1
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Pizzetti F, Perale G, Masi M, Rossi F. Are mathematical equations important for improving drug-delivery devices performances? Ther Deliv 2024; 15:233-236. [PMID: 38356370 DOI: 10.4155/tde-2023-0125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2024] Open
Affiliation(s)
- Fabio Pizzetti
- Department of Chemistry, Materials & Chemical Engineering "Giulio Natta", Politecnico di Milano, via Mancinelli 7, 20131, Milan, Italy
| | - Giuseppe Perale
- Biomaterials Laboratory, Institute for Mechanical Engineering & Materials Technology, University of Applied Sciences & Arts of Southern Switzerland, via Cantonale 2C, Galleria 2, 6928, Manno, Switzerland
- Ludwig Boltzmann Institute for Experimental & Clinical Traumatology, Donaueschingenstrasse 13, 1200, Vienna, Austria
| | - Maurizio Masi
- Department of Chemistry, Materials & Chemical Engineering "Giulio Natta", Politecnico di Milano, via Mancinelli 7, 20131, Milan, Italy
| | - Filippo Rossi
- Department of Chemistry, Materials & Chemical Engineering "Giulio Natta", Politecnico di Milano, via Mancinelli 7, 20131, Milan, Italy
- Biomaterials Laboratory, Institute for Mechanical Engineering & Materials Technology, University of Applied Sciences & Arts of Southern Switzerland, via Cantonale 2C, Galleria 2, 6928, Manno, Switzerland
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2
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Zhu J, Tie Z, Bi S, Niu Z. Towards More Sustainable Aqueous Zinc-Ion Batteries. Angew Chem Int Ed Engl 2024:e202403712. [PMID: 38525796 DOI: 10.1002/anie.202403712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 03/23/2024] [Accepted: 03/25/2024] [Indexed: 03/26/2024]
Abstract
Aqueous zinc-ion batteries (AZIBs) are considered as the promising candidates for large-scale energy storage because of their high safety, low cost and environmental benignity. The large-scale applications of AZIBs will inevitably result in a large amount of spent AZIBs, which not only induce the waste of resources, but also pose environmental risks. Therefore, sustainable AZIBs have to be considered to minimize the risk of environmental pollution and maximize the utilization of spent compounds. Herein, this minireview focuses on the sustainability of AZIBs from material design and recycling techniques. The structure and degradation mechanism of AZIBs are discussed to guide the recycling design of the materials. Subsequently, the sustainability of component materials in AZIBs is further analysed to pre-evaluate their recycling behaviors and mentor the selection of more sustainable component materials, including active materials in cathodes, Zn anodes, and aqueous electrolytes, respectively. According to the features of component materials, corresponding green and economic approaches are further proposed to realize the recycling of active materials in cathodes, Zn anodes and electrolytes, respectively. These advanced technologies endow the recycling of component materials with high efficiency and a closed-loop control, ensuring that AZIBs will be the promising candidates of sustainable energy storage devices. This review will offer insight into potential future directions in the design of sustainable AZIBs.
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Affiliation(s)
- Jiacai Zhu
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Haihe Laboratory of Sustainable Chemical Transformations, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Zhiwei Tie
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Haihe Laboratory of Sustainable Chemical Transformations, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Songshan Bi
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Haihe Laboratory of Sustainable Chemical Transformations, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Zhiqiang Niu
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Haihe Laboratory of Sustainable Chemical Transformations, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
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He X, Kimura S, Katase T, Tadano T, Matsuishi S, Minohara M, Hiramatsu H, Kumigashira H, Hosono H, Kamiya T. Inverse-Perovskite Ba 3 BO (B = Si and Ge) as a High Performance Environmentally Benign Thermoelectric Material with Low Lattice Thermal Conductivity. Adv Sci (Weinh) 2024; 11:e2307058. [PMID: 38145354 PMCID: PMC10933667 DOI: 10.1002/advs.202307058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 11/19/2023] [Indexed: 12/26/2023]
Abstract
High energy-conversion efficiency (ZT) of thermoelectric materials has been achieved in heavy metal chalcogenides, but the use of toxic Pb or Te is an obstacle for wide applications of thermoelectricity. Here, high ZT is demonstrated in toxic-element free Ba3 BO (B = Si and Ge) with inverse-perovskite structure. The negatively charged B ion contributes to hole transport with long carrier life time, and their highly dispersive bands with multiple valley degeneracy realize both high p-type electronic conductivity and high Seebeck coefficient, resulting in high power factor (PF). In addition, extremely low lattice thermal conductivities (κlat ) 1.0-0.4 W m-1 K-1 at T = 300-600 K are observed in Ba3 BO. Highly distorted O-Ba6 octahedral framework with weak ionic bonds between Ba with large mass and O provides low phonon velocities and strong phonon scattering in Ba3 BO. As a consequence of high PF and low κlat , Ba3 SiO (Ba3 GeO) exhibits rather high ZT = 0.16-0.84 (0.35-0.65) at T = 300-623 K (300-523 K). Finally, based on first-principles carrier and phonon transport calculations, maximum ZT is predicted to be 2.14 for Ba3 SiO and 1.21 for Ba3 GeO at T = 600 K by optimizing hole concentration. Present results propose that inverse-perovskites would be a new platform of environmentally-benign high-ZT thermoelectric materials.
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Affiliation(s)
- Xinyi He
- MDX Research Center for Element StrategyInternational Research Frontiers InitiativeTokyo Institute of Technology4259 Nagatsuta, MidoriYokohama226‐8501Japan
| | - Shigeru Kimura
- MDX Research Center for Element StrategyInternational Research Frontiers InitiativeTokyo Institute of Technology4259 Nagatsuta, MidoriYokohama226‐8501Japan
| | - Takayoshi Katase
- MDX Research Center for Element StrategyInternational Research Frontiers InitiativeTokyo Institute of Technology4259 Nagatsuta, MidoriYokohama226‐8501Japan
| | - Terumasa Tadano
- Research Center for Magnetic and Spintronic MaterialsNational Institute for Materials Science1‐2‐1 SengenTsukubaIbaraki305‐0047Japan
| | - Satoru Matsuishi
- MDX Research Center for Element StrategyInternational Research Frontiers InitiativeTokyo Institute of Technology4259 Nagatsuta, MidoriYokohama226‐8501Japan
- Research Center for Materials NanoarchitectonicsNational Institute for Materials Science1‐1 NamikiTsukuba, Ibaraki305‐0044Japan
| | - Makoto Minohara
- Research Institute for Advanced Electronics and PhotonicsNational Institute of Advanced Industrial Science and TechnologyTsukubaIbaraki305‐8568Japan
| | - Hidenori Hiramatsu
- MDX Research Center for Element StrategyInternational Research Frontiers InitiativeTokyo Institute of Technology4259 Nagatsuta, MidoriYokohama226‐8501Japan
- Laboratory for Materials and StructuresInstitute of Innovative Research, Tokyo Institute of Technology4259 NagatsutaMidori, Yokohama226‐8501Japan
| | - Hiroshi Kumigashira
- Institute of Multidisciplinary Research for Advanced MaterialsTohoku UniversitySendai980‐8577Japan
| | - Hideo Hosono
- MDX Research Center for Element StrategyInternational Research Frontiers InitiativeTokyo Institute of Technology4259 Nagatsuta, MidoriYokohama226‐8501Japan
- Research Center for Materials NanoarchitectonicsNational Institute for Materials Science1‐1 NamikiTsukuba, Ibaraki305‐0044Japan
| | - Toshio Kamiya
- MDX Research Center for Element StrategyInternational Research Frontiers InitiativeTokyo Institute of Technology4259 Nagatsuta, MidoriYokohama226‐8501Japan
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4
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Wuttig M, Schön C, Kim D, Golub P, Gatti C, Raty J, Kooi BJ, Pendás ÁM, Arora R, Waghmare U. Metavalent or Hypervalent Bonding: Is There a Chance for Reconciliation? Adv Sci (Weinh) 2024; 11:e2308578. [PMID: 38059800 PMCID: PMC10853697 DOI: 10.1002/advs.202308578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Indexed: 12/08/2023]
Abstract
A family of solids including crystalline phase change materials such as GeTe and Sb2 Te3 , topological insulators like Bi2 Se3, and halide perovskites such as CsPbI3 possesses an unconventional property portfolio that seems incompatible with ionic, metallic, or covalent bonding. Instead, evidence is found for a bonding mechanism characterized by half-filled p-bands and a competition between electron localization and delocalization. Different bonding concepts have recently been suggested based on quantum chemical bonding descriptors which either define the bonds in these solids as electron-deficient (metavalent) or electron-rich (hypervalent). This disagreement raises concerns about the accuracy of quantum-chemical bonding descriptors is showed. Here independent of the approach chosen, electron-deficient bonds govern the materials mentioned above is showed. A detailed analysis of bonding in electron-rich XeF2 and electron-deficient GeTe shows that in both cases p-electrons govern bonding, while s-electrons only play a minor role. Yet, the properties of the electron-deficient crystals are very different from molecular crystals of electron-rich XeF2 or electron-deficient B2 H6 . The unique properties of phase change materials and related solids can be attributed to an extended system of half-filled bonds, providing further arguments as to why a distinct nomenclature such as metavalent bonding is adequate and appropriate for these solids.
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Affiliation(s)
- Matthias Wuttig
- I. Institute of PhysicsPhysics of Novel MaterialsRWTH Aachen University52056AachenGermany
- Jülich‐Aachen Research Alliance (JARA FIT and JARA HPC)RWTH Aachen University52056AachenGermany
- Green IT (PGI 10)Forschungszentrum Jülich GmbH52428JülichGermany
| | - Carl‐Friedrich Schön
- I. Institute of PhysicsPhysics of Novel MaterialsRWTH Aachen University52056AachenGermany
| | - Dasol Kim
- I. Institute of PhysicsPhysics of Novel MaterialsRWTH Aachen University52056AachenGermany
| | - Pavlo Golub
- Department of Theoretical ChemistryJ. Heyrovský Institute of Physical ChemistryDolejškova 2155/3Prague18223Czech Republic
| | - Carlo Gatti
- CNR‐SCITECIstituto di Scienze e Tecnologie Chimiche “Giulio Natta”sezione di via Golgi, via Golgi 19Milano20133Italy
| | | | - Bart J. Kooi
- Zernike Institute for Advanced MaterialsUniversity of GroningenNijenborgh 4Groningen9747AGThe Netherlands
| | | | - Raagya Arora
- Theoretical Sciences UnitSchool of Advanced MaterialsJNCASRJakkurBangalore560064India
| | - Umesh Waghmare
- Theoretical Sciences UnitSchool of Advanced MaterialsJNCASRJakkurBangalore560064India
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Lu L, Sun M, Wu T, Lu Q, Chen B, Chan CH, Wong HH, Huang B. Progress on Single-Atom Photocatalysts for H 2 Generation: Material Design, Catalytic Mechanism, and Perspectives. Small Methods 2023; 7:e2300430. [PMID: 37653620 DOI: 10.1002/smtd.202300430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 08/16/2023] [Indexed: 09/02/2023]
Abstract
Solar energy utilization is of great significance to current challenges of the energy crisis and environmental pollution, which benefit the development of the global community to achieve carbon neutrality goals. Hydrogen energy is also treated as a good candidate for future energy supply since its combustion not only supplies high-density energy but also shows no pollution gas. In particular, photocatalytic water splitting has attracted increasing research as a promising method for H2 production. Recently, single-atom (SA) photocatalysts have been proposed as a potential solution to improve catalytic efficiency and lower the costs of photocatalytic water splitting for H2 generation. Owing to the maximized atom utilization rate, abundant surface active sites, and tunable coordination environment, SA photocatalysts have achieved significant progress. This review reviews developments of advanced SA photocatalysts for H2 generation regarding the different support materials. The recent progress of titanium dioxide, metal-organic frameworks, two-dimensional carbon materials, and red phosphorus supported SA photocatalysts are carefully discussed. In particular, the material designs, reaction mechanisms, modulation strategies, and perspectives are highlighted for realizing improved solar-to-energy efficiency and H2 generation rate. This work will supply significant references for future design and synthesis of advanced SA photocatalysts.
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Affiliation(s)
- Lu Lu
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, 999077, China
| | - Mingzi Sun
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, 999077, China
| | - Tong Wu
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, 999077, China
| | - Qiuyang Lu
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, 999077, China
| | - Baian Chen
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, 999077, China
| | - Cheuk Hei Chan
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, 999077, China
| | - Hon Ho Wong
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, 999077, China
| | - Bolong Huang
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, 999077, China
- Research Centre for Carbon-Strategic Catalysis (RC-CSC), The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, 999077, China
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6
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Sekine N, Nakao W. Advanced Self-Healing Ceramics with Controlled Degradation and Repair by Chemical Reaction. Materials (Basel) 2023; 16:6368. [PMID: 37834505 PMCID: PMC10573605 DOI: 10.3390/ma16196368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 09/19/2023] [Accepted: 09/21/2023] [Indexed: 10/15/2023]
Abstract
Controlling the chemical reaction rate concerning degradation and repair is found to be important to design advanced self-healing ceramics. The recovery and degradation behaviors of strength and stiffness were investigated by exposing aqueous solutions of different pH and calcium ion concentrations to the introduced crack on typical self-healing ceramics dispersed with alumina cement as a self-healing agent. The chemical reaction of cement undergoes the following three stages: dissolution of components such as calcium ions, formation of a gel, and formation of final products. Experimental and thermodynamic assessments revealed that even under conditions where the final products are identical (thermodynamic equilibrium), kinetic effects (excessive dissolution of components or insufficient crystal formation) result in strength degradation rather than repair. It was also suggested that the repair function could be enhanced by controlling the nucleation site of the crystals.
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Affiliation(s)
- Nobuhide Sekine
- Graduate School of Engineering, Yokohama National University, Tokiwadai 79-5, Hodogaya-ku, Yokohama 240-8501, Kanagawa, Japan
| | - Wataru Nakao
- Faculty of Engineering, Yokohama National University, Tokiwadai 79-5, Hodogaya-ku, Yokohama 240-8501, Kanagawa, Japan
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7
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Wuttig M, Schön CF, Lötfering J, Golub P, Gatti C, Raty JY. Revisiting the Nature of Chemical Bonding in Chalcogenides to Explain and Design their Properties. Adv Mater 2023; 35:e2208485. [PMID: 36456187 DOI: 10.1002/adma.202208485] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 10/31/2022] [Indexed: 05/19/2023]
Abstract
Quantum chemical bonding descriptors have recently been utilized to design materials with tailored properties. Their usage to facilitate a quantitative description of bonding in chalcogenides as well as the transition between different bonding mechanisms is reviewed. More importantly, these descriptors can also be employed as property predictors for several important material characteristics, including optical and transport properties. Hence, these quantum chemical bonding descriptors can be utilized to tailor material properties of chalcogenides relevant for thermoelectrics, photovoltaics, and phase-change memories. Relating material properties to bonding mechanisms also shows that there is a class of materials, which are characterized by unconventional properties such as a pronounced anharmonicity, a large chemical bond polarizability, and strong optical absorption. This unusual property portfolio is attributed to a novel bonding mechanism, fundamentally different from ionic, metallic, and covalent bonding, which is called "metavalent." In the concluding section, a number of promising research directions are sketched, which explore the nature of the property changes upon changing bonding mechanism and extend the concept of quantum chemical property predictors to more complex compounds.
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Affiliation(s)
- Matthias Wuttig
- I. Institute of Physics, Physics of Novel Materials, RWTH Aachen University, 52056, Aachen, Germany
- Jülich-Aachen Research Alliance (JARA FIT and JARA HPC), RWTH Aachen University, 52056, Aachen, Germany
- PGI 10 (Green IT), Forschungszentrum Jülich GmbH, 52428, Jülich, Germany
| | - Carl-Friedrich Schön
- I. Institute of Physics, Physics of Novel Materials, RWTH Aachen University, 52056, Aachen, Germany
| | - Jakob Lötfering
- I. Institute of Physics, Physics of Novel Materials, RWTH Aachen University, 52056, Aachen, Germany
| | - Pavlo Golub
- Department of Theoretical Chemistry, J. Heyrovský Institute of Physical Chemistry, Dolejškova 2155/3, Prague 8, 182 23, Czech Republic
| | - Carlo Gatti
- CNR-SCITEC, Istituto di Scienze e Tecnologie Chimiche "Giulio Natta", sezione di via Golgi, via Golgi 19, Milano, 20133, Italy
| | - Jean-Yves Raty
- CESAM B5, Université de Liège, Sart-Tilman, B4000, Belgium
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Rajpal S, Mishra P, Mizaikoff B. Rational In Silico Design of Molecularly Imprinted Polymers: Current Challenges and Future Potential. Int J Mol Sci 2023; 24:ijms24076785. [PMID: 37047758 PMCID: PMC10095314 DOI: 10.3390/ijms24076785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Revised: 03/29/2023] [Accepted: 03/30/2023] [Indexed: 04/14/2023] Open
Abstract
The rational design of molecularly imprinted polymers has evolved along with state-of-the-art experimental imprinting strategies taking advantage of sophisticated computational tools. In silico methods enable the screening and simulation of innovative polymerization components and conditions superseding conventional formulations. The combined use of quantum mechanics, molecular mechanics, and molecular dynamics strategies allows for macromolecular modelling to study the systematic translation from the pre- to the post-polymerization stage. However, predictive design and high-performance computing to advance MIP development are neither fully explored nor practiced comprehensively on a routine basis to date. In this review, we focus on different steps along the molecular imprinting process and discuss appropriate computational methods that may assist in optimizing the associated experimental strategies. We discuss the potential, challenges, and limitations of computational approaches including ML/AI and present perspectives that may guide next-generation rational MIP design for accelerating the discovery of innovative molecularly templated materials.
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Affiliation(s)
- Soumya Rajpal
- Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, New Delhi 110016, India
- Institute of Analytical and Bioanalytical Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Prashant Mishra
- Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - Boris Mizaikoff
- Institute of Analytical and Bioanalytical Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany
- Hahn-Schickard, Sedanstraße 14, 89077 Ulm, Germany
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Thundathil M, Nazmi AR, Shahri B, Emerson N, Müssig J, Huber T. Visual-Tactile Perception of Biobased Composites. Materials (Basel) 2023; 16:1844. [PMID: 36902959 PMCID: PMC10004420 DOI: 10.3390/ma16051844] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 02/14/2023] [Accepted: 02/20/2023] [Indexed: 06/18/2023]
Abstract
Biobased composites offer unique properties in the context of sustainable material production as well as end-of-life disposal, which places them as viable alternatives to fossil-fuel-based materials. However, the large-scale application of these materials in product design is hindered by their perceptual handicaps and understanding the mechanism of biobased composite perception, and its constituents could pave the way to creating commercially successful biobased composites. This study examines the role of bimodal (visual and tactile) sensory evaluation in the formation of biobased composite perception through the Semantic Differential method. It is observed that the biobased composites could be grouped into different clusters based on the dominance and interplay of various senses in perception forming. Attributes such as Natural, Beautiful, and Valuable are seen to correlate with each other positively and are influenced by both visual and tactile characteristics of the biobased composites. Attributes such as Complex, Interesting, and Unusual are also positively correlated but dominated by visual stimuli. The perceptual relationships and components of beauty, naturality, and value and their constituent attributes are identified, along with the visual and tactile characteristics that influence these assessments. Material design leveraging these biobased composite characteristics could lead to the creation of sustainable materials that would be more attractive to designers and consumers.
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Affiliation(s)
- Manu Thundathil
- School of Product Design, University of Canterbury, Christchurch 8041, New Zealand
| | - Ali Reza Nazmi
- School of Product Design, University of Canterbury, Christchurch 8041, New Zealand
| | - Bahareh Shahri
- School of Product Design, University of Canterbury, Christchurch 8041, New Zealand
| | - Nick Emerson
- School of Product Design, University of Canterbury, Christchurch 8041, New Zealand
| | - Jörg Müssig
- The Biological Materials Group, Biomimetics, Faculty 5, HSB–City University of Applied Sciences Bremen, 28199 Bremen, Germany
| | - Tim Huber
- School of Product Design, University of Canterbury, Christchurch 8041, New Zealand
- Luxembourg Institute of Science and Technology, 4940 Hautcharage, Luxembourg
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Bertsch C, Maréchal H, Gribova V, Lévy B, Debry C, Lavalle P, Fath L. Biomimetic Bilayered Scaffolds for Tissue Engineering: From Current Design Strategies to Medical Applications. Adv Healthc Mater 2023:e2203115. [PMID: 36807830 DOI: 10.1002/adhm.202203115] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/17/2023] [Indexed: 02/20/2023]
Abstract
Tissue damage due to cancer, congenital anomalies, and injuries needs new efficient treatments that allow tissue regeneration. In this context, tissue engineering shows a great potential to restore the native architecture and function of damaged tissues, by combining cells with specific scaffolds. Scaffolds made of natural and/or synthetic polymers and sometimes ceramics play a key role in guiding cell growth and formation of the new tissues. Monolayered scaffolds, which consist of uniform material structure, are reported as not being sufficient to mimic complex biological environment of the tissues. Osteochondral, cutaneous, vascular, and many other tissues all have multilayered structures, therefore multilayered scaffolds seem more advantageous to regenerate these tissues. In this review, recent advances in bilayered scaffolds design applied to regeneration of vascular, bone, cartilage, skin, periodontal, urinary bladder, and tracheal tissues are focused on. After a short introduction on tissue anatomy, composition and fabrication techniques of bilayered scaffolds are explained. Then, experimental results obtained in vitro and in vivo are described, and their limitations are given. Finally, difficulties in scaling up production of bilayer scaffolds and reaching the stage of clinical studies are discussed when multiple scaffold components are used.
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Affiliation(s)
- Christelle Bertsch
- Institut National de la Santé et de la Recherche Médicale, Inserm UMR_S 1121 Biomaterials and Bioengineering, Centre de Recherche en Biomédecine de Strasbourg, 1 rue Eugène Boeckel, Strasbourg, 67000, France
| | - Hélène Maréchal
- Service d'ORL et de Chirurgie Cervico-Faciale, Hôpitaux Universitaires de Strasbourg, 1 avenue Molière, Strasbourg, 67200, France
| | - Varvara Gribova
- Institut National de la Santé et de la Recherche Médicale, Inserm UMR_S 1121 Biomaterials and Bioengineering, Centre de Recherche en Biomédecine de Strasbourg, 1 rue Eugène Boeckel, Strasbourg, 67000, France
| | - Benjamin Lévy
- Institut National de la Santé et de la Recherche Médicale, Inserm UMR_S 1121 Biomaterials and Bioengineering, Centre de Recherche en Biomédecine de Strasbourg, 1 rue Eugène Boeckel, Strasbourg, 67000, France
| | - Christian Debry
- Institut National de la Santé et de la Recherche Médicale, Inserm UMR_S 1121 Biomaterials and Bioengineering, Centre de Recherche en Biomédecine de Strasbourg, 1 rue Eugène Boeckel, Strasbourg, 67000, France.,Service d'ORL et de Chirurgie Cervico-Faciale, Hôpitaux Universitaires de Strasbourg, 1 avenue Molière, Strasbourg, 67200, France
| | - Philippe Lavalle
- Institut National de la Santé et de la Recherche Médicale, Inserm UMR_S 1121 Biomaterials and Bioengineering, Centre de Recherche en Biomédecine de Strasbourg, 1 rue Eugène Boeckel, Strasbourg, 67000, France
| | - Léa Fath
- Institut National de la Santé et de la Recherche Médicale, Inserm UMR_S 1121 Biomaterials and Bioengineering, Centre de Recherche en Biomédecine de Strasbourg, 1 rue Eugène Boeckel, Strasbourg, 67000, France.,Service d'ORL et de Chirurgie Cervico-Faciale, Hôpitaux Universitaires de Strasbourg, 1 avenue Molière, Strasbourg, 67200, France
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Yang S, Zhu W, Zhu L, Ma X, Yan T, Gu N, Lan Y, Huang Y, Yuan M, Tong M. Multi-Scale Computer-Aided Design of Covalent Organic Frameworks for CO 2 Capture in Wet Flue Gas. ACS Appl Mater Interfaces 2022; 14:56353-56362. [PMID: 36511382 DOI: 10.1021/acsami.2c17109] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Discovery of remarkable porous materials for CO2 capture from wet flue gas is of great significance to reduce the CO2 emissions, but elucidating the most critical structure features for boosting CO2 capture capabilities remains a great challenge. Here, machine-learning-assisted Monte Carlo computational screening on 516 experimental covalent organic frameworks (COFs) identifies the superior secondary building units (SBUs) for wet flue gas separation using COFs, which are tetraphenylporphyrin units for boosting CO2 adsorption uptake and functional groups for boosting CO2/N2 selectivity. Accordingly, 1233 COFs are assembled using the identified superior SBUs. Density functional theory calculation analysis on frontier orbitals, electrostatic potential, and binding energy reveals the influencing mechanism of the SBUs on the wet flue gas separation performance. The "electron-donating-induced vdW interaction" effect is discovered to construct the better-performing COFs, which can achieve high CO2 uptake of 4.4 mmol·g-1 with CO2/N2 selectivity of 104.8. Meanwhile, the "electron-withdrawing-induced vdW + electrostatic coupling interaction" effect is unearthed to construct the better-performing COFs with superior CO2/N2 selectivity, which can reach 277.6 with CO2 uptake of 2.2 mmol·g-1; in this case, H2O plays a positive contribution in improving CO2/N2 selectivity. This work provides useful guidelines for designing optimized two-dimensional-COF adsorbents for wet flue gas separation.
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Affiliation(s)
- Shuna Yang
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou221116, China
| | - Weichen Zhu
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou221116, China
| | - Linbin Zhu
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou221116, China
| | - Xue Ma
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou221116, China
| | - Tongan Yan
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing100029, China
| | - Nengcui Gu
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou221116, China
| | - Youshi Lan
- Department of Radiochemistry, China Institute of Atomic Energy, Beijing102413, China
| | - Yi Huang
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou221116, China
| | - Mingyuan Yuan
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou221116, China
| | - Minman Tong
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou221116, China
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12
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Abstract
Computational modeling is increasingly used to assist in the discovery of supramolecular materials. Supramolecular materials are typically primarily built from organic components that are self-assembled through noncovalent bonding and have potential applications, including in selective binding, sorption, molecular separations, catalysis, optoelectronics, sensing, and as molecular machines. In this review, the key areas where computational prediction can assist in the discovery of supramolecular materials, including in structure prediction, property prediction, and the prediction of how to synthesize a hypothetical material are discussed, before exploring the potential impact of artificial intelligence techniques on the field. Throughout, the importance of close integration with experimental materials discovery programs will be highlighted. A series of case studies from the author's work across some different supramolecular material classes will be discussed, before finishing with a discussion of the outlook for the field.
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Affiliation(s)
- Kim E Jelfs
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London, UK
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13
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Mosleh AO, Kotova EG, Kotov AD, Gershman IS, Mironov AE. Bearing Aluminum-Based Alloys: Microstructure, Mechanical Characterizations, and Experiment-Based Modeling Approach. Materials (Basel) 2022; 15:8394. [PMID: 36499891 PMCID: PMC9735459 DOI: 10.3390/ma15238394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 11/11/2022] [Accepted: 11/22/2022] [Indexed: 06/17/2023]
Abstract
Due to the engine's start/stop system and a sudden increase in speed or load, the development of alloys suitable for engine bearings requires excellent tribological properties and high mechanical properties. Including additional elements in the Al-rich matrix of these anti-friction alloys should strengthen their tribological properties. The novelty of this work is in constructing a suitable artificial neural network (ANN) architecture for highly accurate modeling and prediction of the mechanical properties of the bearing aluminum-based alloys and thus optimizing the chemical composition for high mechanical properties. In addition, the study points out the impact of soft and more solid phases on the mechanical properties of these alloys. For this purpose, a huge number of alloys (198 alloys) with different chemical compositions combined from Sn, Pb, Cu, Mg, Zn, Si, Ni, Bi, Ti, Mn, Fe, and Al) were cast, annealed, and tested for determining their mechanical properties. The annealed sample microstructure analysis revealed the formation of soft structural inclusions (Sn-rich, Sn-Pb, and Pb-Sn phases) and solid phase inclusions (strengthened phase, Al2Cu). The mechanical properties of ultimate tensile strength (σu), Brinell hardness (HB), and elongation to failure (δ) were used as control responses for constructing the ANN network. The constructed network was optimized by attempting different network architecture designs to reach minimal errors. Besides the excellent tribological characteristics of the designed set of alloys, soft inclusions based on Sn and Pb and solid-phase Cu inclusions fulfilled the necessary level of mechanical properties for anti-friction alloys; the maximum mechanical properties reached were: σu = 197 ± 7 MPa, HB = 77 ± 4, and δ = 20.3 ± 1.0%. The optimal ANN architecture with the lowest errors (correlation coefficient (R) = 0.94, root mean square error (RMSE) = 3.5, and average actual relative error (AARE) = 1.0%) had two hidden layers with 20 neurons. The model was validated by additional experiments, and the characteristics of the new alloys were accurately predicted with a low level of errors: R ≥ 0.97, RMSE = 1-2.65, and AARE ˂ 10%.
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Affiliation(s)
- Ahmed O. Mosleh
- Mechanical Engineering Department, Faculty of Engineering at Shoubra, Benha University, Cairo 11629, Egypt
| | - Elena G. Kotova
- Department of Scientific Research Programs, Grants and Projects, Railway Research Institute JSC “VNIIZHT”, 3rd Mytischinskaya St. 10, 107996 Moscow, Russia
| | - Anton D. Kotov
- Physical Metallurgy of Non-Ferrous Metals, National University of Science and Technology “MISiS”, Leninsky Prospekt, 4, 119049 Moscow, Russia
| | - Iosif S. Gershman
- Joint Stock Company Railway Research Institute, Moscow State Technological University “Stankin” (MSTU “STANKIN”), 127055 Moscow, Russia
| | - Alexander E. Mironov
- Joint Stock Company Railway Research Institute, Moscow State Technological University “Stankin” (MSTU “STANKIN”), 127055 Moscow, Russia
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14
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Ma MY, Han D, Chen NK, Wang D, Li XB. Recent Progress in Double-Layer Honeycomb Structure: A New Type of Two-Dimensional Material. Materials (Basel) 2022; 15:7715. [PMID: 36363305 PMCID: PMC9658583 DOI: 10.3390/ma15217715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 10/26/2022] [Accepted: 10/28/2022] [Indexed: 06/16/2023]
Abstract
Two-dimensional (2D) materials are no doubt the most widely studied nanomaterials in the past decade. Most recently, a new type of 2D material named the double-layer honeycomb (DLHC) structure opened a door to achieving a series of 2D materials from traditional semiconductors. However, as a newly developed material, there still lacks a timely understanding of its structure, property, applications, and underlying mechanisms. In this review, we discuss the structural stability and experimental validation of this 2D material, and systematically summarize the properties and applications including the electronic structures, topological properties, optical properties, defect engineering, and heterojunctions. It was concluded that the DLHC can be a universal configuration applying to III-V, II-VI, and I-VII semiconductors. Moreover, these DLHC materials indeed have exotic properties such as being excitonic/topological insulators. The successful fabrication of DLHC materials further demonstrates it is a promising topic. Finally, we summarize several issues to be addressed in the future, including further experimental validation, defect engineering, heterojunction engineering, and strain engineering. We hope this review can help the community to better understand the DLHC materials timely and inspire their applications in the future.
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Affiliation(s)
- Ming-Yu Ma
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China
| | - Dong Han
- State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
| | - Nian-Ke Chen
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China
| | - Dan Wang
- Department of Mechanical Engineering and Materials Science, Yale University, New Haven, CT 06511, USA
| | - Xian-Bin Li
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China
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15
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Zou CY, Li QJ, Hu JJ, Song YT, Zhang QY, Nie R, Li-Ling J, Xie HQ. Design of biopolymer-based hemostatic material: Starting from molecular structures and forms. Mater Today Bio 2022; 17:100468. [PMID: 36340592 PMCID: PMC9626749 DOI: 10.1016/j.mtbio.2022.100468] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 10/15/2022] [Accepted: 10/17/2022] [Indexed: 11/06/2022] Open
Abstract
Uncontrolled bleeding remains as a leading cause of death in surgical, traumatic, and emergency situations. Management of the hemorrhage and development of hemostatic materials are paramount for patient survival. Owing to their inherent biocompatibility, biodegradability and bioactivity, biopolymers such as polysaccharides and polypeptides have been extensively researched and become a focus for the development of next-generation hemostatic materials. The construction of novel hemostatic materials requires in-depth understanding of the physiological hemostatic process, fundamental hemostatic mechanisms, and the effects of material chemistry/physics. Herein, we have recapitulated the common hemostatic strategies and development status of biopolymer-based hemostatic materials. Furthermore, the hemostatic mechanisms of various molecular structures (components and chemical modifications) are summarized from a microscopic perspective, and the design based on them are introduced. From a macroscopic perspective, the design of various forms of hemostatic materials, e.g., powder, sponge, hydrogel and gauze, is summarized and compared, which may provide an enlightenment for the optimization of hemostat design. It has also highlighted current challenges to the development of biopolymer-based hemostatic materials and proposed future directions in chemistry design, advanced form and clinical application. Biopolymers possess sound biocompatibility, biodegradability and bioactivity for the design of hemostatic materials. Molecular structure designs including component and chemical modification are summarized from a microscopic perspective. Design of various forms of hemostatic materials is discussed and compared synthetically from a macroscopic perspective.
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Affiliation(s)
- Chen-Yu Zou
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China
| | - Qian-Jin Li
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China
| | - Juan-Juan Hu
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China,Department of Otolaryngology, Head and Neck Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China
| | - Yu-Ting Song
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China
| | - Qing-Yi Zhang
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China
| | - Rong Nie
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China
| | - Jesse Li-Ling
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China,Department of Medical Genetics, West China Second Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China
| | - Hui-Qi Xie
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China,Corresponding author.
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16
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Gibaldi M, Kwon O, White A, Burner J, Woo TK. The HEALED SBU Library of Chemically Realistic Building Blocks for Construction of Hypothetical Metal-Organic Frameworks. ACS Appl Mater Interfaces 2022; 14:43372-43386. [PMID: 36121788 DOI: 10.1021/acsami.2c13100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Advancements in hypothetical metal-organic framework (hMOF) databases and construction tools have resulted in a rapidly expanding chemical design space for nanoporous materials. The bulk of these hypothetical structures are constructed using structural building units (SBUs) derived from experimental MOF structures, often collected from the CoRE-MOF database. Recent investigations into the state of these deposited experimental structures' chemical accuracy identified an array of common structural errors, including omitted protons, missing counterions, and disordered structures. These structural errors propagate into the SBUs mined from experimental MOFs, culminating in inaccurate hMOF structures possessing net charges or missing atoms which were not accounted for previously. This work demonstrates how manual investigation was applied to diagnose structural errors in SBUs obtained from several popular hMOF construction tools and databases. An analysis of the prevailing errors discovered during the examination process is provided along with representative cases to aid with error detection in future studies involving SBU extraction and hMOF construction. A novel repair protocol was established and employed to generate a library of SBUs that are hand-examined and labeled with enhanced detail (HEALED). This repaired library of SBUs contains 952 inorganic SBUs and 568 organic SBUs ideally suited for the generation of hypothetical frameworks that are chemically accurate and properly charge labeled. Additionally, case studies following the effects of SBU errors on electrostatic potential-fitted charges and GCMC-simulated gas adsorption predictions are presented to highlight the significance of using chemically accurate hMOF structures exclusively in all screening efforts going forward.
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Affiliation(s)
- Marco Gibaldi
- Department of Chemistry and Biomolecular Science, University of Ottawa, 10 Marie Curie Private, Ottawa K1N 6N5, Canada
| | - Ohmin Kwon
- Department of Chemistry and Biomolecular Science, University of Ottawa, 10 Marie Curie Private, Ottawa K1N 6N5, Canada
| | - Andrew White
- Department of Chemistry and Biomolecular Science, University of Ottawa, 10 Marie Curie Private, Ottawa K1N 6N5, Canada
| | - Jake Burner
- Department of Chemistry and Biomolecular Science, University of Ottawa, 10 Marie Curie Private, Ottawa K1N 6N5, Canada
| | - Tom K Woo
- Department of Chemistry and Biomolecular Science, University of Ottawa, 10 Marie Curie Private, Ottawa K1N 6N5, Canada
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17
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Xie S, Li X, Li Y, Liang Q, Dong L. Material Design and Energy Storage Mechanism of Mn-Based Cathodes for Aqueous Zinc-Ion Batteries. CHEM REC 2022; 22:e202200201. [PMID: 36126168 DOI: 10.1002/tcr.202200201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/03/2022] [Indexed: 11/06/2022]
Abstract
Mn-based cathodes have been widely explored for aqueous zinc-ion batteries (ZIBs), by virtue of their high theoretical capacity and low cost. However, Mn-based cathodes suffer from poor rate capability and cycling performance. Researchers have presented various approaches to address these issues. Therefore, these endeavors scattered in various directions (e. g., designing electrode structures, defect engineering and optimizing electrolytes) are necessary to be connected through a systematic review. Hence, we comprehensively overview Mn-based cathode materials for ZIBs from the aspects of phase compositions, electrochemical behaviors and energy storage mechanisms, and try to build internal relations between these factors. Modification strategies of Mn-based cathodes are then introduced. Furthermore, this review also provides some new perspectives on future efforts toward high-energy and long-life Mn-based cathodes for ZIBs.
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Affiliation(s)
- Shiyin Xie
- College of Chemistry and Materials Science, Jinan University, Guangzhou, 511443, China
| | - Xu Li
- College of Chemistry and Materials Science, Jinan University, Guangzhou, 511443, China
| | - Yang Li
- College of Chemistry and Materials Science, Jinan University, Guangzhou, 511443, China
| | - Qinghua Liang
- Department of Chemical Engineering, The University of Melbourne, Melbourne, Victoria, 3010, Australia
| | - Liubing Dong
- College of Chemistry and Materials Science, Jinan University, Guangzhou, 511443, China
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18
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Park JS, Kim GU, Lee S, Lee JW, Li S, Lee JY, Kim BJ. Material Design and Device Fabrication Strategies for Stretchable Organic Solar Cells. Adv Mater 2022; 34:e2201623. [PMID: 35765775 DOI: 10.1002/adma.202201623] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 04/06/2022] [Indexed: 06/15/2023]
Abstract
Recent advances in the power conversion efficiency (PCE) of organic solar cells (OSCs) have greatly enhanced their commercial viability. Considering the technical standards (e.g., mechanical robustness) required for wearable electronics, which are promising application platforms for OSCs, the development of fully stretchable OSCs (f-SOSCs) should be accelerated. Here, a comprehensive overview of f-SOSCs, which are aimed to reliably operate under various forms of mechanical stress, including bending and multidirectional stretching, is provided. First, the mechanical requirements of f-SOSCs, in terms of tensile and cohesion/adhesion properties, are summarized along with the experimental methods to evaluate those properties. Second, essential studies to make each layer of f-SOSCs stretchable and efficient are discussed, emphasizing strategies to simultaneously enhance the photovoltaic and mechanical properties of the active layer, ranging from material design to fabrication control. Key improvements to the other components/layers (i.e., substrate, electrodes, and interlayers) are also covered. Lastly, considering that f-SOSC research is in its infancy, the current challenges and future prospects are explored.
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Affiliation(s)
- Jin Su Park
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
| | - Geon-U Kim
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
| | - Seungjin Lee
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
| | - Jin-Woo Lee
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
| | - Sheng Li
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
| | - Jung-Yong Lee
- School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
| | - Bumjoon J Kim
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
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19
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Yu S, Chai H, Xiong Y, Kang M, Geng C, Liu Y, Chen Y, Zhang Y, Zhang Q, Li C, Wei H, Zhao Y, Yu F, Lu A. Studying Complex Evolution of Hyperelastic Materials under External Field Stimuli using Artificial Neural Networks with Spatiotemporal Features in a Small-Scale Dataset. Adv Mater 2022; 34:e2200908. [PMID: 35483076 DOI: 10.1002/adma.202200908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 04/17/2022] [Indexed: 06/14/2023]
Abstract
Deep-learning (DL) methods, in consideration of their excellence in dealing with highly complex structure-performance relationships for materials, are expected to become a new design paradigm for breakthroughs in material performance. However, in most cases, it is impractical to collect massive-scale experimental data or open-source theoretical databases to support training DL models with sufficient prediction accuracy. In a dataset consisting of 483 porous silicone rubber observations generated via ink-writing additive manufacturing, this work demonstrates that constructing low-dimensional, accurate descriptors is the prerequisite for obtaining high-precision DL models based on small experimental datasets. On this basis, a unique convolutional bidirectional long short-term memory model with spatiotemporal features extraction capability is designed, whose hierarchical learning mechanism further reduces the requirement for the amount of data by taking full advantage of data information. The proposed approach can be expected as a powerful tool for innovative material design on small experimental datasets, which can also be used to explore the evolutionary mechanisms of the structures and properties of materials under complex working conditions.
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Affiliation(s)
- Songlin Yu
- Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang, Sichuan, 621900, P. R. China
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, 621010, P. R. China
| | - Haiyang Chai
- School of Big Data and Software Engineering, Chongqing University, Chongqing, 401331, P. R. China
| | - Yuqi Xiong
- Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang, Sichuan, 621900, P. R. China
| | - Ming Kang
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, 621010, P. R. China
| | - Chengzhen Geng
- Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang, Sichuan, 621900, P. R. China
| | - Yu Liu
- School of Mechanical Engineering, Jiangnan University, Wuxi, Jiangsu, 214000, P. R. China
| | - Yanqiu Chen
- School of Mechanical Engineering, Jiangnan University, Wuxi, Jiangsu, 214000, P. R. China
| | - Yaling Zhang
- Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang, Sichuan, 621900, P. R. China
| | - Qian Zhang
- Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang, Sichuan, 621900, P. R. China
| | - Changlin Li
- Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang, Sichuan, 621900, P. R. China
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, 621010, P. R. China
| | - Hao Wei
- Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang, Sichuan, 621900, P. R. China
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, 621010, P. R. China
| | - Yuhang Zhao
- Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang, Sichuan, 621900, P. R. China
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, 621010, P. R. China
| | - Fengmei Yu
- Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang, Sichuan, 621900, P. R. China
| | - Ai Lu
- Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang, Sichuan, 621900, P. R. China
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, 621010, P. R. China
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20
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Zhang T, Li C, Wang F, Noori A, Mousavi MF, Xia X, Zhang Y. Recent Advances in Carbon Anodes for Sodium-Ion Batteries. CHEM REC 2022; 22:e202200083. [PMID: 35670500 DOI: 10.1002/tcr.202200083] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 05/21/2022] [Accepted: 05/23/2022] [Indexed: 01/05/2023]
Abstract
Sodium-ion batteries (SIBs) have gained tremendous attention for large-scale energy storage applications due to the natural abundance, low cost, and even geographic distribution of sodium resources as well as a similar working mechanism to lithium-ion batteries (LIBs). One of the critical bottlenecks, however, is the design of high-performance and low-cost anode materials. Graphite anode that has dominated the market share of LIBs does not properly intercalate sodium ions. However, other carbonaceous materials are still considered as one of the most promising anode materials for SIBs in virtue of their high electronic conductivity, abundant active sites, hierarchical porosity, and excellent mechanical stability. In this review, we have tried to summarize the latest progresses made on the development of carbon-based negative electrodes (including hard carbons, soft carbons, and synthetic carbon allotropes) for SIBs. We also have provided a comprehensive understanding of their physical properties, the sodium ions storage mechanisms, and the improvement measures to cope with the current challenges. In addition, we have proposed future research directions for SIBs that will provide important insights into further development of carbon-based materials for SIBs.
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Affiliation(s)
- Tengfei Zhang
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, 313002, China.,Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 611731, P. R. China
| | - Chen Li
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 611731, P. R. China
| | - Fan Wang
- Key Laboratory of Engineering Dielectric and Applications (Ministry of Education), School of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin, 150080, P. R. China
| | - Abolhassan Noori
- Department of Chemistry, Faculty of Basic Sciences, Tarbiat Modares University, Tehran, 14117-13116, Iran
| | - Mir F Mousavi
- Department of Chemistry, Faculty of Basic Sciences, Tarbiat Modares University, Tehran, 14117-13116, Iran
| | - Xinhui Xia
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, 313002, China.,State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350116, P. R. China
| | - Yongqi Zhang
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, 313002, China.,Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 611731, P. R. China
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Abstract
In this Perspective, we present the unique gas adsorption capabilities of porous liquids (PLs) and the value of complex computational methods in the design of PL compositions. Traditionally, liquids only contain transient pore space between molecules that limit long-term gas capture. However, PLs are stable fluids that that contain permanent porosity due to the combination of a rigid porous host structure and a solvent. PLs exhibit remarkable adsorption and separation properties, including increased solubility and selectivity. The unique gas adsorption properties of PLs are based on their structure, which exhibits multiple gas binding sites in the pore and on the cage surface, varying binding mechanisms including hydrogen-bonding and π-π interactions, and selective diffusion in the solvent. Tunable PL compositions will require fundamental investigations of competitive gas binding mechanisms, thermal effects on binding site stability, and the role of nanoconfinement on gas and solvent diffusion that can be accelerated through molecular modeling. With these new insights PLs promise to be an exceptional material class with tunable properties for targeted gas adsorption.
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Affiliation(s)
- Jessica M Rimsza
- Geochemistry Department, Sandia National Laboratories, Albuquerque 87185-5820, New Mexico, United States
| | - Tina M Nenoff
- Material, Physical, and Chemical Sciences, Sandia National Laboratories, Albuquerque 87185-5820, New Mexico, United States
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22
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Gan Z, Yin J, Xu X, Cheng Y, Yu T. Nanostructure and Advanced Energy Storage: Elaborate Material Designs Lead to High-Rate Pseudocapacitive Ion Storage. ACS Nano 2022; 16:5131-5152. [PMID: 35293209 DOI: 10.1021/acsnano.2c00557] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The drastic need for development of power and electronic equipment has long been calling for energy storage materials that possess favorable energy and power densities simultaneously, yet neither capacitive nor battery-type materials can meet the aforementioned demand. By contrast, pseudocapacitive materials store ions through redox reactions with charge/discharge rates comparable to those of capacitors, holding the promise of serving as electrode materials in advanced electrochemical energy storage (EES) devices. Therefore, it is of vital importance to enhance pseudocapacitive responses of energy storage materials to obtain excellent energy and power densities at the same time. In this Review, we first present basic concepts and characteristics about pseudocapacitive behaviors for better guidance on material design researches. Second, we discuss several important and effective material design measures for boosting pseudocapacitive responses of materials to improve rate capabilities, which mainly include downsizing, heterostructure engineering, adding atom and vacancy dopants, expanding interlayer distance, exposing active facets, and designing nanosheets. Finally, we outline possible developing trends in the rational design of pseudocapacitive materials and EES devices toward high-performance energy storage.
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Affiliation(s)
- Zihan Gan
- State Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, P.R. China
| | - Junyi Yin
- State Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, P.R. China
| | - Xin Xu
- State Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, P.R. China
| | - Yonghong Cheng
- State Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, P.R. China
| | - Ting Yu
- School of Physics and Technology, Wuhan University, Wuhan 430072, P.R. China
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371, Singapore
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Yamashita A, Shukunami Y, Mizuguchi Y. Improvement of critical current density of REBa 2Cu 3O 7-δ by increase in configurational entropy of mixing. R Soc Open Sci 2022; 9:211874. [PMID: 35360352 PMCID: PMC8965395 DOI: 10.1098/rsos.211874] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Accepted: 03/01/2022] [Indexed: 05/03/2023]
Abstract
REBa2Cu3O7- δ (RE123, RE: rare earth) is one of the high-temperature superconductors with a transition temperature (T c) exceeding 90 K. Because of its high-T c and large critical current density (J c) under magnetic fields, RE123 superconductors have been expected to play a key role in superconductivity application. To accelerate application researches on RE123-based devices, further improvements of J c characteristics have been desired. In this study, we investigated the effects of high-entropy alloying at the RE site on the superconducting properties, through the measurements of local (intra-grain) J c ( J c local ) by a remanent magnetization method. We found that J c local shows a trend to be improved when four or five RE elements are mixed at the RE site, which results in high configurational entropy of mixing (ΔS mix). All samples exhibited an order of few MA cm-2 which is a criterion for practical application and the highest J c local resulted in a value of around 7.0 MA cm-2 at T = 2.0 K. Because high-entropy alloying can improve J c local of RE123 superconductors, our entropy-engineering strategy introduced here would be useful for the development of RE123 superconducting materials available under high magnetic fields.
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Affiliation(s)
- Aichi Yamashita
- Department of Physics, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
| | - Yuta Shukunami
- Department of Physics, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
| | - Yoshikazu Mizuguchi
- Department of Physics, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
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24
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Li F, Han W, Cao Z, Ji S, Wang H, Wang L, Wu H, Zhu Y, Pu Y. Two novel semiconducting B 2 CO monolayers with high carrier mobilities. J Comput Chem 2021; 42:2024-2030. [PMID: 34427337 DOI: 10.1002/jcc.26735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Revised: 07/22/2021] [Accepted: 07/28/2021] [Indexed: 11/09/2022]
Abstract
The design of new two-dimensional (2D) materials with moderate band gaps and high carrier mobility is an important aspiration for materials innovation. Recent studies have shown that boron and oxygen atoms can be integrated into the graphene lattice to form a stable B-C-O monolayer structure. To search for the most energetically stable configuration for 2D B-C-O, here, we theoretically propose two new 2D B-C-O crystal structures with a stoichiometric ratio of 2:1:1, namely monolayer (1 L) C3v - and C2v -B2 CO. Two configurations have 0.09 and 0.03 eV/unit cell lower energies than the reported 1 L Cs -B2 CO configuration (Nanoscale 2016, 8, 8910). This result is further confirmed by particle swarm optimization (PSO) calculations. According to the chemical bonding analysis, 1 L C3v -B2 CO with a quasi-planar configuration has the lowest energy, which is consisted of three strong B'-O σ-bonds, three B″-C σ-bonds, and one B'-C σ-bond. As a result, 2D B2 CO has an ultra-high mechanical strength of ~366 J m-2 , comparable to graphene ~352 J m-2 . In addition, 1 L C3v -B2 CO is a semiconductor with an HSE06 bandgap of 2.57 eV, and it has a high electron mobility of up to ~150 cm2 v-1 s-1 . The high kinetic and thermodynamic stabilities of both 1 L C3v - and C2v -B2 CO were confirmed according to phonon dispersion and molecular dynamic simulation. Comparable to that of crystalline silicon, 1 L C3v -B2 CO also shows a high light absorption intensity in the 400-550 nm region. Therefore, 2D C3v -B2 CO will have promising applications in semiconductor devices and photodetectors.
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Affiliation(s)
- Feng Li
- New Energy Technology Engineering Laboratory of Jiangsu Provence & School of Science, Nanjing University of Posts and Telecommunications (NUPT), Nanjing, China
| | - Weibo Han
- New Energy Technology Engineering Laboratory of Jiangsu Provence & School of Science, Nanjing University of Posts and Telecommunications (NUPT), Nanjing, China
| | - Zhi Cao
- New Energy Technology Engineering Laboratory of Jiangsu Provence & School of Science, Nanjing University of Posts and Telecommunications (NUPT), Nanjing, China
| | - Shilei Ji
- New Energy Technology Engineering Laboratory of Jiangsu Provence & School of Science, Nanjing University of Posts and Telecommunications (NUPT), Nanjing, China
| | - Haiyun Wang
- New Energy Technology Engineering Laboratory of Jiangsu Provence & School of Science, Nanjing University of Posts and Telecommunications (NUPT), Nanjing, China
| | - Lixia Wang
- New Energy Technology Engineering Laboratory of Jiangsu Provence & School of Science, Nanjing University of Posts and Telecommunications (NUPT), Nanjing, China
| | - Hong Wu
- New Energy Technology Engineering Laboratory of Jiangsu Provence & School of Science, Nanjing University of Posts and Telecommunications (NUPT), Nanjing, China
| | - Yuping Zhu
- New Energy Technology Engineering Laboratory of Jiangsu Provence & School of Science, Nanjing University of Posts and Telecommunications (NUPT), Nanjing, China
| | - Yong Pu
- New Energy Technology Engineering Laboratory of Jiangsu Provence & School of Science, Nanjing University of Posts and Telecommunications (NUPT), Nanjing, China
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Dierichs K, Menges A. Designing architectural materials: from granular form to functional granular material. Bioinspir Biomim 2021; 16:065010. [PMID: 34555826 DOI: 10.1088/1748-3190/ac2987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Accepted: 09/23/2021] [Indexed: 06/13/2023]
Abstract
Designed granular materials are a novel class of architectural material system. Following one of the key paradigms of designed matter, material form and material function are closely interrelated in these systems. In this context, the article aims to contribute a parametric particle design model as an interface for this interrelation. A granular material is understood as an aggregation of large numbers of individual particles between which only short-range repulsive contact forces are acting. Granular materials are highly pertinent material systems for architecture. Due to the fact that they can act both as a solid and a liquid, they can be recycled and reconfigured multiple times and are thus highly sustainable. Designed granular materials have the added potential that the function of the granular material can be calibrated through the definition of the particles' form. Research on the design of granular materials in architecture is nascent. In physics they have been explored mainly with respect to different particle shapes. However, no coherent parametric particle design model of designed particle shapes for granular material systems in architecture has yet been established which considers both fabrication constraints and simulation requirements. The parametric particle design model proposed in this article has been based on a design system which has been developed through feasibility tests and simulations conducted in research and teaching. Based on this design system the parametric particle design model is developed integrating both fabrication constraints for architecture-scale particle systems and the geometric requirements of established simulation methods for granular materials. Initially the design system and related feasibility tests are presented. The parametric particle design model resulting from that is then described in detail. Directions of further research are discussed especially with respect to the integration of the parametric particle design model in 'inverse' design methods.
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Affiliation(s)
- Karola Dierichs
- Institute for Computational Design and Construction (ICD), University of Stuttgart, Stuttgart, Germany
- Department of Biomaterials, Max Planck Institute of Colloids and Interfaces (MPICI), Potsdam, Germany
- weißensee school of art and design berlin (khb), Berlin, Germany
- Cluster of Excellence Matters of Activity (MoA), Humboldt-Universität zu Berlin, Berlin, Germany
| | - Achim Menges
- Institute for Computational Design and Construction (ICD), University of Stuttgart, Stuttgart, Germany
- Cluster of Excellence Integrative Computational Design and Construction for Architecture (IntCDC), University of Stuttgart, Stuttgart, Germany
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26
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La Gala A, Fiorio R, Ceretti DVA, Erkoç M, Cardon L, D'hooge DR. A Combined Experimental and Modeling Study for Pellet-Fed Extrusion-Based Additive Manufacturing to Evaluate the Impact of the Melting Efficiency. Materials (Basel) 2021; 14:5566. [PMID: 34639963 DOI: 10.3390/ma14195566] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 09/08/2021] [Accepted: 09/21/2021] [Indexed: 11/24/2022]
Abstract
To improve the product quality of polymeric parts realized through extrusion-based additive manufacturing (EAM) utilizing pellets, a good control of the melting is required. In the present work, we demonstrate the strength of a previously developed melt removal using a drag framework to support such improvement. This model, downscaled from conventional extrusion, is successfully validated for pellet-based EAM—hence, micro-extrusion—employing three material types with different measured rheological behavior, i.e., acrylonitrile-butadiene-styrene (ABS), polylactic acid (PLA) and styrene-ethylene-butylene-styrene polymer (SEBS). The model’s validation is made possible by conducting for the first time dedicated EAM screw-freezing experiments combined with appropriate image/data analysis and inputting rheological data. It is showcased that the (overall) processing temperature is crucial to enable similar melting efficiencies. The melting mechanism can vary with the material type. For ABS, an initially large contribution of viscous heat dissipation is observed, while for PLA and SEBS thermal conduction is always more relevant. It is highlighted based on scanning electron microscopy (SEM) analysis that upon properly tuning the finalization of the melting point within the envisaged melting zone, better final material properties are achieved. The model can be further used to find an optimal balance between processing time (e.g., by variation of the screw frequency) and material product performance (e.g., strength of the printed polymeric part).
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Wenz F, Schmidt I, Leichner A, Lichti T, Baumann S, Andrae H, Eberl C. Designing Shape Morphing Behavior through Local Programming of Mechanical Metamaterials. Adv Mater 2021; 33:e2008617. [PMID: 34338367 DOI: 10.1002/adma.202008617] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 05/17/2021] [Indexed: 06/13/2023]
Abstract
Shape morphing implicates that a specific condition leads to a morphing reaction. The material thus transforms from one shape to another in a predefined manner. In this paper, not only the target shape but rather the evolution of the material's shape as a function of the applied strain is programmed. To rationalize the design process, concepts from informatics (processing functions, for example, Poisson's ratio (PR) as function of strain: ν = f(ε) and if-then-else conditions) will be introduced. Three types of shape morphing behavior will be presented: (1) achieving a target shape by linearly increasing the amplitude of the shape, (2) filling up a target shape in linear steps, and (3) shifting a bulge through the material to a target position. In the first case, the shape is controlled by a geometric gradient within the material. The filling kind of behavior was implemented by logical operations. Moreover, programming moving hillocks (3) requires to implement a sinusoidal function εy = sin (εx ) and an if-then-else statement into the unit cells combined with a global stiffness gradient. The three cases will be used to show how the combination of mechanical mechanisms as well as the related parameter distribution enable a programmable shape morphing behavior in an inverse design process.
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Affiliation(s)
- Franziska Wenz
- Fraunhofer Institute for Mechanics of Materials (IWM), 79108, Freiburg, Germany
- Institute for Microsystems Engineering, Albert-Ludwigs University of Freiburg, 79110, Freiburg, Germany
| | - Ingo Schmidt
- Fraunhofer Institute for Mechanics of Materials (IWM), 79108, Freiburg, Germany
| | - Alexander Leichner
- Fraunhofer Institute for Industrial Mathematics (ITWM), 67663, Kaiserslautern, Germany
| | - Tobias Lichti
- Fraunhofer Institute for Industrial Mathematics (ITWM), 67663, Kaiserslautern, Germany
| | - Sascha Baumann
- Fraunhofer Institute for Chemical Technology (ICT), 76327, Pfinztal, Germany
| | - Heiko Andrae
- Fraunhofer Institute for Industrial Mathematics (ITWM), 67663, Kaiserslautern, Germany
| | - Christoph Eberl
- Fraunhofer Institute for Mechanics of Materials (IWM), 79108, Freiburg, Germany
- Institute for Microsystems Engineering, Albert-Ludwigs University of Freiburg, 79110, Freiburg, Germany
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28
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Li T, Luo S, Wang X, Zhang L. Alternative Lone-Pair ns 2 -Cation-Based Semiconductors beyond Lead Halide Perovskites for Optoelectronic Applications. Adv Mater 2021; 33:e2008574. [PMID: 34060151 DOI: 10.1002/adma.202008574] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 03/22/2021] [Indexed: 06/12/2023]
Abstract
Lead halide perovskites have emerged in the last decade as advantageous high-performance optoelectronic semiconductors, and have undergone rapid development for diverse applications such as solar cells, light-emitting diodes , and photodetectors. While material instability and lead toxicity are still major concerns hindering their commercialization, they offer promising prospects and design principles for developing promising optoelectronic materials. The distinguished optoelectronic properties of lead halide perovskites stem from the Pb2+ cation with a lone-pair 6s2 electronic configuration embedded in a mixed covalent-ionic bonding lattice. Herein, we summarize alternative Pb-free semiconductors containing lone-pair ns2 cations, intending to offer insights for developing potential optoelectronic materials other than lead halide perovskites. We start with the physical underpinning of how the ns2 cations within the material lattice allow for superior optoelectronic properties. We then review the emerging Pb-free semiconductors containing ns2 cations in terms of structural dimensionality, which is crucial for optoelectronic performance. For each category of materials, the research progresses on crystal structures, electronic/optical properties, device applications, and recent efforts for performance enhancements are overviewed. Finally, the issues hindering the further developments of studied materials are surveyed along with possible strategies to overcome them, which also provides an outlook on the future research in this field.
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Affiliation(s)
- Tianshu Li
- State Key Laboratory of Integrated Optoelectronics, Key Laboratory of Automobile Materials of MOE, and School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
| | - Shulin Luo
- State Key Laboratory of Integrated Optoelectronics, Key Laboratory of Automobile Materials of MOE, and School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
| | - Xinjiang Wang
- State Key Laboratory of Integrated Optoelectronics, Key Laboratory of Automobile Materials of MOE, and School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
| | - Lijun Zhang
- State Key Laboratory of Integrated Optoelectronics, Key Laboratory of Automobile Materials of MOE, and School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
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29
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Quiñonez PA, Ugarte-Sanchez L, Bermudez D, Chinolla P, Dueck R, Cavender-Word TJ, Roberson DA. Design of Shape Memory Thermoplastic Material Systems for FDM-Type Additive Manufacturing. Materials (Basel) 2021; 14:ma14154254. [PMID: 34361448 PMCID: PMC8347899 DOI: 10.3390/ma14154254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/27/2021] [Accepted: 07/28/2021] [Indexed: 11/16/2022]
Abstract
The work presented here describes a paradigm for the design of materials for additive manufacturing platforms based on taking advantage of unique physical properties imparted upon the material by the fabrication process. We sought to further investigate past work with binary shape memory polymer blends, which indicated that phase texturization caused by the fused filament fabrication (FFF) process enhanced shape memory properties. In this work, two multi-constituent shape memory polymer systems were developed where the miscibility parameter was the guide in material selection. A comparison with injection molded specimens was also carried out to further investigate the ability of the FFF process to enable enhanced shape memory characteristics as compared to other manufacturing methods. It was found that blend combinations with more closely matching miscibility parameters were more apt at yielding reliable shape memory polymer systems. However, when miscibility parameters differed, a pathway towards the creation of shape memory polymer systems capable of maintaining more than one temporary shape at a time was potentially realized. Additional aspects related to impact modifying of rigid thermoplastics as well as thermomechanical processing on induced crystallinity are also explored. Overall, this work serves as another example in the advancement of additive manufacturing via materials development.
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Affiliation(s)
- Paulina A. Quiñonez
- Polymer Extrusion Lab, The University of Texas at El Paso, El Paso, TX 79968, USA; (P.A.Q.); (L.U.-S.); (D.B.); (P.C.); (R.D.); (T.J.C.-W.)
- Department of Metallurgical, Materials and Biomedical Engineering, The University of Texas at El Paso, El Paso, TX 79968, USA
| | - Leticia Ugarte-Sanchez
- Polymer Extrusion Lab, The University of Texas at El Paso, El Paso, TX 79968, USA; (P.A.Q.); (L.U.-S.); (D.B.); (P.C.); (R.D.); (T.J.C.-W.)
- Department of Metallurgical, Materials and Biomedical Engineering, The University of Texas at El Paso, El Paso, TX 79968, USA
| | - Diego Bermudez
- Polymer Extrusion Lab, The University of Texas at El Paso, El Paso, TX 79968, USA; (P.A.Q.); (L.U.-S.); (D.B.); (P.C.); (R.D.); (T.J.C.-W.)
- Department of Metallurgical, Materials and Biomedical Engineering, The University of Texas at El Paso, El Paso, TX 79968, USA
| | - Paulina Chinolla
- Polymer Extrusion Lab, The University of Texas at El Paso, El Paso, TX 79968, USA; (P.A.Q.); (L.U.-S.); (D.B.); (P.C.); (R.D.); (T.J.C.-W.)
- Department of Metallurgical, Materials and Biomedical Engineering, The University of Texas at El Paso, El Paso, TX 79968, USA
| | - Rhyan Dueck
- Polymer Extrusion Lab, The University of Texas at El Paso, El Paso, TX 79968, USA; (P.A.Q.); (L.U.-S.); (D.B.); (P.C.); (R.D.); (T.J.C.-W.)
- Department of Metallurgical, Materials and Biomedical Engineering, The University of Texas at El Paso, El Paso, TX 79968, USA
| | - Truman J. Cavender-Word
- Polymer Extrusion Lab, The University of Texas at El Paso, El Paso, TX 79968, USA; (P.A.Q.); (L.U.-S.); (D.B.); (P.C.); (R.D.); (T.J.C.-W.)
- Department of Metallurgical, Materials and Biomedical Engineering, The University of Texas at El Paso, El Paso, TX 79968, USA
| | - David A. Roberson
- Polymer Extrusion Lab, The University of Texas at El Paso, El Paso, TX 79968, USA; (P.A.Q.); (L.U.-S.); (D.B.); (P.C.); (R.D.); (T.J.C.-W.)
- Department of Metallurgical, Materials and Biomedical Engineering, The University of Texas at El Paso, El Paso, TX 79968, USA
- Correspondence: ; Tel.: +1-915-747-5924
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30
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Gicha BB, Tufa LT, Kang S, Goddati M, Bekele ET, Lee J. Transition Metal-Based 2D Layered Double Hydroxide Nanosheets: Design Strategies and Applications in Oxygen Evolution Reaction. Nanomaterials (Basel) 2021; 11:1388. [PMID: 34070272 PMCID: PMC8225180 DOI: 10.3390/nano11061388] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 05/16/2021] [Accepted: 05/19/2021] [Indexed: 01/06/2023]
Abstract
Water splitting driven by renewable energy sources is considered a sustainable way of hydrogen production, an ideal fuel to overcome the energy issue and its environmental challenges. The rational design of electrocatalysts serves as a critical point to achieve efficient water splitting. Layered double hydroxides (LDHs) with two-dimensionally (2D) layered structures hold great potential in electrocatalysis owing to their ease of preparation, structural flexibility, and tenability. However, their application in catalysis is limited due to their low activity attributed to structural stacking with irrational electronic structures, and their sluggish mass transfers. To overcome this challenge, attempts have been made toward adjusting the morphological and electronic structure using appropriate design strategies. This review highlights the current progress made on design strategies of transition metal-based LDHs (TM-LDHs) and their application as novel catalysts for oxygen evolution reactions (OERs) in alkaline conditions. We describe various strategies employed to regulate the electronic structure and composition of TM-LDHs and we discuss their influence on OER performance. Finally, significant challenges and potential research directions are put forward to promote the possible future development of these novel TM-LDHs catalysts.
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Affiliation(s)
- Birhanu Bayissa Gicha
- Department of Chemistry, Chungnam National University, Daejeon 34134, Korea; (B.B.G.); (S.K.)
| | - Lemma Teshome Tufa
- Department of Applied Chemistry, Adama Science and Technology University, P.O. Box 1888, Adama 1888, Ethiopia; (L.T.T.); (E.T.B.)
| | - Sohyun Kang
- Department of Chemistry, Chungnam National University, Daejeon 34134, Korea; (B.B.G.); (S.K.)
| | - Mahendra Goddati
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, Daejeon 34134, Korea;
| | - Eneyew Tilahun Bekele
- Department of Applied Chemistry, Adama Science and Technology University, P.O. Box 1888, Adama 1888, Ethiopia; (L.T.T.); (E.T.B.)
| | - Jaebeom Lee
- Department of Chemistry, Chungnam National University, Daejeon 34134, Korea; (B.B.G.); (S.K.)
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, Daejeon 34134, Korea;
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31
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Magisano D, Liguori F, Madeo A, Leonetti L, Garcea G. Material Design for Optimal Postbuckling Behaviour of Composite Shells. Materials (Basel) 2021; 14:1665. [PMID: 33800698 DOI: 10.3390/ma14071665] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 03/23/2021] [Accepted: 03/24/2021] [Indexed: 11/20/2022]
Abstract
Lightweight thin-walled structures are crucial for many engineering applications. Advanced manufacturing methods are enabling the realization of composite materials with spatially varying material properties. Variable angle tow fibre composites are a representative example, but also nanocomposites are opening new interesting possibilities. Taking advantage of these tunable materials requires the development of computational design methods. The failure of such structures is often dominated by buckling and can be very sensitive to material configuration and geometrical imperfections. This work is a review of the recent computational developments concerning the optimisation of the response of composite thin-walled structures prone to buckling, showing how baseline products with unstable behaviour can be transformed in stable ones operating safely in the post-buckling range. Four main aspects are discussed: mechanical and discrete models for composite shells, material parametrization and objective function definition, solution methods for tracing the load-displacement path and assessing the imperfection sensitivity, structural optimisation algorithms. A numerical example of optimal material design for a curved panel is also illustrated.
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32
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Yang Z, Fan J, Liu Y, Nie J, Yang Z, Kang Y. Strengthening and Weakening Effects of Particles on Strength and Ductility of SiC Particle Reinforced Al-Cu-Mg Alloys Matrix Composites. Materials (Basel) 2021; 14:ma14051219. [PMID: 33807575 PMCID: PMC7961764 DOI: 10.3390/ma14051219] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 02/21/2021] [Accepted: 02/26/2021] [Indexed: 12/05/2022]
Abstract
The strengthening and weakening effects of SiC particles on composite strength and ductility were studied. Al-Cu-Mg alloys matrices with three different mechanical properties were used. Their yield strength, ultimate strength, and elongation range from 90 to 379 MPa, 131 to 561 MPa, and 18% to 31%, respectively. SiC particles with sizes of 4, 8, 12, 15, 20, and 30 μm were used to reinforce these three matrices, separately, and the composites of eighteen combinations of the particle sizes and matrix strengths were manufactured. Yield strength, ultimate strength, elongation, and fracture morphology of these composites were characterized. Based on the analysis, the strengthening to weakening behavior on strength and ductility were comprehensively discussed. The critical particle size having the best ductility was obtained. The strengthening limit and match range of the particle and the matrix to achieve effective strengthening were defined as a function of the particle size and matrix strength. This work offers an important reference for optimization of mechanical properties of the particle-reinforced metal matrix composites.
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Affiliation(s)
- Zhiyu Yang
- National Engineering & Technology Research Center for Non-Ferrous Metals Composites, GRINM Group Corporation Limited, Beijing 101407, China;
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 10083, China;
- GRINM Metal Composites Technology Co. Ltd., Beijing 101407, China; (Y.L.); (J.N.); (Z.Y.)
- General Research Institute for Nonferrous Metals, Beijing 100088, China
| | - Jianzhong Fan
- GRINM Metal Composites Technology Co. Ltd., Beijing 101407, China; (Y.L.); (J.N.); (Z.Y.)
- Correspondence: ; Tel.: +86-010-6066-2691
| | - Yanqiang Liu
- GRINM Metal Composites Technology Co. Ltd., Beijing 101407, China; (Y.L.); (J.N.); (Z.Y.)
| | - Junhui Nie
- GRINM Metal Composites Technology Co. Ltd., Beijing 101407, China; (Y.L.); (J.N.); (Z.Y.)
| | - Ziyue Yang
- GRINM Metal Composites Technology Co. Ltd., Beijing 101407, China; (Y.L.); (J.N.); (Z.Y.)
| | - Yonglin Kang
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 10083, China;
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Yang Z, Fan J, Liu Y, Nie J, Yang Z, Kang Y. Effect of the Particle Size and Matrix Strength on Strengthening and Damage Process of the Particle Reinforced Metal Matrix Composites. Materials (Basel) 2021; 14:675. [PMID: 33535667 DOI: 10.3390/ma14030675] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Revised: 01/23/2021] [Accepted: 01/26/2021] [Indexed: 11/25/2022]
Abstract
Roles of the particle, strengthening, and weakening during deformation of the particle reinforced metal matrix composite, were studied using in situ technique. Composites with three different strengths Al-Cu-Mg alloy matrices reinforced by three sizes SiC particles were manufactured and subjected to in situ tensile testing. Based on in situ observation, damage process, fraction and size distribution of the cracked particles were collected to investigate the behavior of the particle during composite deformation. The presence of the particle strengthens the composite, while the particle cracking under high load weakens the composite. This strengthening to weakening transformation is controlled by the damage process of the particle and decided by the particle strength, size distribution, and the matrix flow behavior together. With a proper match of the particle and matrix, an effective strengthening can be obtained. Finally, the effective match range of the particle and the matrix was defined as a function of the particle size and the matrix strength.
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Akhoundi B, Nabipour M, Hajami F, Band SS, Mosavi A. Calculating Filament Feed in the Fused Deposition Modeling Process to Correctly Print Continuous Fiber Composites in Curved Paths. Materials (Basel) 2020; 13:ma13204480. [PMID: 33050351 PMCID: PMC7600913 DOI: 10.3390/ma13204480] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 10/01/2020] [Accepted: 10/07/2020] [Indexed: 11/17/2022]
Abstract
Fused deposition modeling (FDM) is a popular additive manufacturing (AM) method that has attracted the attention of various industries due to its simplicity, cheapness, ability to produce complex geometric shapes, and high production speed. One of the effective parameters in this process is the filament feed presented in the production G-code. The filament feed is calculated according to the layer height, the extrusion width, and the length of the printing path. All required motion paths and filling patterns created by commercial software are a set of straight lines or circular arcs placed next to each other at a fixed distance. In special curved paths, the distance of adjacent paths is not equal at different points, and due to the weakness of common commercial software, it is not possible to create curved paths for proper printing. The creation of a special computer code that can be used to make various functions of curved paths was investigated in this study. The filament feed parameter was also studied in detail. Next, by introducing a correction technique, the filament feed was changed on the curved path to uniformly distribute the polymer material. Variable-stiffness composite samples consisting of curved fibers can be produced with the proposed method. The high quality of the printed samples confirms the suggested code and technique.
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Affiliation(s)
- Behnam Akhoundi
- Additive Manufacturing Laboratory, Faculty of Mechanical Engineering, Tarbiat Modares University, Tehran 14115-143, Iran; (B.A.); (M.N.)
| | - Mojtaba Nabipour
- Additive Manufacturing Laboratory, Faculty of Mechanical Engineering, Tarbiat Modares University, Tehran 14115-143, Iran; (B.A.); (M.N.)
| | - Faramarz Hajami
- Department of Mechanical Engineering, Faculty of Mechatronics, Karaj Branch, Islamic Azad University, Karaj 3149968111, Iran;
| | - Shahab S. Band
- Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam
- Future Technology Research Center, College of Future, National Yunlin University of Science and Technology 123 University Road, Section 3, Douliou, Yunlin 64002, Taiwan
- Correspondence: (S.S.B.); (A.M.)
| | - Amir Mosavi
- Faculty of Civil Engineering, Technische Universität Dresden, 01069 Dresden, Germany
- School of Economics and Business, Norwegian University of Life Sciences, 1430 Ås, Norway
- Kando Kalman Faculty of Electrical Engineering, Obuda University, 1034 Budapest, Hungary
- Correspondence: (S.S.B.); (A.M.)
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Shateri M, Sobhanigavgani Z, Alinasab A, Varamesh A, Hemmati-Sarapardeh A, Mosavi A, S S. Comparative Analysis of Machine Learning Models for Nanofluids Viscosity Assessment. Nanomaterials (Basel) 2020; 10:nano10091767. [PMID: 32906742 PMCID: PMC7558292 DOI: 10.3390/nano10091767] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 08/29/2020] [Accepted: 08/31/2020] [Indexed: 11/16/2022]
Abstract
The process of selecting a nanofluid for a particular application requires determining the thermophysical properties of nanofluid, such as viscosity. However, the experimental measurement of nanofluid viscosity is expensive. Several closed-form formulas for calculating the viscosity have been proposed by scientists based on theoretical and empirical methods, but these methods produce inaccurate results. Recently, a machine learning model based on the combination of seven baselines, which is called the committee machine intelligent system (CMIS), was proposed to predict the viscosity of nanofluids. CMIS was applied on 3144 experimental data of relative viscosity of 42 different nanofluid systems based on five features (temperature, the viscosity of the base fluid, nanoparticle volume fraction, size, and density) and returned an average absolute relative error (AARE) of 4.036% on the test. In this work, eight models (on the same dataset as the one used in CMIS), including two multilayer perceptron (MLP), each with Nesterov accelerated adaptive moment (Nadam) optimizer; two MLP, each with three hidden layers and Adamax optimizer; a support vector regression (SVR) with radial basis function (RBF) kernel; a decision tree (DT); tree-based ensemble models, including random forest (RF) and extra tree (ET), were proposed. The performance of these models at different ranges of input variables was assessed and compared with the ones presented in the literature. Based on our result, all the eight suggested models outperformed the baselines used in the literature, and five of our presented models outperformed the CMIS, where two of them returned an AARE less than 3% on the test data. Besides, the physical validity of models was studied by examining the physically expected trends of nanofluid viscosity due to changing volume fraction.
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Affiliation(s)
- Mohammadhadi Shateri
- Department of Electrical & Computer Engineering, McGill University, Montreal, QC H3A 2K6, Canada; (M.S.); (Z.S.); (A.A.)
| | - Zeinab Sobhanigavgani
- Department of Electrical & Computer Engineering, McGill University, Montreal, QC H3A 2K6, Canada; (M.S.); (Z.S.); (A.A.)
| | - Azin Alinasab
- Department of Electrical & Computer Engineering, McGill University, Montreal, QC H3A 2K6, Canada; (M.S.); (Z.S.); (A.A.)
| | - Amir Varamesh
- Department of Chemical & Petroleum Engineering, University of Calgary, Calgary, AB T2N 1N4, Canada;
| | - Abdolhossein Hemmati-Sarapardeh
- Department of Petroleum Engineering, Shahid Bahonar University of Kerman, Kerman 7616913439, Iran
- College of Construction Engineering, Jilin University, Changchun 130600, China
- Correspondence: (A.H.-S.); (A.M.); (S.S.)
| | - Amir Mosavi
- Faculty of Civil Engineering, Technische Universität Dresden, 01069 Dresden, Germany
- School of Economics and Business, Norwegian University of Life Sciences, 1430 Ås, Norway
- Institute of Automation, Kando Kalman Faculty of Electrical Engineering, Obuda University, 1034 Budapest, Hungary
- Correspondence: (A.H.-S.); (A.M.); (S.S.)
| | - Shahab S
- Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam
- Future Technology Research Center, College of Future, National Yunlin University of Science and Technology, 123 University Road, Section 3, Douliou, Yunlin 64002, Taiwan
- Correspondence: (A.H.-S.); (A.M.); (S.S.)
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Ren S, Sun Y, Zhang F, Travesset A, Wang CZ, Ho KM. Phase Diagram and Structure Map of Binary Nanoparticle Superlattices from a Lennard-Jones Model. ACS Nano 2020; 14:6795-6802. [PMID: 32479719 DOI: 10.1021/acsnano.0c00250] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
A first-principles prediction of the binary nanoparticle phase diagram assembled by solvent evaporation has eluded theoretical approaches. In this paper, we show that a binary system interacting through the Lennard-Jones (LJ) potential contains all experimental phases in which nanoparticles are effectively described as quasi hard spheres. We report a phase diagram consisting of 53 equilibrium phases, whose stability is quite insensitive to the microscopic details of the potentials, thus giving rise to some type of universality. Furthermore, we show that binary lattices may be understood as consisting of certain particle clusters, i.e., motifs, that provide a generalization of the four conventional Frank-Kasper polyhedral units. Our results show that metastable phases share the very same motifs as equilibrium phases. We discuss the connection with packing models, phase diagrams with repulsive potentials, and the prediction of likely experimental superlattices.
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Affiliation(s)
- Shang Ren
- Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, United States
- Ames Laboratory, U.S. Department of Energy, Ames, Iowa 50011, United States
| | - Yang Sun
- Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, United States
- Ames Laboratory, U.S. Department of Energy, Ames, Iowa 50011, United States
- Department of Applied Physics and Applied Mathematics, Columbia University, New York, New York 10027, United States
| | - Feng Zhang
- Ames Laboratory, U.S. Department of Energy, Ames, Iowa 50011, United States
| | - Alex Travesset
- Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, United States
- Ames Laboratory, U.S. Department of Energy, Ames, Iowa 50011, United States
| | - Cai-Zhuang Wang
- Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, United States
- Ames Laboratory, U.S. Department of Energy, Ames, Iowa 50011, United States
| | - Kai-Ming Ho
- Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, United States
- Ames Laboratory, U.S. Department of Energy, Ames, Iowa 50011, United States
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Duan L, Uddin A. Progress in Stability of Organic Solar Cells. Adv Sci (Weinh) 2020; 7:1903259. [PMID: 32537401 PMCID: PMC7284215 DOI: 10.1002/advs.201903259] [Citation(s) in RCA: 95] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 01/07/2020] [Accepted: 03/25/2020] [Indexed: 05/06/2023]
Abstract
The organic solar cell (OSC) is a promising emerging low-cost thin film photovoltaics technology. The power conversion efficiency (PCE) of OSCs has overpassed 16% for single junction and 17% for organic-organic tandem solar cells with the development of low bandgap organic materials synthesis and device processing technology. The main barrier of commercial use of OSCs is the poor stability of devices. Herein, the factors limiting the stability of OSCs are summarized. The limiting stability factors are oxygen, water, irradiation, heating, metastable morphology, diffusion of electrodes and buffer layers materials, and mechanical stress. The recent progress in strategies to increase the stability of OSCs is surveyed, such as material design, device engineering of active layers, employing inverted geometry, optimizing buffer layers, using stable electrodes and encapsulation materials. The International Summit on Organic Photovoltaic Stability guidelines are also discussed. The potential research strategies to achieve the required device stability and efficiency are highlighted, rendering possible pathways to facilitate the viable commercialization of OSCs.
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Affiliation(s)
- Leiping Duan
- School of Photovoltaic and Renewable Energy EngineeringUniversity of New South WalesSydneyNSW2052Australia
| | - Ashraf Uddin
- School of Photovoltaic and Renewable Energy EngineeringUniversity of New South WalesSydneyNSW2052Australia
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Abstract
Bacterial resistance to antibiotics is one of the biggest problems in the modern world. The prevention of bacterial spreading from hospitals to the community and vice versa is an issue we have to deal with. This review presents a vast potential of contemporary high-pressure techniques in the design of materials with antimicrobial activity. Scientists from all over the world came up with ideas on how to exploit extraordinary properties of supercritical fluids in the production of advantageous materials in an environmentally friendly way. The review summarizes reported methods and results.
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Affiliation(s)
- Irena Zizovic
- Faculty of Chemistry, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
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Abstract
Nucleic acid delivery provides effective options to control intracellular gene expression and protein production. Efficient delivery of nucleic acid typically requires delivery vehicles to facilitate the entry of nucleic acid into cells. Among non-viral delivery vehicles, cationic materials are favored because of their high loading capacity of nucleic acids and prominent cellular uptake efficiency through electrostatic interaction. However, cationic moieties at high dosage tend to induce severe cytotoxicity due to the interference on cell membrane integrity. In contrast, non-cationic materials present alternative delivery approaches with less safety concerns than cationic materials. In this Progress Report, principles of non-cationic material design for nucleic acid delivery are discussed. Examples of such non-cationic platforms are highlighted, including complexation or conjugation with nucleic acids and self-assembled nucleic acid structures.
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Affiliation(s)
- Ziwen Jiang
- Department of Chemistry, University of Massachusetts Amherst, Amherst, MA, 01003, USA
| | - S Thayumanavan
- Department of Chemistry, University of Massachusetts Amherst, Amherst, MA, 01003, USA
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Wang Y, Zhang H, Zhu J, Lü X, Li S, Zou R, Zhao Y. Antiperovskites with Exceptional Functionalities. Adv Mater 2020; 32:e1905007. [PMID: 31814165 DOI: 10.1002/adma.201905007] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Revised: 10/12/2019] [Indexed: 06/10/2023]
Abstract
ABX3 perovskites, as the largest family of crystalline materials, have attracted tremendous research interest worldwide due to their versatile multifunctionalities and the intriguing scientific principles underlying them. Their counterparts, antiperovskites (X3 BA), are actually electronically inverted perovskite derivatives, but they are not an ignorable family of functional materials. In fact, inheriting the flexible structural features of perovskites while being rich in cations at X sites, antiperovskites exhibit a diverse array of unconventional physical and chemical properties. However, rather less attention has been paid to these "inverse" analogs, and therefore, a comprehensive review is urgently needed to arouse general concern. Recent advances in novel antiperovskite materials and their exceptional functionalities are summarized, including superionic conductivity, superconductivity, giant magnetoresistance, negative thermal expansion, luminescence, and electrochemical energy conversion. In particular, considering the feasibility of the perovskite structure, a universal strategy for enhancing the performance of or generating new phenomena in antiperovskites is discussed from the perspective of solid-state chemistry. With more research enthusiasm, antiperovskites are highly anticipated to become a rising star family of functional materials.
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Affiliation(s)
- Yonggang Wang
- Beijing Key Lab of Advanced Battery Materials, Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing, 100871, China
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Beijing, 100094, China
| | - Hao Zhang
- Beijing Key Lab of Advanced Battery Materials, Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing, 100871, China
| | - Jinlong Zhu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Beijing, 100094, China
| | - Xujie Lü
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Beijing, 100094, China
| | - Shuai Li
- Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Ruqiang Zou
- Beijing Key Lab of Advanced Battery Materials, Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing, 100871, China
| | - Yusheng Zhao
- Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology, Shenzhen, 518055, China
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Ring TP, Langer SC. Design, Experimental and Numerical Characterization of 3D-Printed Porous Absorbers. Materials (Basel) 2019; 12:E3397. [PMID: 31627354 PMCID: PMC6829281 DOI: 10.3390/ma12203397] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 10/11/2019] [Accepted: 10/12/2019] [Indexed: 11/22/2022]
Abstract
The application of porous materials is a common measure for noise mitigation and in room acoustics. The prediction of the acoustic behavior applies material models, among which most are based on the Biot-parameters. Thereby, it is expected that, if more Biot-parameters are used, a better prediction can be obtained. Nevertheless, an estimation of the Biot-parameters from the geometric design of the material is possible for simple structures only. For common porous materials, the microstructure is typically unknown and characterized by homogenized quantities. This contribution introduces a methodology that enables the design and optimization of porous materials based on the Biot-parameters and connects these to microscopic geometric quantities. Therefore, artificial porous materials were manufactured using 3D-printing technology with a prescribed geometric design and the influence of different design variables was investigated. The Biot-parameters were identified with an inverse procedure and it can be shown that different Biot-parameters can be influenced by adjusting the geometric design variables. Based on these findings, a one-parameter optimization procedure of the material is set up to maximize the absorption characteristics in the frequency range of interest.
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Affiliation(s)
- Tobias P Ring
- TU Braunschweig, Institute for Acoustics, 38106 Braunschweig, Germany.
| | - Sabine C Langer
- TU Braunschweig, Institute for Acoustics, 38106 Braunschweig, Germany.
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Hopkins J, Fidanovski K, Lauto A, Mawad D. All-Organic Semiconductors for Electrochemical Biosensors: An Overview of Recent Progress in Material Design. Front Bioeng Biotechnol 2019; 7:237. [PMID: 31608275 PMCID: PMC6773807 DOI: 10.3389/fbioe.2019.00237] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 09/11/2019] [Indexed: 12/20/2022] Open
Abstract
Organic semiconductors remain of major interest in the field of bioelectrochemistry for their versatility in chemical and electrochemical behavior. These materials have been tailored using organic synthesis for use in cell stimulation, sustainable energy production, and in biosensors. Recent progress in the field of fully organic semiconductor biosensors is outlined in this review, with a particular emphasis on the synthetic tailoring of these semiconductors for their intended application. Biosensors ultimately function on the basis of a physical, optical or electrochemical change which occurs in the active material when it encounters the target analyte. Electrochemical biosensors are becoming increasingly popular among organic semiconductor biosensors, owing to their good detection performances, and simple operation. The analyte either interacts directly with the semiconductor material in a redox process or undergoes a redox process with a moiety such as an enzyme attached to the semiconductor material. The electrochemical signal is then transduced through the semiconductor material. The most recent examples of organic semiconductor biosensors are discussed here with reference to the material design of polymers with semiconducting backbones, specifically conjugated polymers, and polymer semiconducting dyes. We conclude that direct interaction between the analyte and the semiconducting material is generally more sensitive and cost effective, despite being currently limited by the need to identify, and synthesize selective sensing functionalities. It is also worth noting the potential roles of highly-sensitive, organic transistor devices and small molecule semiconductors, such as the photochromic and redox active molecule spiropyran, as polymer pendant groups in future biosensor designs.
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Affiliation(s)
- Jonathan Hopkins
- School of Materials Science and Engineering, University of New South Wales Sydney, Sydney, NSW, Australia.,Centre for Advanced Macromolecular Design, University of New South Wales Sydney, Sydney, NSW, Australia
| | - Kristina Fidanovski
- School of Materials Science and Engineering, University of New South Wales Sydney, Sydney, NSW, Australia.,Centre for Advanced Macromolecular Design, University of New South Wales Sydney, Sydney, NSW, Australia
| | - Antonio Lauto
- School of Science, Western Sydney University, Penrith, NSW, Australia
| | - Damia Mawad
- School of Materials Science and Engineering, University of New South Wales Sydney, Sydney, NSW, Australia.,Centre for Advanced Macromolecular Design, University of New South Wales Sydney, Sydney, NSW, Australia.,Australian Centre for NanoMedicine, ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, University of New South Wales Sydney, Sydney, NSW, Australia
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Chen K, Li L. Ordered Structures with Functional Units as a Paradigm of Material Design. Adv Mater 2019; 31:e1901115. [PMID: 31199019 DOI: 10.1002/adma.201901115] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 03/28/2019] [Indexed: 05/22/2023]
Abstract
Realizing new functions through the construction of ordered structures not only exists naturally in nature, but also in artificial materials. However, much research focuses more on the relationship between structure and performance rather than on the impact of functional units themselves. Reviewing previous research findings, a "paradigm" of material research is proposed, which is based on ordered structures with functional units (OSFU) such as compositions, phases, domains, and twins. The goal is to draw more intensive attention of researchers to this concept and thus to promote the development of this field toward a deeper and broader direction, producing highly influential research results.
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Affiliation(s)
- Kexin Chen
- Department of Engineering and Material Sciences, National Natural Science Foundation of China (NSFC), Beijing, 100085, P. R. China
| | - Liang Li
- Department of Engineering and Material Sciences, National Natural Science Foundation of China (NSFC), Beijing, 100085, P. R. China
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44
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Wang W, Yuan H, Li X, Shi P. Stress Concentration and Damage Factor Due to Central Elliptical Hole in Functionally Graded Panels Subjected to Uniform Tensile Traction. Materials (Basel) 2019; 12:ma12030422. [PMID: 30704079 PMCID: PMC6384607 DOI: 10.3390/ma12030422] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 01/25/2019] [Accepted: 01/27/2019] [Indexed: 11/16/2022]
Abstract
Functionally graded material (FGM) can optimize the mechanical properties of composites by designing the spatial variation of material properties. In this paper, the stress distribution of functionally graded panel with a central elliptical hole under uniaxial tensile load is analyzed. Based on the inhomogeneity variation and three different gradient directions, the effects of the inhomogeneity on the stress concentration factor and damage factor are discussed. The study results show that when Young's modulus increases with the distance from the hole, the stress concentration factor decreases compared with that of homogeneous material, and the optimal design of r-FGM is better than that of x-FGM and y-FGM when the tensile load. In addition, when the associated variation of ultimate stress is considered, the choice of scheme to reduce the failure index is related to the strength-modulus exponent ratio. When the strength-modulus exponent ratio is small, the failure index changes with the index of power-law, which means there is an optimal FGM design. But when the strength-modulus exponent ratio is large, the optimal design modulus design is to select a uniform material that maximizes the modulus at each point. These research results have a certain reference value for further in-depth understanding of the inhomogeneous design for FGM.
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Affiliation(s)
- Wenshuai Wang
- School of Mathematics and Statistics, Ningxia University, Yinchuan 750021, China.
| | - Hongting Yuan
- School of Mathematics and Statistics, Ningxia University, Yinchuan 750021, China.
| | - Xing Li
- School of Mathematics and Statistics, Ningxia University, Yinchuan 750021, China.
| | - Pengpeng Shi
- State Key Laboratory for Strength and Vibration of Mechanical Structures, Shaanxi Engineering Research Center of NDT and Structural Integrity Evaluation, School of Aerospace, Xi'an Jiaotong University, Xi'an 710049, China.
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Ferrer A, Cante J, Hernández J, Oliver J. Two-scale topology optimization in computational material design: An integrated approach. Int J Numer Methods Eng 2018; 114:232-254. [PMID: 29937579 PMCID: PMC5993332 DOI: 10.1002/nme.5742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 10/04/2017] [Accepted: 11/09/2017] [Indexed: 06/08/2023]
Abstract
In this work, a new strategy for solving multiscale topology optimization problems is presented. An alternate direction algorithm and a precomputed offline microstructure database (Computational Vademecum) are used to efficiently solve the problem. In addition, the influence of considering manufacturable constraints is examined. Then, the strategy is extended to solve the coupled problem of designing both the macroscopic and microscopic topologies. Full details of the algorithms and numerical examples to validate the methodology are provided.
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Affiliation(s)
- A. Ferrer
- Centre Internacional de Mètodes Numèrics en EnginyeriaUniversitat Politècnica de Catalunya, Campus NordBarcelonaSpain
- Escola Superior d'Enginyeries IndustrialAeroespacial i Audiovisual de Terrassa, Universitat Politècnica de Catalunya, Campus de TerrassaTerrassaSpain
| | - J.C. Cante
- Centre Internacional de Mètodes Numèrics en EnginyeriaUniversitat Politècnica de Catalunya, Campus NordBarcelonaSpain
- Escola Superior d'Enginyeries IndustrialAeroespacial i Audiovisual de Terrassa, Universitat Politècnica de Catalunya, Campus de TerrassaTerrassaSpain
| | - J.A. Hernández
- Centre Internacional de Mètodes Numèrics en EnginyeriaUniversitat Politècnica de Catalunya, Campus NordBarcelonaSpain
- Escola Superior d'Enginyeries IndustrialAeroespacial i Audiovisual de Terrassa, Universitat Politècnica de Catalunya, Campus de TerrassaTerrassaSpain
| | - J. Oliver
- Centre Internacional de Mètodes Numèrics en EnginyeriaUniversitat Politècnica de Catalunya, Campus NordBarcelonaSpain
- Escuela Técnica Superior de Ingenieros de Caminos, Canales y Puertos de BarcelonaUniversitat Politècnica de Catalunya, Campus NordBarcelonaSpain
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46
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Jun T, Kim J, Sasase M, Hosono H. Material Design of p-Type Transparent Amorphous Semiconductor, Cu-Sn-I. Adv Mater 2018; 30:e1706573. [PMID: 29380430 DOI: 10.1002/adma.201706573] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Revised: 12/18/2017] [Indexed: 06/07/2023]
Abstract
Transparent amorphous semiconductors (TAS) that can be fabricated at low temperature are key materials in the practical application of transparent flexible electronics. Although various n-type TAS materials with excellent performance, such as amorphous In-Ga-Zn-O (a-IGZO), are already known, no complementary p-type TAS has been realized to date. Here, a material design concept for p-type TAS materials is proposed utilizing the pseudo s-orbital nature of spatially spreading iodine 5p orbitals and amorphous Sn-containing CuI (a-CuSnI) thin film is reported as an example. The resulting a-CuSnI thin films fabricated by spin coating at low temperature (140 °C) have a smooth surface. The Hall mobility increases with the hole concentration and the largest mobility of ≈9 cm2 V-1 s-1 is obtained, which is comparable with that of conventional n-type TAS.
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Affiliation(s)
- Taehwan Jun
- Laboratory for Materials and Structures, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8503, Japan
| | - Junghwan Kim
- Materials Research Center for Element Strategy, Tokyo Institute of Technology, Mailbox SE-1, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8503, Japan
| | - Masato Sasase
- Materials Research Center for Element Strategy, Tokyo Institute of Technology, Mailbox SE-1, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8503, Japan
| | - Hideo Hosono
- Laboratory for Materials and Structures, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8503, Japan
- Materials Research Center for Element Strategy, Tokyo Institute of Technology, Mailbox SE-1, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8503, Japan
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47
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Wu Z, Li L, Yan J, Zhang X. Materials Design and System Construction for Conventional and New-Concept Supercapacitors. Adv Sci (Weinh) 2017; 4:1600382. [PMID: 28638780 PMCID: PMC5473330 DOI: 10.1002/advs.201600382] [Citation(s) in RCA: 124] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Revised: 10/25/2016] [Indexed: 05/19/2023]
Abstract
With the development of renewable energy and electrified transportation, electrochemical energy storage will be more urgent in the future. Supercapacitors have received extensive attention due to their high power density, fast charge and discharge rates, and long-term cycling stability. During past five years, supercapacitors have been boomed benefited from the development of nanostructured materials synthesis and the promoted innovation of devices construction. In this review, we have summarized the current state-of-the-art development on the fabrication of high-performance supercapacitors. From the electrode material perspective, a variety of materials have been explored for advanced electrode materials with smart material-design strategies such as carbonaceous materials, metal compounds and conducting polymers. Proper nanostructures are engineered to provide sufficient electroactive sites and enhance the kinetics of ion and electron transport. Besides, new-concept supercapacitors have been developed for practical application. Microsupercapacitors and fiber supercapacitors have been explored for portable and compact electronic devices. Subsequently, we have introduced Li-/Na-ion supercapacitors composed of battery-type electrodes and capacitor-type electrode. Integrated energy devices are also explored by incorporating supercapacitors with energy conversion systems for sustainable energy storage. In brief, this review provides a comprehensive summary of recent progress on electrode materials design and burgeoning devices constructions for high-performance supercapacitors.
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Affiliation(s)
- Zhong Wu
- State Key Laboratory of Rare Earth Resource UtilizationChangchun Institute of Applied ChemistryChinese Academy of SciencesChangchun130022China
- University of Chinese Academy of SciencesBeijing100049China
| | - Lin Li
- Key Laboratory of Automobile MaterialsMinistry of Education and School of Materials Science and EngineeringJilin UniversityChangchun130012China
| | - Jun‐min Yan
- Key Laboratory of Automobile MaterialsMinistry of Education and School of Materials Science and EngineeringJilin UniversityChangchun130012China
| | - Xin‐bo Zhang
- State Key Laboratory of Rare Earth Resource UtilizationChangchun Institute of Applied ChemistryChinese Academy of SciencesChangchun130022China
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48
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Lins CEC, Oliveira AAR, Gonzalez I, Macedo WAA, Pereira MM. Structural analysis of fluorine-containing bioactive glass nanoparticles synthesized by sol-gel route assisted by ultrasound energy. J Biomed Mater Res B Appl Biomater 2017; 106:360-366. [PMID: 28152262 DOI: 10.1002/jbm.b.33846] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Revised: 12/12/2016] [Accepted: 12/19/2016] [Indexed: 11/09/2022]
Abstract
In the last decades, studies about the specific effects of bioactive glass on remineralization of dentin were the focus of attention, due to their excellent regenerative properties in mineralized tissues. The incorporation of Fluorine in bioactive glass nanoparticles may result in the formation of fluorapatite (FAP), which is chemically more stable than hydroxyapatite or carbonated hydroxyapatite, and therefore is of interest for dental applications. The aim of this study was to synthesize and characterize a new system of Fluorine-containing bioactive glass nanoparticles (BGNPF). A sol-gel route assisted by ultrasound was used for the synthesis of BGNPF. The particles obtained were characterized by scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), atomic force microscopy (AFM), X-ray diffraction (XRD), dynamic light scattering (DLS), nitrogen adsorption, and X-ray photoelectron spectroscopy (XPS). SEM micrographs showed that the particles are quite uniform spherical nanostructures, occurring agglomeration or partial sinterization of the particulate system after heat treatment. XRD and XPS analysis results suggest the formation of fluorapatite crystals embedded within the matrix of the bioactive glass nanoparticles. © 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 106B: 360-366, 2018.
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Affiliation(s)
- Carolina E C Lins
- Departamento de Engenharia Metalúrgica e de Materiais, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Agda A R Oliveira
- Departamento de Engenharia Metalúrgica e de Materiais, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.,Department of Research and development, JHS Biomateriais, Sabará, Brazil
| | - Ismael Gonzalez
- Department of Applied Physics, Centro de Desenvolvimento da Tecnologia Nuclear, CDTN, Belo Horizonte, MG, Brazil
| | - Waldemar A A Macedo
- Department of Applied Physics, Centro de Desenvolvimento da Tecnologia Nuclear, CDTN, Belo Horizonte, MG, Brazil
| | - Marivalda M Pereira
- Departamento de Engenharia Metalúrgica e de Materiais, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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49
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Abstract
In the context of emerging methods to control particle organization in particle-matrix composite materials, we explore, using finite element analysis, how to modulate the material bulk mechanical stiffness. Compared to a composite containing randomly distributed particles, material stiffness is enhanced 100-fold when filler particles are aligned into linear chains lying parallel to the loading direction. In contrast, chains aligned perpendicular to that direction produce negligible stiffness change. These outcomes reveal how zigzag chains, which provide intermediate results, can modulate stiffness. The stiffness decreases gradually with increasing zigzag angle θ over a range spanning 2 orders of magnitude.
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Affiliation(s)
- Peiying J Tsai
- Department of Mechanical Engineering and ‡Department of Engineering Physics, McMaster University , 1280 Main Street West, Hamilton, Ontario L8S 4L7, Canada
| | - Suvojit Ghosh
- Department of Mechanical Engineering and ‡Department of Engineering Physics, McMaster University , 1280 Main Street West, Hamilton, Ontario L8S 4L7, Canada
| | - Peidong Wu
- Department of Mechanical Engineering and ‡Department of Engineering Physics, McMaster University , 1280 Main Street West, Hamilton, Ontario L8S 4L7, Canada
| | - Ishwar K Puri
- Department of Mechanical Engineering and ‡Department of Engineering Physics, McMaster University , 1280 Main Street West, Hamilton, Ontario L8S 4L7, Canada
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50
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Hwang H, Chang H, Sharma P, Letha AJ, Shao L, Zhang Y, Tseng B. Steps Towards Industrialization of Cu-III-VI 2Thin-Film Solar Cells:Linking Materials/Device Designs to Process Design For Non-stoichiometric Photovoltaic Materials. Adv Sci (Weinh) 2016; 3:1500196. [PMID: 27840790 PMCID: PMC5096115 DOI: 10.1002/advs.201500196] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2015] [Revised: 11/16/2015] [Indexed: 05/05/2023]
Abstract
The concept of in-line sputtering and selenization become industrial standard for Cu-III-VI2 solar cell fabrication, but still it's very difficult to control and predict the optical and electrical parameters, which are closely related to the chemical composition distribution of the thin film. The present review article addresses onto the material design, device design and process design using parameters closely related to the chemical compositions. Its variation leads to change in the Poisson equation, current equation, and continuity equation governing the device design. To make the device design much realistic and meaningful, we need to build a model that relates the opto-electrical properties to the chemical composition. The material parameters as well as device structural parameters are loaded into the process simulation to give a complete set of process control parameters. The neutral defect concentrations of non-stoichiometric CuMSe2 (M = In and Ga) have been calculated under the specific atomic chemical potential conditions using this methodology. The optical and electrical properties have also been investigated for the development of a full-function analytical solar cell simulator. The future prospects regarding the development of copper-indium-gallium-selenide thin film solar cells have also been discussed.
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Affiliation(s)
- Huey‐Liang Hwang
- Key Laboratory for Thin Film and Micro‐Fabrication Technology of the Ministry of EducationSchool of ElectronicsInformation and Electrical Engineeringand Photovoltaic Research CenterShanghai Jiao Tong University800 Dongchuan RoadShanghai200240China
- Institute of Electronic EngineeringNational Tsing Hua UniversityHsinchu300Taiwan ROC
| | - Hsueh‐Hsin Chang
- Institute of Electronic EngineeringNational Tsing Hua UniversityHsinchu300Taiwan ROC
| | - Poonam Sharma
- Key Laboratory for Thin Film and Micro‐Fabrication Technology of the Ministry of EducationSchool of ElectronicsInformation and Electrical Engineeringand Photovoltaic Research CenterShanghai Jiao Tong University800 Dongchuan RoadShanghai200240China
| | - Arya Jagadhamma Letha
- Institute of Electronic EngineeringNational Tsing Hua UniversityHsinchu300Taiwan ROC
| | - Lexi Shao
- School of Physics Science and TechnologyLingnan Normal UniversityZhanjiang534048China
| | - Yafei Zhang
- Key Laboratory for Thin Film and Micro‐Fabrication Technology of the Ministry of EducationSchool of ElectronicsInformation and Electrical Engineeringand Photovoltaic Research CenterShanghai Jiao Tong University800 Dongchuan RoadShanghai200240China
| | - Bae‐Heng Tseng
- Department of Materials and Optoelectronic ScienceNational Sun Yat‐Sen UniversityNo.70 Lien‐Hai RdKaohsiung80424Taiwan ROC
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