1
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Zhong J, Wen Z, Wu Y, Luo H, Liu G, Hu J, Song H, Wang T, Liang X, Zhou H, Huang W, Zhou H. A Bioinspired Design of Protective Al 2O 3/Polyurethane Hierarchical Composite Film Through Layer-By-Layer Deposition. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2402940. [PMID: 38767181 DOI: 10.1002/advs.202402940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 05/10/2024] [Indexed: 05/22/2024]
Abstract
Structural materials such as ceramics, metals, and carbon fiber-reinforced plastics (CFRP) are frequently threatened by large compressive and impact forces. Energy absorption layers, i.e., polyurethane and silicone foams with excellent damping properties, are applied on the surfaces of different substrates to absorb energy. However, the amount of energy dissipation and penetration resistance are limited in commercial polyurethane foams. Herein, a distinctive nacre-like architecture design strategy is proposed by integrating hard porous ceramic frameworks and flexible polyurethane buffers to improve energy absorption and impact resistance. Experimental investigations reveal the bioinspired designs exhibit optimized hardness, strength, and modulus compared to that of polyurethane. Due to the multiscale energy dissipation mechanisms, the resulting normalized absorbed energy (≈8.557 MJ m-3) is ≈20 times higher than polyurethane foams under 50% quasi-static compression. The bioinspired composites provide superior protection for structural materials (CFRP, glass, and steel), surpassing polyurethane films under impact loadings. It is shown CFRP coated with the designed materials can withstand more than ten impact loadings (in energy of 10 J) without obvious damage, which otherwise delaminates after a single impact. This biomimetic design strategy holds the potential to offer valuable insights for the development of lightweight, energy-absorbent, and impact-resistant materials.
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Affiliation(s)
- Jiaming Zhong
- State Key Laboratory of Materials Processing and Die and Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Zhixiong Wen
- State Key Laboratory of Materials Processing and Die and Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Yibo Wu
- Luoyang Ship Material Research Institute, Luoyang, 471023, China
| | - Hao Luo
- Luoyang Ship Material Research Institute, Luoyang, 471023, China
| | - Guodong Liu
- Luoyang Ship Material Research Institute, Luoyang, 471023, China
| | - Jianqiao Hu
- LNM, Institute of Mechanics, Chinese Academy of Sciences, Beijing, 100190, China
| | - Hengxu Song
- LNM, Institute of Mechanics, Chinese Academy of Sciences, Beijing, 100190, China
- School of Engineering Science, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Tao Wang
- National Key Laboratory of Explosion Science and Safety Protection, Beijing Institute of Technology, Beijing, 100081, China
| | - Xudong Liang
- School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China
| | - Helezi Zhou
- State Key Laboratory of Materials Processing and Die and Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Wei Huang
- State Key Laboratory of Materials Processing and Die and Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Huamin Zhou
- State Key Laboratory of Materials Processing and Die and Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
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2
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Lu J, Wu W, Colombari FM, Jawaid A, Seymour B, Whisnant K, Zhong X, Choi W, Chalmpes N, Lahann J, Vaia RA, de Moura AF, Nepal D, Kotov NA. Nano-achiral complex composites for extreme polarization optics. Nature 2024; 630:860-865. [PMID: 38811736 DOI: 10.1038/s41586-024-07455-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 04/22/2024] [Indexed: 05/31/2024]
Abstract
Composites from 2D nanomaterials show uniquely high electrical, thermal and mechanical properties1,2. Pairing their robustness with polarization rotation is needed for hyperspectral optics in extreme conditions3,4. However, the rigid nanoplatelets have randomized achiral shapes, which scramble the circular polarization of photons with comparable wavelengths. Here we show that multilayer nanocomposites from 2D nanomaterials with complex textured surfaces strongly and controllably rotate light polarization, despite being nano-achiral and partially disordered. The intense circular dichroism (CD) in nanocomposite films originates from the diagonal patterns of wrinkles, grooves or ridges, leading to an angular offset between axes of linear birefringence (LB) and linear dichroism (LD). Stratification of the layer-by-layer (LBL) assembled nanocomposites affords precise engineering of the polarization-active materials from imprecise nanoplatelets with an optical asymmetry g-factor of 1.0, exceeding those of typical nanomaterials by about 500 times. High thermal resilience of the composite optics enables operating temperature as high as 250 °C and imaging of hot emitters in the near-infrared (NIR) part of the spectrum. Combining LBL engineered nanocomposites with achiral dyes results in anisotropic factors for circularly polarized emission approaching the theoretical limit. The generality of the observed phenomena is demonstrated by nanocomposite polarizers from molybdenum sulfide (MoS2), MXene and graphene oxide (GO) and by two manufacturing methods. A large family of LBL optical nanocomponents can be computationally designed and additively engineered for ruggedized optics.
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Affiliation(s)
- Jun Lu
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI, USA
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI, USA
- Center for Complex Particle Systems (COMPASS), University of Michigan, Ann Arbor, MI, USA
| | - Wenbing Wu
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI, USA
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI, USA
- Center for Complex Particle Systems (COMPASS), University of Michigan, Ann Arbor, MI, USA
| | - Felippe Mariano Colombari
- Brazilian Biorenewables National Laboratory, Brazilian Center for Research in Energy and Materials, Campinas, Brazil
| | - Ali Jawaid
- Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson AFB, Dayton, OH, USA
- UES, Inc., Dayton, OH, USA
| | | | - Kody Whisnant
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI, USA
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI, USA
- Center for Complex Particle Systems (COMPASS), University of Michigan, Ann Arbor, MI, USA
| | - Xiaoyang Zhong
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI, USA
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI, USA
| | - Wonjin Choi
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI, USA
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI, USA
| | - Nikolaos Chalmpes
- Department of Materials Science and Engineering, Cornell University, Ithaca, NY, USA
| | - Joerg Lahann
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI, USA
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI, USA
- Center for Complex Particle Systems (COMPASS), University of Michigan, Ann Arbor, MI, USA
| | - Richard A Vaia
- Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson AFB, Dayton, OH, USA.
| | | | - Dhriti Nepal
- Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson AFB, Dayton, OH, USA.
| | - Nicholas A Kotov
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI, USA.
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI, USA.
- Center for Complex Particle Systems (COMPASS), University of Michigan, Ann Arbor, MI, USA.
- Department of Materials Science and Engineering, University of Michigan, Ann Arbor, MI, USA.
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3
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Zhang X, Zhou J, Wu K, Zhang S, Xie L, Gong X, He L, Ni Y. Simultaneous Enhancement of Thermal Insulation and Impact Resistance in Transparent Bulk Composites. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2311817. [PMID: 38226720 DOI: 10.1002/adma.202311817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 12/25/2023] [Indexed: 01/17/2024]
Abstract
Transparent bulk glass is highly demanded in devices and components of daily life to transmit light and protect against external temperature and mechanical hazards. However, the application of glass is impeded by its poor functional performance, especially in terms of thermal isolation and impact resistance. Here, a glass composite integrating the nacre-inspired structure and shear stiffening gel (SSG) material is proposed. Benefiting from the combination of these two elements, this nacre-inspired SSG/glass composite (NSG) exhibits superior thermal insulation and impact resistance while maintaining transparency simultaneously. Specifically, the low thermal conductivity of the SSG combined with the anisotropic heat transfer capability of the nacre-inspired structure enhances the out-of-plane thermal insulation of NSG. The deformations over large volumes in nacre-inspired facesheets promote the deformation region of the SSG core, synergistic effect of tablet sliding mechanism in nacre-inspired structure and strain-rate enhancement in SSG material cause the superior impact resistance of overall panels in a wide range of impact velocities. NSG demonstrates outstanding properties such as transparency, light weight, impact resistance, and thermal insulation, which are major concerns for the application in engineering fields. In conclusion, this bioinspired SSG/glass composite opens new avenues to achieve comprehensive performance improvements for transparent structural materials.
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Affiliation(s)
- Xiao Zhang
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Jianyu Zhou
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Kaijin Wu
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Shuaishuai Zhang
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Lili Xie
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Xinglong Gong
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei, Anhui, 230026, China
- State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Linghui He
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Yong Ni
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei, Anhui, 230026, China
- State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Science, Beijing, 100190, China
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4
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Cho S, Kim M, Ahn J, Kim Y, Lim J, Park J, Kim HH, Kim WJ, Kim C. An ultrasensitive and broadband transparent ultrasound transducer for ultrasound and photoacoustic imaging in-vivo. Nat Commun 2024; 15:1444. [PMID: 38365897 PMCID: PMC10873420 DOI: 10.1038/s41467-024-45273-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 01/19/2024] [Indexed: 02/18/2024] Open
Abstract
Transparent ultrasound transducers (TUTs) can seamlessly integrate optical and ultrasound components, but acoustic impedance mismatch prohibits existing TUTs from being practical substitutes for conventional opaque ultrasound transducers. Here, we propose a transparent adhesive based on a silicon dioxide-epoxy composite to fabricate matching and backing layers with acoustic impedances of 7.5 and 4-6 MRayl, respectively. By employing these layers, we develop an ultrasensitive, broadband TUT with 63% bandwidth at a single resonance frequency and high optical transparency ( > 80%), comparable to conventional opaque ultrasound transducers. Our TUT maximises both acoustic power and transfer efficiency with maximal spectrum flatness while minimising ringdowns. This enables high contrast and high-definition dual-modal ultrasound and photoacoustic imaging in live animals and humans. Both modalities reach an imaging depth of > 15 mm, with depth-to-resolution ratios exceeding 500 and 370, respectively. This development sets a new standard for TUTs, advancing the possibilities of sensor fusion.
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Affiliation(s)
- Seonghee Cho
- Department of Electrical Engineering, Pohang University of Science and Technology, Pohang, Republic of Korea
- Medical Device Innovation Center, Pohang University of Science and Technology, Pohang, Republic of Korea
| | - Minsu Kim
- Medical Device Innovation Center, Pohang University of Science and Technology, Pohang, Republic of Korea
- Department of Convergence IT Engineering, Pohang University of Science and Technology, Pohang, Republic of Korea
| | - Joongho Ahn
- Medical Device Innovation Center, Pohang University of Science and Technology, Pohang, Republic of Korea
- Department of Convergence IT Engineering, Pohang University of Science and Technology, Pohang, Republic of Korea
| | - Yeonggeun Kim
- Medical Device Innovation Center, Pohang University of Science and Technology, Pohang, Republic of Korea
- Department of Convergence IT Engineering, Pohang University of Science and Technology, Pohang, Republic of Korea
| | - Junha Lim
- Department of Chemistry, Pohang University of Science and Technology, Pohang, Republic of Korea
| | - Jeongwoo Park
- Medical Device Innovation Center, Pohang University of Science and Technology, Pohang, Republic of Korea
- Department of Convergence IT Engineering, Pohang University of Science and Technology, Pohang, Republic of Korea
| | - Hyung Ham Kim
- Department of Electrical Engineering, Pohang University of Science and Technology, Pohang, Republic of Korea
- Medical Device Innovation Center, Pohang University of Science and Technology, Pohang, Republic of Korea
- Department of Convergence IT Engineering, Pohang University of Science and Technology, Pohang, Republic of Korea
| | - Won Jong Kim
- Department of Chemistry, Pohang University of Science and Technology, Pohang, Republic of Korea
- Department of Medical Science and Engineering, Pohang University of Science and Technology, Pohang, Republic of Korea
| | - Chulhong Kim
- Department of Electrical Engineering, Pohang University of Science and Technology, Pohang, Republic of Korea.
- Medical Device Innovation Center, Pohang University of Science and Technology, Pohang, Republic of Korea.
- Department of Convergence IT Engineering, Pohang University of Science and Technology, Pohang, Republic of Korea.
- Department of Medical Science and Engineering, Pohang University of Science and Technology, Pohang, Republic of Korea.
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, Republic of Korea.
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5
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Iyer D, Galadari M, Wirawan F, Huaco V, Martinez R, Gallagher MT, Pilon L, Ono K, Simonetti DA, Sant GN, Srivastava S. High-Strength Organic-Inorganic Composites with Superior Thermal Insulation and Acoustic Attenuation. ACS POLYMERS AU 2024; 4:86-97. [PMID: 38371729 PMCID: PMC10870751 DOI: 10.1021/acspolymersau.3c00037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 12/14/2023] [Accepted: 12/18/2023] [Indexed: 02/20/2024]
Abstract
We demonstrate facile fabrication of highly filled, lightweight organic-inorganic composites comprising polyurethanes covalently linked with naturally occurring clinoptilolite microparticles. These polyurethane/clinoptilolite (PUC) composites are shown to mitigate particle aggregation usually observed in composites with high particle loadings and possess enhanced thermal insulation and acoustic attenuation compared with conventionally employed materials (e.g., drywall and gypsum). In addition to these functional properties, the PUC composites also possess flexural strengths and strain capacities comparable to and higher than ordinary Portland cement (OPC), respectively, while being ∼1.5× lighter than OPC. The porosity, density, and mechanical and functional properties of these composites are tuned by systematically varying their composition (diisocyanate, polyurethane, and inorganic contents) and the nature of the organic (reactivity and source of polyol) components. The fabrication process involves mild curing conditions and uses commonly available reagents (naturally occurring aluminosilicate particles, polyols, and diisocyanate), thereby making the process scalable. Finally, the composite properties are shown to be independent of the polyol source (virgin or recycled), underlining the generality of this approach for the scalable utilization of recycled polyols.
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Affiliation(s)
- Divya Iyer
- Department
of Chemical and Biomolecular Engineering, University of California, Los Angeles, California 90095, United States
| | - Mohammad Galadari
- Department
of Chemical and Biomolecular Engineering, University of California, Los Angeles, California 90095, United States
| | - Fernaldy Wirawan
- Department
of Chemical and Biomolecular Engineering, University of California, Los Angeles, California 90095, United States
| | - Vanessa Huaco
- Department
of Chemical and Biomolecular Engineering, University of California, Los Angeles, California 90095, United States
| | - Ricardo Martinez
- Department
of Mechanical and Aerospace Engineering, University of California, Los
Angeles, California 90095, United States
| | | | - Laurent Pilon
- Department
of Mechanical and Aerospace Engineering, University of California, Los
Angeles, California 90095, United States
- Department
of Bioengineering, University of California, Los Angeles, California 90095, United States
| | - Kanji Ono
- Department
of Materials Science and Engineering, University
of California, Los Angeles, California 90095, United States
| | - Dante A. Simonetti
- Department
of Chemical and Biomolecular Engineering, University of California, Los Angeles, California 90095, United States
- Institute
for Carbon Management, University of California, Los Angeles, California 90095, United States
| | - Gaurav N. Sant
- Institute
for Carbon Management, University of California, Los Angeles, California 90095, United States
- Department
of Civil and Environmental Engineering, University of California, Los
Angeles, California 90095, United States
- California
NanoSystems Institute, University of California, Los Angeles, California 90095, United States
| | - Samanvaya Srivastava
- Department
of Chemical and Biomolecular Engineering, University of California, Los Angeles, California 90095, United States
- Institute
for Carbon Management, University of California, Los Angeles, California 90095, United States
- California
NanoSystems Institute, University of California, Los Angeles, California 90095, United States
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6
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Le Ferrand H, Goh BT, Teoh SH. Nacre-like ceramic composites: Properties, functions and fabrication in the context of dental restorations. Acta Biomater 2024; 173:66-79. [PMID: 38016510 DOI: 10.1016/j.actbio.2023.11.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 11/02/2023] [Accepted: 11/22/2023] [Indexed: 11/30/2023]
Abstract
Dental restorations are in increasing demand, yet their success rate strongly decreases after 5-10 years post-implantation, attributed in part to mismatching properties with the surrounding buccal environment that causes failures and wear. Among current research to address this issue, biomimetic approaches are promising. Nacre-like ceramic composites are particularly interesting because they combine multiple antagonistic properties making them more resistant to failure in harsh environment than other materials. With the rapid progress in 3D printing producing nacre-like structures has open up new opportunities not yet realised. In this paper, nacre-like composites of various compositions are reviewed in the context of hypothetical biomimetic dental restorations. Their structural, functional and biological properties are compared with those of dentin, enamel, and bone to determine which composition would be the most suitable for each of the 3 mineralized regions found in teeth. The role of complex microstructures and mineral orientations are discussed as well as 3D printing methods that allow the design and fabrication of such complex architectures. Finally, usage of these processes and anticipated prospects for next generation biomimetic dental replacements are discussed to suggest future research directions in this area. STATEMENT OF SIGNIFICANCE: With the current ageing population, dental health is a major issue and current dental restorations still have shortcomings. For the next generation of dental restorations, more biomimetic approaches would be desirable to increase their durability. Among current materials, nacre-like ceramic composites are interesting because they can approach the various structural properties found in the different parts of our teeth. Furthermore, it is also possible to embed self-sensing functionalities to enable monitoring of oral health. Finally, new recent 3D printing technologies now permit the fabrication of complex shapes with local compositions and local microstructures. With this current status of the research, we anticipate new dental restorations designs and highlight the remaining gaps and issues to address.
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Affiliation(s)
- Hortense Le Ferrand
- School of Mechanical and Aerospace Engineering, 50 Nanyang Avenue, Nanyang Technological University, 639798 Singapore; Singapore 3D Printing Centre, 50 Nanyang Avenue, Nanyang Technological University, 639798 Singapore.
| | - Bee Tin Goh
- National Dental Research Institute Singapore (NDRIS), National Dental Centre Singapore, 5 Second Hospital Avenue, 168938, Singapore
| | - Swee-Hin Teoh
- Centre for Advanced Medical Engineering, School of Materials Science and Engineering, Hunan University, China
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7
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Ding Z, Klein T, Barner-Kowollik C, Mirkhalaf M. Multifunctional nacre-like materials. MATERIALS HORIZONS 2023; 10:5371-5390. [PMID: 37882614 DOI: 10.1039/d3mh01015e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2023]
Abstract
Nacre, the iridescent inner layer of seashells, displays an exceptional combination of strength and toughness due to its 'brick-wall' architecture. Significant research has been devoted to replicating nacre's architecture and its associated deformation and failure mechanisms. Using the resulting materials in applications necessitates adding functionalities such as self-healing, force sensing, bioactivity, heat conductivity and resistance, transparency, and electromagnetic interference shielding. Herein, progress in the fabrication, mechanics, and multi-functionality of nacre-like materials, particularly over the past three years is systematically and critically reviewed. The fabrication techniques reviewed include 3D printing, freeze-casting, mixing/coating-assembling, and laser engraving. The mechanical properties of the resulting materials are discussed in comparison with their constituents and previously developed nacre mimics. Subsequently, the progress in incorporating multifunctionalities and the resulting physical, chemical, and biological properties are evaluated. We finally provide suggestions based on 3D/4D printing, advanced modelling techniques, and machine elements to make reprogrammable nacre-like components with complex shapes and small building blocks, tackling some of the main challenges in the science and translation of these materials.
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Affiliation(s)
- Zizhen Ding
- School of Mechanical, Medical and Process Engineering, Queensland University of Technology (QUT), 4000 Brisbane, QLD, Australia.
- Centre for Biomedical Technologies, Queensland University of Technology (QUT), 4059 Brisbane, QLD, Australia
| | - Travis Klein
- School of Mechanical, Medical and Process Engineering, Queensland University of Technology (QUT), 4000 Brisbane, QLD, Australia.
- Centre for Biomedical Technologies, Queensland University of Technology (QUT), 4059 Brisbane, QLD, Australia
| | - Christopher Barner-Kowollik
- School of Chemistry and Physics, Queensland University of Technology (QUT), 4000 Brisbane, QLD, Australia
- Centre for Materials Science, Queensland University of Technology (QUT), 4000 Brisbane, QLD, Australia
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Mohammad Mirkhalaf
- School of Mechanical, Medical and Process Engineering, Queensland University of Technology (QUT), 4000 Brisbane, QLD, Australia.
- Centre for Biomedical Technologies, Queensland University of Technology (QUT), 4059 Brisbane, QLD, Australia
- Centre for Materials Science, Queensland University of Technology (QUT), 4000 Brisbane, QLD, Australia
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8
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Sai T, Froufe-Pérez LS, Scheffold F, Wilts BD, Dufresne ER. Structural color from pigment-loaded nanostructures. SOFT MATTER 2023; 19:7717-7723. [PMID: 37789800 DOI: 10.1039/d3sm00961k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
Color can originate from wavelength-dependence in the absorption of pigments or the scattering of nanostructures. While synthetic colors are dominated by the former, vivid structural colors found in nature have inspired much research on the latter. However, many of the most vibrant colors in nature involve the interactions of structure and pigment. Here, we demonstrate that pigment can be exploited to efficiently create bright structural color at wavelengths outside its absorption band. We created pigment-enhanced Bragg reflectors by sequentially spin-coating layers of poly-vinyl alcohol (PVA) and polystyrene (PS) loaded with β-carotene (BC). With only 10 double layers, we achieved a peak reflectance over 0.8 at 550 nm and normal incidence. A pigment-free multilayer made of the same materials would require 25 double layers to achieve the same reflectance. Further, pigment loading suppressed the Bragg reflector's characteristic iridescence. Using numerical simulations, we further show that similar pigment loadings could significantly expand the gamut of non-iridescent colors addressable by photonic glasses.
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Affiliation(s)
- Tianqi Sai
- Department of Materials, ETH Zürich, 8093 Zürich, Switzerland.
| | | | - Frank Scheffold
- Department of Physics, University of Fribourg, 1700 Fribourg, Switzerland
| | - Bodo D Wilts
- Department of Chemistry and Physics of Materials University of Salzburg, 5020 Salzburg, Austria
| | - Eric R Dufresne
- Department of Materials, ETH Zürich, 8093 Zürich, Switzerland.
- Department of Materials Science and Engineering, Department of Physics, Cornell University, Ithaca, NY, 14850, USA
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9
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Amini S, Zhu T, Biswas A, Charsooghi MA, Kim K, Reber S, Dauphin Y, Fratzl P. Calcitic Prisms of The Giant Seashell Pinna Nobilis Form Light Guide Arrays. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2304166. [PMID: 37450944 DOI: 10.1002/adma.202304166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 07/07/2023] [Accepted: 07/10/2023] [Indexed: 07/18/2023]
Abstract
The shells of the Pinnidae family are based on a double layer of single-crystal-like calcitic prisms and inner aragonitic nacre, a structure known for its outstanding mechanical performance. However, on the posterior side, shells are missing the nacreous layer, which raises the question of whether there can be any functional role in giving up this mechanical performance. Here, it is demonstrated that the prismatic part of the Pinna nobilis shell exhibits unusual optical properties, whereby each prism acts as an individual optical fiber guiding the ambient light to the inner shell cavity by total internal reflection. This pixelated light channeling enhances both spatial resolution and contrast while reducing angular blurring, an apt combination for acute tracking of a moving object. These findings offer insights into the evolutionary aspects of light-sensing and imaging and demonstrate how an architectured optical system for efficient light-tracking can be based on birefringent ceramics.
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Affiliation(s)
- Shahrouz Amini
- Max Planck Institute of Colloids and Interfaces, Department of Biomaterials, 14476, Potsdam, Germany
| | - Tingting Zhu
- Max Planck Institute of Colloids and Interfaces, Department of Biomaterials, 14476, Potsdam, Germany
| | - Abin Biswas
- Max Planck Institute for Infection Biology, 10117, Berlin, Germany
- Max Planck Institute for the Science of Light, 91058, Erlangen, Germany
| | | | - Kyoohyun Kim
- Max Planck Institute for the Science of Light, 91058, Erlangen, Germany
| | - Simone Reber
- Max Planck Institute for Infection Biology, 10117, Berlin, Germany
| | - Yannicke Dauphin
- UMR 7205 ISYEB, Museum National d'histoire Naturelle, CNRS UPMC EPHE, 57 rue Cuvier, Paris, 75005, France
| | - Peter Fratzl
- Max Planck Institute of Colloids and Interfaces, Department of Biomaterials, 14476, Potsdam, Germany
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10
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Meng XS, Zhou LC, Liu L, Zhu YB, Meng YF, Zheng DC, Yang B, Rao QZ, Mao LB, Wu HA, Yu SH. Deformable hard tissue with high fatigue resistance in the hinge of bivalve Cristaria plicata. Science 2023; 380:1252-1257. [PMID: 37347869 DOI: 10.1126/science.ade2038] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 04/25/2023] [Indexed: 06/24/2023]
Abstract
The hinge of bivalve shells can sustain hundreds of thousands of repeating opening-and-closing valve motions throughout their lifetime. We studied the hierarchical design of the mineralized tissue in the hinge of the bivalve Cristaria plicata, which endows the tissue with deformability and fatigue resistance and consequently underlies the repeating motion capability. This folding fan-shaped tissue consists of radially aligned, brittle aragonite nanowires embedded in a resilient matrix and can translate external radial loads to circumferential deformation. The hard-soft complex microstructure can suppress stress concentration within the tissue. Coherent nanotwin boundaries along the longitudinal direction of the nanowires increase their resistance to bending fracture. The unusual biomineral, which exploits the inherent properties of each component through multiscale structural design, provides insights into the evolution of antifatigue structural materials.
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Affiliation(s)
- Xiang-Sen Meng
- Department of Chemistry, Institute of Biomimetic Materials and Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, New Cornerstone Science Laboratory, Division of Nanomaterials and Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
| | - Li-Chuan Zhou
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, CAS Center for Excellence in Complex System Mechanics, University of Science and Technology of China, Hefei 230027, China
- School of Mechanical Engineering, Hefei University of Technology, Hefei 230009, China
| | - Lei Liu
- Department of Chemistry, Institute of Biomimetic Materials and Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, New Cornerstone Science Laboratory, Division of Nanomaterials and Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
| | - Yin-Bo Zhu
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, CAS Center for Excellence in Complex System Mechanics, University of Science and Technology of China, Hefei 230027, China
| | - Yu-Feng Meng
- Department of Chemistry, Institute of Biomimetic Materials and Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, New Cornerstone Science Laboratory, Division of Nanomaterials and Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
| | - Dong-Chang Zheng
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, CAS Center for Excellence in Complex System Mechanics, University of Science and Technology of China, Hefei 230027, China
| | - Bo Yang
- Department of Chemistry, Institute of Biomimetic Materials and Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, New Cornerstone Science Laboratory, Division of Nanomaterials and Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
| | - Qi-Zhi Rao
- Anhui Shuyan Intelligent Technologies Co., Wuhu 241200, China
| | - Li-Bo Mao
- Department of Chemistry, Institute of Biomimetic Materials and Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, New Cornerstone Science Laboratory, Division of Nanomaterials and Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
| | - Heng-An Wu
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, CAS Center for Excellence in Complex System Mechanics, University of Science and Technology of China, Hefei 230027, China
| | - Shu-Hong Yu
- Department of Chemistry, Institute of Biomimetic Materials and Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, New Cornerstone Science Laboratory, Division of Nanomaterials and Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
- Institute of Innovative Materials, Department of Materials Science and Engineering, Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, China
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11
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Chen Y, Zheng Y, Zhou Y, Zhang W, Li W, She W, Liu J, Miao C. Multi-layered cement-hydrogel composite with high toughness, low thermal conductivity, and self-healing capability. Nat Commun 2023; 14:3438. [PMID: 37301895 DOI: 10.1038/s41467-023-39235-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 06/02/2023] [Indexed: 06/12/2023] Open
Abstract
The inherent quasi-brittleness of cement-based materials, due to the disorder of their hydration products and pore structures, present significant challenges for directional matrix toughening. In this work, a rigid layered skeleton of cement slurry was prepared using a simplified ice-template method, and subsequently flexible polyvinyl alcohol hydrogel was introduced into the unidirectional pores between neighboring cement platelets, resulting in the formation of a multi-layered cement-based composite. A toughness improvement of over 175 times is achieved by the implantation of such hard-soft alternatively layered microstructure. The toughening mechanism is the stretching of hydrogels at the nano-scale and deflections of micro-cracks at the interfaces, which avoid stress concentration and dissipate huge energy. Furthermore, this cement-hydrogel composite also exhibits a low thermal conductivity (around 1/10 of normal cement) and density, high specific strength and self-healing properties, which can be used in thermal insulation, seismic high-rise buildings and long-span bridges.
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Affiliation(s)
- Yuan Chen
- Jiangsu Key Laboratory of Construction Materials, School of Materials Science and Engineering, Southeast University, Nanjing, 211189, China
| | - Yangzezhi Zheng
- School of Transportation, Southeast University, Nanjing, 211189, China
| | - Yang Zhou
- Jiangsu Key Laboratory of Construction Materials, School of Materials Science and Engineering, Southeast University, Nanjing, 211189, China.
| | - Wei Zhang
- Jiangsu Key Laboratory of Advanced Metallic Materials, School of Materials Science and Engineering, Southeast University, Nanjing, 211189, China.
| | - Weihuan Li
- Jiangsu Key Laboratory of Construction Materials, School of Materials Science and Engineering, Southeast University, Nanjing, 211189, China
| | - Wei She
- Jiangsu Key Laboratory of Construction Materials, School of Materials Science and Engineering, Southeast University, Nanjing, 211189, China
| | - Jiaping Liu
- Jiangsu Key Laboratory of Construction Materials, School of Materials Science and Engineering, Southeast University, Nanjing, 211189, China
| | - Changwen Miao
- Jiangsu Key Laboratory of Construction Materials, School of Materials Science and Engineering, Southeast University, Nanjing, 211189, China
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12
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Liu F, Yang H, Feng X. Research Progress in Preparation, Properties and Applications of Biomimetic Organic-Inorganic Composites with "Brick-and-Mortar" Structure. MATERIALS (BASEL, SWITZERLAND) 2023; 16:ma16114094. [PMID: 37297231 DOI: 10.3390/ma16114094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 05/16/2023] [Accepted: 05/29/2023] [Indexed: 06/12/2023]
Abstract
Inspired by nature, materials scientists have been exploring and designing various biomimetic materials. Among them, composite materials with brick-and-mortar-like structure synthesized from organic and inorganic materials (BMOIs) have attracted increasing attention from scholars. These materials have the advantages of high strength, excellent flame retardancy, and good designability, which can meet the requirements of various fields for materials and have extremely high research value. Despite the increasing interest in and applications of this type of structural material, there is still a dearth of comprehensive reviews, leaving the scientific community with a limited understanding of its properties and applications. In this paper, we review the preparation, interface interaction, and research progress of BMOIs, and propose possible future development directions for this class of materials.
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Affiliation(s)
- Feng Liu
- College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China
| | - Hongyu Yang
- College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China
| | - Xiaming Feng
- College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China
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13
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Zhang ZB, Gao HL, Wen SM, Pang J, Zhang SC, Cui C, Wang ZY, Yu SH. Scalable Manufacturing of Mechanical Robust Bioinspired Ceramic-Resin Composites with Locally Tunable Heterogeneous Structures. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2209510. [PMID: 36661134 DOI: 10.1002/adma.202209510] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 12/23/2022] [Indexed: 06/17/2023]
Abstract
Lightweight structural materials with a unique combination of high stiffness, strength, toughness, and hardness, are highly desired yet challenging to be artificially fabricated. Biological structural materials, on the other hand, ingeniously integrate multiple mutually exclusive mechanical properties together relying on their hierarchically heterogeneous structures bonded with gradient interfaces. Here, a scalable bottom-up approach combining continuous nanofiber-assisted evaporation-induced self-assembly with laminating, pressure-less sintering and resin infiltration is reported to fabricate bioinspired heterogeneous ceramic-resin composites with locally tunable microstructure to fulfill specific properties. A gradient interlayer is introduced to provide a gradual transition between adjacent heterogeneous layers, effectively alleviating their property mismatch. The optimized heterogeneous nacre-like composite, as a demonstration, exhibits an attractive combination of low density (≈2.8 g cm-3 ), high strength (≈292 MPa), toughness (≈6.4 MPa m1/2 ), surface hardness (≈1144 kgf mm-2 ) and impact-resistance, surpassing the overall performance of engineering alumina. This material-independent approach paves the way for designing advanced bioinspired heterogeneous materials for diverse structural and functional applications.
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Affiliation(s)
- Zhen-Bang Zhang
- Department of Chemistry, Institute of Biomimetic Materials & Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, 230026, China
| | - Huai-Ling Gao
- Department of Chemistry, Institute of Biomimetic Materials & Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, 230026, China
| | - Shao-Meng Wen
- Department of Chemistry, Institute of Biomimetic Materials & Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, 230026, China
| | - Jun Pang
- Department of Chemistry, Institute of Biomimetic Materials & Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, 230026, China
| | - Si-Chao Zhang
- Department of Chemistry, Institute of Biomimetic Materials & Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, 230026, China
| | - Chen Cui
- Department of Chemistry, Institute of Biomimetic Materials & Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, 230026, China
| | - Ze-Yu Wang
- Department of Chemistry, Institute of Biomimetic Materials & Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, 230026, China
| | - Shu-Hong Yu
- Department of Chemistry, Institute of Biomimetic Materials & Chemistry, Anhui Engineering Laboratory of Biomimetic Materials, Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, 230026, China
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14
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Review of Artificial Nacre for Oil–Water Separation. SEPARATIONS 2023. [DOI: 10.3390/separations10030205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023] Open
Abstract
Due to their extraordinary prospective uses, particularly in the areas of oil–water separation, underwater superoleophobic materials have gained increasing attention. Thus, artificial nacre has become an attractive candidate for oil–water separation due to its superhydrophilicity and underwater superoleophobicity properties. Synthesized artificial nacre has successfully achieved a high mechanical strength that is close to or even surpasses the mechanical strength of natural nacre. This can be attributed to suitable synthesis methods, the selection of inorganic fillers and polymer matrices, and the enhancement of the mechanical properties through cross-linking, covalent group modification, or mineralization. The utilization of nacre-inspired composite membranes for emerging applications, i.e., is oily wastewater treatment, is highlighted in this review. The membranes show that full separation of oil and water can be achieved, which enables their applications in seawater environments. The self-cleaning mechanism’s basic functioning and antifouling tips are also concluded in this review.
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15
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Shin H, Kim D, Park J, Kim DY. Improving Photosensitivity and Transparency in Organic Phototransistor with Blending Insulating Polymers. MICROMACHINES 2023; 14:620. [PMID: 36985027 PMCID: PMC10056034 DOI: 10.3390/mi14030620] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 03/03/2023] [Accepted: 03/06/2023] [Indexed: 06/18/2023]
Abstract
Organic phototransistors exhibit great promise for use in a wide range of technological applications due to their flexibility, low cost, and low-temperature processability. However, their low transparency due to visible light absorption has hindered their adoption in next-generation transparent electronics. For this reason, the present study sought to develop a highly sensitive organic phototransistor with greater transparency and significantly higher light sensitivity in the visible and UVA regions without deterioration in its electrical properties. An organic blended thin-film transistor (TFT) fabricated from the blend of an organic semiconductor and an insulating polymer demonstrated improved electrical properties in the dark and a higher current under light irradiation even though its transmittance was higher. The device exhibited a transmittance of 87.28% and a photosensitivity of 7049.96 in the visible light region that were 4.37% and 980 times higher than those of the single-semiconductor-based device. The carrier mobility of the device blended with the insulating polymer was improved and greatly amplified under light irradiation. It is believed that the insulating polymer facilitated the crystallization of the organic semiconductor, thus promoting the flow of photogenerated excitons and improving the photocurrent. Overall, the proposed TFT offers excellent low-temperature processability and has the potential to be employed in a range of transparent electronic applications.
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Affiliation(s)
- Hyunji Shin
- Department of ICT-Future Vehicle Convergence Education & Research Center, Inha University, Incheon 22212, Republic of Korea
- Department of Electrical and Computer Engineering, Inha University, Incheon 22212, Republic of Korea
- Center for Sensor Systems, Inha University, Incheon 22212, Republic of Korea
| | - Dongwook Kim
- Department of Electronic Engineering, Hallym University, Chuncheon 24252, Republic of Korea
| | - Jaehoon Park
- Department of Electronic Engineering, Hallym University, Chuncheon 24252, Republic of Korea
| | - Dae Yu Kim
- Department of ICT-Future Vehicle Convergence Education & Research Center, Inha University, Incheon 22212, Republic of Korea
- Department of Electrical and Computer Engineering, Inha University, Incheon 22212, Republic of Korea
- Center for Sensor Systems, Inha University, Incheon 22212, Republic of Korea
- Inha Research Institute for Aerospace Medicine, Inha University, Incheon 22212, Republic of Korea
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16
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Zhu M, Yan X, Li X, Dai L, Guo J, Lei Y, Xu Y, Xu H. Flexible, Transparent, and Hazy Composite Cellulosic Film with Interconnected Silver Nanowire Networks for EMI Shielding and Joule Heating. ACS APPLIED MATERIALS & INTERFACES 2022; 14:45697-45706. [PMID: 36178711 DOI: 10.1021/acsami.2c13035] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
An optical transparent and hazy film with admirable flexibility, electromagnetic interference (EMI) shielding, and Joule heating performance meeting the requirements of optoelectronic devices is significantly desirable. Herein, a cellulose paper was infiltrated by epoxy resin to fabricate a transparent cellulose paper (TCP) with high transparency, optical haze, and favorable flexibility, owing to effective light scattering and mechanical enhancement of the cellulose network. Moreover, a highly connected silver nanowire (AgNW) network was constructed on the TCP substrate by the spray-coating method and appropriate thermal annealing technique to realize high electrical conductivity and favorable optical transmittance of the composite film at the same time, followed by coating of a polydimethylsiloxane (PDMS) layer for protection of the AgNW network. The obtained PDMS/AgNWs/TCP composite film features considerable optical transmittance (up to 86.8%) and haze (up to 97.7%), while satisfactory EMI shielding effectiveness (SE) (up to 39.1 dB, 8.2-12.4 GHz) as well as strong mechanical strength (higher than 41 MPa) were achieved. The coated PDMS layer prevented the AgNW network from falling off and ensured the long-term stability of the PDMS/AgNWs/TCP composite film under deformations. In addition, the multifunctional PDMS/AgNWs/TCP composite film also exhibited excellent Joule heating performance with low supplied voltages, rapid response, and sufficient stability. This work demonstrates a novel pathway to improve the performance of multifunctional transparent composite films for future advanced optoelectronic devices.
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Affiliation(s)
- Meng Zhu
- College of Bioresources Chemical & Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China
| | - Xuanxuan Yan
- College of Bioresources Chemical & Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China
| | - Xin Li
- Science and Technology on Thermostructural Composite Materials Laboratory, Northwestern Polytechnical University, Xi'an 710072, China
| | - Lei Dai
- College of Bioresources Chemical & Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China
| | - Junhao Guo
- College of Bioresources Chemical & Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China
| | - Yuting Lei
- College of Bioresources Chemical & Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China
| | - Yongjian Xu
- College of Bioresources Chemical & Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China
| | - Hailong Xu
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China
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17
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Li M, Wang M, Zhao N, Bai H. Scalable Fabrication of High-Performance Bulk Nacre-Mimetic Materials on a Nanogrooved Surface. ACS NANO 2022; 16:14737-14744. [PMID: 35969483 DOI: 10.1021/acsnano.2c05547] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The extraordinary structural and mechanical features of nacre have been widely explored and translated into synthetic layered materials through various methods. However, it still remains challenging to achieve scale-up fabrication of these biomimetic layered materials, which is the main hurdle for their real applications. Herein, we report a facile, universal, and scalable strategy to produce bulk materials with nacre-mimetic architecture and performance. This was realized by the ordered nucleation of ice crystals on a nanogrooved surface. After the infiltration of a polymer, both the specific strength and toughness of our artificial nacre outperform those of natural nacre and other nacre-mimetic materials. Due to the scalability and availability of a nanogrooved surface, large-sized, bulk artificial nacre (30 × 20 × 5 cm) was also obtained through the directional freezing process. In addition, this efficient approach can also be extended to assemble various building blocks like functional nanomaterials such as graphene oxide and MXene nanosheets into bulk porous materials with highly ordered three-dimensional architecture, holding great potential for multifunctional applications.
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Affiliation(s)
- Meng Li
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Mengning Wang
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Nifang Zhao
- Institute of Zhejiang University-Quzhou, 78 Jiuhua Boulevard North, Quzhou 324000, China
| | - Hao Bai
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030000, China
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18
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Mao LB, Meng YF, Meng XS, Yang B, Yang YL, Lu YJ, Yang ZY, Shang LM, Yu SH. Matrix-Directed Mineralization for Bulk Structural Materials. J Am Chem Soc 2022; 144:18175-18194. [PMID: 36162119 DOI: 10.1021/jacs.2c07296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Mineral-based bulk structural materials (MBSMs) are known for their long history and extensive range of usage. The inherent brittleness of minerals poses a major problem to the performance of MBSMs. To overcome this problem, design principles have been extracted from natural biominerals, in which the extraordinary mechanical performance is achieved via the hierarchical organization of minerals and organics. Nevertheless, precise and efficient fabrication of MBSMs with bioinspired hierarchical structures under mild conditions has long been a big challenge. This Perspective provides a panoramic view of an emerging fabrication strategy, matrix-directed mineralization, which imitates the in vivo growth of some biominerals. The advantages of the strategy are revealed by comparatively analyzing the conventional fabrication techniques of artificial hierarchically structured MBSMs and the biomineral growth processes. By introducing recent advances, we demonstrate that this strategy can be used to fabricate artificial MBSMs with hierarchical structures. Particular attention is paid to the mass transport and the precursors that are involved in the mineralization process. We hope this Perspective can provide some inspiring viewpoints on the importance of biomimetic mineralization in material fabrication and thereby spur the biomimetic fabrication of high-performance MBSMs.
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Affiliation(s)
- Li-Bo Mao
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale; Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei 230026, China.,Institute of Advanced Technology, University of Science and Technology of China, Hefei 230026, China.,Anhui Engineering Laboratory of Biomimetic Materials, University of Science and Technology of China, Hefei 230026, China
| | - Yu-Feng Meng
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale; Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Xiang-Sen Meng
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale; Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Bo Yang
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale; Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Yu-Lu Yang
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale; Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Yu-Jie Lu
- Institute of Advanced Technology, University of Science and Technology of China, Hefei 230026, China
| | - Zhong-Yuan Yang
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale; Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Li-Mei Shang
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale; Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Shu-Hong Yu
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale; Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei 230026, China.,Institute of Advanced Technology, University of Science and Technology of China, Hefei 230026, China.,Anhui Engineering Laboratory of Biomimetic Materials, University of Science and Technology of China, Hefei 230026, China
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19
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Nacre-like composites with superior specific damping performance. Proc Natl Acad Sci U S A 2022; 119:e2118868119. [PMID: 35878024 PMCID: PMC9351376 DOI: 10.1073/pnas.2118868119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Biological materials such as nacre have evolved microstructural design principles that result in outstanding mechanical properties. While nacre's design concepts have led to bio-inspired materials with enhanced fracture toughness, the microstructural features underlying the remarkable damping properties of this biological material have not yet been fully explored in synthetic composites. Here, we study the damping behavior of nacre-like composites containing mineral bridges and platelet asperities as nanoscale structural features within its brick-and-mortar architecture. Dynamic mechanical analysis was performed to experimentally elucidate the role of these features on the damping response of the nacre-like composites. By enhancing stress transfer between platelets and at the brick/mortar interface, mineral bridges and nano-asperities were found to improve the damping performance of the composite to levels that surpass many biological and man-made materials. Surprisingly, the improved properties are achieved without reaching the perfect organization of the biological counterparts. Our nacre-like composites display a loss modulus 2.4-fold higher than natural nacre and 1.4-fold more than highly dissipative natural fiber composites. These findings shed light on the role of nanoscale structural features on the dynamic mechanical properties of nacre and offer design concepts for the manufacturing of bio-inspired composites for high-performance damping applications.
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20
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Hirai T, Muraoka Y, Okamoto H. Strong, transparent composites based on
glass‐fiber
textile and a polycarbonate–polycaprolactone blend with matching refractive indices. J Appl Polym Sci 2022. [DOI: 10.1002/app.52925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Takayuki Hirai
- Sustainable Process Research‐Domain Toyota Central R&D Laboratories, Inc. Nagakute Japan
| | - Yoshimi Muraoka
- Sustainable Process Research‐Domain Toyota Central R&D Laboratories, Inc. Nagakute Japan
| | - Hirotaka Okamoto
- Sustainable Process Research‐Domain Toyota Central R&D Laboratories, Inc. Nagakute Japan
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21
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Lei Z, Zhang Z, Wang J, Xu L, Li J, Zhu Z, Liu Y. New Strategy to Construct Mechanically Strong and Tough Phenolic Networks by Considering the Effect of Curing Reactions and Physical States on the Cross-Linking Density and Cross-Linking Inhomogeneity. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c01189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Zixuan Lei
- Department of Chemical Engineering, School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an 710049, Shaanxi, China
| | - Zhongzhou Zhang
- Department of Chemical Engineering, School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an 710049, Shaanxi, China
| | - Jian Wang
- Department of Chemical Engineering, School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an 710049, Shaanxi, China
| | - Li Xu
- Department of Chemical Engineering, School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an 710049, Shaanxi, China
| | - Jian Li
- Xi’an Aerospace Composite Materials Research Institute, Xi’an 710025, Shaanxi, China
| | - Zhichao Zhu
- Key Laboratory of Neutron Physics and Institute of Nuclear Physics and Chemistry, Academy of Engineering Physics, Mianyang, 621054, China
| | - Yuhong Liu
- Department of Chemical Engineering, School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an 710049, Shaanxi, China
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22
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Xi P, Wu L, Quan F, Xia Y, Fang K, Jiang Y. Scalable Nano Building Blocks of Waterborne Polyurethane and Nanocellulose for Tough and Strong Bioinspired Nanocomposites by a Self-Healing and Shape-Retaining Strategy. ACS APPLIED MATERIALS & INTERFACES 2022; 14:24787-24797. [PMID: 35603943 DOI: 10.1021/acsami.2c04257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Nature has given us significant inspiration to reproduce bioinspired materials with high strength and toughness. The fabrication of well-defined three-dimensional (3D) hierarchically structured nanocomposite materials from nano- to the macroscale using simple, green, and scalable methods is still a big challenge. Here, we report a successful attempt at the fabrication of multidimensional bioinspired nanocomposites (fiber, films, plates, hollow tubes, chair models, etc.) with high strength and toughness through self-healing and shape-retaining methods using waterborne polyurethane (WPU) and nanocellulose. In our method, the prepared TEMPO oxide cellulose nanofiber (TOCNF)-WPU hybrid films show excellent moisture-induced self-healing and shape-retaining abilities, which can be used to fabricate all sorts of 3D bioinspired nanocomposites with internal aligned and hierarchical architectures just using water as media. The tensile and flexural strength of the self-assembled plate can reach 186.8 and 193.2 MPa, respectively, and it also has a high toughness of 11.6 MJ m-3. Because of this bottom-up self-assembly strategy, every multidimensional structure we processed has high strength and toughness. This achievement would provide a promising future to realize a large-scale and reliable production of various sorts of bioinspired multidimensional materials with high strength and toughness in a sustainable manner.
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Affiliation(s)
- Panyi Xi
- College of Textile and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Collaborative Innovation Center for Eco-Textiles of Shandong Province, Qingdao University, Qingdao, Shandong 266101, China
| | - Lin Wu
- Qingdao Technical College, Qingdao, Shandong 266000, China
| | - Fengyu Quan
- College of Textile and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Collaborative Innovation Center for Eco-Textiles of Shandong Province, Qingdao University, Qingdao, Shandong 266101, China
| | - Yanzhi Xia
- College of Textile and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Collaborative Innovation Center for Eco-Textiles of Shandong Province, Qingdao University, Qingdao, Shandong 266101, China
| | - Kuanjun Fang
- College of Textile and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Collaborative Innovation Center for Eco-Textiles of Shandong Province, Qingdao University, Qingdao, Shandong 266101, China
| | - Yijun Jiang
- College of Textile and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Collaborative Innovation Center for Eco-Textiles of Shandong Province, Qingdao University, Qingdao, Shandong 266101, China
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23
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Venkatesh RB, Lee D. Conflicting Effects of Extreme Nanoconfinement on the Translational and Segmental Motion of Entangled Polymers. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c00145] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- R. Bharath Venkatesh
- Department of Chemical and Biomolecular Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Daeyeon Lee
- Department of Chemical and Biomolecular Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
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24
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Yu Y, Kong K, Tang R, Liu Z. A Bioinspired Ultratough Composite Produced by Integration of Inorganic Ionic Oligomers within Polymer Networks. ACS NANO 2022; 16:7926-7936. [PMID: 35482415 DOI: 10.1021/acsnano.2c00663] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The nacre-inspired laminates are promising materials for their excellent mechanics. However, the interfacial defects between organic-inorganic phases commonly lead to the crack propagation and fracture failure of these materials under stress. A natural biomineral, bone, has much higher bending toughness than the nacre. The small size of inorganic building units in bone improves the organic-inorganic interaction, which optimizes the material toughness. Inspired by these biological structures, here, an ultratough nanocomposite laminate is prepared by the integration of ultrasmall calcium phosphate oligomers (CPO, 1 nm in diameter) within poly(vinyl alcohol) (PVA) and sodium alginate (Alg) networks through a simple three-step strategy. Owing to the small size of inorganic building units, strong multiple molecular interactions within integrated organic-inorganic hierarchical structure are built. The resulting laminates exhibit ultrahigh bending strain (>50% without fracture) and toughness (21.5-31.0 MJ m-3), which surpass natural nacre and almost all of the synthetic laminate materials that have been reported so far. Moreover, the mechanics of this laminate is tunable by changing the water content within the bulk structure. This work provides a way for the development of organic-inorganic nanocomposites with ultrahigh bending toughness by using inorganic ionic oligomers, which can be useful in the fields of tough protective materials and energy absorbing materials.
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Affiliation(s)
- Yadong Yu
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, China
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, Zhejiang 311215, China
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, China
| | - Kangren Kong
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, China
| | - Ruikang Tang
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, China
- State Key Laboratory for Silicon Materials, Zhejiang University, Hangzhou, Zhejiang 310027, China
| | - Zhaoming Liu
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, China
- State Key Laboratory for Silicon Materials, Zhejiang University, Hangzhou, Zhejiang 310027, China
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25
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Mei J, Liao T, Peng H, Sun Z. Bioinspired Materials for Energy Storage. SMALL METHODS 2022; 6:e2101076. [PMID: 34954906 DOI: 10.1002/smtd.202101076] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 11/23/2021] [Indexed: 06/14/2023]
Abstract
Nature offers a variety of interesting structures and intriguing functions for researchers to be learnt for advanced materials innovations. Recently, bioinspired materials have received intensive attention in energy storage applications. Inspired by various natural species, many new configurations and components of energy storage devices, such as rechargeable batteries and supercapacitors, have been designed and innovated. The bioinspired designs on energy devices, such as electrodes and electrolytes, have brought about excellent physical, chemical, and mechanical properties compared to the counterparts at their conventional forms. In this review, the design principles for bioinspired materials ranging from structures, synthesis, and functionalization to multi-scale ordering and device integration are first discussed, and then a brief summary is given on the recent progress on bioinspired materials for energy storage systems, particularly the widely studied rechargeable batteries and supercapacitors. Finally, a critical review on the current challenges and brief perspective on the future research focuses are proposed. It is expected that this review can offer some insights into the smart energy storage system design by learning from nature.
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Affiliation(s)
- Jun Mei
- School of Chemistry and Physics, Queensland University of Technology, 2 George Street, Brisbane, QLD, 4000, Australia
- Centre for Materials Science, Queensland University of Technology, 2 George Street, Brisbane, QLD, 4000, Australia
| | - Ting Liao
- Centre for Materials Science, Queensland University of Technology, 2 George Street, Brisbane, QLD, 4000, Australia
- School of Mechanical Medical and Process Engineering, Queensland University of Technology, 2 George Street, Brisbane, QLD, 4000, Australia
| | - Hong Peng
- School of Chemical Engineering, University of Queensland, St Lucia, QLD, 4072, Australia
| | - Ziqi Sun
- School of Chemistry and Physics, Queensland University of Technology, 2 George Street, Brisbane, QLD, 4000, Australia
- Centre for Materials Science, Queensland University of Technology, 2 George Street, Brisbane, QLD, 4000, Australia
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26
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Yang Y, Wang Z, He Q, Li X, Lu G, Jiang L, Zeng Y, Bethers B, Jin J, Lin S, Xiao S, Zhu Y, Wu X, Xu W, Wang Q, Chen Y. 3D Printing of Nacre-Inspired Structures with Exceptional Mechanical and Flame-Retardant Properties. RESEARCH (WASHINGTON, D.C.) 2022; 2022:9840574. [PMID: 35169712 PMCID: PMC8817185 DOI: 10.34133/2022/9840574] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 12/13/2021] [Indexed: 11/25/2022]
Abstract
Flame-retardant and thermal management structures have attracted great attention due to the requirement of high-temperature exposure in industrial, aerospace, and thermal power fields, but the development of protective fire-retardant structures with complex shapes to fit arbitrary surfaces is still challenging. Herein, we reported a rotation-blade casting-assisted 3D printing process to fabricate nacre-inspired structures with exceptional mechanical and flame-retardant properties, and the related fundamental mechanisms are studied. 3-(Trimethoxysilyl)propyl methacrylate (TMSPMA) modified boron nitride nanoplatelets (BNs) were aligned by rotation-blade casting during the 3D printing process to build the "brick and mortar" architecture. The 3D printed structures are more lightweight, while having higher fracture toughness than the natural nacre, which is attributed to the crack deflection, aligned BN (a-BNs) bridging, and pull-outs reinforced structures by the covalent bonding between TMSPMA grafted a-BNs and polymer matrix. Thermal conductivity is enhanced by 25.5 times compared with pure polymer and 5.8 times of anisotropy due to the interconnection of a-BNs. 3D printed heat-exchange structures with vertically aligned BNs in complex shapes were demonstrated for efficient thermal control of high-power light-emitting diodes. 3D printed helmet and armor with a-BNs show exceptional mechanical and fire-retardant properties, demonstrating integrated mechanical and thermal protection.
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Affiliation(s)
- Yang Yang
- Department of Mechanical Engineering, San Diego State University, 5500 Campanile Drive, San Diego, CA 92182, USA
| | - Ziyu Wang
- The Institute of Technological Sciences, Wuhan University, Wuhan 430072, China
| | - Qingqing He
- Department of Mechanical Engineering, San Diego State University, 5500 Campanile Drive, San Diego, CA 92182, USA
| | - Xiangjia Li
- School for Engineering of Matter, Transport and Energy, Arizona State University, 551 E Tyler Mall, Tempe, AZ 85281, USA
| | - Gengxi Lu
- Department of Biomedical Engineering, University of Southern California, 1042 Downey Way, Los Angeles, CA 90089, USA
| | - Laiming Jiang
- Department of Biomedical Engineering, University of Southern California, 1042 Downey Way, Los Angeles, CA 90089, USA
- Epstein Department of Industrial and Systems Engineering, University of Southern California, 3715 McClintock Ave, Los Angeles, CA 90089, USA
| | - Yushun Zeng
- Department of Biomedical Engineering, University of Southern California, 1042 Downey Way, Los Angeles, CA 90089, USA
| | - Brandon Bethers
- Department of Mechanical Engineering, San Diego State University, 5500 Campanile Drive, San Diego, CA 92182, USA
| | - Jie Jin
- Epstein Department of Industrial and Systems Engineering, University of Southern California, 3715 McClintock Ave, Los Angeles, CA 90089, USA
- ShadeCraft Robotics Inc., Pasadena, CA 91105, USA
| | - Shuang Lin
- Department of Chemical Engineering and Materials Science, University of Southern California, 925 Bloom Walk, Los Angeles, California 90089, USA
| | - Siqi Xiao
- Department of Chemical Engineering and Materials Science, University of Southern California, 925 Bloom Walk, Los Angeles, California 90089, USA
| | - Yizhen Zhu
- School for Engineering of Matter, Transport and Energy, Arizona State University, 551 E Tyler Mall, Tempe, AZ 85281, USA
- Department of Aerospace and Mechanical Engineering, University of Southern California, Los Angeles, CA 90089, USA
| | - Xianke Wu
- School of Physics and Technology, Wuhan University, Wuhan 430072, China
| | - Wenwu Xu
- Department of Mechanical Engineering, San Diego State University, 5500 Campanile Drive, San Diego, CA 92182, USA
| | - Qiming Wang
- Sonny Astani Department of Civil and Environmental Engineering, University of Southern California, Los Angeles, CA 90089, USA
| | - Yong Chen
- Epstein Department of Industrial and Systems Engineering, University of Southern California, 3715 McClintock Ave, Los Angeles, CA 90089, USA
- Department of Aerospace and Mechanical Engineering, University of Southern California, Los Angeles, CA 90089, USA
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27
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Liu L, Zhu M, Xu X, Li X, Ma Z, Jiang Z, Pich A, Wang H, Song P. Dynamic Nanoconfinement Enabled Highly Stretchable and Supratough Polymeric Materials with Desirable Healability and Biocompatibility. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2105829. [PMID: 34599781 DOI: 10.1002/adma.202105829] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 09/07/2021] [Indexed: 06/13/2023]
Abstract
Lightweight polymeric materials are highly attractive platforms for many potential industrial applications in aerospace, soft robots, and biological engineering fields. For these real-world applications, it is vital for them to exhibit a desirable combination of great toughness, large ductility, and high strength together with desired healability and biocompatibility. However, existing material design strategies usually fail to achieve such a performance portfolio owing to their different and even mutually exclusive governing mechanisms. To overcome these hurdles, herein, for the first time a dynamic hydrogen-bonded nanoconfinement concept is proposed, and the design of highly stretchable and supratough biocompatible poly(vinyl alcohol) (PVA) with well-dispersed dynamic nanoconfinement phases induced by hydrogen-bond (H-bond) crosslinking is demonstrated. Because of H-bond crosslinking and dynamic nanoconfinement, the as-prepared PVA nanocomposite film exhibits a world-record toughness of 425 ± 31 MJ m-3 in combination with a tensile strength of 98 MPa and a large break strain of 550%, representing the best of its kind and even outperforming most natural and artificial materials. In addition, the final polymer exhibits a good self-healing ability and biocompatibility. This work affords new opportunities for creating mechanically robust, healable, and biocompatible polymeric materials, which hold great promise for applications, such as soft robots and artificial ligaments.
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Affiliation(s)
- Lei Liu
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, 311300, China
| | - Menghe Zhu
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, 311300, China
- School of Materials Science and Engineering, Tongji University, Shanghai, 201804, China
| | - Xiaodong Xu
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, 311300, China
| | - Xin Li
- DWI-Leibniz-Institute for Interactive Materials e.V, 52056, Aachen, Germany
- Institute for Technical and Macromolecular Chemistry, RWTH Aachen University, 52074, Aachen, Germany
| | - Zhewen Ma
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, 311300, China
| | - Zhen Jiang
- Centre for Future Materials, University of Southern Queensland, Springfield Central, 4300, Australia
| | - Andrij Pich
- DWI-Leibniz-Institute for Interactive Materials e.V, 52056, Aachen, Germany
- Institute for Technical and Macromolecular Chemistry, RWTH Aachen University, 52074, Aachen, Germany
| | - Hao Wang
- Centre for Future Materials, University of Southern Queensland, Springfield Central, 4300, Australia
| | - Pingan Song
- Centre for Future Materials, University of Southern Queensland, Springfield Central, 4300, Australia
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28
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Yasir M, Sai T, Sicher A, Scheffold F, Steiner U, Wilts BD, Dufresne ER. Enhancing the Refractive Index of Polymers with a Plant-Based Pigment. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2103061. [PMID: 34558188 DOI: 10.1002/smll.202103061] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 07/14/2021] [Indexed: 06/13/2023]
Abstract
Polymers are essential components of many nanostructured materials. However, the refractive indices of common polymers fall in a relatively narrow range between 1.4 and 1.6. Here, it is demonstrated that loading commercially-available polymers with large concentrations of a plant-based pigment can effectively enhance their refractive index. For polystyrene (PS) loaded with 67 w/w% β-carotene (BC), a peak value of 2.2 near the absorption edge at 531 nm is achieved, while maintaining values above 1.75 across longer wavelengths of the visible spectrum. Despite high pigment loadings, this blend maintains the thermoforming ability of PS, and BC remains molecularly dispersed. Similar results are demonstrated for the plant-derived polymer ethyl cellulose (EC). Since the refractive index enhancement is intimately connected to the introduction of strong absorption, it is best suited to applications where light travels short distances through the material, such as reflectors and nanophotonic systems. Enhanced reflectance from films is experimentally demonstrated, as large as sevenfold for EC at selected wavelengths. Theoretical calculations highlight that this simple strategy can significantly increase light scattering by nanoparticles and enhance the performance of Bragg reflectors.
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Affiliation(s)
- Mohammad Yasir
- Department of Materials, ETH Zürich, 8093, Zürich, Switzerland
| | - Tianqi Sai
- Department of Materials, ETH Zürich, 8093, Zürich, Switzerland
| | - Alba Sicher
- Department of Materials, ETH Zürich, 8093, Zürich, Switzerland
| | - Frank Scheffold
- Department of Physics, University of Fribourg, 1700, Fribourg, Switzerland
| | - Ullrich Steiner
- Adolphe Merkle Institute, University of Fribourg, 1700, Fribourg, Switzerland
| | - Bodo D Wilts
- Adolphe Merkle Institute, University of Fribourg, 1700, Fribourg, Switzerland
| | - Eric R Dufresne
- Department of Materials, ETH Zürich, 8093, Zürich, Switzerland
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29
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Amini A, Khavari A, Barthelat F, Ehrlicher AJ. Centrifugation and index matching yield a strong and transparent bioinspired nacreous composite. Science 2021; 373:1229-1234. [PMID: 34516787 DOI: 10.1126/science.abf0277] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
[Figure: see text].
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Affiliation(s)
- Ali Amini
- Department of Bioengineering, McGill University, Montreal, Quebec H3A 0C3, Canada.,Department of Mechanical Engineering, McGill University, Montreal, Quebec H3A 0C3, Canada
| | - Adele Khavari
- Department of Bioengineering, McGill University, Montreal, Quebec H3A 0C3, Canada.,Department of Mechanical Engineering, University of Colorado Boulder, Boulder, CO 80309, USA
| | - Francois Barthelat
- Department of Mechanical Engineering, McGill University, Montreal, Quebec H3A 0C3, Canada.,Department of Mechanical Engineering, University of Colorado Boulder, Boulder, CO 80309, USA
| | - Allen J Ehrlicher
- Department of Bioengineering, McGill University, Montreal, Quebec H3A 0C3, Canada.,Department of Mechanical Engineering, McGill University, Montreal, Quebec H3A 0C3, Canada.,Department of Mechanical Engineering, University of Colorado Boulder, Boulder, CO 80309, USA.,Department of Anatomy and Cell Biology, McGill University, Montreal, Quebec H3A 0C7, Canada.,Department of Biomedical Engineering, McGill University, Montreal, Quebec H3A 2B4, Canada.,Centre for Structural Biology, McGill University, Montreal, Quebec H3G 0B1, Canada.,Goodman Cancer Research Centre, McGill University, Montreal, Quebec H3A 1A3, Canada
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30
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Magrini T, Kiebala D, Grimm D, Nelson A, Schrettl S, Bouville F, Weder C, Studart AR. Tough Bioinspired Composites That Self-Report Damage. ACS APPLIED MATERIALS & INTERFACES 2021; 13:27481-27490. [PMID: 34076408 DOI: 10.1021/acsami.1c05964] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The increasing use of lightweight composite materials in structural applications requires the development of new damage monitoring technologies to ensure their safe use and prevent accidents. Although several molecular strategies have been proposed to report damage in polymers through mechanochromic responses, these approaches have not yet been translated into lightweight bioinspired composites for load-bearing applications. Here, we report on the development of bioinspired laminates of alternating polymer and nacre-like layers that combine optical translucency, high fracture toughness, and damage-reporting capabilities. The composites signal damage via a fluorescence color change that arises from the force activation of mechanophore molecules embedded in the material's polymer phase. A quantitative correlation between the applied strain and the fluorescence intensity was successfully established. We demonstrate that optical imaging of mechanically loaded composites allows for the localized detection of damage prior to fracture. This fluorescence-based self-reporting mechanism offers a promising approach for the early detection of damage in lightweight structural composites and can serve as a useful tool for the analysis of fracture processes in bulk transparent materials.
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Affiliation(s)
- Tommaso Magrini
- Complex Materials, Department of Materials, ETH Zürich, Zürich 8093, Switzerland
| | - Derek Kiebala
- Adolphe Merkle Institute, University of Fribourg, Fribourg 1700, Switzerland
| | - Dominique Grimm
- Complex Materials, Department of Materials, ETH Zürich, Zürich 8093, Switzerland
| | - Anna Nelson
- Complex Materials, Department of Materials, ETH Zürich, Zürich 8093, Switzerland
| | - Stephen Schrettl
- Adolphe Merkle Institute, University of Fribourg, Fribourg 1700, Switzerland
| | - Florian Bouville
- Centre for Advanced Structural Ceramics, Department of Materials, Imperial College London, London SW7 2AZ, United Kingdom
| | - Christoph Weder
- Adolphe Merkle Institute, University of Fribourg, Fribourg 1700, Switzerland
| | - André R Studart
- Complex Materials, Department of Materials, ETH Zürich, Zürich 8093, Switzerland
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31
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Li K, Clarkson CM, Wang L, Liu Y, Lamm M, Pang Z, Zhou Y, Qian J, Tajvidi M, Gardner DJ, Tekinalp H, Hu L, Li T, Ragauskas AJ, Youngblood JP, Ozcan S. Alignment of Cellulose Nanofibers: Harnessing Nanoscale Properties to Macroscale Benefits. ACS NANO 2021; 15:3646-3673. [PMID: 33599500 DOI: 10.1021/acsnano.0c07613] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
In nature, cellulose nanofibers form hierarchical structures across multiple length scales to achieve high-performance properties and different functionalities. Cellulose nanofibers, which are separated from plants or synthesized biologically, are being extensively investigated and processed into different materials owing to their good properties. The alignment of cellulose nanofibers is reported to significantly influence the performance of cellulose nanofiber-based materials. The alignment of cellulose nanofibers can bridge the nanoscale and macroscale, bringing enhanced nanoscale properties to high-performance macroscale materials. However, compared with extensive reviews on the alignment of cellulose nanocrystals, reviews focusing on cellulose nanofibers are seldom reported, possibly because of the challenge of aligning cellulose nanofibers. In this review, the alignment of cellulose nanofibers, including cellulose nanofibrils and bacterial cellulose, is extensively discussed from different aspects of the driving force, evaluation, strategies, properties, and applications. Future perspectives on challenges and opportunities in cellulose nanofiber alignment are also briefly highlighted.
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Affiliation(s)
- Kai Li
- Chemical Sciences Division, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, Tennessee 37831, United States
| | - Caitlyn M Clarkson
- Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson AFB, Ohio 45433, United States
| | - Lu Wang
- School of Forest Resources, University of Maine, 5755 Nutting Hall, Orono, Maine 04469, United States
- Advanced Structures and Composites Center, University of Maine, 35 Flagstaff Road, Orono, Maine 04469, United States
| | - Yu Liu
- Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, United States
| | - Meghan Lamm
- Manufacturing Demonstration Facility, Manufacturing Science Division, Oak Ridge National Laboratory, 2350 Cherahala Boulevard, Knoxville, Tennessee 37932, United States
| | - Zhenqian Pang
- Department of Mechanical Engineering, University of Maryland, College Park, Maryland 20742, United States
| | - Yubing Zhou
- Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, United States
| | - Ji Qian
- Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, United States
| | - Mehdi Tajvidi
- School of Forest Resources, University of Maine, 5755 Nutting Hall, Orono, Maine 04469, United States
- Advanced Structures and Composites Center, University of Maine, 35 Flagstaff Road, Orono, Maine 04469, United States
| | - Douglas J Gardner
- School of Forest Resources, University of Maine, 5755 Nutting Hall, Orono, Maine 04469, United States
- Advanced Structures and Composites Center, University of Maine, 35 Flagstaff Road, Orono, Maine 04469, United States
| | - Halil Tekinalp
- Manufacturing Demonstration Facility, Manufacturing Science Division, Oak Ridge National Laboratory, 2350 Cherahala Boulevard, Knoxville, Tennessee 37932, United States
| | - Liangbing Hu
- Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, United States
| | - Teng Li
- Department of Mechanical Engineering, University of Maryland, College Park, Maryland 20742, United States
| | - Arthur J Ragauskas
- Department of Chemical and Biomolecular Engineering, University of Tennessee, Knoxville, Tennessee 37996, United States
- Department of Forestry, Wildlife, and Fisheries, Center for Renewable Carbon, The University of Tennessee Institute of Agriculture, Knoxville, Tennessee 37996, United States
- UTK-ORNL Joint Institute for Biological Science, Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Jeffrey P Youngblood
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Soydan Ozcan
- Manufacturing Demonstration Facility, Manufacturing Science Division, Oak Ridge National Laboratory, 2350 Cherahala Boulevard, Knoxville, Tennessee 37932, United States
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32
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Qiang Y, Turner KT, Lee D. Polymer-infiltrated nanoplatelet films with nacre-like structure via flow coating and capillary rise infiltration (CaRI). NANOSCALE 2021; 13:5545-5556. [PMID: 33688884 DOI: 10.1039/d0nr08691f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Alignment of highly anisotropic nanomaterials in a polymer matrix can yield nanocomposites with unique mechanical and transport properties. Conventional methods of nanocomposite film fabrication are not well-suited for manufacturing composites with very high concentrations of anisotropic nanomaterials, potentially limiting the widespread implementation of these useful structures. In this work, we present a scalable approach to fabricate polymer-infiltrated nanoplatelet films (PINFs) based on flow coating and capillary rise infiltration (CaRI) and study the processing-structure-property relationship of these PINFs. We show that films with high aspect ratio (AR) gibbsite (Al (OH)3) nanoplatelets (NPTs) aligned parallel to the substrate can be prepared using a flow coating process. NPTs are highly aligned with a Herman's order parameter of 0.96 and a high packing fraction >80 vol%. Such packings show significantly higher fracture toughness compared to low AR nanoparticle (NP) packings. By depositing NPTs on a polymer film and subsequently annealing the bilayer above the glass transition temperature of the polymer, polymer infiltrates into the tortuous NPT packings though capillarity. We observe larger enhancement in the modulus, hardness and scratch resistance of NPT films upon polymer infiltration compared to NP packings. The excellent mechanical properties of such films benefit from both thermally promoted oxide bridge formation between NPTs as well as polymer infiltration increasing the strength of NPT contacts. Our approach is widely applicable to highly anisotropic nanomaterials and allows the generation of mechanically robust polymer nanocomposite films for a diverse set of applications.
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Affiliation(s)
- Yiwei Qiang
- Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.
| | - Kevin T Turner
- Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA. and Department of Mechanical Engineering and Applied Mechanics, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Daeyeon Lee
- Department of Chemical and Biomolecular Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.
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Jiao D, Lossada F, Guo J, Skarsetz O, Hoenders D, Liu J, Walther A. Electrical switching of high-performance bioinspired nanocellulose nanocomposites. Nat Commun 2021; 12:1312. [PMID: 33637751 PMCID: PMC7910463 DOI: 10.1038/s41467-021-21599-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 01/08/2021] [Indexed: 01/31/2023] Open
Abstract
Nature fascinates with living organisms showing mechanically adaptive behavior. In contrast to gels or elastomers, it is profoundly challenging to switch mechanical properties in stiff bioinspired nanocomposites as they contain high fractions of immobile reinforcements. Here, we introduce facile electrical switching to the field of bioinspired nanocomposites, and show how the mechanical properties adapt to low direct current (DC). This is realized for renewable cellulose nanofibrils/polymer nanopapers with tailor-made interactions by deposition of thin single-walled carbon nanotube electrode layers for Joule heating. Application of DC at specific voltages translates into significant electrothermal softening via dynamization and breakage of the thermo-reversible supramolecular bonds. The altered mechanical properties are reversibly switchable in power on/power off cycles. Furthermore, we showcase electricity-adaptive patterns and reconfiguration of deformation patterns using electrode patterning techniques. The simple and generic approach opens avenues for bioinspired nanocomposites for facile application in adaptive damping and structural materials, and soft robotics.
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Affiliation(s)
- Dejin Jiao
- Institute for Macromolecular Chemistry, University of Freiburg, Freiburg, Germany
- Freiburg Materials Research Center, University of Freiburg, Freiburg, Germany
- Freiburg Center for Interactive Materials and Bioinspired Technologies, Georges-Köhler-Allee 105, University of Freiburg, Freiburg, Germany
| | - Francisco Lossada
- Institute for Macromolecular Chemistry, University of Freiburg, Freiburg, Germany
- Freiburg Materials Research Center, University of Freiburg, Freiburg, Germany
- Freiburg Center for Interactive Materials and Bioinspired Technologies, Georges-Köhler-Allee 105, University of Freiburg, Freiburg, Germany
| | - Jiaqi Guo
- Institute for Macromolecular Chemistry, University of Freiburg, Freiburg, Germany
- Freiburg Materials Research Center, University of Freiburg, Freiburg, Germany
- Freiburg Center for Interactive Materials and Bioinspired Technologies, Georges-Köhler-Allee 105, University of Freiburg, Freiburg, Germany
| | - Oliver Skarsetz
- Institute for Macromolecular Chemistry, University of Freiburg, Freiburg, Germany
- Freiburg Materials Research Center, University of Freiburg, Freiburg, Germany
- Freiburg Center for Interactive Materials and Bioinspired Technologies, Georges-Köhler-Allee 105, University of Freiburg, Freiburg, Germany
| | - Daniel Hoenders
- Institute for Macromolecular Chemistry, University of Freiburg, Freiburg, Germany
- Freiburg Materials Research Center, University of Freiburg, Freiburg, Germany
- Freiburg Center for Interactive Materials and Bioinspired Technologies, Georges-Köhler-Allee 105, University of Freiburg, Freiburg, Germany
- A3BMS Lab, Department of Chemistry, University of Mainz, Mainz, Germany
| | - Jin Liu
- Institute for Macromolecular Chemistry, University of Freiburg, Freiburg, Germany
- Freiburg Materials Research Center, University of Freiburg, Freiburg, Germany
- Freiburg Center for Interactive Materials and Bioinspired Technologies, Georges-Köhler-Allee 105, University of Freiburg, Freiburg, Germany
| | - Andreas Walther
- Institute for Macromolecular Chemistry, University of Freiburg, Freiburg, Germany.
- Freiburg Materials Research Center, University of Freiburg, Freiburg, Germany.
- Freiburg Center for Interactive Materials and Bioinspired Technologies, Georges-Köhler-Allee 105, University of Freiburg, Freiburg, Germany.
- A3BMS Lab, Department of Chemistry, University of Mainz, Mainz, Germany.
- Cluster of Excellence livMatS @ FIT-Freiburg Center for Interactive Materials and Bioinspired Technologies, Georges-Köhler-Allee 105, University of Freiburg, Freiburg, Germany.
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Yin Z, Barthelat F. Stiff, strong and tough laminated glasses with bio-inspired designs. BIOINSPIRATION & BIOMIMETICS 2021; 16:026020. [PMID: 33482661 DOI: 10.1088/1748-3190/abdf30] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Accepted: 01/22/2021] [Indexed: 06/12/2023]
Abstract
Glass is an attractive material with outstanding transparency, hardness, durability and chemical stability. However, the inherent brittleness and low toughness of glass limit its applications. Overcoming the brittleness of glass will help satisfy the rapidly increasing demands of glass in building materials, optical devices, electronics and photovoltaic systems, but it has been a challenge to create glass that is stiff, strong and tough while maintaining its transparency. In this study we explore how the basic design of laminated glass can be enriched with bio-inspired architectures generated with laser engraving. We assess the performance of designs based on continuous plies (90° cross plies, Bouligand), finite glass blocks (segmented Bouligand, nacre-like brick-and-mortar) and hybrid designs. It shows that simultaneous improvements of stiffness, strength and energy absorption upon continuous ply designs can be achieved by promoting delocalized shearing of the polymeric interlayer over brittle fracture of the glass building blocks, and by only placing enriched architectures under tensile deformation so that interlayer shearing can be realized. This principle can be realized simply by adjusting size and arrangement of the building blocks, and by combining continuous plain layers with architectured layers.
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Affiliation(s)
- Zhen Yin
- Department of Mechanical Engineering, McGill University, 817 Sherbrooke Street West, Montreal, QC H3A 2K6, Canada
| | - Francois Barthelat
- Department of Mechanical Engineering, McGill University, 817 Sherbrooke Street West, Montreal, QC H3A 2K6, Canada
- Department of Mechanical Engineering, University of Colorado, 427 UCB, 1111 Engineering Dr, Boulder, CO 80309, United States of America
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Abstract
Information recovery from incomplete measurements, typically performed by a numerical means, is beneficial in a variety of classical and quantum signal processing. Random and sparse sampling with nanophotonic and light scattering approaches has received attention to overcome the hardware limitations of conventional spectrometers and hyperspectral imagers but requires high-precision nanofabrications and bulky media. We report a simple spectral information processing scheme in which light transport through an Anderson-localized medium serves as an entropy source for compressive sampling directly in the frequency domain. As implied by the "lustrous" reflection originating from the exquisite multilayered nanostructures, a pearl (or mother-of-pearl) allows us to exploit the spatial and spectral intensity fluctuations originating from strong light localization for extracting salient spectral information with a compact and thin form factor. Pearl-inspired light localization in low-dimensional structures can offer an alternative of spectral information processing by hybridizing digital and physical properties at a material level.
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Affiliation(s)
- Yunsang Kwak
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Sang Mok Park
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Zahyun Ku
- Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson Air Force Base, Ohio 45433, United States
| | - Augustine Urbas
- Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson Air Force Base, Ohio 45433, United States
| | - Young L Kim
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
- Purdue Quantum Science and Engineering Institute, West Lafayette, Indiana 47907, United States
- Regenstrief Center for Healthcare Engineering, West Lafayette, Indiana 47907, United States
- Purdue University Center for Cancer Research, West Lafayette, Indiana 47907, United States
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36
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Pan XF, Gao HL, Wu KJ, Chen SM, He T, Lu Y, Ni Y, Yu SH. Nacreous aramid-mica bulk materials with excellent mechanical properties and environmental stability. iScience 2021; 24:101971. [PMID: 33490890 PMCID: PMC7808947 DOI: 10.1016/j.isci.2020.101971] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 12/01/2020] [Accepted: 12/16/2020] [Indexed: 11/30/2022] Open
Abstract
Low density, high strength and toughness, together with good environmental stability are always desirable but hardly to achieve simultaneously for man-made structural materials. Replicating the design motifs of natural nacre clearly provides one promising route to obtain such kind of materials, but fundamental challenges remain. Herein, by choosing aramid nanofibers and mica microplatelets as building blocks, we produce a nacreous aramid-mica bulk material with a favorable combination of low density (∼1.7 g cm-3), high strength (∼387 MPa) and toughness (∼14.3 MPa m1/2), and impressive mechanical stability in some harsh environments, including acid/alkali solutions, strong ultraviolet radiation, boiling water, and liquid nitrogen, standing out from previously reported biomimetic bulk composites. Moreover, the obtained material outperforms other bulk nacre-mimetics and most engineering structural materials in terms of its specific strength (227 MPa/[Mg m-3]) and specific toughness (8.4 MPa m1/2/[Mg m-3]), making it a new promising engineering structural material for different technical fields.
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Affiliation(s)
- Xiao-Feng Pan
- Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Institute of Energy, Hefei Comprehensive National Science Center, CAS Center for Excellence in Nanoscience, Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Huai-Ling Gao
- Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Institute of Energy, Hefei Comprehensive National Science Center, CAS Center for Excellence in Nanoscience, Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Kai-Jin Wu
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei 230026, China
| | - Si-Ming Chen
- Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Institute of Energy, Hefei Comprehensive National Science Center, CAS Center for Excellence in Nanoscience, Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Tao He
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China
| | - Yang Lu
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China
| | - Yong Ni
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei 230026, China
| | - Shu-Hong Yu
- Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Institute of Energy, Hefei Comprehensive National Science Center, CAS Center for Excellence in Nanoscience, Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei 230026, China
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei 230026, China
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Tough metal-ceramic composites with multifunctional nacre-like architecture. Sci Rep 2021; 11:1621. [PMID: 33452425 PMCID: PMC7810751 DOI: 10.1038/s41598-021-81068-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 12/16/2020] [Indexed: 11/09/2022] Open
Abstract
The brick-and-mortar architecture of biological nacre has inspired the development of synthetic composites with enhanced fracture toughness and multiple functionalities. While the use of metals as the “mortar” phase is an attractive option to maximize fracture toughness of bulk composites, non-mechanical functionalities potentially enabled by the presence of a metal in the structure remain relatively limited and unexplored. Using iron as the mortar phase, we develop and investigate nacre-like composites with high fracture toughness and stiffness combined with unique magnetic, electrical and thermal functionalities. Such metal-ceramic composites are prepared through the sol–gel deposition of iron-based coatings on alumina platelets and the magnetically-driven assembly of the pre-coated platelets into nacre-like architectures, followed by pressure-assisted densification at 1450 °C. With the help of state-of-the-art characterization techniques, we show that this processing route leads to lightweight inorganic structures that display outstanding fracture resistance, show noticeable magnetization and are amenable to fast induction heating. Materials with this set of properties might find use in transport, aerospace and robotic applications that require weight minimization combined with magnetic, electrical or thermal functionalities.
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38
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Le Ferrand H. Magnetic slip casting for dense and textured ceramics: A review of current achievements and issues. Ann Ital Chir 2021. [DOI: 10.1016/j.jeurceramsoc.2020.08.030] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Pan H, She W, Zuo W, Zhou Y, Huang J, Zhang Z, Geng Z, Yao Y, Zhang W, Zheng L, Miao C, Liu J. Hierarchical Toughening of a Biomimetic Bulk Cement Composite. ACS APPLIED MATERIALS & INTERFACES 2020; 12:53297-53309. [PMID: 33169963 DOI: 10.1021/acsami.0c15313] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Because of the inherent quasibrittleness and heterogeneity, matrix-directed toughening of concrete and cement composites remains to be a huge challenge. Herein, inspired by nacre materials, a novel biomimetic bulk cement composite is fabricated via a facile and efficient process based on compacting prefabricated multisized cement-polymer hybrid prills. This method combines with the three-dimensional "brick-bridge-mortar" structure design and synchronously the intrinsic and extrinsic toughening strategies. Such an approach shows the remarkable maximum toughness enhancement of 27-fold with 71% increase in flexural strength via cooperation with only 4 wt % organic matter. More attractively, it alters the traditional brittle fracture of cement composites to a distinct ductile fracture. In addition, such a biomimetic composite demonstrates the long-term ever-increasing strength and toughness, performing the excellent ductile-fracture retention ability. The hierarchical toughening mechanisms are further revealed with the synergy of microscopic characterizations and simulation methods. This strategy provides a new route for the development of high toughness biomimetic cement-based materials for potential applications in civil engineering domain.
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Affiliation(s)
- Hao Pan
- Jiangsu Key Laboratory of Construction Materials, School of Materials Science and Engineering, Southeast University, Nanjing 211189, China
| | - Wei She
- Jiangsu Key Laboratory of Construction Materials, School of Materials Science and Engineering, Southeast University, Nanjing 211189, China
| | - Wenqiang Zuo
- Laboratoire Navier, IFSTTAR / CNRS / ENPC, Université Gaustave Eiffel, Champs-sur-Marne 77420, France
| | - Yang Zhou
- Jiangsu Key Laboratory of Construction Materials, School of Materials Science and Engineering, Southeast University, Nanjing 211189, China
| | - Jiale Huang
- Jiangsu Key Laboratory of Construction Materials, School of Materials Science and Engineering, Southeast University, Nanjing 211189, China
| | - Zhongwen Zhang
- School of Civil Engineering, Southeast University, Nanjing 211189, China
| | - Zifan Geng
- Jiangsu Key Laboratory of Construction Materials, School of Materials Science and Engineering, Southeast University, Nanjing 211189, China
| | - Yiming Yao
- School of Civil Engineering, Southeast University, Nanjing 211189, China
| | - Wenhua Zhang
- College of Civil Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Li Zheng
- School of Science and Engineering, University of Dundee, Dundee DD1 4HN, U.K
| | - Changwen Miao
- Jiangsu Key Laboratory of Construction Materials, School of Materials Science and Engineering, Southeast University, Nanjing 211189, China
| | - Jiaping Liu
- Jiangsu Key Laboratory of Construction Materials, School of Materials Science and Engineering, Southeast University, Nanjing 211189, China
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41
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Lossada F, Abbasoglu T, Jiao D, Hoenders D, Walther A. Glass Transition Temperature Regulates Mechanical Performance in Nacre‐Mimetic Nanocomposites. Macromol Rapid Commun 2020; 41:e2000380. [DOI: 10.1002/marc.202000380] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 08/26/2020] [Indexed: 01/02/2023]
Affiliation(s)
- Francisco Lossada
- A 3BMS Lab—Active, Adaptive and Autonomous Bioinspired Materials, Institute for Macromolecular Chemistry University of Freiburg Stefan‐Meier‐Str. 31 79104 Freiburg Germany
- Freiburg Materials Research Center (FMF) University of Freiburg Stefan‐Meier‐Str. 21 79104 Freiburg Germany
- Freiburg Center for Interactive Materials and Bioinspired Technologies (FIT) University of Freiburg Georges‐Köhler‐Allee 105 79110 Freiburg Germany
| | - Tansu Abbasoglu
- A 3BMS Lab—Active, Adaptive and Autonomous Bioinspired Materials, Institute for Macromolecular Chemistry University of Freiburg Stefan‐Meier‐Str. 31 79104 Freiburg Germany
- Freiburg Materials Research Center (FMF) University of Freiburg Stefan‐Meier‐Str. 21 79104 Freiburg Germany
- Freiburg Center for Interactive Materials and Bioinspired Technologies (FIT) University of Freiburg Georges‐Köhler‐Allee 105 79110 Freiburg Germany
| | - Dejin Jiao
- A 3BMS Lab—Active, Adaptive and Autonomous Bioinspired Materials, Institute for Macromolecular Chemistry University of Freiburg Stefan‐Meier‐Str. 31 79104 Freiburg Germany
- Freiburg Materials Research Center (FMF) University of Freiburg Stefan‐Meier‐Str. 21 79104 Freiburg Germany
- Freiburg Center for Interactive Materials and Bioinspired Technologies (FIT) University of Freiburg Georges‐Köhler‐Allee 105 79110 Freiburg Germany
| | - Daniel Hoenders
- A 3BMS Lab—Active, Adaptive and Autonomous Bioinspired Materials, Institute for Macromolecular Chemistry University of Freiburg Stefan‐Meier‐Str. 31 79104 Freiburg Germany
- Freiburg Materials Research Center (FMF) University of Freiburg Stefan‐Meier‐Str. 21 79104 Freiburg Germany
- Freiburg Center for Interactive Materials and Bioinspired Technologies (FIT) University of Freiburg Georges‐Köhler‐Allee 105 79110 Freiburg Germany
| | - Andreas Walther
- A 3BMS Lab—Active, Adaptive and Autonomous Bioinspired Materials, Institute for Macromolecular Chemistry University of Freiburg Stefan‐Meier‐Str. 31 79104 Freiburg Germany
- Freiburg Materials Research Center (FMF) University of Freiburg Stefan‐Meier‐Str. 21 79104 Freiburg Germany
- Freiburg Center for Interactive Materials and Bioinspired Technologies (FIT) University of Freiburg Georges‐Köhler‐Allee 105 79110 Freiburg Germany
- Cluster of Excellence Living, Adaptive and Energy‐Autonomous Materials Systems (livMatS) at FIT University of Freiburg Georges‐Köhler‐Allee 105 D‐79110 Freiburg Germany
- Freiburg Institute for Advanced Studies (FRIAS) University of Freiburg Albertstr. 19 79104 Freiburg Germany
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A novel matrix protein PfX regulates shell ultrastructure by binding to specific calcium carbonate crystal faces. Int J Biol Macromol 2020; 156:302-313. [PMID: 32289403 DOI: 10.1016/j.ijbiomac.2020.04.016] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 04/02/2020] [Accepted: 04/05/2020] [Indexed: 11/24/2022]
Abstract
Here, we have identified a novel matrix protein, named PfX, from the pearl oyster Pinctada fucada, and investigated the effects of recombinant PfX protein on calcium carbonate crystallization. The expression of PfX was spatially concentrated in the mantle tissue and gill, the former of which is responsible for the formation of shell structures. The shell notching assay showed a PfX expression response during injured shell repair and regeneration, suggesting the potential involvement of this matrix protein in shell biomineralization. Further, an in vitro crystallization assay showed that PfX could alter the CaCO3 morphologies of both calcite and aragonite polymorphs. Correspondingly, a binding assay indicated that PfX has strong binding affinity for CaCO3 crystals, especially aragonite. Further, the protein's calcite binding capacity increased obviously when particular crystal faces were induced. In addition, PfX conjugated with fluorescent dye cyanine-5 (cy5) was preferentially distributed on rough crystal faces instead of the smooth and common (1 0 4) faces of calcite during the crystallization. These results suggest that matrix protein PfX might regulate CaCO3 morphology via selective binding and inhibit the growth of certain crystal faces, providing new clues for understanding biomineralization mechanisms in mollusk.
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43
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Scalable aesthetic transparent wood for energy efficient buildings. Nat Commun 2020; 11:3836. [PMID: 32737288 PMCID: PMC7395769 DOI: 10.1038/s41467-020-17513-w] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Accepted: 06/24/2020] [Indexed: 11/09/2022] Open
Abstract
Nowadays, energy-saving building materials are important for reducing indoor energy consumption by enabling better thermal insulation, promoting effective sunlight harvesting and offering comfortable indoor lighting. Here, we demonstrate a novel scalable aesthetic transparent wood (called aesthetic wood hereafter) with combined aesthetic features (e.g. intact wood patterns), excellent optical properties (an average transmittance of ~ 80% and a haze of ~ 93%), good UV-blocking ability, and low thermal conductivity (0.24 W m-1K-1) based on a process of spatially selective delignification and epoxy infiltration. Moreover, the rapid fabrication process and mechanical robustness (a high longitudinal tensile strength of 91.95 MPa and toughness of 2.73 MJ m-3) of the aesthetic wood facilitate good scale-up capability (320 mm × 170 mm × 0.6 mm) while saving large amounts of time and energy. The aesthetic wood holds great potential in energy-efficient building applications, such as glass ceilings, rooftops, transparent decorations, and indoor panels.
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Zhang H, Shu J, Wu J, Liu Z. Soft Defect-Tolerant Material Inspired by American Lobsters. ACS APPLIED MATERIALS & INTERFACES 2020; 12:26509-26514. [PMID: 32408733 DOI: 10.1021/acsami.0c07762] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The joint membrane of the American lobster shows an excellent combination of high strength, toughness, and defect tolerance due to the periodic helicoidal stacking of the fiber layers that are connected by a weak continuous matrix. Inspired by the joint membrane of American lobsters, we simply use nonwoven fabrics and silicon rubber to fabricate a multilayer soft composite with the helicoidal stacking and controllable matrix. The influences of stacking structure, matrix strength, fabrics strength, and notch size on the fracture behavior of the soft composite during the tensile process are systematically analyzed by both experimental tests and finite element analysis (FEA). We find that similar to the joint membrane, the soft composite demonstrates a gradual failure process and a linear relationship between tensile strength/toughness and notch size. Such phenomena demonstrate the strong defect-tolerant ability, thereby imparting the soft composite with both high strength and toughness. The defect-tolerant ability is closely related to the helicoidal stacking and weak matrix between the fabrics layers, which induce crack deflection and inhibit the propagation of cracks across the sample.
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Affiliation(s)
- Hao Zhang
- State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Jingheng Shu
- Key Laboratory for Biomechanical Engineering of Sichuan Province, Sichuan University, Chengdu 610065, China
| | - Jinrong Wu
- State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Zhan Liu
- Key Laboratory for Biomechanical Engineering of Sichuan Province, Sichuan University, Chengdu 610065, China
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45
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A periodic dodecagonal supertiling by self-assembly of star-shaped molecules in the liquid crystalline state. Commun Chem 2020; 3:70. [PMID: 36703439 PMCID: PMC9814142 DOI: 10.1038/s42004-020-0314-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Accepted: 05/06/2020] [Indexed: 01/29/2023] Open
Abstract
Molecular tessellations are known in solid state systems and their formation is often induced or supported by a periodic surface lattice. Here we discover a complex tessellation on the 10 nm length scale, spontaneously formed in the highly dynamic liquid crystalline state. It is composed of overlapping dodecagonal supertiles combining prismatic cells with triangular and square cross sections. This complex honeycomb occurs between a triangular honeycomb at high and a square at low temperature, being opposite to the sequence expected for a thermal expansion of the side chains in the prismatic cells. Formation of the supertiles is supported by the segregation of alkyl chains with different length. The emergent behaviour of this complex soft matter structure is demonstrated, and intriguing connections between self-assembly on surfaces, in liquid crystals, and in block copolymers are drawn. Moreover, the tessellation represents a close approximant of the elusive columnar liquid quasicrystal with dodecagonal symmetry.
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46
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Gao W, Wang M, Bai H. A review of multifunctional nacre-mimetic materials based on bidirectional freeze casting. J Mech Behav Biomed Mater 2020; 109:103820. [PMID: 32543396 DOI: 10.1016/j.jmbbm.2020.103820] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 03/03/2020] [Accepted: 04/20/2020] [Indexed: 12/13/2022]
Abstract
Nacre has achieved an excellent combination of strength and toughness through its unique brick-and-mortar structure of layered aragonite platelets bonded with biopolymers. Mimicking nacre has been considered as a practical way for the development of high-performance structural composites. Over the past years, many techniques have been developed to fabricate multifunctional nacre-mimetic materials, including freeze casting, layer-by-layer assembly, vacuum filtration, 3D printing and so on. Among them, freeze casting, especially bidirectional freeze casting, as an environmentally friendly and scalable method, has attracted extensive attention recently. In this review, we begin with the introduction and discussion of various fabrication techniques comparing their advantages and disadvantages, focusing on the most recent advances of the bidirectional freeze casting technique. Then, we summarize representative examples of applying the bidirectional freeze casting technique to assemble various building blocks into multifunctional nacre-mimetic materials and their wide applications. At the end, we discuss the future direction of using bidirectional freeze casting to make nacre-mimetic materials.
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Affiliation(s)
- Weiwei Gao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Key Laboratory of Adsorption and Separation Materials & Technologies of Zhejiang Province, China
| | - Mengning Wang
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Hao Bai
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China.
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47
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Tai Z, Wei J, Zhou J, Liao Y, Wu C, Shang Y, Wang B, Wang Q. Water-mediated crystallohydrate-polymer composite as a phase-change electrolyte. Nat Commun 2020; 11:1843. [PMID: 32296049 PMCID: PMC7160156 DOI: 10.1038/s41467-020-15415-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Accepted: 03/06/2020] [Indexed: 12/03/2022] Open
Abstract
With the world's focus on wearable electronics, the scientific community has anticipated the plasticine-like processability of electrolytes and electrodes. A bioinspired composite of polymer and phase-changing salt with the similar bonding structure to that of natural bones is a suitable electrolyte candidate. Here, we report a water-mediated composite electrolyte by simple thermal mixing of crystallohydrate and polymer. The processable phase-change composites have significantly high mechanical strength and high ionic mobility. The wide operating voltage range and high faradic capacity of the composite both contribute to the maximum energy density. The convenient assembly and high thermal-shock resistance of our device are due to the mechanical interlocking and endothermic phase-change effect. As of now, no other non-liquid electrolytes, including those made from ceramics, polymers, or hydrogels, possess all of these features. Our work provides a universal strategy to fabricate various thermally manageable devices via phase-change electrolytes.
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Affiliation(s)
- Ziyang Tai
- Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power, Shanghai, 200090, China
- School of Chemical Science and Engineering, Tongji University, Siping Road 1239, Shanghai, 200092, China
| | - Junjie Wei
- School of Chemical Science and Engineering, Tongji University, Siping Road 1239, Shanghai, 200092, China
| | - Jie Zhou
- School of Chemical Science and Engineering, Tongji University, Siping Road 1239, Shanghai, 200092, China
| | - Yue Liao
- School of Chemical Science and Engineering, Tongji University, Siping Road 1239, Shanghai, 200092, China
| | - Chu Wu
- School of Chemical Science and Engineering, Tongji University, Siping Road 1239, Shanghai, 200092, China
| | - Yinghui Shang
- School of Chemical Science and Engineering, Tongji University, Siping Road 1239, Shanghai, 200092, China
| | - Baofeng Wang
- Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power, Shanghai, 200090, China.
| | - Qigang Wang
- School of Chemical Science and Engineering, Tongji University, Siping Road 1239, Shanghai, 200092, China.
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Cerbelaud M, Muñoz M, Rossignol F, Videcoq A. Self-Organization of Large Alumina Platelets and Silica Nanoparticles by Heteroaggregation and Sedimentation: Toward an Alternative Shaping of Nacre-Like Ceramic Composites. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:3315-3322. [PMID: 32167774 DOI: 10.1021/acs.langmuir.0c00170] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Nacre-like ceramic composites are of importance in a wide range of applications, because of their mechanical properties, combining high mechanical strength and high fracture toughness. Those mechanical properties are the result of strongly aligned platelets glued in a matrix. Different methods exist to shape such a "brick-and-mortar" hierarchical structure. In this paper, we propose to use the phenomenon of heteroaggregation between silica nanoparticles and large alumina platelets. Experimental and numerical results show that silica nanoparticles can adsorb on alumina platelets with good distribution. This adsorption promotes the deagglomeration of alumina that can self-organize in layers by sedimentation. This phenomenon can be exploited to shape alumina-silica nacre-like composites.
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Affiliation(s)
| | - Mariana Muñoz
- Université de Limoges, CNRS, IRCER, UMR 7315, F-87000 Limoges, France
| | - Fabrice Rossignol
- Université de Limoges, CNRS, IRCER, UMR 7315, F-87000 Limoges, France
| | - Arnaud Videcoq
- Université de Limoges, CNRS, IRCER, UMR 7315, F-87000 Limoges, France
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