1
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Wang B, Bai T, Wang W, Zhang H. Mechanical Properties of Silicon Nitride in Different Morphologies: In Situ Experimental Analysis of Bulk and Whisker Structures. MATERIALS (BASEL, SWITZERLAND) 2024; 17:4549. [PMID: 39336290 PMCID: PMC11433254 DOI: 10.3390/ma17184549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2024] [Revised: 09/06/2024] [Accepted: 09/12/2024] [Indexed: 09/30/2024]
Abstract
Silicon nitride (Si3N4) is widely used in structural ceramics and advanced manufacturing due to its excellent mechanical properties and high-temperature stability. These applications always involve deformation under mechanical loads, necessitating a thorough understanding of their mechanical behavior and performance under load. However, the mechanical properties of Si3N4, particularly at the micro- and nanoscale, are not well understood. This study systematically investigated the mechanical properties of bulk Si3N4 and Si3N4 whiskers using in situ SEM indentation and uniaxial tensile strategies. First, nanoindentation tests on bulk Si3N4 at different contact depths ranging from 125 to 450 nm showed significant indentation size effect on modulus and hardness, presumably attributed to the strain gradient plasticity theory. Subsequently, in situ uniaxial tensile tests were performed on Si3N4 whiskers synthesized with two different sintering aids, MgSiN2 and Y2O3. The results indicated that whiskers sintered with Y2O3 exhibited higher modulus and strength compared to those sintered with MgSiN2. This work provides a deeper understanding of the mechanical behavior of Si3N4 at the micro- and nanoscale and offers guidance for the design of high-performance Si3N4 ceramic whiskers.
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Affiliation(s)
- Bokang Wang
- Shanghai Key Laboratory of High-Resolution Electron Microscopy, School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Tanglong Bai
- Shanghai Key Laboratory of High-Resolution Electron Microscopy, School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Weide Wang
- Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, China
| | - Hongti Zhang
- Shanghai Key Laboratory of High-Resolution Electron Microscopy, School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
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2
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Zhang J, Wang B, Ke J, Ying P. Plasticity of Metal-Organic Framework Crystals: Thermally Activated Collapse of Nanopores. J Phys Chem Lett 2024; 15:9051-9057. [PMID: 39194171 DOI: 10.1021/acs.jpclett.4c01815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/29/2024]
Abstract
Unrecoverable deformation or plasticity can be generated in crystalline metal-organic frameworks (MOFs) by compressive loading with different rates in various applications. Herein, plastic behaviors of MOF HKUST-1 crystals are investigated by a series of in situ strain-rate-dependent compression tests. The yield strength is found to significantly increase with increasing strain rate, following a logarithmic dependence. Our reactive molecular dynamics simulations illustrate that the yielding of crystalline HKUST-1 is induced by the irreversible collapse of its nanopores, which can be accelerated by thermal activation at finite temperatures. Based on this mechanism together with the reaction rate theory, we derive an analytical expression relating the yield strength of MOFs and strain rate, which fits experimental findings well. Overall, this work can expand our current understanding of MOF plasticity, which is of importance for the mechanical shaping and various applications of MOF crystals.
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Affiliation(s)
- Jin Zhang
- School of Science, Harbin Institute of Technology, Shenzhen 518055, PR China
| | - Bing Wang
- School of Science, Harbin Institute of Technology, Shenzhen 518055, PR China
| | - Jin Ke
- School of Science, Harbin Institute of Technology, Shenzhen 518055, PR China
| | - Penghua Ying
- Department of Physical Chemistry, School of Chemistry, Tel Aviv University, Tel Aviv 6997801, Israel
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3
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Gao Z, Zhang X, Wu Y, Pham MS, Lu Y, Xia C, Wang H, Wang H. Damage-programmable design of metamaterials achieving crack-resisting mechanisms seen in nature. Nat Commun 2024; 15:7373. [PMID: 39191786 PMCID: PMC11349770 DOI: 10.1038/s41467-024-51757-0] [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: 12/11/2023] [Accepted: 08/14/2024] [Indexed: 08/29/2024] Open
Abstract
The fracture behaviour of artificial metamaterials often leads to catastrophic failures with limited resistance to crack propagation. In contrast, natural materials such as bones and ceramics possess microstructures that give rise to spatially controllable crack path and toughened material resistance to crack advances. This study presents an approach that is inspired by nature's strengthening mechanisms to develop a systematic design method enabling damage-programmable metamaterials with engineerable microfibers in the cells that can spatially program the micro-scale crack behaviour. Machine learning is applied to provide an effective design engine that accelerate the generation of damage-programmable cells that offer advanced toughening functionality such as crack bowing, crack deflection, and shielding seen in natural materials; and are optimised for a given programming of crack path. This paper shows that such toughening features effectively enable crack-resisting mechanisms on the basis of the crack tip interactions, crack shielding, crack bridging and synergistic combinations of these mechanisms, increasing up to 1,235% absorbed fracture energy in comparison to conventional metamaterials. The proposed approach can have broad implications in the design of damage-tolerant materials, and lightweight engineering systems where significant fracture resistances or highly programmable damages for high performances are sought after.
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Affiliation(s)
- Zhenyang Gao
- State Key Labortory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, 200240, China
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Xiaolin Zhang
- State Key Labortory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, 200240, China
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Yi Wu
- State Key Labortory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, 200240, China.
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China.
- Institute of Alumics Materials, Shanghai Jiao Tong University (Anhui), Huaibei, 235000, China.
- Anhui Province Industrial Generic Technology Research Center for Alumics Materials, Huaibei Normal University, Huaibei, Anhui, 235000, China.
| | - Minh-Son Pham
- Department of Materials, Imperial College London, London, SW7 2AZ, UK
| | - Yang Lu
- Department of Mechanical Engineering, University of Hong Kong, Hongkong, 999077, China
| | - Cunjuan Xia
- State Key Labortory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, 200240, China
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
- Institute of Alumics Materials, Shanghai Jiao Tong University (Anhui), Huaibei, 235000, China
- Anhui Province Industrial Generic Technology Research Center for Alumics Materials, Huaibei Normal University, Huaibei, Anhui, 235000, China
| | - Haowei Wang
- State Key Labortory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, 200240, China
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
- Institute of Alumics Materials, Shanghai Jiao Tong University (Anhui), Huaibei, 235000, China
| | - Hongze Wang
- State Key Labortory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, 200240, China.
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China.
- Institute of Alumics Materials, Shanghai Jiao Tong University (Anhui), Huaibei, 235000, China.
- Anhui Province Industrial Generic Technology Research Center for Alumics Materials, Huaibei Normal University, Huaibei, Anhui, 235000, China.
- Shanghai Key Laboratory of Material Laser Processing and Modification, Shanghai, 200240, China.
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4
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Liu Y, Wang S, Chen W, Kong W, Wang S, Liu H, Ding L, Ding LX, Wang H. 5.1 µm Ion-Regulated Rigid Quasi-Solid Electrolyte Constructed by Bridging Fast Li-Ion Transfer Channels for Lithium Metal Batteries. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2401837. [PMID: 38682617 DOI: 10.1002/adma.202401837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Revised: 04/24/2024] [Indexed: 05/01/2024]
Abstract
An ultra-thin quasi-solid electrolyte (QSE) with dendrite-inhibiting properties is a requirement for achieving high energy density quasi-solid lithium metal batteries (LMBs). Here, a 5.1 µm rigid QSE layer is directly designed on the cathode, in which Kevlar (poly(p-phenylene terephthalate)) nanofibers (KANFs) with negatively charged groups bridging metal-organic framework (MOF) particles are served as a rigid skeleton, and non-flammable deep eutectic solvent is selected to be encapsulated into the MOF channels, combined with in situ polymerization to complete safe electrolyte system with high rigidness and stability. The QSE with constructed topological network demonstrates high rigidity (5.4 GPa), high ionic conductivity (0.73 mS cm-1 at room temperature), good ion-regulated properties, and improved structural stability, contributing to homogenized Li-ion flux, excellent dendrite suppression, and prolonged cyclic performance for LMB. Additionally, ion regulation influences the Li deposition behavior, exhibiting a uniform morphology on the Li-metal surface after cycling. According to density-functional theory, KANFs bridging MOFs as hosts play a vital function in the free-state and fast diffusion dynamics of Li-ions. This work provides an effective strategy for constructing ultrathin robust electrolytes with a novel ionic conduction mode.
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Affiliation(s)
- Yangxi Liu
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Suqing Wang
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Weicheng Chen
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Wenhan Kong
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Shupei Wang
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Haixing Liu
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Li Ding
- Beijing Key Laboratory of Membrane Materials and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, P. R. China
| | - Liang-Xin Ding
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Haihui Wang
- Beijing Key Laboratory of Membrane Materials and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, P. R. China
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5
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Duan X, Feng L, Wu D, Kong Z, Shi D, Zhang L, He J. Tuning the mechanical properties of sol-gel monolithic metal-organic frameworks by ligand engineering. J Colloid Interface Sci 2024; 654:1312-1319. [PMID: 37913720 DOI: 10.1016/j.jcis.2023.10.150] [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: 08/25/2023] [Revised: 10/13/2023] [Accepted: 10/27/2023] [Indexed: 11/03/2023]
Abstract
The sol-gel monolithic MOFs has come to prominent attention for industrial application owing to the higher powder packing density, enhanced processabilities and mechanical stabilities compared to the powder counterpart. The mechanical properties are particularly important during machine shaping processing because of porous framework structure. We used ligand engineering to design and synthesize monoUiO-66-type materials modified different chemical functional groups (-NH2, -2OH, -2COOH) by sol-gel method, with the aim to assess the impact of different functional groups on the mechanical properties of these monolithic materials based on nanoindentation technology. We observe larger mass and sterically bulky functional groups (-2COOH) can significantly decrease the BET areas and pore volume of monoUiO-66 through N2 adsorption isotherms at 77 K. Hence, the two -COOH groups modified monoUiO-66 tends to exhibit the higher H of 0.589 ± 0.018 GPa and E of 15.471 ± 0.250 GPa compared with monoUiO-66 modified with -NH2 (0.334 ± 0.009 GPa/11.959 ± 0.243 GPa) and -2OH (0.331 ± 0.008 GPa/10.251 ± 0.142 GPa) groups. The creep indentation tests and the jump indentation tests further demonstrate the modification by larger functional groups -COOH on monoUiO-66 could resist irreversible plastic deformation. Furthermore, the monoUiO-66-(COOH)2 has significantly smaller the activation volume of 0.34 ∼ 0.43 nm3, highlighting the introduction of -COOH groups reduced the pore volume and restrict the number of pores involved in one collapse event. Our results demonstrate the larger mass and sterically bulky functional groups have significant influence on the mechanical properties of the monoMOFs materials.
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Affiliation(s)
- Xing Duan
- Center of Advanced Optoelectronic Materials and Devices, Key Laboratory of Novel Materials for Sensor of Zhejiang Province, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, Zhejiang 310018, China; Key Laboratory of Materials for High Power Lasers, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Lihui Feng
- Center of Advanced Optoelectronic Materials and Devices, Key Laboratory of Novel Materials for Sensor of Zhejiang Province, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, Zhejiang 310018, China; Key Laboratory of Materials for High Power Lasers, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Dong Wu
- School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, Hubei 430070, China.
| | - Zhe Kong
- Center of Advanced Optoelectronic Materials and Devices, Key Laboratory of Novel Materials for Sensor of Zhejiang Province, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, Zhejiang 310018, China
| | - Da Shi
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK.
| | - Long Zhang
- Key Laboratory of Materials for High Power Lasers, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Jin He
- Key Laboratory of Materials for High Power Lasers, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China.
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6
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Jin E, Lee IS, Yang DC, Moon D, Nam J, Cho H, Kang E, Lee J, Noh HJ, Min SK, Choe W. Origamic metal-organic framework toward mechanical metamaterial. Nat Commun 2023; 14:7938. [PMID: 38040755 PMCID: PMC10692132 DOI: 10.1038/s41467-023-43647-8] [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: 02/02/2023] [Accepted: 11/15/2023] [Indexed: 12/03/2023] Open
Abstract
Origami, known as paper folding has become a fascinating research topic recently. Origami-inspired materials often establish mechanical properties that are difficult to achieve in conventional materials. However, the materials based on origami tessellation at the molecular level have been significantly underexplored. Herein, we report a two-dimensional (2D) porphyrinic metal-organic framework (MOF), self-assembled from Zn nodes and flexible porphyrin linkers, displaying folding motions based on origami tessellation. A combined experimental and theoretical investigation demonstrated the origami mechanism of the 2D porphyrinic MOF, whereby the flexible linker acts as a pivoting point. The discovery of the 2D tessellation hidden in the 2D MOF unveils origami mechanics at the molecular level.
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Affiliation(s)
- Eunji Jin
- Department of Chemistry, Ulsan National Institute of Science and Technology, 50 UNIST, Ulsan, 44919, Republic of Korea
| | - In Seong Lee
- Department of Chemistry, Ulsan National Institute of Science and Technology, 50 UNIST, Ulsan, 44919, Republic of Korea
| | - D ChangMo Yang
- Department of Chemistry, Ulsan National Institute of Science and Technology, 50 UNIST, Ulsan, 44919, Republic of Korea
| | - Dohyun Moon
- Beamline Department, Pohang Accelerator Laboratory, Pohang, Republic of Korea
| | - Joohan Nam
- Department of Chemistry, Ulsan National Institute of Science and Technology, 50 UNIST, Ulsan, 44919, Republic of Korea
| | - Hyeonsoo Cho
- Department of Chemistry, Ulsan National Institute of Science and Technology, 50 UNIST, Ulsan, 44919, Republic of Korea
| | - Eunyoung Kang
- Department of Chemistry, Ulsan National Institute of Science and Technology, 50 UNIST, Ulsan, 44919, Republic of Korea
| | - Junghye Lee
- Department of Chemistry, Ulsan National Institute of Science and Technology, 50 UNIST, Ulsan, 44919, Republic of Korea
| | - Hyuk-Jun Noh
- Department of Chemistry, Ulsan National Institute of Science and Technology, 50 UNIST, Ulsan, 44919, Republic of Korea
| | - Seung Kyu Min
- Department of Chemistry, Ulsan National Institute of Science and Technology, 50 UNIST, Ulsan, 44919, Republic of Korea.
- Center for Multidimensional Carbon Materials (CMCM), Institute for Basic Science (IBS), Ulsan, 44919, Republic of Korea.
| | - Wonyoung Choe
- Department of Chemistry, Ulsan National Institute of Science and Technology, 50 UNIST, Ulsan, 44919, Republic of Korea.
- Graduate School of Carbon Neutrality, Ulsan National Institute of Science and Technology, Ulsan, 44919, Republic of Korea.
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7
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Zhang J, Ke J, Wang B, Chen X. Plastic Avalanches in Metal-Organic Framework Crystals Due to the Dynamic Phase Mixing. ACS APPLIED MATERIALS & INTERFACES 2023; 15:54692-54701. [PMID: 37972999 DOI: 10.1021/acsami.3c13480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
The compressive properties of metal-organic framework (MOF) crystals are not only crucial for their densification process but also key in determining their performance in many applications. We herein investigated the mechanical responses of a classic crystalline MOF, HKUST-1, using in situ compression tests. A serrated flow accompanied by the unique strain avalanches was found in individual and contacting crystals before their final flattening or fracture with splitting cracks. The plastic flow with serrations is ascribed to the dynamic phase mixing due to the progressive and irreversible local phase transition in HKUST-1 crystals, as revealed by molecular dynamics and finite element simulations. Such pressure-induced phase coexistence in HKUST-1 crystals also induces a significant loading-history dependence of their Young's modulus. The observation of plastic avalanches in HKUST-1 crystals here not only expands our current understanding of the plasticity of MOF crystals but also unveils a novel mechanism for the avalanches and plastic flow in crystal plasticity.
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Affiliation(s)
- Jin Zhang
- School of Science, Harbin Institute of Technology, Shenzhen 518055, People's Republic of China
| | - Jin Ke
- School of Science, Harbin Institute of Technology, Shenzhen 518055, People's Republic of China
| | - Bing Wang
- School of Science, Harbin Institute of Technology, Shenzhen 518055, People's Republic of China
| | - Ximing Chen
- School of Science, Harbin Institute of Technology, Shenzhen 518055, People's Republic of China
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8
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Yan Y, Wang C, Cai Z, Wang X, Xuan F. Tuning Electrical and Mechanical Properties of Metal-Organic Frameworks by Metal Substitution. ACS APPLIED MATERIALS & INTERFACES 2023; 15:42845-42853. [PMID: 37644617 DOI: 10.1021/acsami.3c08470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Metal-organic frameworks (MOFs), synthesized by the self-assembly of organic ligands and metal centers, are structurally designable materials. In the current study, first-principles calculation based on density functional theory (DFT) was performed to investigate the intrinsic mechanical and electrical properties and mechanical-electrical coupling behavior of MOF-5. To improve the conductivity of MOF-5, homologous elements of Cu, Ag, and Au were adopted to replace the Zn atom in MOF-5, reducing the band gap and improving its electrical performance. Cu-MOF-5 and Au-MOF-5, with stable structures, exhibit better conductivity. The intrinsic mechanical properties such as independent elastic constants of MOF-5 and M-MOF-5 (M = Cu, Ag, Au) were obtained. MOF-5 and Cu-MOF-5 were experimentally synthesized to demonstrate the reduction in the band gap after metal substitution. The study of the strain effect of MOF-5 and Cu-MOF-5 proves that strain engineering is an effective method to regulate the band gap and this modulation is repeatable. This study clarifies the tunability of the band gap of MOF-5 with metal substituents and provides an efficient strategy for the development of new types of MOFs with desired physical properties using the combination of theoretical prediction and experimental synthesis and validation.
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Affiliation(s)
- Yabin Yan
- Shanghai Key Laboratory for Intelligent Sensing and Detection Technology, East China University of Science and Technology, Shanghai 200237, China
- Key Laboratory of Pressure Systems and Safety Ministry of Education, School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Chunyu Wang
- Shanghai Key Laboratory for Intelligent Sensing and Detection Technology, East China University of Science and Technology, Shanghai 200237, China
- Key Laboratory of Pressure Systems and Safety Ministry of Education, School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Zhengqing Cai
- National Engineering Research Center of Industrial Wastewater Detoxication and Resource Recovery, East China University of Science and Technology, Shanghai 200237, China
| | - Xiaoyuan Wang
- Shanghai Key Laboratory for Intelligent Sensing and Detection Technology, East China University of Science and Technology, Shanghai 200237, China
- Key Laboratory of Pressure Systems and Safety Ministry of Education, School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Fuzhen Xuan
- Shanghai Key Laboratory for Intelligent Sensing and Detection Technology, East China University of Science and Technology, Shanghai 200237, China
- Key Laboratory of Pressure Systems and Safety Ministry of Education, School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai 200237, China
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9
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Cheng J, Ran S, Li T, Yan M, Wu J, Boles S, Liu B, Raza H, Ullah S, Zhang W, Chen G, Zheng G. Achieving Superior Tensile Performance in Individual Metal-Organic Framework Crystals. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2210829. [PMID: 37257887 DOI: 10.1002/adma.202210829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 05/26/2023] [Indexed: 06/02/2023]
Abstract
Rapid advances in the engineering application prospects of metal-organic framework (MOF) materials necessitate an urgent in-depth understanding of their mechanical properties. This work demonstrates unprecedented recoverable elastic deformation of Ni-tetraphenylporphyrins (Ni-TCPP) MOF nanobelts with a tensile strain as high as 14%, and a projected yield strength-to-Young's modulus ratio exceeding the theoretical limit (≈10%) for crystalline materials. Based on first-principles simulations, the observed behavior of MOF crystal can be attributed to the mechanical deformation induced conformation transition and the formation of helical configuration of dislocations under high stresses, arising from their organic ligand building blocks in the crystal structures. The investigations of the mechanical properties along with electromechanical properties demonstrate that MOF materials have exciting application potential for biomechanics integrated systems, flexible electronics, and nanoelectromechanical devices.
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Affiliation(s)
- Junye Cheng
- Department of Materials Science, Shenzhen MSU-BIT University, Shenzhen, Guangdong Province, 517182, P. R. China
| | - Sijia Ran
- Department of Electrical Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, 999077, China
| | - Tian Li
- Department of Mechanical Engineering, Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, 999077, China
| | - Ming Yan
- Department of Materials Science and Engineering, and Shenzhen Key Laboratory for Additive Manufacturing of High-performance Materials, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Jing Wu
- Cryo-EM Center, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Steven Boles
- Department of Electrical Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, 999077, China
| | - Bin Liu
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, 999077, China
| | - Hassan Raza
- Department of Mechanical Engineering, Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, 999077, China
| | - Sana Ullah
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, 999077, China
| | - Wenjun Zhang
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, 999077, China
| | - Guohua Chen
- Department of Mechanical Engineering, Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, 999077, China
| | - Guangping Zheng
- Department of Mechanical Engineering, Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, 999077, China
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10
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Tang P, So PB, Lin Z, Hsieh C, Lai L, Lin C. Structural identification of multidimensional metal–organic frameworks using soft x‐ray tomography. J CHIN CHEM SOC-TAIP 2023. [DOI: 10.1002/jccs.202300059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
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11
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Zhang Q, Yang H, Zhou T, Chen X, Li W, Pang H. Metal-Organic Frameworks and Their Composites for Environmental Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2204141. [PMID: 36106360 PMCID: PMC9661848 DOI: 10.1002/advs.202204141] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/17/2022] [Indexed: 06/04/2023]
Abstract
From the point of view of the ecological environment, contaminants such as heavy metal ions or toxic gases have caused harmful impacts on the environment and human health, and overcoming these adverse effects remains a serious and important task. Very recent, highly crystalline porous metal-organic frameworks (MOFs), with tailorable chemistry and excellent chemical stability, have shown promising properties in the field of removing various hazardous pollutants. This review concentrates on the recent progress of MOFs and MOF-based materials and their exploit in environmental applications, mainly including water treatment and gas storage and separation. Finally, challenges and trends of MOFs and MOF-based materials for future developments are discussed and explored.
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Affiliation(s)
- Qian Zhang
- School of Chemistry and Chemical EngineeringYangzhou UniversityYangzhou225009China
| | - Hui Yang
- School of Chemistry and Chemical EngineeringYangzhou UniversityYangzhou225009China
| | - Ting Zhou
- School of Chemistry and Chemical EngineeringYangzhou UniversityYangzhou225009China
| | - Xudong Chen
- School of Chemistry and Chemical EngineeringYangzhou UniversityYangzhou225009China
| | - Wenting Li
- School of Chemistry and Chemical EngineeringYangzhou UniversityYangzhou225009China
| | - Huan Pang
- School of Chemistry and Chemical EngineeringYangzhou UniversityYangzhou225009China
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12
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Yin BB, Wang Y, Gao NN, Liang J, Jiang H. A Water‐Stable Luminescent Zn‐MOF Based on A Conjugated π‐electron Ligand as An Efficient Sensor for Fe
3+
, CrO
4
2−
, Cr
2
O
7
2−
and MnO
4
−. ChemistrySelect 2022. [DOI: 10.1002/slct.202201588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Bei B. Yin
- Anhui Key Laboratory of Functional Coordination Compounds School of Chemistry and Chemical Engineering Anqing Normal University Anqing 246011 China
| | - Yan Wang
- Anhui Key Laboratory of Functional Coordination Compounds School of Chemistry and Chemical Engineering Anqing Normal University Anqing 246011 China
| | - Ning N. Gao
- Anhui Key Laboratory of Functional Coordination Compounds School of Chemistry and Chemical Engineering Anqing Normal University Anqing 246011 China
| | - Jing Liang
- Anhui Key Laboratory of Functional Coordination Compounds School of Chemistry and Chemical Engineering Anqing Normal University Anqing 246011 China
| | - Hao Jiang
- Anhui Key Laboratory of Functional Coordination Compounds School of Chemistry and Chemical Engineering Anqing Normal University Anqing 246011 China
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Wang B, Yan Y, Ding CF. Metal-organic framework-based sample preparation in proteomics. J Chromatogr A 2022; 1671:462971. [DOI: 10.1016/j.chroma.2022.462971] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 03/12/2022] [Indexed: 01/05/2023]
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