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Ramteke SM, Walczak M, De Stefano M, Ruggiero A, Rosenkranz A, Marian M. 2D materials for Tribo-corrosion and -oxidation protection: A review. Adv Colloid Interface Sci 2024; 331:103243. [PMID: 38924802 DOI: 10.1016/j.cis.2024.103243] [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: 02/22/2024] [Revised: 06/01/2024] [Accepted: 06/21/2024] [Indexed: 06/28/2024]
Abstract
The recent rise of 2D materials has extended the opportunities of tuning a variety of properties. Tribo-corrosion, the complex synergy between mechanical wear and chemical corrosion, poses significant challenges across numerous industries where materials are subjected to both tribological stressing and corrosive environments. This intricate interplay often leads to accelerated material degradation and failure. This review critically assesses the current state of utilizing 2D nanomaterials to enhance tribo-corrosion and -oxidation behavior. The paper summarizes the fundamental knowledge about tribo-corrosion and -oxidation mechanisms before assessing the key contributions of 2D materials, including graphene, transition metal chalcogenides, hexagonal boron nitride, MXenes, and black phosphorous, regarding the resulting friction and wear behavior. The protective roles of these nanomaterials against corrosion and oxidation are investigated, highlighting their potential in mitigating material degradation. Furthermore, we delve into the nuanced interplay between mechanical and corrosive factors in the specific application of 2D materials for tribo-corrosion and -oxidation protection. The synthesis of key findings underscores the advancements achieved through integrating 2D nanomaterials. An outlook for future research directions is provided, identifying unexplored avenues, and proposing strategies to propel the field forward. This analysis aims at guiding future investigations and developments at the dynamic intersection of 2D nanomaterials, tribo-corrosion, and -oxidation protection.
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Affiliation(s)
- Sangharatna M Ramteke
- Department of Mechanical and Metallurgical Engineering, School of Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile.
| | - Magdalena Walczak
- Department of Mechanical and Metallurgical Engineering, School of Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile; ANID - Millennium Science Initiative Program, Millennium Institute for Green Ammonia (MIGA), Santiago, Chile.
| | - Marco De Stefano
- Department of Industrial Engineering, University of Salerno, Fisciano, Italy.
| | - Alessandro Ruggiero
- Department of Industrial Engineering, University of Salerno, Fisciano, Italy.
| | - Andreas Rosenkranz
- Department of Chemical Engineering, Biotechnology and Materials (FCFM), Universidad de Chile, Santiago, Chile; ANID - Millennium Science Initiative Program, Millennium Nuclei of Advanced MXenes for Sustainable Applications (AMXSA), Santiago, Chile.
| | - Max Marian
- Department of Mechanical and Metallurgical Engineering, School of Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile; Institute for Machine Design and Tribology (IMKT), Leibniz University Hannover, Garbsen, Germany.
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2
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Tao ZG, Deng S, Prezhdo OV, Xiang H, Chu W, Gong XG. Tunable Ultrafast Charge Transfer across Homojunction Interface. J Am Chem Soc 2024; 146:24016-24023. [PMID: 39152917 DOI: 10.1021/jacs.4c07454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/19/2024]
Abstract
Charge transfer at heterojunction interfaces is a fundamental process that plays a crucial role in modern electronic and photonic devices. The essence of such charge transfer lies in the band offset, making charge transfer uncommon in a homojunction. Recently, sliding ferroelectricity has been proposed and confirmed in two-dimensional van der Waals stacked materials such as bilayer boron nitride. During the sliding of these layers, the band alignment shifts, creating conditions for charge separation at the interface. We employ ab initio nonadiabatic molecular dynamics simulations to elucidate the excited state carrier dynamics in bilayer boron pnictides. We propose that, akin to ferroelectric polarization flipping, the precise modulation of the distribution of excited state carriers can also be reached by sliding. Our results demonstrate that sliding induces a reversal of the frontier orbital distribution on the upper and lower layers, facilitating a robust interlayer carrier transfer. Notably, the interlayer carrier transfer is more pronounced in boron phosphide than in boron nitride, attributed to strong electron scattering in momentum space in boron nitride. We propose this novel method to manipulate carrier distribution and dynamics in a homojunction exhibiting sliding ferroelectricity, in general, paving a new way for developing advanced electronic and photonic devices.
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Affiliation(s)
- Zhi-Guo Tao
- Key Laboratory for Computational Physical Sciences (MOE), State Key Laboratory of Surface Physics, Institute of Computational Physical Sciences and Department of Physics, Fudan University, Shanghai 200433, China
- Shanghai Qizhi Institution, Shanghai 200232, China
| | - Shihan Deng
- Key Laboratory for Computational Physical Sciences (MOE), State Key Laboratory of Surface Physics, Institute of Computational Physical Sciences and Department of Physics, Fudan University, Shanghai 200433, China
- Shanghai Qizhi Institution, Shanghai 200232, China
| | - Oleg V Prezhdo
- Department of Chemistry, University of Southern California, Los Angeles, California 90089, United States
- Department of Physics & Astronomy, University of Southern California, Los Angeles, California 90089, United States
| | - Hongjun Xiang
- Key Laboratory for Computational Physical Sciences (MOE), State Key Laboratory of Surface Physics, Institute of Computational Physical Sciences and Department of Physics, Fudan University, Shanghai 200433, China
- Shanghai Qizhi Institution, Shanghai 200232, China
| | - Weibin Chu
- Key Laboratory for Computational Physical Sciences (MOE), State Key Laboratory of Surface Physics, Institute of Computational Physical Sciences and Department of Physics, Fudan University, Shanghai 200433, China
- Shanghai Qizhi Institution, Shanghai 200232, China
| | - Xin-Gao Gong
- Key Laboratory for Computational Physical Sciences (MOE), State Key Laboratory of Surface Physics, Institute of Computational Physical Sciences and Department of Physics, Fudan University, Shanghai 200433, China
- Shanghai Qizhi Institution, Shanghai 200232, China
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3
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Chen ZN, Zhang LP, Wu HL, Qi QY, Yan M, Tian J, Yang GY, Li ZT, Yang B. Accurate construction of monolayer, bilayer, sandwich bilayer, four-layer, multi-layer and chiral bilayer 2D pillararene-type supramolecular networks. Chem Sci 2024; 15:13191-13200. [PMID: 39183934 PMCID: PMC11339971 DOI: 10.1039/d4sc03022b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2024] [Accepted: 07/04/2024] [Indexed: 08/27/2024] Open
Abstract
The accurate construction of mono-, bi- and multi-layer networks has been an important challenge, especially for bi- and multi-layer networks. Monolayer, bilayer, sandwich bilayer, four-layer, and multi-layer two-dimensional pillararene-type metal-organic coordination networks have been constructed from functionalized pillar[5]arene and pillar[6]arene by utilizing the coordination interaction of cobalt and copper ions and combining with temperature control and guest induction. These two-dimensional coordination networks exhibit the excellent plasticity of pillararenes and structural variety, which are characterized by X-ray single crystal diffraction and PXRD, confirming that pillararenes units can function as excellent tunable scaffolds for structural regulation. Two-dimensional chiral double-layer structure products are also constructed from R- and S-pillar[6]arene, which are obtained by high-performance liquid chromatography. Atomic force microscopic imaging confirms the thicknesses of these networks. Moreover, these networks also exhibit high iodine adsorption capacity in aqueous environments at ambient temperature. The monolayer, bilayer, sandwich bilayer, four-layer and multi-layer structures of the pillararene-type networks represent a new facile supramolecular self-assembly strategy and platform for designing more mono-, bi- and multi-layer two-dimensional nanomaterials and chiral two-dimensional double-layer structures provide a new method for the construction of more two-dimensional chiral polymers.
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Affiliation(s)
- Zhao-Nian Chen
- College of Chemistry, Zhengzhou University 100 Kexue Street Zhengzhou Henan 450001 China
| | - Le-Ping Zhang
- College of Chemistry, Zhengzhou University 100 Kexue Street Zhengzhou Henan 450001 China
| | - Huai-Li Wu
- College of Chemistry, Zhengzhou University 100 Kexue Street Zhengzhou Henan 450001 China
| | - Qiao-Yan Qi
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai Institute of Organic Chemistry Shanghai 200032 China
| | - Meng Yan
- School of Chemistry and Chemical Engineering, Henan University of Technology Zhengzhou Henan 450001 China
| | - Jia Tian
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai Institute of Organic Chemistry Shanghai 200032 China
| | - Guan-Yu Yang
- College of Chemistry, Zhengzhou University 100 Kexue Street Zhengzhou Henan 450001 China
| | - Zhan-Ting Li
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai Institute of Organic Chemistry Shanghai 200032 China
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University 2205 Songhu Road Shanghai 200438 China
| | - Bo Yang
- College of Chemistry, Zhengzhou University 100 Kexue Street Zhengzhou Henan 450001 China
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4
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Lima KAL, da Silva DA, Mendonça FLL, Gargano R, Ribeiro Junior LA. Computational insights into popsilicene as a new planar silicon allotrope composed of 5-8-5 rings. Sci Rep 2024; 14:18884. [PMID: 39143308 PMCID: PMC11324756 DOI: 10.1038/s41598-024-69788-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2024] [Accepted: 08/08/2024] [Indexed: 08/16/2024] Open
Abstract
Silicon-based two-dimensional (2D) materials have garnered significant attention due to their unique properties and potential applications in electronics, optoelectronics, and other advanced technologies. Here, we present a comprehensive investigation of a novel silicon allotrope, Popsilicene (Pop-Si), derived from the structure of Popgraphene. Using density functional theory and ab initio molecular dynamics simulations, we explore the thermal stability, mechanical and electronic properties, and optical characteristics of Pop-Si. Our results demonstrate that Pop-Si exhibits good thermal stability at 1000 K. Electronic structure calculations reveal that Pop-Si is metallic, with a high density of states at the Fermi level. Furthermore, our analysis of the optical properties indicates that Pop-Si has pronounced UV-Vis optical activity, making it a promising candidate for optoelectronic devices. Mechanical property assessments show that Pop-Si has Young's modulus ranging from 10 to 92 GPa and a Poisson's ratio of 0.95. These results combined suggest its potential for practical applications.
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Affiliation(s)
- K A L Lima
- Computational Materials Laboratory, LCCMat, Institute of Physics, University of Brasília, Brasília, 70910-900, Brazil
| | - D A da Silva
- Electrical Engineering - PPEE, University of Brasília, Brasília, Brazil
| | - F L L Mendonça
- Department of Electrical Engineering, Faculty of Technology, University of Brasília, Brasília, Brazil
| | - R Gargano
- Institute of Physics, University of Brasília, Brasília, 70910-900, Brazil
| | - L A Ribeiro Junior
- Computational Materials Laboratory, LCCMat, Institute of Physics, University of Brasília, Brasília, 70910-900, Brazil.
- Institute of Physics, University of Brasília, Brasília, 70910-900, Brazil.
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5
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Ji LJ, Yang TY, Feng GQ, Li S, Li W, Bu XH. Liquid-Phase Exfoliation of 3D Metal-Organic Frameworks into Nanosheets. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2404756. [PMID: 39119851 DOI: 10.1002/adma.202404756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 08/05/2024] [Indexed: 08/10/2024]
Abstract
Traditionally, the acquisition of 2D materials involved the exfoliation of layered crystals. However, the anisotropic bonding arrangements within 3D crystals indicate they are mechanically reminiscent of 2D counterparts and could also be exfoliated into nanosheets. This report delineates the preparation of 2D nanosheets from six representative 3D metal-organic frameworks (MOFs) through liquid-phase exfoliation. Notably, the cleavage planes of exfoliated nanosheets align perpendicular to the direction of the minimum elastic modulus (Emin) within the pristine 3D frameworks. The findings suggest that the in-plane and out-of-plane bonding forces of the exfoliated nanosheets can be correlated with the maximum elastic modulus (Emax) and Emin of the 3D frameworks, respectively. Emax influences the ease of cleaving adjacent layers, while Emin governs the ability to resist cracking of layers. Hence, a combination of large Emax and small Emin indicates an efficient exfoliation process, and vice versa. The ratio of Emax/Emin, denoted as Amax/min, is adopted as a universal index to quantify the ease of mechanical exfoliation for 3D MOFs. This ratio, readily accessible through mechanical experiments and computation, serves as a valuable metric for selecting appropriate exfoliation methods to produce surfactant-free 2D nanosheets from various 3D materials.
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Affiliation(s)
- Li-Jun Ji
- Department of Physics and Mechanical and Electrical Engineering & Expert Workstation for Terahertz Technology and Advanced Energy Materials and Devices, Hubei University of Education, Wuhan, 430074, China
| | - Tian-Yi Yang
- School of Materials Science and Engineering, Smart Sensing Interdisciplinary Science Center, Nankai University & TKL of Metal and Molecule Based Material Chemistry, Tianjin, 300350, China
| | - Guo-Qiang Feng
- Department of Physics and Mechanical and Electrical Engineering & Expert Workstation for Terahertz Technology and Advanced Energy Materials and Devices, Hubei University of Education, Wuhan, 430074, China
| | - Sha Li
- Department of Physics and Mechanical and Electrical Engineering & Expert Workstation for Terahertz Technology and Advanced Energy Materials and Devices, Hubei University of Education, Wuhan, 430074, China
| | - Wei Li
- School of Materials Science and Engineering, Smart Sensing Interdisciplinary Science Center, Nankai University & TKL of Metal and Molecule Based Material Chemistry, Tianjin, 300350, China
| | - Xian-He Bu
- School of Materials Science and Engineering, Smart Sensing Interdisciplinary Science Center, Nankai University & TKL of Metal and Molecule Based Material Chemistry, Tianjin, 300350, China
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6
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Vinh NV, Nguyen ST, Pham KD. Computational investigations of the metal/semiconductor NbS 2/boron phosphide van der Waals heterostructure: effects of an electric field. Dalton Trans 2024; 53:13022-13029. [PMID: 39028262 DOI: 10.1039/d4dt01454e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2024]
Abstract
In this work, we design computationally the metal-semiconductor NbS2/BP heterostructure and investigate its atomic structure, electronic properties and contact barrier using first-principles prediction. Our results show that the M-S NbS2/BP heterostructure is energetically stable and is characterized by weak vdW interactions. Interestingly, we find that the combination of the metallic NbS2 and semiconducting BP layers leads to the formation of a M-S contact. The M-S NbS2/BP heterostructure exhibits a p-type Schottky contact and a low tunneling-specific resistivity of 3.98 × 10-10 Ω cm2, indicating that the metallic NbS2 can be considered as an efficient 2D electrical contact to the semiconducting BP layer to design NbS2/BP heterostructure-based electronic devices with high charge injection efficiency. The contact barrier and contact type in the M-S NbS2/BP heterostructure can be adjusted by applying an external electric field. The conversion from p-type ShC to n-type ShC can be achieved by applying a negative electric field, while the transformation from ShC to OhC type can be achieved under the application of a positive electric field. The conversion between p-type and n-type ShC and ShC to OhC type in the NbS2/BP heterostructure demonstrates that it can be considered as a promising material for next-generation electronic devices.
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Affiliation(s)
- Nguyen V Vinh
- Faculty of Information Technology, Ho Chi Minh City University of Economics and Finance, Ho Chi Minh City, Vietnam.
| | - Son-Tung Nguyen
- Faculty of Electrical Engineering, Hanoi University of Industry, Hanoi 100000, Vietnam.
| | - Khang D Pham
- Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam.
- School of Engineering & Technology, Duy Tan University, Da Nang 550000, Vietnam
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7
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Groll M, Bürger J, Caltzidis I, Jöns KD, Schmidt WG, Gerstmann U, Lindner JKN. DFT-Assisted Investigation of the Electric Field and Charge Density Distribution of Pristine and Defective 2D WSe 2 by Differential Phase Contrast Imaging. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2311635. [PMID: 38703033 DOI: 10.1002/smll.202311635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 04/02/2024] [Indexed: 05/06/2024]
Abstract
Most properties of solid materials are defined by their internal electric field and charge density distributions which so far are difficult to measure with high spatial resolution. Especially for 2D materials, the atomic electric fields influence the optoelectronic properties. In this study, the atomic-scale electric field and charge density distribution of WSe2 bi- and trilayers are revealed using an emerging microscopy technique, differential phase contrast (DPC) imaging in scanning transmission electron microscopy (STEM). For pristine material, a higher positive charge density located at the selenium atomic columns compared to the tungsten atomic columns is obtained and tentatively explained by a coherent scattering effect. Furthermore, the change in the electric field distribution induced by a missing selenium atomic column is investigated. A characteristic electric field distribution in the vicinity of the defect with locally reduced magnitudes compared to the pristine lattice is observed. This effect is accompanied by a considerable inward relaxation of the surrounding lattice, which according to first principles DFT calculation is fully compatible with a missing column of Se atoms. This shows that DPC imaging, as an electric field sensitive technique, provides additional and remarkable information to the otherwise only structural analysis obtained with conventional STEM imaging.
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Affiliation(s)
- Maja Groll
- Department of Physics, University of Paderborn, Warburger Straße 100, 33098, Paderborn, Germany
| | - Julius Bürger
- Department of Physics, University of Paderborn, Warburger Straße 100, 33098, Paderborn, Germany
| | - Ioannis Caltzidis
- Department of Physics, University of Paderborn, Warburger Straße 100, 33098, Paderborn, Germany
| | - Klaus D Jöns
- Department of Physics, University of Paderborn, Warburger Straße 100, 33098, Paderborn, Germany
| | - Wolf Gero Schmidt
- Department of Physics, University of Paderborn, Warburger Straße 100, 33098, Paderborn, Germany
| | - Uwe Gerstmann
- Department of Physics, University of Paderborn, Warburger Straße 100, 33098, Paderborn, Germany
| | - Jörg K N Lindner
- Department of Physics, University of Paderborn, Warburger Straße 100, 33098, Paderborn, Germany
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8
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Cheon S, Cho WJ, Yi GR, Kang B, Oh SS. Ultrafast and Reversible Superwettability Switching of 3D Graphene Foams via Solvent-Exclusive Plasma Treatments. ACS NANO 2024. [PMID: 39033415 DOI: 10.1021/acsnano.4c03102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/23/2024]
Abstract
For highly active electron transfer and ion diffusion, controlling the surface wettability of electrically and thermally conductive 3D graphene foams (3D GFs) is required. Here, we present ultrasimple and rapid superwettability switching of 3D GFs in a reversible and reproducible manner, mediated by solvent-exclusive microwave arcs. As the 3D GFs are prepared with vapors of nonpolar acetone or polar water exclusively, short microwave radiation (≤10 s) leads to plasma hotspot-mediated production of methyl and hydroxyl radicals, respectively. Upon immediate radical chemisorption, the 3D surfaces become either superhydrophobic (water contact angle = ∼170°) or superhydrophilic (∼0°), and interestingly, the wettability transition can be repeated many times due to the facile exchange between previously chemisorbed and newly introduced radicals via the formation of methanol-like intermediates. When 3D GFs of different surficial polarities are incorporated into electric double-layer capacitors with nonpolar ionic liquids or polar aqueous electrolytes, the polarity matching between graphene surfaces and electrolytes results in ≥548.0 times higher capacitance compared to its mismatching at ≥0.5 A g-1, demonstrating the significance of wettability-controlled 3D GFs.
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Affiliation(s)
- Soomin Cheon
- Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, South Korea
| | - Won-Jang Cho
- Department of Chemical Engineering, POSTECH, Pohang 37673, South Korea
| | - Gi-Ra Yi
- Department of Chemical Engineering, POSTECH, Pohang 37673, South Korea
| | - Byoungwoo Kang
- Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, South Korea
| | - Seung Soo Oh
- Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, South Korea
- Department of Chemical Engineering, POSTECH, Pohang 37673, South Korea
- Institute for Convergence Research and Education in Advanced Technology (I-CREATE), Yonsei University, Incheon 21983, South Korea
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9
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Pereira R, Lins RBE, Lima EFDS, Mainardi MDCAJ, Stamboroski S, Rischka K, Aguiar FHB. Properties of a Dental Adhesive Containing Graphene and DOPA-Modified Graphene. Polymers (Basel) 2024; 16:2081. [PMID: 39065398 PMCID: PMC11280573 DOI: 10.3390/polym16142081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2024] [Revised: 07/10/2024] [Accepted: 07/11/2024] [Indexed: 07/28/2024] Open
Abstract
Graphene is a promising biomaterial. However, its dispersion in aqueous medium is challenging. This study aimed to modify graphene nanoparticles with L-dopa to improve the properties of experimental dental adhesives. Adhesives were formulated with 0% (control), 0.25%, 0.5%, and 0.75% of graphene, modified or not. Particle modification and dispersion were microscopically assessed. Degree of conversion was tested by Fourier-transform infrared spectroscopy. Flexural strength and modulus of elasticity were evaluated by a 3-point flexural test. Bond strength was tested by shear. To test water sorption/solubility, samples were weighed during hydration and dehydration. Antibacterial activity was tested by Streptococcus mutans colony-forming units quantification. Cytotoxicity on fibroblasts was evaluated through a dentin barrier test. The modification of graphene improved the particle dispersion. Control presented the highest degree of conversion, flexural strength, and bond strength. In degree of conversion, 0.25% of groups were similar to control. In bond strength, groups of graphene modified by L-dopa were similar to Control. The modulus of elasticity was similar between groups. Cytotoxicity and water sorption/solubility decreased as particles increased. Compared to graphene, less graphene modified by L-dopa was needed to promote antibacterial activity. By modifying graphene with L-dopa, the properties of graphene and, therefore, the adhesives incorporated by it were enhanced.
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Affiliation(s)
- Renata Pereira
- Department of Restorative Dentistry, Division of Operative Dentistry, Piracicaba Dental School, University of Campinas (UNICAMP), Av. Limeira 901, Piracicaba 13414-903, SP, Brazil; (R.P.); (M.d.C.A.J.M.); (F.H.B.A.)
- Department of Adhesive Bonding Technology and Surfaces, Fraunhofer Institute for Manufacturing Technology and Advanced Materials (IFAM), Wiener Straße 12, 28359 Bremen, Germany;
| | | | - Elton Faria de Souza Lima
- Federal Institute of Education, Science and Technology of Goiás (IFG—Campus Uruaçu), Rua Formosa, Qd 28 e 29—Loteamento Santana, Uruaçu 76400-000, GO, Brazil;
| | - Maria do Carmo Aguiar Jordão Mainardi
- Department of Restorative Dentistry, Division of Operative Dentistry, Piracicaba Dental School, University of Campinas (UNICAMP), Av. Limeira 901, Piracicaba 13414-903, SP, Brazil; (R.P.); (M.d.C.A.J.M.); (F.H.B.A.)
- Department of Adhesive Bonding Technology and Surfaces, Fraunhofer Institute for Manufacturing Technology and Advanced Materials (IFAM), Wiener Straße 12, 28359 Bremen, Germany;
| | - Stephani Stamboroski
- Department of Adhesive Bonding Technology and Surfaces, Fraunhofer Institute for Manufacturing Technology and Advanced Materials (IFAM), Wiener Straße 12, 28359 Bremen, Germany;
| | - Klaus Rischka
- Department of Restorative Dentistry, Division of Operative Dentistry, Piracicaba Dental School, University of Campinas (UNICAMP), Av. Limeira 901, Piracicaba 13414-903, SP, Brazil; (R.P.); (M.d.C.A.J.M.); (F.H.B.A.)
- Department of Adhesive Bonding Technology and Surfaces, Fraunhofer Institute for Manufacturing Technology and Advanced Materials (IFAM), Wiener Straße 12, 28359 Bremen, Germany;
| | - Flávio Henrique Baggio Aguiar
- Department of Restorative Dentistry, Division of Operative Dentistry, Piracicaba Dental School, University of Campinas (UNICAMP), Av. Limeira 901, Piracicaba 13414-903, SP, Brazil; (R.P.); (M.d.C.A.J.M.); (F.H.B.A.)
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10
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Calistri S, Ubaldini A, Telloli C, Gennerini F, Marghella G, Gessi A, Bruni S, Rizzo A. Exfoliation of Molecular Solids by the Synergy of Ultrasound and Use of Surfactants: A Novel Method Applied to Boric Acid. Molecules 2024; 29:3324. [PMID: 39064902 PMCID: PMC11279655 DOI: 10.3390/molecules29143324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2024] [Revised: 07/09/2024] [Accepted: 07/11/2024] [Indexed: 07/28/2024] Open
Abstract
Boric acid, H3BO3, is a molecular solid made up of layers held together by weak van der Waals forces. It can be considered a pseudo "2D" material, like graphite, compared to graphene. The key distinction is that within each individual layer, the molecular units are connected not only by strong covalent bonds but also by hydrogen bonds. Therefore, classic liquid exfoliation is not suitable for this material, and a specific method needs to be developed. Preliminary results of exfoliation of boric acid particles by combination of ultrasound and the use of surfactants are presented. Ultrasound provides the system with the energy needed for the process, and the surfactant can act to keep the crystalline flakes apart. A system consisting of a saturated solution and large excess solid residue of boric acid was treated in this way for a few hours at 40 °C in the presence of various sodium stearate, proving to be very promising, and an incipient exfoliation was achieved.
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Affiliation(s)
- Sara Calistri
- ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, C.R. Bologna, Via Martiri di Monte Sole 4, 40129 Bologna, Italy; (S.C.); (C.T.); (G.M.); (A.G.); (S.B.); (A.R.)
- Department of Pharmacy and Biotechnology, University of Bologna, 40126 Bologna, Italy
| | - Alberto Ubaldini
- ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, C.R. Bologna, Via Martiri di Monte Sole 4, 40129 Bologna, Italy; (S.C.); (C.T.); (G.M.); (A.G.); (S.B.); (A.R.)
| | - Chiara Telloli
- ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, C.R. Bologna, Via Martiri di Monte Sole 4, 40129 Bologna, Italy; (S.C.); (C.T.); (G.M.); (A.G.); (S.B.); (A.R.)
| | - Francesco Gennerini
- Department of Electrical, Electronic and Information Engineering “Guglielmo Marconi” (DEI), Biomedical Engineering, Cesena Campus, University of Bologna, Via dell’Università 50, 47522 Cesena, Italy;
| | - Giuseppe Marghella
- ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, C.R. Bologna, Via Martiri di Monte Sole 4, 40129 Bologna, Italy; (S.C.); (C.T.); (G.M.); (A.G.); (S.B.); (A.R.)
| | - Alessandro Gessi
- ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, C.R. Bologna, Via Martiri di Monte Sole 4, 40129 Bologna, Italy; (S.C.); (C.T.); (G.M.); (A.G.); (S.B.); (A.R.)
| | - Stefania Bruni
- ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, C.R. Bologna, Via Martiri di Monte Sole 4, 40129 Bologna, Italy; (S.C.); (C.T.); (G.M.); (A.G.); (S.B.); (A.R.)
| | - Antonietta Rizzo
- ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, C.R. Bologna, Via Martiri di Monte Sole 4, 40129 Bologna, Italy; (S.C.); (C.T.); (G.M.); (A.G.); (S.B.); (A.R.)
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11
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Monika S, Suganya G, Gokulsaswath V, Kalpana G. Enhanced figure of merit in two-dimensional ZrNiSn nanosheets for thermoelectric applications. NANOTECHNOLOGY 2024; 35:395701. [PMID: 38861969 DOI: 10.1088/1361-6528/ad5692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Accepted: 06/11/2024] [Indexed: 06/13/2024]
Abstract
A novel two-dimensional (2D) half-HeuslerZrNiSn nanosheetfor thermoelectric applications was designed from bulk half-Heusler ZrNiSn through first-principles calculation. Investigation of bulk half-Heusler and 2D nanosheet ZrNiSn was performed with the Quantum Espresso code based on a density functional theory plane wave basis set. Electronic band structure and density of states calculations were used to study the confinement effects. On moving from bulk to 2D a change of structure is observed from face-centered cubic to trigonal due to confinement effects. The semiconducting nature of bulk ZrNiSn is undisturbed while moving to a 2D nanosheet; however, the band gap is widened from 0.46 to 1.3 eV due to the restricted motion of electrons in one direction. Compared with bulk ZrNiSn, 2D nanosheets were found to have a higher Seebeck coefficient a lower thermal conductivity and higher figure of merit, which makes 2D ZrNiSn nanosheets suitable for thermoelectric applications. Atomically thin 2D structures with a flat surface have the potential to form van der Waals heterojunctions, paving the way for device fabrication at the nanoscale level.
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Affiliation(s)
- S Monika
- Department of Physics, Anna University, Chennai 600025, India
| | - G Suganya
- Department of Physics, Anna University, Chennai 600025, India
| | - V Gokulsaswath
- Department of Physics, Anna University, Chennai 600025, India
| | - G Kalpana
- Department of Physics, Anna University, Chennai 600025, India
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12
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Cichos F, Xia T, Yang H, Zijlstra P. The ever-expanding optics of single-molecules and nanoparticles. J Chem Phys 2024; 161:010401. [PMID: 38949895 DOI: 10.1063/5.0221680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2024] [Accepted: 06/10/2024] [Indexed: 07/03/2024] Open
Affiliation(s)
- F Cichos
- Peter Debye Institute for Soft Matter Physics, Leipzig University, Leipzig, Germany
| | - T Xia
- Institute for Immunology, School of Medicine, Tsinghua University, Beijing, China
| | - H Yang
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, USA
| | - P Zijlstra
- Department of Applied Physics and Science Education, Eindhoven University of Technology (TU/e), Eindhoven, The Netherlands
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13
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Rasritat A, Tapakidareekul M, Saego K, Meevasana W, Sangtawesin S. Formation of oxygen protective layer on monolayer MoS 2 via low energy electron irradiation. RSC Adv 2024; 14:21999-22005. [PMID: 38993507 PMCID: PMC11238566 DOI: 10.1039/d4ra03362k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Accepted: 06/27/2024] [Indexed: 07/13/2024] Open
Abstract
Monolayer molybdenum disulfide (MoS2) semiconductors are the new generation of two-dimensional materials that possess several advantages compared to graphene due to their tunable bandgap and high electron mobility. Several approaches have been used to modify their physical properties for optical device applications. Here, we report a facile and non-destructive surface modification method for monolayer MoS2 via electron irradiation at a low, 5 kV accelerating voltage. After electron irradiation, the results of Raman and photoluminescence spectroscopy confirmed that the structure remains unchanged. However, when the modified surface was illuminated with a 532 nm laser for a prolonged period, the PL intensity was quenched as a result of oxygen desorption. Interestingly, the PL intensity can be recovered when left in ambient conditions for 10 h. The analysis of the PL spectrum revealed a decrease of trion, which is consistent with the readsorbed O2 molecules on the surface that deplete electrons and lead to PL recovery. We attribute this effect to the enhancement of the n-type character of monolayer MoS2 after electron irradiation. The sensitive nature of the modified surface to oxygen suggests that this approach may be used as a tool for the fabrication of MoS2 oxygen sensors.
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Affiliation(s)
- Aissara Rasritat
- School of Physics, Suranaree University of Technology Nakhon Ratchasima 30000 Thailand
| | | | - Kritsana Saego
- School of Physics, Suranaree University of Technology Nakhon Ratchasima 30000 Thailand
| | - Worawat Meevasana
- School of Physics, Suranaree University of Technology Nakhon Ratchasima 30000 Thailand
| | - Sorawis Sangtawesin
- School of Physics, Suranaree University of Technology Nakhon Ratchasima 30000 Thailand
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14
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Jamwal P, Ahuja R, Kumar R. Enhancement of superconductivity in Zr 2S 2C arising from phonon softening on transition from bulk to monolayer. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2024; 36:385903. [PMID: 38848722 DOI: 10.1088/1361-648x/ad559a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Accepted: 06/07/2024] [Indexed: 06/09/2024]
Abstract
We report a new compound, Zr2S2C, belonging to the transition metal carbo-chalcogenide (TMCC) family. Through first-principles calculations, our analysis of phonon dispersion spectra indicates that the compound is dynamically stable in both bulk and monolayer forms. We systematically investigated the electronic structure, phonon dispersion, and electron-phonon coupling (EPC) driven superconducting properties in bulk and monolayer Zr2S2C. The results demonstrate the metallic character of bulk Zr2S2C, with a weak EPC strength (λ) of 0.41 and superconducting critical temperature (Tc) of ∼3 K. The monolayer Zr2S2C has an enhancedλof 0.62 andTcof ∼6.4 K. The increasedλvalue in the monolayer results from the softening of the acoustic phonon mode. We found that when biaxial strain is applied, the low energy acoustic phonon mode in monolayer becomes even softer. This softening leads to a transformation of the Zr2S2C monolayer from its initial weak coupling state (λ= 0.62) to a strongly coupled state, resulting in an increasedλvalue of 1.33. Consequently, the superconducting critical temperature experiences a twofold increase. These findings provide a theoretical framework for further exploration of the layered two-dimensional TMCC family, in addition to offering valuable insights.
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Affiliation(s)
- Prarena Jamwal
- Department of Physics, Indian Institute of Technology Ropar, Rupnagar 140001, Punjab, India
| | - Rajeev Ahuja
- Department of Physics, Indian Institute of Technology Ropar, Rupnagar 140001, Punjab, India
- Condensed Matter Theory Group, Department of Physics and Astronomy, Uppsala University, Box 516, Uppsala 75120, Sweden
| | - Rakesh Kumar
- Department of Physics, Indian Institute of Technology Ropar, Rupnagar 140001, Punjab, India
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15
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Wang G, Xie W, Guo S, Chang J, Chen Y, Long X, Zhou L, Ang YS, Yuan H. Two-Dimensional GeC/MXY (M = Zr, Hf; X, Y = S, Se) Heterojunctions Used as Highly Efficient Overall Water-Splitting Photocatalysts. Molecules 2024; 29:2793. [PMID: 38930861 PMCID: PMC11206627 DOI: 10.3390/molecules29122793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 05/16/2024] [Accepted: 05/21/2024] [Indexed: 06/28/2024] Open
Abstract
Hydrogen generation by photocatalytic water-splitting holds great promise for addressing the serious global energy and environmental crises, and has recently received significant attention from researchers. In this work, a method of assembling GeC/MXY (M = Zr, Hf; X, Y = S, Se) heterojunctions (HJs) by combining GeC and MXY monolayers (MLs) to construct direct Z-scheme photocatalytic systems is proposed. Based on first-principles calculations, we found that all the GeC/MXY HJs are stable van der Waals (vdW) HJs with indirect bandgaps. These HJs possess small bandgaps and exhibit strong light-absorption ability across a wide range. Furthermore, the built-in electric field (BIEF) around the heterointerface can accelerate photoinduced carrier separation. More interestingly, the suitable band edges of GeC/MXY HJs ensure sufficient kinetic potential to spontaneously accomplish water redox reactions under light irradiation. Overall, the strong light-harvesting ability, wide light-absorption range, small bandgaps, large heterointerfacial BIEFs, suitable band alignments, and carrier migration paths render GeC/MXY HJs highly efficient photocatalysts for overall water decomposition.
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Affiliation(s)
- Guangzhao Wang
- School of Electronic Information Engineering, Key Laboratory of Extraordinary Bond Engineering and Advanced Materials Technology of Chongqing, Yangtze Normal University, Chongqing 408100, China; (W.X.); (X.L.)
| | - Wenjie Xie
- School of Electronic Information Engineering, Key Laboratory of Extraordinary Bond Engineering and Advanced Materials Technology of Chongqing, Yangtze Normal University, Chongqing 408100, China; (W.X.); (X.L.)
| | - Sandong Guo
- School of Electronic Engineering, Xi’an University of Posts and Telecommunications, Xi’an 710121, China;
| | - Junli Chang
- School of Physical Science and Technology, Southwest University, Chongqing 400715, China;
| | - Ying Chen
- School of Electronic and Information Engineering, Anshun University, Anshun 561000, China;
| | - Xiaojiang Long
- School of Electronic Information Engineering, Key Laboratory of Extraordinary Bond Engineering and Advanced Materials Technology of Chongqing, Yangtze Normal University, Chongqing 408100, China; (W.X.); (X.L.)
| | - Liujiang Zhou
- School of Physics, University of Electronic Science and Technology of China, Chengdu 610054, China;
| | - Yee Sin Ang
- Science, Mathematics and Technology, Singapore University of Technology and Design, Singapore 487372, Singapore
| | - Hongkuan Yuan
- School of Physical Science and Technology, Southwest University, Chongqing 400715, China;
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16
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Li T, Deng S, Liu H, Chen J. Insights into Strain Engineering: From Ferroelectrics to Related Functional Materials and Beyond. Chem Rev 2024; 124:7045-7105. [PMID: 38754042 DOI: 10.1021/acs.chemrev.3c00767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
Ferroelectrics have become indispensable components in various application fields, including information processing, energy harvesting, and electromechanical conversion, owing to their unique ability to exhibit electrically or mechanically switchable polarization. The distinct polar noncentrosymmetric lattices of ferroelectrics make them highly responsive to specific crystal structures. Even slight changes in the lattice can alter the polarization configuration and response to external fields. In this regard, strain engineering has emerged as a prevalent regulation approach that not only offers a versatile platform for structural and performance optimization within ferroelectrics but also unlocks boundless potential in various functional materials. In this review, we systematically summarize the breakthroughs in ferroelectric-based functional materials achieved through strain engineering and progress in method development. We cover research activities ranging from fundamental attributes to wide-ranging applications and novel functionalities ranging from electromechanical transformation in sensors and actuators to tunable dielectric materials and information technologies, such as transistors and nonvolatile memories. Building upon these achievements, we also explore the endeavors to uncover the unprecedented properties through strain engineering in related chemical functionalities, such as ferromagnetism, multiferroicity, and photoelectricity. Finally, through discussions on the prospects and challenges associated with strain engineering in the materials, this review aims to stimulate the development of new methods for strain regulation and performance boosting in functional materials, transcending the boundaries of ferroelectrics.
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Affiliation(s)
- Tianyu Li
- Department of Physical Chemistry, University of Science and Technology Beijing, Beijing 100083, China
- Beijing Advanced Innovation Center for Materials Genome Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Shiqing Deng
- Beijing Advanced Innovation Center for Materials Genome Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Hui Liu
- Beijing Advanced Innovation Center for Materials Genome Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Jun Chen
- Department of Physical Chemistry, University of Science and Technology Beijing, Beijing 100083, China
- Beijing Advanced Innovation Center for Materials Genome Engineering, University of Science and Technology Beijing, Beijing 100083, China
- Hainan University, Haikou 570228, China
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17
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Park KH, Kim NC, Song SH. Fabrication of WO 3 Quantum Dots with Different Emitting Colors and Their Utilization in Luminescent Woods. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:936. [PMID: 38869561 PMCID: PMC11173498 DOI: 10.3390/nano14110936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Revised: 05/17/2024] [Accepted: 05/23/2024] [Indexed: 06/14/2024]
Abstract
With a rising interest in smart windows and optical displays, the utilization of metal oxides (MOs) has garnered significant attention owing to their high active sites, flexibility, and tunable electronic and optical properties. Despite these advantages, achieving precise tuning of optical properties in MOs-based quantum dots and their mass production remains a challenge. In this study, we present an easily scalable approach to generate WO3 quantum dots with diverse sizes through sequential insertion/exfoliation processes in solvents with suitable surface tension. Additionally, we utilized the prepared WO3 quantum dots in the fabrication of luminescent transparent wood via an impregnation process. These quantum dots manifested three distinct emitting colors: red, green, and blue. Through characterizations of the structural and optical properties of the WO3 quantum dots, we verified that quantum dots with sizes around 30 nm, 50 nm, and 70 nm showcase a monoclinic crystal structure with oxygen-related defect sites. Notably, as the size of the WO3 quantum dots decreased, the maximum emitting peak underwent a blue shift, with peaks observed at 407 nm (blue), 493 nm (green), and 676 nm (red) under excitation by a He-Cd laser (310 nm), respectively. Transparent woods infused with various WO3 quantum dots exhibited luminescence in blue/white emitting colors. These results suggest substantial potential in diverse applications, such as building materials and optoelectronics.
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Affiliation(s)
| | - Nam Chul Kim
- Division of Advanced Materials Engineering, Center for Advanced Materials and Parts of Powders, Kongju National University, Cheonan-si 31080, Republic of Korea;
| | - Sung Ho Song
- Division of Advanced Materials Engineering, Center for Advanced Materials and Parts of Powders, Kongju National University, Cheonan-si 31080, Republic of Korea;
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18
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Martínez-Jódar A, Villar-Rodil S, Munuera JM, Castro-Muñiz A, Coleman JN, Raymundo-Piñero E, Paredes JI. Two-Dimensional MoS 2 Nanosheets Derived from Cathodic Exfoliation for Lithium Storage Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:932. [PMID: 38869557 PMCID: PMC11173767 DOI: 10.3390/nano14110932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 05/22/2024] [Accepted: 05/23/2024] [Indexed: 06/14/2024]
Abstract
The preparation of 2H-phase MoS2 thin nanosheets by electrochemical delamination remains a challenge, despite numerous efforts in this direction. In this work, by choosing appropriate intercalating cations for cathodic delamination, the insertion process was facilitated, leading to a higher degree of exfoliation while maintaining the original 2H-phase of the starting bulk MoS2 material. Specifically, trimethylalkylammonium cations were tested as electrolytes, outperforming their bulkier tetraalkylammonium counterparts, which have been the focus of past studies. The performance of novel electrochemically derived 2H-phase MoS2 nanosheets as electrode material for electrochemical energy storage in lithium-ion batteries was investigated. The lower thickness and thus higher flexibility of cathodically exfoliated MoS2 promoted better electrochemical performance compared to liquid-phase and ultrasonically assisted exfoliated MoS2, both in terms of capacity (447 vs. 371 mA·h·g-1 at 0.2 A·g-1) and rate capability (30% vs. 8% capacity retained when the current density was increased from 0.2 A·g-1 to 5 A·g-1), as well as cycle life (44% vs. 17% capacity retention at 0.2 A·g-1 after 580 cycles). Overall, the present work provides a convenient route for obtaining MoS2 thin nanosheets for their advantageous use as anode material for lithium storage.
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Affiliation(s)
- Alberto Martínez-Jódar
- Instituto de Ciencia y Tecnología del Carbono, INCAR-CSIC, Francisco Pintado Fe 26, 33011 Oviedo, Spain; (A.M.-J.); (A.C.-M.)
- CEMHTI UPR3079, University of Orléans, CNRS, 1D avenue de la Recherche Scientifique, 45071 Orléans, France;
| | - Silvia Villar-Rodil
- Instituto de Ciencia y Tecnología del Carbono, INCAR-CSIC, Francisco Pintado Fe 26, 33011 Oviedo, Spain; (A.M.-J.); (A.C.-M.)
| | - José M. Munuera
- Department of Physics, Faculty of Sciences, University of Oviedo, C/ Leopoldo Calvo Sotelo, 18, 33007 Oviedo, Spain;
- School of Physics, CRANN and AMBER Research Centre, Trinity College Dublin, D02 E8C0 Dublin, Ireland;
| | - Alberto Castro-Muñiz
- Instituto de Ciencia y Tecnología del Carbono, INCAR-CSIC, Francisco Pintado Fe 26, 33011 Oviedo, Spain; (A.M.-J.); (A.C.-M.)
| | - Jonathan N. Coleman
- School of Physics, CRANN and AMBER Research Centre, Trinity College Dublin, D02 E8C0 Dublin, Ireland;
| | | | - Juan I. Paredes
- Instituto de Ciencia y Tecnología del Carbono, INCAR-CSIC, Francisco Pintado Fe 26, 33011 Oviedo, Spain; (A.M.-J.); (A.C.-M.)
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19
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Shen X, Lin X, Peng Y, Zhang Y, Long F, Han Q, Wang Y, Han L. Two-Dimensional Materials for Highly Efficient and Stable Perovskite Solar Cells. NANO-MICRO LETTERS 2024; 16:201. [PMID: 38782775 PMCID: PMC11116351 DOI: 10.1007/s40820-024-01417-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Accepted: 04/11/2024] [Indexed: 05/25/2024]
Abstract
Perovskite solar cells (PSCs) offer low costs and high power conversion efficiency. However, the lack of long-term stability, primarily stemming from the interfacial defects and the susceptible metal electrodes, hinders their practical application. In the past few years, two-dimensional (2D) materials (e.g., graphene and its derivatives, transitional metal dichalcogenides, MXenes, and black phosphorus) have been identified as a promising solution to solving these problems because of their dangling bond-free surfaces, layer-dependent electronic band structures, tunable functional groups, and inherent compactness. Here, recent progress of 2D material toward efficient and stable PSCs is summarized, including its role as both interface materials and electrodes. We discuss their beneficial effects on perovskite growth, energy level alignment, defect passivation, as well as blocking external stimulus. In particular, the unique properties of 2D materials to form van der Waals heterojunction at the bottom interface are emphasized. Finally, perspectives on the further development of PSCs using 2D materials are provided, such as designing high-quality van der Waals heterojunction, enhancing the uniformity and coverage of 2D nanosheets, and developing new 2D materials-based electrodes.
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Affiliation(s)
- Xiangqian Shen
- State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
- Xinjiang Key Laboratory of Solid State Physics and Devices, School of Physical Science and Technology, Xinjiang University, Urumqi, 830046, People's Republic of China
| | - Xuesong Lin
- State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
| | - Yong Peng
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, People's Republic of China
| | - Yiqiang Zhang
- College of Chemistry, Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou, 450001, People's Republic of China
| | - Fei Long
- Guangxi Key Laboratory of Optical and Electronic Materials and Devices, Collaborative Innovation Center for Exploration of Nonferrous Metal Deposits and Efficient Utilization of Resources, School of Materials Science and Engineering, Guilin University of Technology, Guilin, 541004, People's Republic of China
| | - Qifeng Han
- State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
| | - Yanbo Wang
- State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China.
| | - Liyuan Han
- State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China.
- Special Division of Environmental and Energy Science, College of Arts and Sciences, Komaba Organization for Educational Excellence, University of Tokyo, Tokyo, 153-8902, Japan.
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20
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Yun H, Gao Q, Yan Y, Yu Y, Zhang Y, Li C. Continuously Adjustable Thickness of Bi 2MoO 6 Nanosheets Enhances Photocatalytic Oxidation. ACS OMEGA 2024; 9:22459-22465. [PMID: 38799307 PMCID: PMC11112557 DOI: 10.1021/acsomega.4c02493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 04/16/2024] [Accepted: 04/30/2024] [Indexed: 05/29/2024]
Abstract
In this study, two-dimensional (2D) nanosheet photocatalysts of Bi2MoO6 with varying thicknesses were synthesized by adjusting the temperature during the hydrothermal reaction. The thinnest Bi2MoO6 nanosheet reached an approximate thickness of ∼4 nm, while the thickest nanosheet measured only ∼16 nm. The photocatalytic performance for Rhodamine B (RhB) degradation was found to be the most effective for the thinnest Bi2MoO6 nanosheet, displaying a degradation rate constant of 0.11 min-1. This rate was 2.5 times higher than that observed for the ∼16 nm thick Bi2MoO6 photocatalyst. The enhanced performance of the thinner two-dimensional nanostructure can be attributed to improved separation and migration of photogenerated charges. Additionally, the study identified hydroxyl radicals (•OH) and superoxide radicals (•O2-) as crucial oxidative species, contributing to the efficient mineralization of RhB dye. This work highlights the controllable synthesis of 2D materials with varying thicknesses and their specific applications in photocatalytic oxidation.
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Affiliation(s)
- Hongjuan Yun
- Xinjiang
Academy of Environmental Protection Science, Urumqi, Xinjiang 830011, China
- Xinjiang
Engineering Technology Research Center for Cleaner Production, Urumqi, Xinjiang 830011, China
| | - Qingguo Gao
- Xinjiang
Academy of Environmental Protection Science, Urumqi, Xinjiang 830011, China
- Xinjiang
Engineering Technology Research Center for Cleaner Production, Urumqi, Xinjiang 830011, China
| | - Yin Yan
- Xinjiang
Institute of Technology, Urumqi, Xinjiang 830023, China
| | - Yin Yu
- Xinjiang
Academy of Environmental Protection Science, Urumqi, Xinjiang 830011, China
- Xinjiang
Engineering Technology Research Center for Cleaner Production, Urumqi, Xinjiang 830011, China
| | - Yuanyuan Zhang
- Xinjiang
Academy of Environmental Protection Science, Urumqi, Xinjiang 830011, China
- Xinjiang
Engineering Technology Research Center for Cleaner Production, Urumqi, Xinjiang 830011, China
| | - Chun Li
- Xinjiang
Academy of Environmental Protection Science, Urumqi, Xinjiang 830011, China
- Xinjiang
Engineering Technology Research Center for Cleaner Production, Urumqi, Xinjiang 830011, China
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21
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Hao Y, Sun TY, Ye JT, Huang LF, Wang LP. Accurate Simulation for 2D Lubricating Materials in Realistic Environments: From Classical to Quantum Mechanical Methods. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2312429. [PMID: 38655823 DOI: 10.1002/adma.202312429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 02/17/2024] [Indexed: 04/26/2024]
Abstract
2D materials such as graphene, MoS2, and hexagonal BN are the most advanced solid lubricating materials with superior friction and anti-wear performance. However, as a typical surface phenomenon, the lubricating properties of 2D materials are largely dependent on the surrounding environment, such as temperature, stress, humidity, oxygen, and other environmental substances. Given the technical challenges in experiment for real-time and in situ detection of microscopic environment-material interaction, recent years have witnessed the acceleration of computational research on the lubrication behavior of 2D materials in realistic environments. This study reviews the up-to-date computational studies for the effect of environmental factors on the lubrication performance of 2D materials, summarizes the theoretical methods in lubrication from classical to quantum-mechanics ones, and emphasizes the importance of quantum method in revealing the lubrication mechanism at atomic and electronic level. An effective simulation method based on ab initio molecular dynamics is also proposed to try to provide more ways to accurately reveal the friction mechanisms and reliably guide the lubricating material design. On the basis of current development, future prospects, and challenges for the simulation and modeling in lubrication with realistic environment are outlined.
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Affiliation(s)
- Yu Hao
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
- Research Center for Advanced Interdisciplinary Sciences, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
| | - Tian-Yu Sun
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
- Research Center for Advanced Interdisciplinary Sciences, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
| | - Jin-Tao Ye
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
- Research Center for Advanced Interdisciplinary Sciences, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
| | - Liang-Feng Huang
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
- Research Center for Advanced Interdisciplinary Sciences, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
| | - Li-Ping Wang
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
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22
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Wu P, Geng S, Wang X, Zhang X, Li H, Zhang L, Shen Y, Zha B, Zhang S, Huo F, Zhang W. Exfoliation of Metal-Organic Frameworks to Give 2D MOF Nanosheets for the Electrocatalytic Oxygen Evolution Reaction. Angew Chem Int Ed Engl 2024; 63:e202402969. [PMID: 38407381 DOI: 10.1002/anie.202402969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 02/20/2024] [Accepted: 02/21/2024] [Indexed: 02/27/2024]
Abstract
The structure and properties of materials are determined by a diverse range of chemical bond formation and breaking mechanisms, which greatly motivates the development of selectively controlling the chemical bonds in order to achieve materials with specific characteristics. Here, an orientational intervening bond-breaking strategy is demonstrated for synthesizing ultrathin metal-organic framework (MOF) nanosheets through balancing the process of thermal decomposition and liquid nitrogen exfoliation. In such approach, proper thermal treatment can weaken the interlayer bond while maintaining the stability of the intralayer bond in the layered MOFs. And the following liquid nitrogen treatment results in significant deformation and stress in the layered MOFs' structure due to the instant temperature drop and drastic expansion of liquid N2, leading to the curling, detachment, and separation of the MOF layers. The produced MOF nanosheets with five cycles of treatment are primarily composed of nanosheets that are less than 10 nm in thickness. The MOF nanosheets exhibit enhanced catalytic performance in oxygen evolution reactions owing to the ultrathin thickness without capping agents which provide improved charge transfer efficiency and dense exposed active sites. This strategy underscores the significance of orientational intervention in chemical bonds to engineer innovative materials.
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Affiliation(s)
- Peng Wu
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, 211816, Nanjing, China
| | - Shuang Geng
- School of Chemistry and Molecular Engineering, Nanjing Tech University (NanjingTech), 30 South Puzhu Road, 211816, Nanjing, China
| | - Xinyu Wang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, 211816, Nanjing, China
| | - Xinglong Zhang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, 211816, Nanjing, China
| | - Hongfeng Li
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, 211816, Nanjing, China
| | - Lulu Zhang
- School of Chemistry and Molecular Engineering, Nanjing Tech University (NanjingTech), 30 South Puzhu Road, 211816, Nanjing, China
| | - Yu Shen
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, 211816, Nanjing, China
| | - Baoli Zha
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, 211816, Nanjing, China
| | - Suoying Zhang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, 211816, Nanjing, China
| | - Fengwei Huo
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, 211816, Nanjing, China
| | - Weina Zhang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, 211816, Nanjing, China
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23
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Meganathan K, Mangamma G, Swaminadhan MJ, Murugan V, Shinde NB, Ghosh S, Eswaran SK. Thickness-Dependent Nanoscale Elastic Stiffening of Chemical Vapor Deposited Atomically Thin 2H-MoS 2 Films. J Phys Chem Lett 2024; 15:4206-4211. [PMID: 38598716 DOI: 10.1021/acs.jpclett.3c03512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/12/2024]
Abstract
Understanding the nanoscale elastic-size-effects of atomically thin transition-metal dichalcogenides (TMDs) as a function of thickness underpins the avenue of flexible 2D electronics. In this work, we employed the atomic force acoustic microscopy (AFAM) technique to investigate the thickness-dependent elastic properties of CVD grown 2H-MoS2 films. The monolayer MoS2 exhibited a Young's modulus of 273 ± 27 GPa. Our systematic analysis from bulk to monolayer suggests that the 2H-MoS2 phase exhibits nanoscale elastic-stiffening behavior with decreasing number of layers (thickness). The Young's modulus increased by a factor of ∼2.7 for monolayer MoS2 when compared with the bulk. First-principle DFT calculations affirm the nanoscale elastic-stiffening behavior of MoS2 with decreasing number of layers. Our findings suggest that the observed elastic stiffening is due to the interlayer sliding, which may be facilitated by defects in MoS2 layers. The observed elastic stiffening may be of potential importance for understanding TMD based nanomechanical devices.
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Affiliation(s)
- Kalaiarasan Meganathan
- 2D Materials and Devices Laboratory (2DML), Sir C. V. Raman Research Park, Department of Physics and Nanotechnology, SRM Institute of Science and Technology (SRMIST), Kattankulathur 603203, Chennai, India
| | - G Mangamma
- Surface and Nanoscience Division, Indira Gandhi Centre for Atomic Research (IGCAR), Kalpakkam 603102, Tamil Nadu, India
| | - M J Swaminadhan
- Materials Design Lab, Department of Physics and Nanotechnology, SRM Institute of Science and Technology (SRMIST), Kattankulathur 603203, Chennai, India
| | - Vijaykumar Murugan
- 2D Materials and Devices Laboratory (2DML), Sir C. V. Raman Research Park, Department of Physics and Nanotechnology, SRM Institute of Science and Technology (SRMIST), Kattankulathur 603203, Chennai, India
| | - Nitin Babu Shinde
- 2D Materials and Devices Laboratory (2DML), Sir C. V. Raman Research Park, Department of Physics and Nanotechnology, SRM Institute of Science and Technology (SRMIST), Kattankulathur 603203, Chennai, India
| | - Saurabh Ghosh
- Materials Design Lab, Department of Physics and Nanotechnology, SRM Institute of Science and Technology (SRMIST), Kattankulathur 603203, Chennai, India
| | - Senthil Kumar Eswaran
- 2D Materials and Devices Laboratory (2DML), Sir C. V. Raman Research Park, Department of Physics and Nanotechnology, SRM Institute of Science and Technology (SRMIST), Kattankulathur 603203, Chennai, India
- Nanotechnology Research Centre (NRC), SRM Institute of Science and Technology (SRMIST), Kattankulathur 603203, Chennai, India
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24
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Zhang J, Koneru A, Sankaranarayanan SKRS, Lilley CM. Evolutionary Search and Theoretical Study of Silicene Grain Boundaries' Mechanical Properties. THE JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES 2024; 128:6019-6030. [PMID: 38629113 PMCID: PMC11017321 DOI: 10.1021/acs.jpcc.3c07294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 02/07/2024] [Accepted: 02/29/2024] [Indexed: 04/19/2024]
Abstract
Defects such as grain boundaries (GBs) are almost inevitable during the synthesis process of 2D materials. To take advantage of the fascinating properties of 2D materials, understanding the nature and impact of various GB structures on pristine 2D sheets is crucial. In this work, using an evolutionary algorithm search, we predict a wide variety of silicene GB structures with very different atomic structures compared with those found in graphene or hexagonal boron-nitride. Twenty-one GBs with the lowest energy were validated by density functional theory (DFT), a majority of which were previously unreported to our best knowledge. Based on the diversity of the GB predictions, we found that the formation energy and mechanical properties can be dramatically altered by adatom positions within a GB and certain types of atomic structures, such as four-atom rings. To study the mechanical behavior of these GBs, we apply strain to the GB structures stepwise and use DFT calculations to investigate the mechanical properties of 9 representative structures. It is observed that GB structures based on pentagon-heptagon pairs are likely to have similar or higher in-plane stiffness and strength compared to the zigzag orientation of pristine silicene. However, an adatom located at the hollow site of a heptagon ring can significantly deteriorate the mechanical strength. For all of the structures, the in-plane stiffness and strength were found to decrease with increasing formation energy. For the failure behavior of GB structures, it was found that GB structures based on pentagon-heptagon pairs have failure behavior similar to that of graphene. We also found that the GB structures with atoms positioned outside of the 2D plane tend to experience phase transitions before failure. Utilizing the evolutionary algorithm, we locate diverse silicene GBs and obtain useful information about their mechanical properties.
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Affiliation(s)
- Jianan Zhang
- Department
of Mechanical and Industrial Engineering, The University of Illinois at Chicago, 842 W. Taylor, Chicago, Illinois 60607, United States
| | - Aditya Koneru
- Department
of Mechanical and Industrial Engineering, The University of Illinois at Chicago, 842 W. Taylor, Chicago, Illinois 60607, United States
- Center
for Nanoscale Materials, Argonne National
Lab, Argonne, Illinois 60439, United States
| | - Subramanian K. R. S. Sankaranarayanan
- Department
of Mechanical and Industrial Engineering, The University of Illinois at Chicago, 842 W. Taylor, Chicago, Illinois 60607, United States
- Center
for Nanoscale Materials, Argonne National
Lab, Argonne, Illinois 60439, United States
| | - Carmen M. Lilley
- Department
of Mechanical and Industrial Engineering, The University of Illinois at Chicago, 842 W. Taylor, Chicago, Illinois 60607, United States
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25
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Xiong S, Wang Y, Yao J, Xu J, Xu M. Exciton Dynamics of TiOPc/WSe 2 Heterostructure. ACS NANO 2024; 18:10249-10258. [PMID: 38529949 DOI: 10.1021/acsnano.4c00946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
The van der Waals (vdW) heterostructures composed of two-dimensional (2D) transition metal dichalcogenides (TMDs) and organic semiconductors demonstrate numerous compelling optoelectronic properties. However, the influence of the vdW epitaxial effect and temperature on the optoelectronic properties and interface exciton dynamics of heterostructures remains unclear. This study systematically investigates the fluorescence properties of TiOPc/WSe2 heterostructure. Comprehensive spectral characterization elucidates that the emission behavior of the TiOPc/WSe2 heterostructure arises from charge/energy transfer at the heterostructure interfaces and the structural ordering of the organic layer on the 2D monolayer WSe2 induced by vdW epitaxy. The interface exciton dynamic features probed by ultrafast transient spectroscopy reveal that the face-to-face molecular stacking configuration of TiOPc exhibits ultrafast exciton dynamics. In particular, we observe picosecond-scale absorption of organic molecular dimer cations, providing direct evidence of interface charge transfer at room temperature. Moreover, energy transfer from the TiOPc to WSe2 may exist based on the tunability in the fluorescence emission of the TiOPc/WSe2 heterostructure as the temperature changes. This study unveils the critical role of vdW epitaxy and temperature in the exciton dynamics of organic/2D TMDs hybrid systems and provides guidance for studying interlayer charge and energy transfer in organic/inorganic heterostructures.
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Affiliation(s)
- Shuo Xiong
- College of Integrated Circuits, State Key Laboratory of Silicon and Advanced Semiconductor Materials, Zhejiang University, Hangzhou 310027, P. R. China
| | - Yuwei Wang
- College of Integrated Circuits, State Key Laboratory of Silicon and Advanced Semiconductor Materials, Zhejiang University, Hangzhou 310027, P. R. China
| | - Jialong Yao
- College of Integrated Circuits, State Key Laboratory of Silicon and Advanced Semiconductor Materials, Zhejiang University, Hangzhou 310027, P. R. China
| | - Jing Xu
- Optical Communications Laboratory, Ocean College, Zhejiang University, Zhoushan 316021, P. R. China
| | - Mingsheng Xu
- College of Integrated Circuits, State Key Laboratory of Silicon and Advanced Semiconductor Materials, Zhejiang University, Hangzhou 310027, P. R. China
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26
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Zhao LX, Chen LL, Cheng D, Wu TY, Fan YG, Wang ZY. Potential Application Prospects of Biomolecule-Modified Two-Dimensional Chiral Nanomaterials in Biomedicine. ACS Biomater Sci Eng 2024; 10:2022-2040. [PMID: 38506625 DOI: 10.1021/acsbiomaterials.3c01871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/21/2024]
Abstract
Chirality, one of the most fundamental properties of natural molecules, plays a significant role in biochemical reactions. Nanomaterials with chiral characteristics have superior properties, such as catalytic properties, optoelectronic properties, and photothermal properties, which have significant potential for specific applications in nanomedicine. Biomolecular modifications such as nucleic acids, peptides, proteins, and polysaccharides are sources of chirality for nanomaterials with great potential for application in addition to intrinsic chirality, artificial macromolecules, and metals. Two-dimensional (2D) nanomaterials, as opposed to other dimensions, due to proper surface area, extensive modification sites, drug loading potential, and simplicity of preparation, are prepared and utilized in diagnostic applications, drug delivery research, and tumor therapy. Current advanced studies on 2D chiral nanomaterials for biomedicine are focused on novel chiral development, structural control, and materials sustainability applications. However, despite the advances in biomedical research, chiral 2D nanomaterials still confront challenges such as the difficulty of synthesis, quality control, batch preparation, chiral stability, and chiral recognition and selectivity. This review aims to provide a comprehensive overview of the origins, synthesis, applications, and challenges of 2D chiral nanomaterials with biomolecules as cargo and chiral modifications and highlight their potential roles in biomedicine.
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Affiliation(s)
- Ling-Xiao Zhao
- Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Major Chronic Diseases of Nervous System of Liaoning Province, Health Sciences Institute of China Medical University, Shenyang 110122, China
| | - Li-Lin Chen
- Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Major Chronic Diseases of Nervous System of Liaoning Province, Health Sciences Institute of China Medical University, Shenyang 110122, China
| | - Di Cheng
- Dalian Gentalker Biological Technology Co., Ltd., Dalian 116699, China
| | - Ting-Yao Wu
- First Affiliated Hospital of Jinzhou Medical University, Jinzhou 121000, China
| | - Yong-Gang Fan
- Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Major Chronic Diseases of Nervous System of Liaoning Province, Health Sciences Institute of China Medical University, Shenyang 110122, China
| | - Zhan-You Wang
- Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Major Chronic Diseases of Nervous System of Liaoning Province, Health Sciences Institute of China Medical University, Shenyang 110122, China
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27
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Zhang W, Yao Z, Burton LA. Predicting two-dimensional semiconductors using conductivity effective mass. Phys Chem Chem Phys 2024; 26:10520-10529. [PMID: 38512292 DOI: 10.1039/d4cp00277f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
In this paper we investigate the relationship between the conductivity effective mass and exfoliation energy of materials to assess whether automatic sampling of the electron band structure can predict the presence of and ease of separating chemically bonded layers. We assess 22 976 materials from the Materials Project database, screen for only those that are thermodynamically stable and identify the 1000 materials with the highest standard deviation for p-type and the 1000 materials with the highest standard deviation for n-type internal conductivity effective mass tensors. We calculate the exfoliation energy of these 2000 materials and report on the correlation between effective mass and exfoliation energy. A relationship is found which is used to identify a previously unconsidered two-dimensional material and could streamline the modelling of other two-dimensional materials in the future.
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Affiliation(s)
- Wenjun Zhang
- International Centre for Quantum and Molecular Structures, Department of Physics, Shanghai University, Shanghai 200444, China
| | - Zhikun Yao
- International Centre for Quantum and Molecular Structures, Department of Physics, Shanghai University, Shanghai 200444, China
| | - Lee A Burton
- Department of Materials Science and Engineering, The Ilby and Aladar Fleischman Faculty of Engineering, Tel Aviv University, Ramat Aviv, Tel Aviv 6997801, Israel.
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28
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Liao S, Zhao W, Gu X. Morphology and selectivity of hydrated alkali metal ions as depth of discharge in the 1T-MoS 2 electrode with aqueous electrolytes. Phys Chem Chem Phys 2024; 26:11094-11104. [PMID: 38530648 DOI: 10.1039/d3cp06031d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
Aqueous ion batteries have great commercial potential in green power and energy storage due to their green nature, safety and high ionic conductivities. Different from organic electrolytes, alkali ions (Li+, Na+, and K+) inevitably bring water molecules into the electrodes during the charging/discharging process due to the hydration of ions with water molecules. The selectivity of alkali ions and the mechanism of how water molecules are involved in the ion extraction/insertion process in the electrodes have not been clarified. In this study, we focus on the characteristics of the intra-layer distribution of different hydrated ions (Li+, Na+, and K+) and the quantitative analysis of the selectivity of hydrated cations in aqueous batteries. We found that the concentration of hydrated ions greatly affects their distribution within the 1T-MoS2 layers, and the presence of hydrogen bonding and O-O repulsive forces between water molecules causes the hydrated ions to gradually form chains from the dispersed state under the effect of hydrogen bonding and ionic bonding, then further form strips, and ultimately be densely dispersed within the whole layer. In addition, the chemical potential difference of hydrated ions is the key to the competitive reaction, and we quantitatively analyze the selectivity relationship between hydrated cations throughout the charging and discharging process; hydrated sodium ions will have better performance than lithium and potassium ions in aqueous batteries.
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Affiliation(s)
- Shenrui Liao
- School of Physical Science and Technology, Ningbo University, Ningbo 315211, China.
| | - Wenhui Zhao
- School of Physical Science and Technology, Ningbo University, Ningbo 315211, China.
| | - Xiao Gu
- School of Physical Science and Technology, Ningbo University, Ningbo 315211, China.
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29
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Qi J, Dai Y, Ma C, Ke C, Wang W, Wu Z, Wang X, Bao K, Xu Y, Huang H, Wang L, Wu J, Luo G, Chen Y, Lin Z, He Q. Surfactant-Free Ultrasonication-Assisted Synthesis of 2d Tellurium Based on Metastable 1T'-MoTe 2. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2306962. [PMID: 37652747 DOI: 10.1002/adma.202306962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 08/21/2023] [Indexed: 09/02/2023]
Abstract
Elemental 2D materials (E2DMs) have been attracting considerable attention owing to their chemical simplicity and excellent/exotic properties. However, the lack of robust chemical synthetic methods seriously limits their potential. Here, a surfactant-free liquid-phase synthesis of high-quality 2D tellurium is reported based on ultrasonication-assisted exfoliation of metastable 1T'-MoTe2. The as-grown 2D tellurium nanosheets exhibit excellent single crystallinity, ideal 2D morphology, surfactant-free surface, and negligible 1D by-products. Furthermore, a unique growth mechanism based on the atomic escape of Te atoms from metastable transition metal dichalcogenides and guided 2D growth in the liquid phase is proposed and verified. 2D tellurium-based field-effect transistors show ultrahigh hole mobility exceeding 1000 cm2 V-1 s-1 at room temperature attributing to the high crystallinity and surfactant-free surface, and exceptional chemical and operational stability using both solid-state dielectric and liquid-state electrical double layer. The facile ultrasonication-assisted synthesis of high-quality 2D tellurium paves the way for further exploration of E2DMs and expands the scope of liquid-phase exfoliation (LPE) methodology toward the controlled wet-chemical synthesis of functional nanomaterials.
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Affiliation(s)
- Junlei Qi
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, 999077, China
| | - Yongping Dai
- Department of Chemistry, Engineering Research Center of Advanced Rare Earth Materials (Ministry of Education), Tsinghua University, Beijing, 100084, China
| | - Chen Ma
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, 999077, China
| | - Chengxuan Ke
- Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Wenbin Wang
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, 999077, China
| | - Zongxiao Wu
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, 999077, China
| | - Xiang Wang
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, 999077, China
| | - Kai Bao
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, 999077, China
| | - Yue Xu
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, 999077, China
| | - Haoxin Huang
- Department of Electrical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, 999077, China
| | - Lingzhi Wang
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, 999077, China
| | - Jingkun Wu
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, 999077, China
| | - Guangfu Luo
- Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Ye Chen
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, 999077, China
| | - Zhaoyang Lin
- Department of Chemistry, Engineering Research Center of Advanced Rare Earth Materials (Ministry of Education), Tsinghua University, Beijing, 100084, China
| | - Qiyuan He
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, 999077, China
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30
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Wang X, Chen A, Wu X, Zhang J, Dong J, Zhang L. Synthesis and Modulation of Low-Dimensional Transition Metal Chalcogenide Materials via Atomic Substitution. NANO-MICRO LETTERS 2024; 16:163. [PMID: 38546814 PMCID: PMC10978568 DOI: 10.1007/s40820-024-01378-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 02/17/2024] [Indexed: 04/01/2024]
Abstract
In recent years, low-dimensional transition metal chalcogenide (TMC) materials have garnered growing research attention due to their superior electronic, optical, and catalytic properties compared to their bulk counterparts. The controllable synthesis and manipulation of these materials are crucial for tailoring their properties and unlocking their full potential in various applications. In this context, the atomic substitution method has emerged as a favorable approach. It involves the replacement of specific atoms within TMC structures with other elements and possesses the capability to regulate the compositions finely, crystal structures, and inherent properties of the resulting materials. In this review, we present a comprehensive overview on various strategies of atomic substitution employed in the synthesis of zero-dimensional, one-dimensional and two-dimensional TMC materials. The effects of substituting elements, substitution ratios, and substitution positions on the structures and morphologies of resulting material are discussed. The enhanced electrocatalytic performance and photovoltaic properties of the obtained materials are also provided, emphasizing the role of atomic substitution in achieving these advancements. Finally, challenges and future prospects in the field of atomic substitution for fabricating low-dimensional TMC materials are summarized.
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Affiliation(s)
- Xuan Wang
- Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic and Electrophonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, People's Republic of China
| | - Akang Chen
- Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic and Electrophonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, People's Republic of China
| | - XinLei Wu
- Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic and Electrophonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, People's Republic of China
| | - Jiatao Zhang
- Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic and Electrophonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, People's Republic of China.
| | - Jichen Dong
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry Chinese Academy of Sciences, Beijing, 100190, People's Republic of China.
| | - Leining Zhang
- Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic and Electrophonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, People's Republic of China.
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31
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Radatović B, Çakıroğlu O, Jadriško V, Frisenda R, Senkić A, Vujičić N, Kralj M, Petrović M, Castellanos-Gomez A. Strain-Enhanced Large-Area Monolayer MoS 2 Photodetectors. ACS APPLIED MATERIALS & INTERFACES 2024; 16:15596-15604. [PMID: 38500411 PMCID: PMC10982932 DOI: 10.1021/acsami.4c00458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 03/03/2024] [Accepted: 03/05/2024] [Indexed: 03/20/2024]
Abstract
In this study, we show a direct correlation between the applied mechanical strain and an increase in monolayer MoS2 photoresponsivity. This shows that tensile strain can improve the efficiency of monolayer MoS2 photodetectors. The observed high photocurrent and extended response time in our devices are indicative that devices are predominantly governed by photogating mechanisms, which become more prominent with applied tensile strain. Furthermore, we have demonstrated that a nonencapsulated MoS2 monolayer can be used in strain-based devices for many cycles and extensive periods of time, showing endurance under ambient conditions without loss of functionality. Such robustness emphasizes the potential of MoS2 for further functionalization and utilization of different flexible sensors.
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Affiliation(s)
- Borna Radatović
- Center
for Advanced Laser Techniques, Institute
of Physics, Bijenička 46, 10000 Zagreb, Croatia
- Materials
Science Factory, Instituto de Ciencia de
Materiales de Madrid (ICMM-CSIC), 28049 Madrid, Spain
| | - Onur Çakıroğlu
- Materials
Science Factory, Instituto de Ciencia de
Materiales de Madrid (ICMM-CSIC), 28049 Madrid, Spain
| | - Valentino Jadriško
- Center
for Advanced Laser Techniques, Institute
of Physics, Bijenička 46, 10000 Zagreb, Croatia
- Physics
Department, Politecnico di Milano, 20133 Milan, Italy
| | | | - Ana Senkić
- Center
for Advanced Laser Techniques, Institute
of Physics, Bijenička 46, 10000 Zagreb, Croatia
| | - Nataša Vujičić
- Center
for Advanced Laser Techniques, Institute
of Physics, Bijenička 46, 10000 Zagreb, Croatia
| | - Marko Kralj
- Center
for Advanced Laser Techniques, Institute
of Physics, Bijenička 46, 10000 Zagreb, Croatia
| | - Marin Petrović
- Center
for Advanced Laser Techniques, Institute
of Physics, Bijenička 46, 10000 Zagreb, Croatia
| | - Andres Castellanos-Gomez
- Materials
Science Factory, Instituto de Ciencia de
Materiales de Madrid (ICMM-CSIC), 28049 Madrid, Spain
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32
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Tian Q, Bagheri Tagani M, Izadi Vishkayi S, Zhang C, Li B, Zhang L, Yin LJ, Tian Y, Zhang L, Qin Z. Twist-Angle Tuning of Electronic Structure in Two-Dimensional Dirac Nodal Line Semimetal Au 2Ge on Au(111). ACS NANO 2024; 18:9011-9018. [PMID: 38470156 DOI: 10.1021/acsnano.3c12753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/13/2024]
Abstract
Topological semimetals have emerged as quantum materials including Dirac, Weyl, and nodal line semimetals, and so on. Dirac nodal line (DNL) semimetals possess topologically nontrivial bands crossing along a line or a loop and are considered precursor states for other types of semimetals. Here, we combine scanning tunneling microscopy/spectroscopy (STM/S) measurements and density functional theory (DFT) calculations to investigate a twist angle tuning of electronic structure in two-dimensional DNL semimetal Au2Ge. Theoretical calculations show that two bands of Au2Ge touch each other in Γ-M and Γ-K paths, forming a DNL. A significant transition of electronic structure occurs by tuning the twist angle from 30° to 24° between monolayer Au2Ge and Au(111), as confirmed by STS measurements and DFT calculations. The disappearing of DNL state is a direct consequence of symmetry breaking.
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Affiliation(s)
- Qiwei Tian
- Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education & Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Meysam Bagheri Tagani
- Department of Physics, University of Guilan, P.O. Box 41335-1914, 32504550, Rasht, Iran
| | - Sahar Izadi Vishkayi
- School of Physics, Institute for Research in Fundamental Sciences (IPM), P.O. Box 19395-5531, Tehran, Iran
| | - Chen Zhang
- Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education & Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Bo Li
- Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education & Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Li Zhang
- Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education & Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Long-Jing Yin
- Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education & Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Yuan Tian
- Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education & Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Lijie Zhang
- Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education & Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Zhihui Qin
- Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education & Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices, School of Physics and Electronics, Hunan University, Changsha 410082, China
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Chen Y, Zhu Q, Sun J, Sun Y, Hanagata N, Xu M. A high-performance broadband phototransistor array of a PdSe 2/SOI Schottky junction. NANOSCALE 2024; 16:6078-6086. [PMID: 38441960 DOI: 10.1039/d3nr06643f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
There is great interest in the incorporation of novel two-dimensional materials into Si-based technologies to realize multifunctional optoelectronic devices via heterogeneous integration. Here, we demonstrate a gate-tunable, self-driven, high-performance broadband phototransistor array based on a PdSe2/Si Schottky junction, which is fabricated by pre-depositing a semi-metallic PdSe2 film on a SOI substrate. In addition, thanks to the zero bandgap of the PdSe2 material and the PdSe2/Si vertical heterostructure, the prepared phototransistor exhibits pronounced photovoltaic properties in a wide spectral range from ultraviolet to near-infrared. The responsivity, specific detectivity and response time of the device at the incident light wavelength of 808 nm are 1.15 A W-1, 9.39 × 1010 Jones, and 27.1/40.3 μs, respectively, which are better than those of previously reported PdSe2-based photodetectors. The photoelectric performance can be further improved by applying an appropriate gate voltage to the phototransistor and the responsivity of the device increases to 1.61 A W-1 at VG = 5 V. We demonstrate the excellent imaging capabilities of a 4 × 4 array image sensor using PdSe2/SOI phototransistors under 375 nm, 532 nm, and 808 nm laser sources.
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Affiliation(s)
- Yexin Chen
- College of Integrated Circuits, State Key Laboratory of Silicon and Advanced Semiconductor Materials, Zhejiang University, Hangzhou 310027, China.
| | - Qinghai Zhu
- College of Integrated Circuits, State Key Laboratory of Silicon and Advanced Semiconductor Materials, Zhejiang University, Hangzhou 310027, China.
| | - Jiabao Sun
- College of Information Science & Electronic Engineering, Zhejiang University, 38 Zheda Road, Hangzhou 310027, China
| | - Yijun Sun
- College of Information Science & Electronic Engineering, Zhejiang University, 38 Zheda Road, Hangzhou 310027, China
| | - Nobutaka Hanagata
- Research Center for Functional Materials and Nanotechnology Innovation Station, National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan
| | - Mingsheng Xu
- College of Integrated Circuits, State Key Laboratory of Silicon and Advanced Semiconductor Materials, Zhejiang University, Hangzhou 310027, China.
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Gautam C, Thakurta B, Pal M, Ghosh AK, Giri A. Wafer scale growth of single crystal two-dimensional van der Waals materials. NANOSCALE 2024; 16:5941-5959. [PMID: 38445855 DOI: 10.1039/d3nr06678a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/07/2024]
Abstract
Two-dimensional (2D) van der Waals (vdW) materials, including graphene, hexagonal boron nitride (hBN), and metal dichalcogenides (MCs), form the basis of modern electronics and optoelectronics due to their unique electronic structure, chemical activity, and mechanical strength. Despite many proof-of-concept demonstrations so far, to fully realize their large-scale practical applications, especially in devices, wafer-scale single crystal atomically thin highly uniform films are indispensable. In this minireview, we present an overview on the strategies and highlight recent significant advances toward the synthesis of wafer-scale single crystal graphene, hBN, and MC 2D thin films. Currently, there are five distinct routes to synthesize wafer-scale single crystal 2D vdW thin films: (i) nucleation-controlled growth by suppressing the nucleation density, (ii) unidirectional alignment of multiple epitaxial nuclei and their seamless coalescence, (iii) self-collimation of randomly oriented grains on a molten metal, (iv) surface diffusion and epitaxial self-planarization and (v) seed-mediated 2D vertical epitaxy. Finally, the challenges that need to be addressed in future studies have also been described.
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Affiliation(s)
- Chetna Gautam
- Department of Physics, Institute of Science, Banaras Hindu University, Varanasi, UP - 221005, India.
| | - Baishali Thakurta
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, UP - 221005, India
| | - Monalisa Pal
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, UP - 221005, India
| | - Anup Kumar Ghosh
- Department of Physics, Institute of Science, Banaras Hindu University, Varanasi, UP - 221005, India.
| | - Anupam Giri
- Department of Chemistry, Faculty of Science, University of Allahabad, Prayagraj, UP-211002, India
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Qi M, Tong T, Fan X, Li X, Wang S, Zhang G, Chen R, Hu J, Yang Z, Zeng G, Qin C, Xiao L, Jia S. Anomalous layer-dependent photoluminescence spectra of supertwisted spiral WS 2. OPTICS EXPRESS 2024; 32:10419-10428. [PMID: 38571254 DOI: 10.1364/oe.516177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 02/21/2024] [Indexed: 04/05/2024]
Abstract
Twisted stacking of two-dimensional materials with broken inversion symmetry, such as spiral MoTe2 nanopyramids and supertwisted spiral WS2, emerge extremely strong second- and third-harmonic generation. Unlike well-studied nonlinear optical effects in these newly synthesized layered materials, photoluminescence (PL) spectra and exciton information involving their optoelectronic applications remain unknown. Here, we report layer- and power-dependent PL spectra of the supertwisted spiral WS2. The anomalous layer-dependent PL evolutions that PL intensity almost linearly increases with the rise of layer thickness have been determined. Furthermore, from the power-dependent spectra, we find the power exponents of the supertwisted spiral WS2 are smaller than 1, while those of the conventional multilayer WS2 are bigger than 1. These two abnormal phenomena indicate the enlarged interlayer spacing and the decoupling interlayer interaction in the supertwisted spiral WS2. These observations provide insight into PL features in the supertwisted spiral materials and may pave the way for further optoelectronic devices based on the twisted stacking materials.
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Dai Y, Liu G, He J, Yang Z, Zhang G. Bending deformation modulation of the optoelectronic properties of molybdenum ditelluride doped with nonmetallic atoms X (X = B, C, N, O): a first-principles study. J Mol Model 2024; 30:94. [PMID: 38443609 DOI: 10.1007/s00894-024-05895-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 03/01/2024] [Indexed: 03/07/2024]
Abstract
CONTEXT A first-principles approach based on density functional theory was used to explore the effect of bending deformation on the electrical structure of molybdenum ditelluride doped with nonmetallic atoms X (X = B, C, N, and O). The study included alternate doping of nonmetallic atoms, as well as a comparison of the effects of intrinsic bending deformation and nonmetallic doping deformation. The results demonstrate that boron atom doping raises the Fermi energy level. Examining the energy band structure indicates that the intrinsic molybdenum ditelluride is a direct band gap semiconductor, which is transformed from a direct band gap to an indirect band gap after doping. We selected boron-doped systems for bending deformation and compared them with the intrinsic systems. With increasing deformation, all systems start to shift from semiconductor to metal. When the deformation reaches 8°, the energy levels fill and the electron energy increases. The intrinsically bent systems transition from direct band gap to indirect band gap and eventually to metal. The indirect band gap semiconductor-to-metal transition process occurs after the bending deformation of the boron-doped atoms. The analytical results show that the absorption and reflection peaks of the molybdenum ditelluride system are blue-shifted after the bending deformation of the boron-doped atoms. METHODS Under fundamental principles, this research depends on the density functional theory framework (DFT) using the CASTEP module in the Materials-Studio software. The plane-wave pseudopotential approach with modified gradient approximation and the Perdew-Burke-Ernzerhof (PBE) generalized function is used for structure optimization and total energy calculations of the X-doped (X = B, C, N, O) MoTe2 system at different shape variables. Geometry optimization of the 27-atom superlattice MoTe2 was carried out, followed by alternative doping of tellurium atoms in the molybdenum ditelluride with B, C, N, and O. In this paper, the intrinsic bending deformation and B-doping of molybdenum ditelluride were selected for deformation analysis. Intrinsic bending deformations and boron-doped molybdenum ditelluride with bending angles ranging from 2° to 8° were employed for deformation investigation. In Fig. 1, pink is used to represent doped B atoms, orange is used to describe Te atoms, and green is used to represent Mo atoms. For the degree of deformation of molybdenum ditelluride, in this paper, it is expressed by the bending angle, i.e., the angle of the plane of molybdenum ditelluride after bending and deformation of a single layer of molybdenum ditelluride concerning the angle of the plane folded for the deformed plane. How to do it: For ease of presentation, the atomic chains are set to different colors. The purple part on both sides of the figure is bent and deformed, 3-5 atoms are fixed appropriately, and the middle part is deformed. On this basis, the bending deformation of intrinsically doped and boron-doped MoTe2 is comparatively analyzed. The effect of boron-doped atoms on the structure of MoTe2 is systematically investigated to study its structural stability and electronic structure. Fig. 1 a1 and a2 The main and side views of intrinsic MoTe2; b1 and (b2) the main and side views of MoTe2 doped with boron atoms bent by 8°.
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Affiliation(s)
- Ying Dai
- College of Architecture and Civil Engineering, Shenyang University of Technology, Shenyang, People's Republic of China
| | - Guili Liu
- College of Architecture and Civil Engineering, Shenyang University of Technology, Shenyang, People's Republic of China.
| | - Jianlin He
- College of Architecture and Civil Engineering, Shenyang University of Technology, Shenyang, People's Republic of China
| | - Zhonghua Yang
- College of Architecture and Civil Engineering, Shenyang University of Technology, Shenyang, People's Republic of China
| | - Guoying Zhang
- School of Physics, Shenyang Normal University, Shenyang, People's Republic of China
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Behzad S, Chegel R. Tunability of electronic and thermoelectric properties of hexagonal boron nitride with carbon impurities under magnetic field: Tight binding investigation. J Mol Graph Model 2024; 127:108679. [PMID: 38016332 DOI: 10.1016/j.jmgm.2023.108679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 10/28/2023] [Accepted: 11/17/2023] [Indexed: 11/30/2023]
Abstract
Utilizing the Kubo-Greenwood formula, Tight Binding calculations were employed to examine the electronic and thermoelectric properties of hexagonal boron nitride (h-BN) with carbon impurity instead of boron, nitrogen and pairs boron-nitrogen. The electronic properties of the pristine monolayer BN are markedly impacted by the introduction of carbon dopants and its band gap reduction is directly correlated with the concentration of carbon impurities. The electronic properties of doped h-BN are influenced by the presence of a magnetic field, leading to subband separation and band gap narrowing, independent of the impurity types. The thermal conductivity and magnetic susceptibility of the CBN-doped monolayer BN structure are higher than those of the BC and NC doped h-BN structures and for all structures, their properties have a strong dependence on the magnetic field. The Lorenz Number for all structures has peak at the TM temperature which shifts to a lower temperature as the impurity concentration decreases.
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Affiliation(s)
- Somayeh Behzad
- Department of Engineering Physics, Kermanshah University of Technology, Kermanshah, Iran.
| | - Raad Chegel
- Physics Department, Faculty of Science, Malayer University, Malayer, Iran
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Chao Y, Han Y, Chen Z, Chu D, Xu Q, Wallace G, Wang C. Multiscale Structural Design of 2D Nanomaterials-based Flexible Electrodes for Wearable Energy Storage Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2305558. [PMID: 38115755 PMCID: PMC10916616 DOI: 10.1002/advs.202305558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 11/22/2023] [Indexed: 12/21/2023]
Abstract
2D nanomaterials play a critical role in realizing high-performance flexible electrodes for wearable energy storge devices, owing to their merits of large surface area, high conductivity and high strength. The electrode is a complex system and the performance is determined by multiple and interrelated factors including the intrinsic properties of materials and the structures at different scales from macroscale to atomic scale. Multiscale design strategies have been developed to engineer the structures to exploit full potential and mitigate drawbacks of 2D materials. Analyzing the design strategies and understanding the working mechanisms are essential to facilitate the integration and harvest the synergistic effects. This review summarizes the multiscale design strategies from macroscale down to micro/nano-scale structures and atomic-scale structures for developing 2D nanomaterials-based flexible electrodes. It starts with brief introduction of 2D nanomaterials, followed by analysis of structural design strategies at different scales focusing on the elucidation of structure-property relationship, and ends with the presentation of challenges and future prospects. This review highlights the importance of integrating multiscale design strategies. Finding from this review may deepen the understanding of electrode performance and provide valuable guidelines for designing 2D nanomaterials-based flexible electrodes.
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Affiliation(s)
- Yunfeng Chao
- Henan Institute of Advanced TechnologyZhengzhou UniversityZhengzhou450052China
- Intelligent Polymer Research InstituteARC Centre of Excellence for Electromaterials ScienceAIIM FacilityInnovation CampusUniversity of WollongongWollongongNSW2522Australia
| | - Yan Han
- Energy & Materials Engineering CentreCollege of Physics and Materials ScienceTianjin Normal UniversityTianjin300387China
| | - Zhiqi Chen
- Intelligent Polymer Research InstituteARC Centre of Excellence for Electromaterials ScienceAIIM FacilityInnovation CampusUniversity of WollongongWollongongNSW2522Australia
| | - Dewei Chu
- School of Materials Science and EngineeringThe University of New South WalesSydneyNSW2052Australia
| | - Qun Xu
- Henan Institute of Advanced TechnologyZhengzhou UniversityZhengzhou450052China
| | - Gordon Wallace
- Intelligent Polymer Research InstituteARC Centre of Excellence for Electromaterials ScienceAIIM FacilityInnovation CampusUniversity of WollongongWollongongNSW2522Australia
| | - Caiyun Wang
- Intelligent Polymer Research InstituteARC Centre of Excellence for Electromaterials ScienceAIIM FacilityInnovation CampusUniversity of WollongongWollongongNSW2522Australia
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Liu H, He L, Kuzmanović M, Huang Y, Zhang L, Zhang Y, Zhu Q, Ren Y, Dong Y, Cardon L, Gou M. Advanced Nanomaterials in Medical 3D Printing. SMALL METHODS 2024; 8:e2301121. [PMID: 38009766 DOI: 10.1002/smtd.202301121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 09/22/2023] [Indexed: 11/29/2023]
Abstract
3D printing is now recognized as a significant tool for medical research and clinical practice, leading to the emergence of medical 3D printing technology. It is essential to improve the properties of 3D-printed products to meet the demand for medical use. The core of generating qualified 3D printing products is to develop advanced materials and processes. Taking advantage of nanomaterials with tunable and distinct physical, chemical, and biological properties, integrating nanotechnology into 3D printing creates new opportunities for advancing medical 3D printing field. Recently, some attempts are made to improve medical 3D printing through nanotechnology, providing new insights into developing advanced medical 3D printing technology. With high-resolution 3D printing technology, nano-structures can be directly fabricated for medical applications. Incorporating nanomaterials into the 3D printing material system can improve the properties of the 3D-printed medical products. At the same time, nanomaterials can be used to expand novel medical 3D printing technologies. This review introduced the strategies and progresses of improving medical 3D printing through nanotechnology and discussed challenges in clinical translation.
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Affiliation(s)
- Haofan Liu
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Liming He
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Maja Kuzmanović
- College of Polymer Science and Engineering, Sichuan University, Chengdu, 610065, China
| | - Yiting Huang
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Li Zhang
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Yi Zhang
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Qi Zhu
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Ya Ren
- Huahang Microcreate Technology Co., Ltd, Chengdu, 610042, China
| | - Yinchu Dong
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
- Chengdu OrganoidMed Medical Laboratory, Chengdu, 610000, China
| | - Ludwig Cardon
- Centre for Polymer and Material Technologies, Department of Materials, Textiles and Chemical Engineering, Faculty of Engineering and Architecture, Ghent University, Ghent, 9159052, Belgium
| | - Maling Gou
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
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Liu B, Demir B, Gultakti CA, Marrs J, Gong Y, Li R, Oren EE, Hihath J. Self-Aligning Nanojunctions for Integrated Single-Molecule Circuits. ACS NANO 2024; 18:4972-4980. [PMID: 38214957 DOI: 10.1021/acsnano.3c10844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2024]
Abstract
Robust, high-yield integration of nanoscale components such as graphene nanoribbons, nanoparticles, or single-molecules with conventional electronic circuits has proven to be challenging. This difficulty arises because the contacts to these nanoscale devices must be precisely fabricated with angstrom-level resolution to make reliable connections, and at manufacturing scales this cannot be achieved with even the highest-resolution lithographic tools. Here we introduce an approach that circumvents this issue by precisely creating nanometer-scale gaps between metallic carbon electrodes by using a self-aligning, solution-phase process, which allows facile integration with conventional electronic systems with yields approaching 50%. The electrode separation is controlled by covalently binding metallic single-walled carbon nanotube (mCNT) electrodes to individual DNA duplexes to create mCNT-DNA-mCNT nanojunctions, where the gap is precisely matched to the DNA length. These junctions are then integrated with top-down lithographic techniques to create single-molecule circuits that have electronic properties dominated by the DNA in the junction, have reproducible conductance values with low dispersion, and are stable and robust enough to be utilized as active, high-specificity electronic biosensors for dynamic single-molecule detection of specific oligonucleotides, such as those related to the SARS-CoV-2 genome. This scalable approach for high-yield integration of nanometer-scale devices will enable opportunities for manufacturing of hybrid electronic systems for a wide range of applications.
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Affiliation(s)
- Bo Liu
- Biodesign Center for Bioelectronics and Biosensors at Arizona State University, Tempe, Arizona 85287, United States
| | - Busra Demir
- Bionanodesign Laboratory, Department of Biomedical Engineering, TOBB University of Economics and Technology, Ankara 06560, Turkey
- Department of Materials Science and Nanotechnology Engineering, TOBB University of Economics and Technology, Ankara 06560, Tureky
| | - Caglanaz Akin Gultakti
- Bionanodesign Laboratory, Department of Biomedical Engineering, TOBB University of Economics and Technology, Ankara 06560, Turkey
- Department of Materials Science and Nanotechnology Engineering, TOBB University of Economics and Technology, Ankara 06560, Tureky
| | - Jonathan Marrs
- Department of Electrical and Computer Engineering, University of California, Davis, Davis, California 95616, United States
| | - Yichen Gong
- Biodesign Center for Bioelectronics and Biosensors at Arizona State University, Tempe, Arizona 85287, United States
| | - Ruihao Li
- Biodesign Center for Bioelectronics and Biosensors at Arizona State University, Tempe, Arizona 85287, United States
| | - Ersin Emre Oren
- Bionanodesign Laboratory, Department of Biomedical Engineering, TOBB University of Economics and Technology, Ankara 06560, Turkey
- Department of Materials Science and Nanotechnology Engineering, TOBB University of Economics and Technology, Ankara 06560, Tureky
| | - Joshua Hihath
- Biodesign Center for Bioelectronics and Biosensors at Arizona State University, Tempe, Arizona 85287, United States
- Department of Electrical and Computer Engineering, University of California, Davis, Davis, California 95616, United States
- School of Electrical, Computer, and Energy Engineering, Arizona State University, Tempe, Arizona 85287, United States
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Kwon IS, Kwak IH, Kim JY, Lee SJ, Sial QA, Ihsan J, Lee KS, Yoo SJ, Park J, Kang HS. 2H-2M Phase Control of WSe 2 Nanosheets by Se Enrichment Toward Enhanced Electrocatalytic Hydrogen Evolution Reaction. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2307867. [PMID: 38009401 DOI: 10.1002/adma.202307867] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 11/23/2023] [Indexed: 11/28/2023]
Abstract
The phase control of transition metal dichalcogenides (TMDs) is an intriguing approach for tuning the electronic structure toward extensive applications. In this study, WSe2 nanosheets synthesized via a colloidal reaction exhibit a phase conversion from semiconducting 2H to metallic 2M under Se-rich growth conditions (i.e., increasing the concentration of Se precursor or lowering the growth temperature). High-resolution scanning transmission electron microscopy images are used to identify the stacking sequence of the 2M phase, which is distinctive from that of the 1T' phase. First-principles calculations employing various Se-rich models (intercalation and substitution) indicated that Se enrichment induces conversion to the 2M phase. The 2M phase WSe2 nanosheets with the Se excess exhibited enhanced electrocatalytic performance in the hydrogen evolution reaction (HER). In situ X-ray absorption fine structure studies suggested that the excess Se atoms in the 2M phase WSe2 enhanced the HER catalytic activity, which is supported by the Gibbs free energy (ΔGH* ) of H adsorption and the Fermi abundance function. These results provide an appealing strategy for phase control of TMD catalysts.
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Affiliation(s)
- Ik Seon Kwon
- Department of Advanced Materials Chemistry, Korea University, Sejong, 339-700, Republic of Korea
- Beamline Science Team, 4GSR Project Headquarters, Pohang Accelerator Laboratory, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - In Hye Kwak
- Department of Advanced Materials Chemistry, Korea University, Sejong, 339-700, Republic of Korea
- Pohang Accelerator Laboratory, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Ju Yeon Kim
- Department of Advanced Materials Chemistry, Korea University, Sejong, 339-700, Republic of Korea
| | - Seung Jae Lee
- Department of Advanced Materials Chemistry, Korea University, Sejong, 339-700, Republic of Korea
| | - Qadeer Akbar Sial
- Department of Advanced Materials Chemistry, Korea University, Sejong, 339-700, Republic of Korea
| | - Junaid Ihsan
- Department of Advanced Materials Chemistry, Korea University, Sejong, 339-700, Republic of Korea
| | - Kug-Seung Lee
- Pohang Accelerator Laboratory, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Seung Jo Yoo
- Division of Scientific Instrumentation & Management, Korea Basic Science Institute, Daejeon, 305-806, Republic of Korea
| | - Jeunghee Park
- Department of Advanced Materials Chemistry, Korea University, Sejong, 339-700, Republic of Korea
| | - Hong Seok Kang
- Department of Nano and Advanced Materials, Jeonju University, Chonju, Chonbuk, 55069, Republic of Korea
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Jiang M, Zhu Y, Li Q, Liu W, Dong A, Zhang L. 2D nanomaterial-based 3D network hydrogels for anti-infection therapy. J Mater Chem B 2024; 12:916-951. [PMID: 38224023 DOI: 10.1039/d3tb02244g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2024]
Abstract
Two-dimensional nanomaterials (2D NMs) refer to nanomaterials that possess a planar topography with a thickness of one or several atomic layers. Due to their large specific surface areas, atomic thickness, rough edges, and electron confinement in two dimensions, they have emerged as promising antimicrobial agents over antibiotics in combating bacterial infections. However, 2D NMs encounter issues such as low bio-safety, easy aggregation, and limited tissue penetration efficiency. To address these concerns, hydrogels with three-dimensional (3D) networks have been developed to encapsulate 2D NMs, aiming to enhance their biocompatibility, biodegradability, and ability to regulate and remodel the tissue microenvironment at the infected site. This review systematically summarizes the current studies on 2D NM-based antibacterial hydrogels with 3D network structures (named 2N3Hs). Firstly, we introduce the emerging types of 2N3Hs and describe their antibacterial actions. Subsequently, we discuss the applications of 2N3Hs in three biomedical fields, including wound dressing, cancer treatment, and bone regeneration. Finally, we conclude the review with current challenges and future developments for 2N3Hs, highlighting their potential as a promising choice for next-generation biomedical devices, particularly in the field of tissue engineering and regenerative medicine. This review aims to provide a comprehensive and panoramic overview of anti-infective 2N3Hs for various biomedical applications.
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Affiliation(s)
- Mingji Jiang
- Engineering Research Center of Dairy Quality and Safety Control Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, P. R. China.
| | - Yingnan Zhu
- School of Pharmaceutical Sciences, Institute of Drug Discovery and Development, Zhengzhou University, Zhengzhou, 450001, China
| | - Qingsi Li
- Tianjin University, Tianjin, P. R. China.
| | - Wenxin Liu
- College of Chemistry and Materials Science, Inner Mongolia Minzu University, Tongliao 028000, P. R. China.
| | - Alideertu Dong
- Engineering Research Center of Dairy Quality and Safety Control Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, P. R. China.
| | - Lei Zhang
- Tianjin University, Tianjin, P. R. China.
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43
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Song W, Dai J, Zou F, Niu Y, Cong Y, Li Q, Pan Y. Tunable ohmic van der Waals-type contacts in monolayer C 3N field-effect transistors. RSC Adv 2024; 14:3820-3833. [PMID: 38274169 PMCID: PMC10808999 DOI: 10.1039/d3ra08338a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 01/12/2024] [Indexed: 01/27/2024] Open
Abstract
Monolayer (ML) C3N, a novel two-dimensional flat crystalline material with a suitable bandgap and excellent carrier mobility, is a prospective channel material candidate for next-generation field-effect transistors (FETs). The contact properties of ML C3N-metal interfaces based on FETs have been comprehensively investigated with metal electrodes (graphene, Ti2C(OH/F)2, Zr2C(OH/F)2, Au, Ni, Pd, and Pt) by employing ab initio electronic structure calculations and quantum transport simulations. The contact properties of ML C3N are isotropic along the armchair and zigzag directions except for the case of Au. ML C3N establishes vertical van der Waals-type ohmic contacts with all the calculated metals except for Zr2CF2. The ML C3N-graphene, -Zr2CF2, -Ti2CF2, -Pt, -Pd, and -Ni interfaces form p-type lateral ohmic contacts, while the ML C3N-Ti2C(OH)2 and -Zr2C(OH)2 interfaces form n-type lateral ohmic contacts. The ohmic contact polarity can be regulated by changing the functional groups of the 2D MXene electrodes. These results provide theoretical insights into the characteristics of ML C3N-metal interfaces, which are important for choosing suitable electrodes and the design of ML C3N devices.
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Affiliation(s)
- Weiqi Song
- College of Physics, Center for Marine Observation and Communications, Qingdao University Qingdao China
| | - Jingrou Dai
- State Key Laboratory of Heavy Oil Processing, Institute of New Energy, College of Chemical Engineering, China University of Petroleum (East China) Qingdao 266580 China
| | - Feihu Zou
- College of Physics, Center for Marine Observation and Communications, Qingdao University Qingdao China
| | - Yize Niu
- College of Physics, Center for Marine Observation and Communications, Qingdao University Qingdao China
| | - Yao Cong
- State Key Laboratory of Heavy Oil Processing, Institute of New Energy, College of Chemical Engineering, China University of Petroleum (East China) Qingdao 266580 China
| | - Qiang Li
- College of Physics, Center for Marine Observation and Communications, Qingdao University Qingdao China
| | - Yuanyuan Pan
- College of Physics, Center for Marine Observation and Communications, Qingdao University Qingdao China
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Lin H, Yang Y, Diamond BG, Yan TH, Bakhmutov VI, Festus KW, Cai P, Xiao Z, Leng M, Afolabi I, Day GS, Fang L, Hendon CH, Zhou HC. Integrating Photoactive Ligands into Crystalline Ultrathin 2D Metal-Organic Framework Nanosheets for Efficient Photoinduced Energy Transfer. J Am Chem Soc 2024; 146:1491-1500. [PMID: 38170908 PMCID: PMC10863068 DOI: 10.1021/jacs.3c10917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 12/07/2023] [Accepted: 12/08/2023] [Indexed: 01/05/2024]
Abstract
3D metal-organic frameworks (MOFs) have gained attention as heterogeneous photocatalysts due to their porosity and unique host-guest interactions. Despite their potential, MOFs face challenges, such as inefficient mass transport and limited light penetration in photoinduced energy transfer processes. Recent advancements in organic photocatalysis have uncovered a variety of photoactive cores, while their heterogenization remains an underexplored area with great potential to build MOFs. This gap is bridged by incorporating photoactive cores into 2D MOF nanosheets, a process that merges the realms of small-molecule photochemistry and MOF chemistry. This approach results in recyclable heterogeneous photocatalysts that exhibit an improved mass transfer efficiency. This research demonstrates a bottom-up synthetic method for embedding photoactive cores into 2D MOF nanosheets, successfully producing variants such as PCN-641-NS, PCN-643-NS, and PCN-644-NS. The synthetic conditions were systematically studied to optimize the crystallinity and morphology of these 2D MOF nanosheets. Enhanced host-guest interactions in these 2D structures were confirmed through various techniques, particularly solid-state NMR studies. Additionally, the efficiency of photoinduced energy transfer in these nanosheets was evidenced through photoborylation reactions and the generation of reactive oxygen species (ROS).
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Affiliation(s)
- Hengyu Lin
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Yihao Yang
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Brian G. Diamond
- Department
of Chemistry, University of Oregon, Eugene, Oregon 97403, United States
| | - Tian-Hao Yan
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Vladimir I. Bakhmutov
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Kelechi W. Festus
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Peiyu Cai
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Zhifeng Xiao
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Mingwan Leng
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Ibukun Afolabi
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Gregory S. Day
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Lei Fang
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | | | - Hong-Cai Zhou
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843, United States
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45
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Nie J, Li Y, Gao D, Fang Y, Lin J, Tang C, Guo Z. Carbon doped hexagonal boron nitride as an efficient metal-free catalyst for NO capture and reduction. Phys Chem Chem Phys 2024; 26:2539-2547. [PMID: 38170810 DOI: 10.1039/d3cp04718k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
The electrochemical NO reduction reaction (NORR) towards NH3 is considered a promising strategy to cope with both NO removal and NH3 production. Currently, the research on NORR electrocatalysts mainly focuses on metal-based catalysts, while metal-free catalysts are quite scarce. In this work, we have systematically investigated the properties of pristine and C/O doped h-BN for efficient NO capture and reduction. Our results reveal that the basal plane of pristine h-BN is inert to the adsorption of NO, while doping C or O can significantly enhance the NO capture abilities of h-BN. Then, we highlight that C-doped h-BN exhibits excellent NORR catalytic performance with a relatively low limiting potential of -0.28 V. Further analysis shows that the suitable adsorption strength of NO on the C-doped h-BN surface is the prime reason for its excellent NO reduction activity, which is shown to be due to appropriate electronic interactions between the active site and NO. Last but not least, the catalytic selectivity of h-BN towards the NORR is confirmed by inhibiting the competing hydrogen evolution reaction. Our findings not only provide deeper insight into the essential effect of element doping on the catalytic activities of h-BN, but also propose general design principles for high-performance metal-free NORR electrocatalysts.
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Affiliation(s)
- Jiali Nie
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China.
| | - Ying Li
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China.
| | - Dongyue Gao
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China.
| | - Yi Fang
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China.
| | - Jing Lin
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China.
| | - Chengchun Tang
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China.
| | - Zhonglu Guo
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China.
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46
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Sobhani Bazghale F, Gilak MR, Zamani Pedram M, Torabi F, Naikoo GA. 2D nanocomposite materials for HER electrocatalysts - a review. Heliyon 2024; 10:e23450. [PMID: 38192770 PMCID: PMC10772112 DOI: 10.1016/j.heliyon.2023.e23450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 11/30/2023] [Accepted: 12/04/2023] [Indexed: 01/10/2024] Open
Abstract
Hydrogen energy has the potential to be a cost-effective and strong technology for brighter development. Hydrogen fuel production by water electrolyzers has attracted attention. 2D nanocomposites with distinctive properties have been extensively explored for various applications from hydrogen evolution reactions to improving the efficiency of water electrolyzer, which is the most eco-friendly, and high-performance for hydrogen production. Recently, typical 2D nanocomposites such as Metal-Free 2D, TMDs, Mxene, LDH, organic composites, and Heterostructure have recently been thoroughly researched for use in the HER. We discuss effective ways for increasing the HER efficiency of 2D catalysts in this paper, And the unique advantages and mechanisms for specific applications are highlighted. Several essential regulating strategies for developing 2D nanocomposite-based HER electrocatalysts are included such as interface engineering, defect engineering, heteroatom doping, strain & phase engineering, and hybridizing which improve HER kinetics, the electrical conductivity, accessibility to catalytic active sites, and reaction energy barrier can be optimized. Finally, the future prospects for 2D nanocomposites in HER are discussed, as well as a thorough overview of a variety of methodologies for designing 2D nanocomposites as HER electrocatalysts with excellent catalytic performance. We expect that this review will provide a thorough overview of 2D nanocatalysts for hydrogen production.
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Affiliation(s)
| | - Mohammad Reza Gilak
- Mechanical Engineering Faculty, K. N. Toosi University of Technology, Tehran, Iran
| | - Mona Zamani Pedram
- Mechanical Engineering Faculty, K. N. Toosi University of Technology, Tehran, Iran
| | - Farschad Torabi
- Mechanical Engineering Faculty, K. N. Toosi University of Technology, Tehran, Iran
| | - Gowhar A. Naikoo
- Department of Mathematics & Sciences, College of Arts & Applied Sciences, Dhofar University, Salalah, PC 211, Oman
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47
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Mamori H, Al Shami A, Attou L, El Kenz A, Benyoussef A, Taleb A, El Fatimy A, Mounkachi O. Layer engineering in optoelectronic and photonic properties of single and few layer phosphorene using first-principles calculations. RSC Adv 2024; 14:608-615. [PMID: 38173582 PMCID: PMC10759304 DOI: 10.1039/d3ra06628b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 12/14/2023] [Indexed: 01/05/2024] Open
Abstract
Developing devices for optoelectronic and photonic applications-based nanomaterials has been one of the most critical challenges in the last decade. In this work, we use first-principles density functional theory combined with non-equilibrium Green's function to highlight for the first time the sensitivity of optoelectronic and photonic properties toward the exfoliation process. All the studied structures were relaxed and their relevant phonon modes confirm the high structural stability. The obtained phosphorene layers remained semiconducting with a direct band gap like the respective bulk structure with 10 layers. We also examined the effects of the thickness on the electron-hole interaction by calculating absorption energy combined with electron relaxation lifetimes. Additionally, we explore the optoelectronic properties, which can also be influenced by the exfoliation. Finally, we found that the current-voltage (I-V) characteristic shows higher sensitivity toward the bulk structure than the other 2D forms of phosphorene structures, meaning that the Schottky barrier at the interface of the bulk phosphorene is much lower than mono, and few layer phosphorene.
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Affiliation(s)
- Habiba Mamori
- Laboratory of Condensed Matter and Sciences Interdisciplinary (LaMCScI), Faculty of Science, Mohammed V University in Rabat BP 1014 RP Rabat Morocco
| | - Ahmed Al Shami
- Laboratory of Condensed Matter and Sciences Interdisciplinary (LaMCScI), Faculty of Science, Mohammed V University in Rabat BP 1014 RP Rabat Morocco
| | - Loubaba Attou
- Laboratory of Condensed Matter and Sciences Interdisciplinary (LaMCScI), Faculty of Science, Mohammed V University in Rabat BP 1014 RP Rabat Morocco
- AMEEC Team, LERMA, College of Engineering and Architecture, International University of Rabat Parc Technopolis Rocade de Rabat-Salé 11100 Morocco
| | - Abdallah El Kenz
- Laboratory of Condensed Matter and Sciences Interdisciplinary (LaMCScI), Faculty of Science, Mohammed V University in Rabat BP 1014 RP Rabat Morocco
| | - Abdelilah Benyoussef
- Laboratory of Condensed Matter and Sciences Interdisciplinary (LaMCScI), Faculty of Science, Mohammed V University in Rabat BP 1014 RP Rabat Morocco
- Hassan II Academy of Sciences and Techniques Rabat Morocco
| | - Abdelhafed Taleb
- PSL Research University, Chimie ParisTech - CNRS, Institut de Recherche de Chimie Paris 75005 Paris France
- Sorbonne University 4 Place Jussieu 75231 - Paris France
| | - A El Fatimy
- Institute of Applied Physics, Mohammed VI Polytechnic University Lot 660, Hay Moulay Rachid, Ben Guerir 43150 Morocco
| | - Omar Mounkachi
- Laboratory of Condensed Matter and Sciences Interdisciplinary (LaMCScI), Faculty of Science, Mohammed V University in Rabat BP 1014 RP Rabat Morocco
- College of Computing, Mohammed VI Polytechnic University Lot 660, Hay Moulay Rachid Ben Guerir 43150 Morocco
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48
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Zou Y, Jin H, Zhu R, Zhang T. Metasurface Holography with Multiplexing and Reconfigurability. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 14:66. [PMID: 38202521 PMCID: PMC10780441 DOI: 10.3390/nano14010066] [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] [Revised: 12/22/2023] [Accepted: 12/23/2023] [Indexed: 01/12/2024]
Abstract
Metasurface holography offers significant advantages, including a broad field of view, minimal noise, and high imaging quality, making it valuable across various optical domains such as 3D displays, VR, and color displays. However, most passive pure-structured metasurface holographic devices face a limitation: once fabricated, as their functionality remains fixed. In recent developments, the introduction of multiplexed and reconfigurable metasurfaces breaks this limitation. Here, the comprehensive progress in holography from single metasurfaces to multiplexed and reconfigurable metasurfaces is reviewed. First, single metasurface holography is briefly introduced. Second, the latest progress in angular momentum multiplexed metasurface holography, including basic characteristics, design strategies, and diverse applications, is discussed. Next, a detailed overview of wavelength-sensitive, angle-sensitive, and polarization-controlled holograms is considered. The recent progress in reconfigurable metasurface holography based on lumped elements is highlighted. Its instant on-site programmability combined with machine learning provides the possibility of realizing movie-like dynamic holographic displays. Finally, we briefly summarize this rapidly growing area of research, proposing future directions and potential applications.
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Affiliation(s)
- Yijun Zou
- Interdisciplinary Center for Quantum Information, State Key Laboratory of Modern Optical Instrumentation, ZJU-Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University, Hangzhou 310027, China; (Y.Z.); (H.J.); (R.Z.)
| | - Hui Jin
- Interdisciplinary Center for Quantum Information, State Key Laboratory of Modern Optical Instrumentation, ZJU-Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University, Hangzhou 310027, China; (Y.Z.); (H.J.); (R.Z.)
| | - Rongrong Zhu
- Interdisciplinary Center for Quantum Information, State Key Laboratory of Modern Optical Instrumentation, ZJU-Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University, Hangzhou 310027, China; (Y.Z.); (H.J.); (R.Z.)
- School of Information and Electrical Engineering, Zhejiang University City College, Hangzhou 310015, China
| | - Ting Zhang
- College of Information Science & Electronic Engineering, Zhejiang Provincial Key Laboratory of Information Processing, Communication and Networking (IPCN), Zhejiang University, Hangzhou 310027, China
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49
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Wang Y, Guo S, Xu X, Pan J, Hu J, Zhang S. Adsorption and sensing performance of air pollutants on a β-TeO 2 monolayer: a first-principles study. Phys Chem Chem Phys 2023; 26:612-620. [PMID: 38086641 DOI: 10.1039/d3cp04400a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2023]
Abstract
Two-dimensional (2D) β-TeO2 is a novel semiconductor with potential applications in electronic circuits due to its air-stability and ultra-high carrier mobility. In this study, we explore the possibility of using a 2D β-TeO2 monolayer for the detection of gaseous pollutants including SO2, NO2, H2S, CO2, CO, and NH3 gas molecules based on first-principles calculations. The adsorption properties including the adsorption energy, adsorption distance and charge transfer indicate that the interaction between 2D β-TeO2 and the six gases is via a physisorption mechanism. Among the six gas adsorption systems, the SO2 adsorption system has the most negative adsorption energy and the largest charge transfer. In addition, the adsorption of SO2 obviously changes the electrical conductivity of the β-TeO2 monolayer because the band gap decreases from 2.727 eV to 1.897 eV after adsorbing SO2. Our results suggest that the 2D β-TeO2 should be an eminently promising SO2 sensing material.
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Affiliation(s)
- Ying Wang
- College of Physics Science and Technology, Yangzhou University, Yangzhou, 225009, Jiangsu, China.
| | - Shiying Guo
- College of Physics Science and Technology, Yangzhou University, Yangzhou, 225009, Jiangsu, China.
| | - Xiaoyong Xu
- College of Physics Science and Technology, Yangzhou University, Yangzhou, 225009, Jiangsu, China.
| | - Jing Pan
- College of Physics Science and Technology, Yangzhou University, Yangzhou, 225009, Jiangsu, China.
| | - Jingguo Hu
- College of Physics Science and Technology, Yangzhou University, Yangzhou, 225009, Jiangsu, China.
| | - Shengli Zhang
- MIIT Key Laboratory of Advanced Display Materials and Devices, Ministry of Industry and Information Technology, Institute of Optoelectronics & Nanomaterials, Nanjing University of Science and Technology, Nanjing, 210094, Jiangsu, China.
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50
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Chen H, Hung CT, Zhang W, Xu L, Zhang P, Li W, Zhao Z, Zhao D. Asymmetric Monolayer Mesoporous Nanosheets of Regularly Arranged Semi-Opened Pores via a Dual-Emulsion-Directed Micelle Assembly. J Am Chem Soc 2023; 145:27708-27717. [PMID: 38054893 DOI: 10.1021/jacs.3c09927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
Constructing asymmetric two-dimensional (2D) mesoporous nanomaterials with new pore structure, tunable monolayer architectures, and especially anisotropic surfaces remains a great challenge in materials science. Here, we report a dual-emulsion directed micelle assembly approach to fabricate a novel type of asymmetric monolayer mesoporous organosilica nanosheet for the first time. In this asymmetric 2D structure, numerous quasi-spherical semiopened mesopores (∼20 nm in diameter, 24 nm in opening size) were regularly arranged on a plane, endowing the porous nanosheets (several micrometers in size) with a typical surface anisotropy on two sides. Meanwhile, lots of triangular intervoids (4.0-5.0 nm in size) can also be found among each three semiopened mesopores, enabling the nanosheet to be interconnected. Vitally, such interconnected, anisotropic porous nanosheets exhibit ultrahigh accessible surface area (∼714 m2 g-1) and good lipophilicity properties owing to the abundant semiopened mesopores. Additionally, besides the nanosheet, the configuration of the asymmetric porous structure can also be transformed into a microcapsule when controlling the emulsification size via a facile ultrasonic treatment. As a demonstration, we show that the asymmetric microcapsule shows a high demulsification efficiency (>98%) and cyclic stability (>6 recycle times). Our protocol opens up a new avenue for developing next-generation asymmetric mesoporous materials for various applications.
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Affiliation(s)
- Hanxing Chen
- Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, College of Chemistry and Materials, Fudan University, Shanghai 200433, China
| | - Chin-Te Hung
- Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, College of Chemistry and Materials, Fudan University, Shanghai 200433, China
| | - Wei Zhang
- Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, College of Chemistry and Materials, Fudan University, Shanghai 200433, China
| | - Li Xu
- Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, College of Chemistry and Materials, Fudan University, Shanghai 200433, China
| | - Pengfei Zhang
- Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, College of Chemistry and Materials, Fudan University, Shanghai 200433, China
| | - Wei Li
- Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, College of Chemistry and Materials, Fudan University, Shanghai 200433, China
| | - Zaiwang Zhao
- College of Energy Materials and Chemistry, College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010070, P. R. China
| | - Dongyuan Zhao
- Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, College of Chemistry and Materials, Fudan University, Shanghai 200433, China
- College of Energy Materials and Chemistry, College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010070, P. R. China
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