Republic of China.
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23
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Li P, Jin H, Zhong G, Ji H, Li Z, Yang J. Electrochemistry of P-C Bonds in Phosphorus-Carbon Based Anode Materials. ACS APPLIED MATERIALS & INTERFACES 2022; 14:18506-18512. [PMID: 35437009 DOI: 10.1021/acsami.2c01494] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Phosphorus-carbon anode materials for alkali-metal ion storage in rechargeable batteries can simultaneously achieve high-energy density and fast charging. The P-C-bonded structure in the phosphorus-carbon materials has been observed and acknowledged to be a critical structural feature that renders improved cycling stability and rate performance. However, the underlying mechanisms, especially the role played by P-C bonds, remain elusive. By combining computational simulations and spectroscopic characterizations, we reveal that the stability of P-C bonds is critical to the electrochemical performance. In the discharge process, P-P bonds are fragile, while the bonding state of the P-C bonds is almost unchanged since electrons were mainly received by the P atoms to form lone pairs. The preserved P-C clusters can effectively serve as a reunion center for the recovery of P-P bonds in the recharging process, leading to a moderate energy change and improved cycling reversibility and structural stability of the phosphorous for electrochemical energy storage.
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Affiliation(s)
- Pai Li
- Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Hongchang Jin
- Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Guiming Zhong
- Dalian Institute of Chemical Physics, Dalian, Liaoning 116023, China
| | - Hengxing Ji
- Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Zhenyu Li
- Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Jinlong Yang
- Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui 230026, China
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24
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Li YP, Yang L, Liu HD, Jiao N, Ni MY, Hao N, Lu HY, Zhang P. Phonon-mediated superconductivity in two-dimensional hydrogenated phosphorus carbide: HPC 3. Phys Chem Chem Phys 2022; 24:9256-9262. [PMID: 35388845 DOI: 10.1039/d2cp00997h] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In recent years, three-dimensional (3D) high-temperature superconductors at ultrahigh pressure have been reported, typical examples are the polyhydrides H3S, LaH10, YH9, etc. To find high-temperature two-dimensional (2D) superconductors at atmospheric pressure is another research hotspot. Here, we investigated the possible superconductivity in a hydrogenated monolayer phosphorus carbide based on first-principles calculations. The results reveal that monolayer PC3 transforms from a semiconductor to a metal after hydrogenation. Interestingly, the C-π-bonding band contributes most to the states at the Fermi level. Based on the electron-phonon coupling mechanism, it is found that the electron-phonon coupling constant of HPC3 is 0.95, which mainly originates from the coupling of C-π electrons with the in-plane vibration modes of C and H. The calculated critical temperature Tc is 31.0 K, which is higher than those in most 2D superconductors. By further applying a biaxial tensile strain of 3%, the Tc can be boosted to 57.3 K, exceeding the McMillan limit. Thus, hydrogenation and strain are effective ways for increasing the superconducting Tc of 2D materials.
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Affiliation(s)
- Ya-Ping Li
- School of Physics and Physical Engineering, Qufu Normal University, Qufu 273165, China.
| | - Liu Yang
- School of Physics and Physical Engineering, Qufu Normal University, Qufu 273165, China.
| | - Hao-Dong Liu
- School of Physics and Physical Engineering, Qufu Normal University, Qufu 273165, China.
| | - Na Jiao
- School of Physics and Physical Engineering, Qufu Normal University, Qufu 273165, China.
| | - Mei-Yan Ni
- School of Physics and Physical Engineering, Qufu Normal University, Qufu 273165, China.
| | - Ning Hao
- Anhui Province Key Laboratory of Condensed Matter Physics at Extreme Conditions, High Magnetic Field Laboratory, HFIPS, Chinese Academy of Sciences, Hefei 230031, China
| | - Hong-Yan Lu
- School of Physics and Physical Engineering, Qufu Normal University, Qufu 273165, China.
| | - Ping Zhang
- School of Physics and Physical Engineering, Qufu Normal University, Qufu 273165, China. .,Institute of Applied Physics and Computational Mathematics, Beijing 100088, China
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25
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Lou H, Yu G, Tang M, Chen W, Yang G. Janus MoPC Monolayer with Superior Electrocatalytic Performance for the Hydrogen Evolution Reaction. ACS APPLIED MATERIALS & INTERFACES 2022; 14:7836-7844. [PMID: 35104411 DOI: 10.1021/acsami.1c20114] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Designing the earth's abundant and high-performance electrocatalysts, which possess high stability, excellent electrical conductivity, inherent active sites, and catalytic activity identical with Pt, is challenging but crucial for the hydrogen evolution reaction (HER). By first-principles structure search simulations, we identify a new two-dimensional (2D) MoPC material with the Janus structure as a promising catalyst. This novel 2D monolayer has superior stability and metallic conductivity. Especially, it exhibits a remarkable HER catalytic activity, where all of the constituent atoms, including Mo, P, and C, can uniformly act as active sites in view of the near-zero ΔGH* value. Its active site density counts up to 1.46 × 1015 site/cm2, larger than that of many reported materials and even comparable to Pt. The excellent HER catalytic activity can also be maintained at a very high H coverage with or without external strain. The MoPC monolayer can produce H2 spontaneously through the favorable Volmer-Heyrovsky pathway. The detailed catalytic mechanism behind the high HER activity has been also analyzed. Our work provides a feasible action for the experimental synthesis of excellent HER catalysts.
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Affiliation(s)
- Huan Lou
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao 066004, China
- Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun 130024, China
| | - Guangtao Yu
- Engineering Research Center of Industrial Biocatalysis, Fujian Province University, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350007, China
- Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry, Xiamen University, Xiamen 361005, China
| | - Meng Tang
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao 066004, China
- Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun 130024, China
| | - Wei Chen
- Engineering Research Center of Industrial Biocatalysis, Fujian Province University, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350007, China
- Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry, Xiamen University, Xiamen 361005, China
| | - Guochun Yang
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao 066004, China
- Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun 130024, China
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26
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High-Performance Photodetectors Based on the 2D SiAs/SnS2 Heterojunction. NANOMATERIALS 2022; 12:nano12030371. [PMID: 35159716 PMCID: PMC8840698 DOI: 10.3390/nano12030371] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/18/2022] [Accepted: 01/21/2022] [Indexed: 02/06/2023]
Abstract
Constructing 2D heterojunctions with high performance is the critical solution for the optoelectronic applications of 2D materials. This work reports on the studies on the preparation of high-quality van der Waals SiAs single crystals and high-performance photodetectors based on the 2D SiAs/SnS2 heterojunction. The crystals are grown using the chemical vapor transport (CVT) method and then the bulk crystals are exfoliated to a few layers. Raman spectroscopic characterization shows that the low wavenumber peaks from interlayer vibrations shift significantly along with SiAs’ thickness. In addition, when van der Waals heterojunctions of p-type SiAs/n-type SnS2 are fabricated, under the source-drain voltage of −1 V–1 V, they exhibit prominent rectification characteristics, and the ratio of forwarding conduction current to reverse shutdown current is close to 102, showing a muted response of 1 A/W under excitation light of 550 nm. The light responsivity and external quantum efficiency are increased by 100 times those of SiAs photodetectors. Our experimental results enrich the research on the IVA–VA group p-type layered semiconductors.
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27
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Rajput K, He J, Frauenheim T, Roy DR. Monolayer PC 3: A promising material for environmentally toxic nitrogen-containing multi gases. JOURNAL OF HAZARDOUS MATERIALS 2022; 422:126761. [PMID: 34418836 DOI: 10.1016/j.jhazmat.2021.126761] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 04/19/2021] [Accepted: 07/26/2021] [Indexed: 06/13/2023]
Abstract
Carbon and its analogous nanomaterials are beneficial for toxic gas sensors since they are used to increase the electrochemically active surface region and improve the transmission of electrons. The present article addresses a detailed investigation on the potential of the monolayer PC3 compound as a possible sensor material for environmentally toxic nitrogen-containing gases (NCGs), namely NH3, NO, and NO2. The entire work is carried out under the frameworks of density functional theory, ab-initio molecular dynamics simulations, and non-equilibrium Green's function approaches. The monolayer-gas interactions are studied with the van der Waals dispersion correction. The stability of pristine monolayer PC3 is confirmed through dynamical, mechanical, and thermal analyses. The mobility and relaxation time of 2D PC3 sensor material with NCGs are obtained in the range of 101-104 cm2 V-1 s-1 and 101-103 fs for armchair and zigzag directions, respectively. Out of six possible adsorption sites for toxic gases on the PC3 surface, the most prominent site is identified with the highest adsorption energy for all the NCGs. Considering the most stable configuration site of the NCGs, we have obtained relevant electronic properties by utilizing the band unfolding technique. The considerable adsorption energies are obtained for NO and NO2 compared to NH3. Although physisorption is observed for all the NCGs on the PC3 surface, NO2 is found to convert into NO and O at 5.05 ps (at 300 K) under molecular dynamics simulation. The maximum charge transfer (0.31e) and work function (5.17 eV) are observed for the NO2 gas molecule in the series. Along with the considerable adsorption energies for NO and NO2 gas molecules, their shorter recovery time (0.071 s and 0.037 s, respectively) from the PC3 surface also identifies 2D PC3 as a promising sensor material for those environmentally toxic gases. The experimental viability and actual implications for PC3 monolayer as NCGs sensor material are also confirmed by examining the humidity effect and transport properties with modeled sensor devices. The transport properties (I-V characteristics) reflect the significant sensitivity of PC3 monolayer toward NO and NO2 molecules. These results certainly confirm PC3 monolayer as a promising sensor material for NO and NO2 NCG molecules.
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Affiliation(s)
- Kaptan Rajput
- Materials and Biophysics Group, Department of Applied Physics, Sardar Vallabhbhai National Institute of Technology, Surat, India
| | - Junjie He
- Bremen Center for Computational Materials Science, University of Bremen, 28359 Bremen, Germany; Department of Physical and Macromolecular Chemistry & Charles University Centre of Advanced Materials, Faculty of Science, Charles University in Prague, Hlavova 8, Prague 2 128 43, Czech Republic
| | - Thomas Frauenheim
- Bremen Center for Computational Materials Science, University of Bremen, 28359 Bremen, Germany; Computational Science Research Center (CSRC) Beijing and Computational Science and Applied Research (CSAR) Institute, Shenzhen, Beijing 100193, China.
| | - Debesh R Roy
- Materials and Biophysics Group, Department of Applied Physics, Sardar Vallabhbhai National Institute of Technology, Surat, India; Bremen Center for Computational Materials Science, University of Bremen, 28359 Bremen, Germany; Hanse-Wissenschaftskolleg (HWK), Lehmkuhlenbusch 4, 27753 Delmenhorst, Germany.
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28
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Tao X, Jiang P, Dong Y, Yang X, Zheng X, Liu Y. Carbon phosphide nanoribbons with spatial inversion symmetry: robust generators of pure spin current with photogalvanic effect. Phys Chem Chem Phys 2022; 24:17131-17139. [DOI: 10.1039/d2cp01451c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Our recent work has demonstrated that spin-dependent photogalvanic effect (PGE) is an ideal way to induce pure spin current in certain centrosymmetric systems (Phys. Rev. B 102, 081402 (2020)), and...
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Spalenza P, de Souza FAL, Amorim RG, Scopel WL. Gas sensing detection in carbon phosphide monolayer: Improving CO x sensitivity through B-doping. Phys Chem Chem Phys 2022; 24:22067-22072. [DOI: 10.1039/d2cp02603a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A 2D materials engineering challenge is searching for a nanodevice capable to detect and distinguish gas molecules through electrical identification. Herein, the B-doped carbon phosphide monolayer (B-doped γ-CP) was explored...
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30
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Hu X, Liu W, Yang J, Zhang S, Ye Y. First-principles study on the electronic structures and contact properties of graphene/XC (X = P, As, Sb, and Bi) van der Waals heterostructures. Phys Chem Chem Phys 2021; 23:25136-25142. [PMID: 34729574 DOI: 10.1039/d1cp03850h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The electrical contacts at the van der Waals (vdW) interface between two-dimensional (2D) semiconductors and metal electrodes could dramatically affect the device performance. Herein, we construct a series of graphene (Gr)/XC (X = P, As, Sb, and Bi) vdW heterostructures, in which XC monolayers have aroused considerable attention recently as an emerging class of 2D semiconductors. The electronic structures and contact properties of Gr/XC vdW heterostructures are investigated systematically using first-principles calculations. The band structures indicate that both Gr/PC and Gr/AsC heterostructures form n-type Schottky contacts with Schottky barrier heights (SBHs) of 0.01 eV and 0.43 eV, respectively, while both Gr/SbC and Gr/BiC heterostructures preferably form Ohmic contacts. The different X atoms result in different work functions, electron flows, charge distributions and orientations of the dipole moment in Gr/XC heterostructures. Moreover, the tunneling probabilities increase with the increasing atom radius of X from P to Bi, indicating the most improved current and smaller contact resistance at the interfaces of Gr/BiC compared to Gr/PC, Gr/AsC and Gr/SbC heterostructures. Our work could provide meaningful information for designing high-performance nanoelectronic devices based on Gr/XC heterostructures.
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Affiliation(s)
- Xuemin Hu
- School of Material Engineering, Jinling Institute of Technology, Nanjing 211169, China.
| | - Wenqiang Liu
- MIIT Key Laboratory of Advanced Display Materials and Devices, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Jialin Yang
- MIIT Key Laboratory of Advanced Display Materials and Devices, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Shengli Zhang
- MIIT Key Laboratory of Advanced Display Materials and Devices, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China. .,National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China
| | - Yuanfeng Ye
- School of Material Engineering, Jinling Institute of Technology, Nanjing 211169, China.
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31
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Wang B, Tang M, Lou H, Li F, Bergara A, Yang G. Wide Band Gap P 3S Monolayer with Anisotropic and Ultrahigh Carrier Mobility. J Phys Chem Lett 2021; 12:8481-8488. [PMID: 34450014 DOI: 10.1021/acs.jpclett.1c02363] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Phosphorene has offered an additional advantage for developing new optoelectronic devices due to its anisotropic and high carrier mobility. However, its instability in air causes a rapid degradation of the performance of the device. Thus, improving the stability of phosphorene while maintaining its original properties has become the key to the development of high-performance electronic devices. Herein, we propose that the formation of two-dimensional (2D) P-rich P-S compounds could achieve this goal. First-principles swarm-structural searches revealed two previously unkonwn P3S and P2S monolayers. The P3S monolayer, consisting of n-bicyclo-P6 units along the armchair direction, exhibits anisotropic and wide band gap characteristics. Interestingly, its carrier mobility reaches 1.11 × 104 cm2 V-1 s-1 and is much higher than in phosphorene. Its electronic band gap and optical absorption coefficients in the ultraviolet region reach 2.71 eV and 105 cm-1, respectively. Additionally, the P3S monolayer has a high structural stability and resistance to air oxidation.
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Affiliation(s)
- Bo Wang
- Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun, Jilin 130024, China
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao, Hebei 066004, China
| | - Meng Tang
- Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun, Jilin 130024, China
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao, Hebei 066004, China
| | - Huan Lou
- Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun, Jilin 130024, China
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao, Hebei 066004, China
| | - Fei Li
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao, Hebei 066004, China
| | - Aitor Bergara
- Departamento de Física, Universidad del País Vasco-Euskal Herriko Unibertsitatea, UPV/EHU, 48080 Bilbao, Spain
- Donostia International Physics Center (DIPC), 20018 Donostia, Spain
- Centro de Física de Materiales CFM, Centro Mixto CSIC-UPV/EHU, 20018 Donostia, Spain
| | - Guochun Yang
- Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun, Jilin 130024, China
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao, Hebei 066004, China
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Tang M, Wang B, Lou H, Li F, Bergara A, Yang G. Anisotropic and High-Mobility C 3S Monolayer as a Photocatalyst for Water Splitting. J Phys Chem Lett 2021; 12:8320-8327. [PMID: 34428049 DOI: 10.1021/acs.jpclett.1c02430] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Taking into account the high conductivity and stability of carbon materials, such as graphene, and the strong polar covalent bonding character of main-group compounds, we explore potential 2D materials in the C-S binary system through first-principles structure search calculations. Herein, a hitherto unknown semiconducting C3S monolayer is identified, consisting of well-known n-biphenyl and S atom linked benzenes, exhibiting an obvious direction-dependent atomic arrangement. Thus, it exhibits anisotropic mechanical properties and carrier mobility. Its electron mobility reaches 2.14 × 104 cm2 V-1 s-1 in the b direction, along which n-biphenyl units are arranged, and is much higher than that in the well-used MoS2 monolayer and black phosphorus. Meanwhile, the C3S monolayer has high optical absorption coefficients (105 cm-1), high thermal and dynamical stabilities, and a moderate ability to split water. All these desirable properties make the C3S monolayer a promising candidate for applications in novel optoelectronic devices.
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Affiliation(s)
- Meng Tang
- Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun 130024, China
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao 066004, China
| | - Bo Wang
- Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun 130024, China
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao 066004, China
| | - Huan Lou
- Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun 130024, China
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao 066004, China
| | - Fei Li
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao 066004, China
| | - Aitor Bergara
- Departamento de Física, Universidad del País Vasco-Euskal Herriko Unibertsitatea, UPV/EHU, 48080 Bilbao, Spain
- Donostia International Physics Center (DIPC), 20018 Donostia, Spain
- Centro de Física de Materiales CFM, Centro Mixto CSIC-UPV/EHU, 20018 Donostia, Spain
| | - Guochun Yang
- Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun 130024, China
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao 066004, China
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33
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Zhang W, Chai C, Fan Q, Song Y, Yang Y. Structural, Electronic, and Optical Properties of Hexagonal XC 6 (X=N, P, As, and Sb) Monolayers. Chemphyschem 2021; 22:1124-1133. [PMID: 33871928 DOI: 10.1002/cphc.202100055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 04/14/2021] [Indexed: 11/07/2022]
Abstract
Based on first-principles calculations, a novel family of two-dimensional (2D) IV-V compounds, XC6 (X=N, P, As and Sb), is proposed. These compounds exhibit excellent stability, as determined from the cohesive energies, phonon dispersion analysis, ab initio molecular dynamics (AIMD) simulations, and mechanical properties. In this type of structure, the carbon atom is sp2 hybridized, whereas the X (N, P, As and Sb) atom is nonplanar sp3 hybridized with one 2pz orbital filled with lone pair electrons. NC6 , PC6 , AsC6 and SbC6 monolayers are intrinsic indirect semiconductors with wide bandgaps of 2.02, 2.36, 2.77, and 2.85 eV (based on HSE06 calculations), respectively. After applying mechanical strain, PC6 , AsC6 and SbC6 monolayers can be transformed from indirect to direct semiconductors. The appropriate bandgaps and well-located band edge positions make XC6 monolayers potential materials for photocatalytic water splitting. XC6 family members also have high absorption coefficients (∼105 cm-1 ) in the ultraviolet region and higher electron mobilities (∼103 cm2 V-1 s-1 ) than many known 2D semiconductors.
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Affiliation(s)
- Wei Zhang
- School of Microelectronics, Xidian University, Xi'an, 710071, China
| | - Changchun Chai
- School of Microelectronics, Xidian University, Xi'an, 710071, China
| | - Qingyang Fan
- College of Information and Control Engineering, Xi'an University of Architecture and Technology, Xi'an, 710071, China
| | - Yanxing Song
- School of Microelectronics, Xidian University, Xi'an, 710071, China
| | - Yintang Yang
- School of Microelectronics, Xidian University, Xi'an, 710071, China
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34
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Kistanov AA, Shcherbinin SA, Ustiuzhanina SV, Huttula M, Cao W, Nikitenko VR, Prezhdo OV. First-Principles Prediction of Two-Dimensional B 3C 2P 3 and B 2C 4P 2: Structural Stability, Fundamental Properties, and Renewable Energy Applications. J Phys Chem Lett 2021; 12:3436-3442. [PMID: 33789049 DOI: 10.1021/acs.jpclett.1c00411] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
The existence of two novel hybrid two-dimensional (2D) monolayers, 2D B3C2P3 and 2D B2C4P2, has been predicted based on the density functional theory calculations. It has been shown that these materials possess structural and thermodynamic stability. 2D B3C2P3 is a moderate band gap semiconductor, while 2D B2C4P2 is a zero band gap semiconductor. It has also been shown that 2D B3C2P3 has a highly tunable band gap under the effect of strain and substrate engineering. Moreover, 2D B3C2P3 produces low barriers for dissociation of water and hydrogen molecules on its surface, and shows fast recovery after desorption of the molecules. The novel materials can be fabricated by carbon doping of boron phosphide and directly by arc discharge and laser ablation and vaporization. Applications of 2D B3C2P3 in renewable energy and straintronic nanodevices have been proposed.
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Affiliation(s)
- Andrey A Kistanov
- Nano and Molecular Systems Research Unit, University of Oulu, Oulu 90014, Finland
| | - Stepan A Shcherbinin
- Peter the Great Saint Petersburg Polytechnical University, Saint Petersburg 195251, Russia
- Southern Federal University, Rostov-on-Don 344006, Russia
| | - Svetlana V Ustiuzhanina
- Institute for Metals Superplasticity Problems Russian Academy of Sciences, Ufa 450001, Russia
| | - Marko Huttula
- Nano and Molecular Systems Research Unit, University of Oulu, Oulu 90014, Finland
| | - Wei Cao
- Nano and Molecular Systems Research Unit, University of Oulu, Oulu 90014, Finland
| | | | - Oleg V Prezhdo
- Department of Chemistry, University of Southern California, Los Angeles, California 90089, United States
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35
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Liu W, Bao H, Li Y, Ma F. Highly tunable electronic structure and linear dichroism in 90° twisted α-phosphorus carbide bilayer: a first-principles calculation. Phys Chem Chem Phys 2021; 23:7080-7087. [PMID: 33734249 DOI: 10.1039/d0cp06619b] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
α-Phosphorus carbide (α-PC) shares a similar puckered structure with black phosphorus and has a high carrier mobility, showing great application potential in the future nano-electronic devices. Based on first-principles calculations, we reveal that an interlayer twist angle of 90° results in a symmetric band dispersion and spatial separation of electronic states in the α-PC bilayer, leading to isotropic electrical transport. Nevertheless, the anisotropic electronic states can be rebooted by introducing an out-of-plane electrostatic potential or an in-plane deformation potential, both of which can break the energy degeneracy and continuously modulate the bandgap of the 90° twisted bilayer. This highly tunable band structure can also induce a directionally exchangeable optical linear dichroism by flipping the voltage sign or changing the strain mode. These results indicate that the combination of the interlayer twist and gating/strain technique provides great flexibility to control the anisotropic behaviors in 2D puckered materials.
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Affiliation(s)
- Weiwei Liu
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, 710049, China.
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36
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Kistanov AA, Nikitenko VR, Prezhdo OV. Point Defects in Two-Dimensional γ-Phosphorus Carbide. J Phys Chem Lett 2021; 12:620-626. [PMID: 33382627 DOI: 10.1021/acs.jpclett.0c03608] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Defects are inevitably present in two-dimensional (2D) materials and usually govern their various properties. Here, a comprehensive density functional theory-based investigation of seven kinds of point defects in a recently produced γ allotrope of 2D phosphorus carbide (γ-PC) is conducted. The defects, such as antisites, single C or P, and double C and P and C and C vacancies, are found to be stable in γ-PC, while the Stone-Wales defect is not presented in γ-PC due to its transition-metal dichalcogenides-like structure. The formation energies, stability, and surface density of the considered defect species as well as their influence on the electronic structure of γ-PC is systematically identified. The formation of point defects in γ-PC is found to be less energetically favorable than in graphene, phosphorene, and MoS2. Meanwhile, defects can significantly modulate the electronic structure of γ-PC by inducing hole/electron doping. The predicted scanning tunneling microscopy images suggest that most of the point defects are easy to distinguish from each other and that they can be easily recognized in experiments.
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Affiliation(s)
- Andrey A Kistanov
- Nano and Molecular Systems Research Unit, University of Oulu, 90014 Oulu, Finland
| | | | - Oleg V Prezhdo
- National Research Nuclear University MEPhI, 115409 Moscow, Russia
- Department of Chemistry, University of Southern California, Los Angeles, California 90089, United States
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37
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Chabi S, Kadel K. Two-Dimensional Silicon Carbide: Emerging Direct Band Gap Semiconductor. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E2226. [PMID: 33182438 PMCID: PMC7697452 DOI: 10.3390/nano10112226] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 11/05/2020] [Accepted: 11/06/2020] [Indexed: 11/17/2022]
Abstract
As a direct wide bandgap semiconducting material, two-dimensional, 2D, silicon carbide has the potential to bring revolutionary advances into optoelectronic and electronic devices. It can overcome current limitations with silicon, bulk SiC, and gapless graphene. In addition to SiC, which is the most stable form of monolayer silicon carbide, other compositions, i.e., SixCy, are also predicted to be energetically favorable. Depending on the stoichiometry and bonding, monolayer SixCy may behave as a semiconductor, semimetal or topological insulator. With different Si/C ratios, the emerging 2D silicon carbide materials could attain novel electronic, optical, magnetic, mechanical, and chemical properties that go beyond those of graphene, silicene, and already discovered 2D semiconducting materials. This paper summarizes key findings in 2D SiC and provides insight into how changing the arrangement of silicon and carbon atoms in SiC will unlock incredible electronic, magnetic, and optical properties. It also highlights the significance of these properties for electronics, optoelectronics, magnetic, and energy devices. Finally, it will discuss potential synthesis approaches that can be used to grow 2D silicon carbide.
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Affiliation(s)
- Sakineh Chabi
- Department of Mechanical Engineering, University of New Mexico, Albuquerque, NM 87131, USA;
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38
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Chen T, Li H, Zhu Y, Liu D, Zhou G, Xu L. Carbon phosphide nanosheets and nanoribbons: insights on modulating their electronic properties by first principles calculations. Phys Chem Chem Phys 2020; 22:22520-22528. [PMID: 33000812 DOI: 10.1039/d0cp03615c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
A carbon phosphide (CP) monolayer, a 2D structure derived from the same 3-fold coordination found both in graphene and phosphorene, has been successfully synthesized in an experiment recently. In this paper, we investigated the modulation of electronic structures and transport characteristics of 2D nanosheets and quasi-1D nanoribbons of CP nanomaterials in the α-phase by using first-principles density functional theory simulation. The calculated band structures show that the band gap of 2D CP nanosheets progressively increases as the uniform biaxial strain changes from compression to stretching. However, the biaxial strain cannot change the indirect band gap behavior of the original 2D CP nanosheet. In addition, the band structures of quasi-1D nanoribbons with different styles of H-passivated zigzag edges have also been studied. The results show that the H-passivated zigzag PC ribbons with two P edges are semiconductors with indirect band gaps, and the gaps decrease with increasing width of ribbons. However, the H-passivated CP nanoribbons with one P-atom terminated edge in combination with one P-atom edge, and H-passivated CC nanoribbons with two C-atom terminated edges display metallic behaviors. The semi-conductive or metallic behaviors of zigzag CP nanoribbons can be explained by presenting the wave function of their energy band around the Fermi level. Finally, the electronic transport properties of different CP nanoribbon based nanojunctions are studied in which arise the interesting negative differential resistance or rectification effects in their current-voltage characteristic curves.
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Affiliation(s)
- Tong Chen
- School of Energy and Mechanical Engineering, Jiangxi University of Science and Technology, Nanchang 330013, China.
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Chen D, Chen Z, Lu Z, Zhang X, Tang J, Singh CV. Transition metal-N 4 embedded black phosphorus carbide as a high-performance bifunctional electrocatalyst for ORR/OER. NANOSCALE 2020; 12:18721-18732. [PMID: 32896844 DOI: 10.1039/d0nr03339a] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Designing highly active electrocatalysts for oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) is an important challenge in energy conversion and storage technology. In this work, based on computational screening over doping of 23 kinds of transition metals (TMs), we use first-principles study to explore the ORR and OER activity of TM-N4 embedded black phosphorus carbide monolayer (b-PC). The results show that its catalytic performance highly depends on the number of electrons in the d orbital and the number of valence electrons of introduced TM atom. Moreover, we found that Co-N4-bPC (ηORR = 0.31 V; ηOER = 0.22 V), Rh-N4-bPC (ηORR = 0.33 V; ηOER = 0.62 V), and Ir-N4-bPC (ηORR = 0.21 V; ηOER = 0.21 V) can be promising candidates as bifunctional catalysts for both the ORR and OER and can be comparable or superior to TM-N4-graphene in terms of overpotential. They experience no structural distortion at 500 K. Moreover, the exfoliation energy of b-PC is lower than that of graphene, and these three promising candidates show much lower formation energy than TM-N4-graphene. Our study provides a systematical method for designing and developing high performance 2D material-based single atom catalysts (SACs) beyond graphene.
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Affiliation(s)
- Dachang Chen
- School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China.. and Department of Materials Science and Engineering, University of Toronto, Toronto, Ontario M5S 3E4, Canada..
| | - Zhiwen Chen
- Department of Materials Science and Engineering, University of Toronto, Toronto, Ontario M5S 3E4, Canada..
| | - Zhuole Lu
- Department of Materials Science and Engineering, University of Toronto, Toronto, Ontario M5S 3E4, Canada..
| | - Xiaoxing Zhang
- School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China.. and Hubei Key Laboratory for High-efficiency Utilization of Solar Energy and Operation Control of Energy Storage System, Hubei University of Technology, Wuhan 430068, China
| | - Ju Tang
- School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China..
| | - Chandra Veer Singh
- Department of Materials Science and Engineering, University of Toronto, Toronto, Ontario M5S 3E4, Canada.. and Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, Ontario M5S 3G8, Canada
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40
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Lan C, Shi Z, Cao R, Li C, Zhang H. 2D materials beyond graphene toward Si integrated infrared optoelectronic devices. NANOSCALE 2020; 12:11784-11807. [PMID: 32462161 DOI: 10.1039/d0nr02574g] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Since the discovery of graphene in 2004, it has become a worldwide hot topic due to its fascinating properties. However, the zero band gap and weak light absorption of graphene strictly restrict its applications in optoelectronic devices. In this regard, semiconducting two-dimensional (2D) materials are thought to be promising candidates for next-generation optoelectronic devices. Infrared (IR) light has gained intensive attention due to its vast applications, including night vision, remote sensing, target acquisition, optical communication, etc. Consequently, the generation, modulation, and detection of IR light are crucial for practical applications. Due to the van der Waals interaction between 2D materials and Si, the lattice mismatch of 2D materials and Si can be neglected; consequently, the integration process can be achieved easily. Herein, we review the recent progress of semiconducting 2D materials in IR optoelectronic devices. Firstly, we introduce the background and motivation of the review. Then, the suitable materials for IR applications are presented, followed by a comprehensive review of the applications of 2D materials in light emitting devices, optical modulators, and photodetectors. Finally, the problems encountered and further developments are summarized. We believe that milestone investigations of IR optoelectronics based on 2D materials beyond graphene will emerge soon, which will bring about great industrial revelations in 2D material-based integrated nanodevice commercialization.
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Affiliation(s)
- Changyong Lan
- State Key Laboratory of Electronic Thin Films and Integrated Devices, and School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China.
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41
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Kistanov AA, Korznikova EA, Huttula M, Cao W. The interaction of two-dimensional α- and β-phosphorus carbide with environmental molecules: a DFT study. Phys Chem Chem Phys 2020; 22:11307-11313. [PMID: 32400830 DOI: 10.1039/d0cp01607a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The recently fabricated two-dimensional phosphorus carbide (PC) has been proposed for application in different nanodevices such as nanoantennas and field-effect transistors. However, the effect of ambient molecules on the properties of PC and, hence, the productivity of PC-based devices is still unknown. Herein a first-principles investigation is performed to study the most structurally stable α- and β-PC allotropes upon their interaction with environmental molecules, including NH3, NO, NO2, H2O, and O2. It is predicted that NH3, H2O, and O2 are physisorbed on α- and β-PC while NO and NO2 may easily form a covalent bond with the PC. Importantly, NO and NO2 possess low adsorption energies on PC which compared to these on graphene and phosphorene. Moreover, both molecules are strong acceptors to PC with a giant charge transfer of ∼1 e per molecule. For all the considered molecules PC is found to be more sensitive compared to graphene and phosphorene. The present work provides useful insight into the effects of environmental molecules on the structure and electronic properties of α- and β-PC, which may be important for their manufacturing, storage, and application in gas sensors and electronic devices.
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Affiliation(s)
- Andrey A Kistanov
- Nano and Molecular Systems Research Unit, University of Oulu, 90014 Oulu, Finland.
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Yao H, Wang Q, Li J, Cai W, Wei Y, Wang B, Wang J. Two-dimensional few-layered PC 3 as a promising photocatalyst for overall water splitting. Phys Chem Chem Phys 2020; 22:9477-9486. [PMID: 32315000 DOI: 10.1039/d0cp01392g] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Recently, 2D carbon phosphides (PCs) have attracted much attention due to their superior electronic and photovoltaic properties suitable for potential applications in field effect transistors and photodetectors. In this work, we systematically investigate the stability, electronic properties, optical absorption and photocatalytic water splitting performance of few-layered PC3 by using the first principles calculation method. Numerical results indicate that both monolayered and bilayered PC3 can serve as efficient photocatalysts for overall water splitting due to their high stability, moderate band gaps, suitable band edge positions, anisotropic high carrier mobilities and strong capacity of solar absorption. Compared with monolayered PC3, bilayered PC3 displays higher carrier mobilities (2500-23 000 cm2 V-1 s-1) and a wider optical absorption spectrum. Moreover, by applying an in-plane biaxial strain, the utilization of solar energy and the pH range suitable for overall water splitting can be improved effectively for both monolayered and bilayered PC3. Our work reliably expands the potential application of 2D few-layered PC3 in the field of nano-electronics and nano-optoelectronics.
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Affiliation(s)
- Hui Yao
- Shenzhen Key Laboratory of Advanced Thin Films and Applications, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China.
| | - Qiang Wang
- Shenzhen Key Laboratory of Advanced Thin Films and Applications, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China.
| | - Jianwei Li
- Shenzhen Key Laboratory of Advanced Thin Films and Applications, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China.
| | - Weishan Cai
- Shenzhen Key Laboratory of Advanced Thin Films and Applications, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China.
| | - Yadong Wei
- Shenzhen Key Laboratory of Advanced Thin Films and Applications, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China.
| | - Bin Wang
- Shenzhen Key Laboratory of Advanced Thin Films and Applications, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China.
| | - Jian Wang
- Shenzhen Key Laboratory of Advanced Thin Films and Applications, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China.
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Abstract
In the present article, we report the thermoelectric properties of monolayer PC3 for the first time. The structural, vibrational, electronic and thermoelectric properties of PC3 are investigated in detail using a combination of density functional and Boltzman transport theory, and are compared to the carbon (graphene) and phosphorous (phosphorene) analogues. The results show that the PC3 monolayer is dynamically stable and robust upon oxygen contact as well. Also, PC3 is found to be an indirect band gap semiconductor in comparison to the zero gap carbon (graphene) and direct gap phosphorous (phosphorene) analogues. The effect of axial strains is also investigated on the electronic and thermoelectric properties of PC3. The present work reveals monolayer PC3 to be an excellent thermoelectric material with significant thermoelectric performance (ZT ∼ 1) for a large scale operating temperature range of 200-1200 K.
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Affiliation(s)
- Kaptan Rajput
- Materials and Biophysics Group, Department of Applied Physics, S. V. National Institute of Technology, Surat 395007, India.
| | - Debesh R Roy
- Materials and Biophysics Group, Department of Applied Physics, S. V. National Institute of Technology, Surat 395007, India. and Hanse-Wissenschaftskolleg (HWK), Lehmkuhlenbusch 4, 27753 Delmenhorst, Germany
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Lin J, Yu T, Han F, Yang G. Computational predictions of two‐dimensional anode materials of metal‐ion batteries. WILEY INTERDISCIPLINARY REVIEWS-COMPUTATIONAL MOLECULAR SCIENCE 2020. [DOI: 10.1002/wcms.1473] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Jianyan Lin
- Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light‐Emitting Materials and Technology of Ministry of Education Northeast Normal University Changchun China
| | - Tong Yu
- Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light‐Emitting Materials and Technology of Ministry of Education Northeast Normal University Changchun China
| | - Fanjunjie Han
- Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light‐Emitting Materials and Technology of Ministry of Education Northeast Normal University Changchun China
| | - Guochun Yang
- Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light‐Emitting Materials and Technology of Ministry of Education Northeast Normal University Changchun China
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45
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Liu Y, Song X, Yang Y, Li YQ, Zhao M, Mu Y, Li W. Anisotropic protein diffusion on nanosurface. NANOSCALE 2020; 12:5209-5216. [PMID: 32073019 DOI: 10.1039/c9nr08555f] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The unique puckered structure of α-phase phosphorene carbide (α-PC) results in anisotropic electronic and thermal transporting properties. In the present work, the interactions between a model protein, villin headpiece sub-domain (HP35), and the surface of α-PC and monolayer black phosphorus (MBP, another puckered nanostructure) were explored by molecular dynamic (MD) simulations. It is found that HP35 diffuses quickly only along the zigzag direction of the α-PC surface. On the MBP surface, HP35 migrates mainly along the zigzag direction but can also easily stride over the ridges and grooves along the armchair direction. Moreover, the mild binding strength between α-PC and HP35 does not cause distortion in the protein structure. The intrinsic biocompatibility of α-PC, which is distinct from several other widely studied nanomaterials, such as carbon nanotubes, graphene and MoS2, makes it a promising candidate in functional biomedical applications.
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Affiliation(s)
- Yang Liu
- School of Physics and State Key Laboratory of Crystal Materials, Shandong University, Jinan, Shandong 250100, China.
| | - Xiaohan Song
- School of Physics and State Key Laboratory of Crystal Materials, Shandong University, Jinan, Shandong 250100, China.
| | - Yanmei Yang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University, Jinan, 250014, China.
| | - Yong-Qiang Li
- School of Physics and State Key Laboratory of Crystal Materials, Shandong University, Jinan, Shandong 250100, China.
| | - Mingwen Zhao
- School of Physics and State Key Laboratory of Crystal Materials, Shandong University, Jinan, Shandong 250100, China.
| | - Yuguang Mu
- School of Biological Sciences, Nanyang Technological University, 637551, Singapore.
| | - Weifeng Li
- School of Physics and State Key Laboratory of Crystal Materials, Shandong University, Jinan, Shandong 250100, China.
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Liu Y, Yang Y, Qu Y, Li YQ, Zhao M, Li W. Mild lipid extraction and anisotropic cell membrane penetration of α-phase phosphorene carbide nanoribbons by molecular dynamics simulation studies. Phys Chem Chem Phys 2020; 22:23268-23275. [DOI: 10.1039/d0cp04145a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
α-PC penetrates the interior of membrane efficiently only along its zigzag direction rather than its armchair direction.
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Affiliation(s)
- Yang Liu
- School of Physics, State Key Laboratory of Crystal Materials
- Shandong University
- Jinan
- China
| | - Yanmei Yang
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Key Laboratory of Molecular and Nano Probes, Ministry of Education
- Shandong Normal University
| | - Yuanyuan Qu
- School of Physics, State Key Laboratory of Crystal Materials
- Shandong University
- Jinan
- China
| | - Yong-Qiang Li
- School of Physics, State Key Laboratory of Crystal Materials
- Shandong University
- Jinan
- China
| | - Mingwen Zhao
- School of Physics, State Key Laboratory of Crystal Materials
- Shandong University
- Jinan
- China
| | - Weifeng Li
- School of Physics, State Key Laboratory of Crystal Materials
- Shandong University
- Jinan
- China
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Singh D, Shukla V, Panda PK, Mishra YK, Rubahn HG, Ahuja R. Carbon-phosphide monolayer with high carrier mobility and perceptibleI–Vresponse for superior gas sensing. NEW J CHEM 2020. [DOI: 10.1039/c9nj06447h] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
We introduce the first-principle theoretical calculations to understand the adsorption mechanism of different gas molecules on monolayered carbon phosphide with semi-metallic electrical conductivity and graphene-like Dirac cone response.
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Affiliation(s)
- Deobrat Singh
- Condensed Matter Theory Group
- Materials Theory Division
- Department of Physics and Astronomy
- Uppsala University
- 75120 Uppsala
| | - Vivekanand Shukla
- Department of Microtechnology and Nanoscience (MC2)
- Chalmers University of Technology
- SE-412 96 Gothenburg
- Sweden
| | - Pritam Kumar Panda
- Condensed Matter Theory Group
- Materials Theory Division
- Department of Physics and Astronomy
- Uppsala University
- 75120 Uppsala
| | | | | | - Rajeev Ahuja
- Condensed Matter Theory Group
- Materials Theory Division
- Department of Physics and Astronomy
- Uppsala University
- 75120 Uppsala
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48
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Kistanov AA. The first-principles study of the adsorption of NH3, NO, and NO2 gas molecules on InSe-like phosphorus carbide. NEW J CHEM 2020. [DOI: 10.1039/d0nj01612h] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Novel γ-PC is a promising reversible material for room-temperature gas sensors.
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Affiliation(s)
- Andrey A. Kistanov
- Nano and Molecular Systems Research Unit
- University of Oulu
- 90014 Oulu
- Finland
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49
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Song X, Liu Y, Yang Y, Li W, Zhao M. Strain-tunable CO 2 storage by black phosphorene and α-PC from combined first principles and molecular dynamics studies. Phys Chem Chem Phys 2019; 21:20107-20117. [PMID: 31482892 DOI: 10.1039/c9cp03676h] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
2D layered materials are intrinsically promising mediums for gas adsorption because of their recognized large surface areas and structural stability. Their gas adsorption and desorption processes are usually controlled by changing the temperature or applying high voltage. In this work, though combined density functional theory (DFT) calculations and molecular dynamics (MD) simulations, we propose that external tensile strain can also regulate the gas binding energetics and kinetics using two representative 2D materials, monolayer black phosphorene (BP) and black phosphorus carbide (α-PC), as showpiece models. The DFT results clearly show that CO2 can be physically adsorbed on BP/α-PC with moderate binding strength, which facilities the adsorption and desorption processes. For BP, strain increases the storage capacity from 10.90 ± 0.28 mmol g-1 (strain free) to 12.67 ± 0.33 (30% strain) with a tunability of 16.2%. α-PC, however, has a smaller strain response; its CO2 storage capacity increases from 15.98 ± 0.34 mmol g-1 (strain free) to 17.15 ± 0.36 mmol g-1 for a 10% strained state. DFT calculations reveal that CO2 is an electron acceptor for both BP and α-PC; however, it hardly regulates their electronic structures. The theoretical investigations suggest that BP and α-PC have great potential as gas capture and storage materials. The strain controlling approach can be generalized for the design of tunable nano-devices by external mechanical stimuli.
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Affiliation(s)
- Xiaohan Song
- School of Physics and State Key Laboratory of Crystal Materials, Shandong University, Jinan, Shandong 250100, China.
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50
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Jiao J, Miao N, Li Z, Gan Y, Zhou J, Sun Z. 2D Magnetic Janus Semiconductors with Exotic Structural and Quantum-Phase Transitions. J Phys Chem Lett 2019; 10:3922-3928. [PMID: 31251625 DOI: 10.1021/acs.jpclett.9b01543] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
2D magnetic semiconductors are intriguing for their great potential applications in spintronic nanodevices. Despite intensive research for decades, intrinsically 2D magnetic Janus semiconductors are scarce, and their design guidelines remain elusive. Herein we propose new 2D Janus Cr2O2XY (X = Cl, Y = Br/I) ferromagnets with asymmetric out-of-plane structural configurations from ab initio calculations. Abnormally, 2D Janus Cr2O2XY crystals with Pmm2 structures derived from pristine CrOX compounds are dynamically metastable. By introducing novel structural phase transitions, we generated new Pma2 phases with lower total energy and great dynamical stability. These new Janus Cr2O2XY monolayers are intrinsically ferromagnetic semiconductors and could be easily synthesized from experiment. Most interestingly, exotic quantum-phase transitions from the ferromagnetic semiconductor to the antiferromagnetic metal/semiconductor could be achieved in the Cr2O2ClI monolayer by applying compressive strains. Our study provides an alternative strategy to design new Janus Cr2O2XY monolayers and will inspire further investigations on relevant materials for electronic and spintronic applications.
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Affiliation(s)
- Jingyun Jiao
- School of Materials Science and Engineering , Beihang University , Beijing 100191 , China
- Center for Integrated Computational Materials Engineering, International Research Institute for Multidisciplinary Science , Beihang University , Beijing 100191 , China
| | - Naihua Miao
- School of Materials Science and Engineering , Beihang University , Beijing 100191 , China
- Center for Integrated Computational Materials Engineering, International Research Institute for Multidisciplinary Science , Beihang University , Beijing 100191 , China
| | - Zhen Li
- School of Materials Science and Engineering , Beihang University , Beijing 100191 , China
- Center for Integrated Computational Materials Engineering, International Research Institute for Multidisciplinary Science , Beihang University , Beijing 100191 , China
| | - Yu Gan
- School of Materials Science and Engineering , Beihang University , Beijing 100191 , China
- Center for Integrated Computational Materials Engineering, International Research Institute for Multidisciplinary Science , Beihang University , Beijing 100191 , China
| | - Jian Zhou
- School of Materials Science and Engineering , Beihang University , Beijing 100191 , China
| | - Zhimei Sun
- School of Materials Science and Engineering , Beihang University , Beijing 100191 , China
- Center for Integrated Computational Materials Engineering, International Research Institute for Multidisciplinary Science , Beihang University , Beijing 100191 , China
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