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Hou X, Chen J, Chen Z, Yu D, Zhu S, Liu T, Chen L. Flexible Aerogel Materials: A Review on Revolutionary Flexibility Strategies and the Multifunctional Applications. ACS NANO 2024; 18:11525-11559. [PMID: 38655632 DOI: 10.1021/acsnano.4c00347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
The design and preparation of flexible aerogel materials with high deformability and versatility have become an emerging research topic in the aerogel fields, as the brittle nature of traditional aerogels severely affects their safety and reliability in use. Herein, we review the preparation methods and properties of flexible aerogels and summarize the various controlling and design methods of aerogels to overcome the fragility caused by high porosity and nanoporous network structure. The mechanical flexibility of aerogels can be revolutionarily improved by monomer regulation, nanofiber assembly, structural design and controlling, and constructing of aerogel composites, which can greatly broaden the multifunctionality and practical application prospects. The design and construction criterion of aerogel flexibility is summarized: constructing a flexible and deformable microstructure in an aerogel matrix. Besides, the derived multifunctional applications in the fields of flexible thermal insulation (flexible thermal protection at extreme temperatures), flexible wearable electronics (flexible sensors, flexible electrodes, electromagnetic shielding, and wave absorption), and environmental protection (oil/water separation and air filtration) are summarized. Furthermore, the future development prospects and challenges of flexible aerogel materials are also summarized. This review will provide a comprehensive research basis and guidance for the structural design, fabrication methods, and potential applications of flexible aerogels.
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Affiliation(s)
- Xianbo Hou
- College of Aerospace Engineering, Chongqing University, Chongqing 400030, People's Republic of China
| | - Jia Chen
- College of Aerospace Engineering, Chongqing University, Chongqing 400030, People's Republic of China
| | - Zhilin Chen
- College of Aerospace Engineering, Chongqing University, Chongqing 400030, People's Republic of China
| | - Dongqin Yu
- College of Bioengineering, Chongqing University, Chongqing 400044, People's Republic of China
| | - Shaowei Zhu
- College of Aerospace Engineering, Chongqing University, Chongqing 400030, People's Republic of China
| | - Tao Liu
- College of Aerospace Engineering, Chongqing University, Chongqing 400030, People's Republic of China
| | - Liming Chen
- College of Aerospace Engineering, Chongqing University, Chongqing 400030, People's Republic of China
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2
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Ma Y, Ying P, Luo K, Wu Y, Li B, He J. Theoretical insights into the structural, mechanical, and electronic properties of bcc-C40 carbon. Phys Chem Chem Phys 2024; 26:10932-10939. [PMID: 38525965 DOI: 10.1039/d4cp00149d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/26/2024]
Abstract
Novel materials displaying multiple exceptional properties are the backbone of the advancement of various industries. In the field of carbon materials, the combination of different properties has been extensively developed to satisfy diverse application scenarios, for instance, conductivity paired with exceptional hardness, outstanding toughness coupled with super-hardness, or heat resistance combined with super-hardness. In this work, a new carbon allotrope, bcc-C40 carbon, was predicted and investigated using first-principles calculations based on density functional theory. The allotrope exhibits unique structural features, including a combination of sp3 hybridized diatomic carbon and four-fold carbon chains. The mechanical and dynamic stability of bcc-C40 carbon has been demonstrated by its elastic constants and phonon spectra. Additionally, bcc-C40 carbon exhibits remarkable mechanical properties, such as zero homogeneous Poisson's ratio, superhardness with a value of 58 GPa, and stress-adaptive toughening. The analysis of the electronic properties demonstrates that bcc-C40 carbon is a semiconductor with an indirect band gap of 3.255 eV within the HSE06 functional, which increases with the increase in pressure. At a pressure of 150 GPa, bcc-C40 carbon transforms into a direct band gap material. These findings suggest the prospective use of bcc-C40 carbon as a superhard material and a novel semiconductor.
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Affiliation(s)
- Ying Ma
- Center for High Pressure Science (CHiPS), State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, China.
| | - Pan Ying
- Center for High Pressure Science (CHiPS), State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, China.
- National Key Laboratory of Advanced Casting Technologies, MIIT Key Laboratory of Advanced Metallic and Intermetallic Materials Technology, Engineering Research Center of Materials Behavior and Design, Ministry of Education, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Kun Luo
- Center for High Pressure Science (CHiPS), State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, China.
| | - Yingju Wu
- Center for High Pressure Science (CHiPS), State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, China.
- Key Laboratory of Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao 066004, China
| | - Baozhong Li
- Center for High Pressure Science (CHiPS), State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, China.
| | - Julong He
- Center for High Pressure Science (CHiPS), State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, China.
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Yang J, Li M, Fang S, Wang Y, He H, Wang C, Zhang Z, Yuan B, Jiang L, Baughman RH, Cheng Q. Water-induced strong isotropic MXene-bridged graphene sheets for electrochemical energy storage. Science 2024; 383:771-777. [PMID: 38359121 DOI: 10.1126/science.adj3549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 01/18/2024] [Indexed: 02/17/2024]
Abstract
Graphene and two-dimensional transition metal carbides and/or nitrides (MXenes) are important materials for making flexible energy storage devices because of their electrical and mechanical properties. It remains a challenge to assemble nanoplatelets of these materials at room temperature into in-plane isotropic, free-standing sheets. Using nanoconfined water-induced basal-plane alignment and covalent and π-π interplatelet bridging, we fabricated Ti3C2Tx MXene-bridged graphene sheets at room temperature with isotropic in-plane tensile strength of 1.87 gigapascals and moduli of 98.7 gigapascals. The in-plane room temperature electrical conductivity reached 1423 siemens per centimeter, and volumetric specific capacity reached 828 coulombs per cubic centimeter. This nanoconfined water-induced alignment likely provides an important approach for making other aligned macroscopic assemblies of two-dimensional nanoplatelets.
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Affiliation(s)
- Jiao Yang
- School of Chemistry, Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of the Ministry of Education, Beihang University, Beijing 100191, China
| | - Mingzhu Li
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Shaoli Fang
- Alan G. MacDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Yanlei Wang
- Beijing Key Laboratory of Ionic Liquids Clean Process, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Hongyan He
- Beijing Key Laboratory of Ionic Liquids Clean Process, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Chenlu Wang
- Beijing Key Laboratory of Ionic Liquids Clean Process, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Zejun Zhang
- School of Chemistry, Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of the Ministry of Education, Beihang University, Beijing 100191, China
| | - Bicheng Yuan
- School of Chemistry, Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of the Ministry of Education, Beihang University, Beijing 100191, China
| | - Lei Jiang
- School of Chemistry, Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of the Ministry of Education, Beihang University, Beijing 100191, China
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- School of Chemistry and Materials Science, University of Science and Technology of China, Hefei 230026, China
- Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou 215123, China
| | - Ray H Baughman
- Alan G. MacDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Qunfeng Cheng
- School of Chemistry, Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of the Ministry of Education, Beihang University, Beijing 100191, China
- School of Chemistry and Materials Science, University of Science and Technology of China, Hefei 230026, China
- Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou 215123, China
- Institute of Energy Materials Science (IEMS), University of Shanghai for Science and Technology, Shanghai 200093, China
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Chang X, Wu F, Cheng X, Zhang H, He L, Li W, Yin X, Yu J, Liu YT, Ding B. Multiscale Interpenetrated/Interconnected Network Design Confers All-Carbon Aerogels with Unprecedented Thermomechanical Properties for Thermal Insulation under Extreme Environments. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2308519. [PMID: 37913824 DOI: 10.1002/adma.202308519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 10/26/2023] [Indexed: 11/03/2023]
Abstract
With ultralight weight, low thermal conductivity, and extraordinary high-temperature resistance, carbon aerogels hold tremendous potential against severe thermal threats encountered by hypersonic vehicles during the in-orbit operation and re-entry process. However, current 3D aerogels are plagued by irreconcilable contradictions between adiabatic and mechanical performance due to monotonicity of the building blocks or uncontrollable assembly behavior. Herein, a spatially confined assembly strategy of multiscale low-dimensional nanocarbons is reported to decouple the stress and heat transfer. The nanofiber framework, a basis for transferring the loading strain, is covered by a continuous thin-film-like layer formed by the aggregation of nanoparticles, which in combination serve as the fundamental structural units for generating an elastic behavior while yielding compartments in aerogels to suppress the gaseous fluid thermal diffusion within distinct partitions. The resulting all-carbon aerogels with a hierarchical cellular structure and quasi-closed cell walls achieve the best thermomechanical and insulation trade-off, exhibiting flyweight density (24 mg cm-3 ), temperature-constant compressibility (-196-1600 °C), and a low thermal conductivity of 0.04 829 W m-1 K-1 at 300 °C. This strategy provides a remarkable thermal protection material in hostile environments for future aerospace exploration.
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Affiliation(s)
- Xinyi Chang
- Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai, 201620, China
| | - Fan Wu
- Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai, 201620, China
| | - Xiaota Cheng
- Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai, 201620, China
| | - Hao Zhang
- Aerospace Institute of Advanced Material & Processing Technology, Beijing, 100074, China
| | - Lijuan He
- Aerospace Institute of Advanced Material & Processing Technology, Beijing, 100074, China
| | - Wenjing Li
- Aerospace Institute of Advanced Material & Processing Technology, Beijing, 100074, China
| | - Xia Yin
- Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai, 201620, China
| | - Jianyong Yu
- Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai, 201620, China
| | - Yi-Tao Liu
- Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai, 201620, China
| | - Bin Ding
- Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai, 201620, China
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Yang Y, Dang B, Wang C, Chen Y, Chen K, Chen X, Li Y, Sun Q. Ultrastrong lightweight nanocellulose-based composite aerogels with robust superhydrophobicity and durable thermal insulation under extremely environment. Carbohydr Polym 2024; 323:121392. [PMID: 37940285 DOI: 10.1016/j.carbpol.2023.121392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/21/2023] [Accepted: 09/12/2023] [Indexed: 11/10/2023]
Abstract
Ultra-lightweight porous aerogels based on nanocellulose (NC) have promising applications in various fields such as building insulation, sewage treatment, energy storage, and aerospace. One of the key advantages of these aerogels is their exceptionally low thermal conductivity. Nevertheless, the thermal insulation of NC aerogel (NCA) can deteriorate with changes in temperature and humidity conditions, making it crucial to develop a bulk aerogel that can maintain exceptional thermal insulating properties in harsh environmental conditions. A sustainable and user-friendly approach to synthesizing cellulose/poly(vinyl alcohol) aerogel (CellPA) materials has been developed, which are lightweight, possess good insulating properties, and demonstrate robust superhydrophobicity even in harsh environmental conditions. The CellPA are both exceptionally lightweight and robust, boasting outstanding resistance to combustion while also displaying a thermal conductivity of 36.1 mW m-1 K-1, suggesting they hold great promise for insulation applications. Furthermore, CellPA also exhibits robust superhydrophobicity even under harsh conditions, confirming the homogenous superhydrophobic modification of the biodegradable PVA through chemical methods. The manufacturing of bio-based composite materials with enhanced mechanical and thermal insulation features has gained immense popularity in a broad spectrum of contemporary engineering applications. These composite materials are particularly valuable as a robust, energy-efficient, lightweight, waterproof and flameproof for construction materials.
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Affiliation(s)
- Yushan Yang
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou 311300, PR China
| | - Baokang Dang
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou 311300, PR China; Guangxi Fenglin Wood Industry Group Co., Ltd., Nanning 530000, PR China
| | - Chao Wang
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou 311300, PR China
| | - Yipeng Chen
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou 311300, PR China
| | - Kaicong Chen
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou 311300, PR China
| | - Xinjie Chen
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou 311300, PR China
| | - Yingying Li
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou 311300, PR China.
| | - Qingfeng Sun
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou 311300, PR China.
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Yang S, Cao C, Yan S, Gu Y, Ji J, Zhou Z, Liu C, Yang J, Zhang R, Xue Y, Tang C. Condensation-assembly synthesis of three-dimensionally porous boron nitride for effective oil removal. CHEMOSPHERE 2023; 345:140530. [PMID: 37890791 DOI: 10.1016/j.chemosphere.2023.140530] [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: 08/17/2023] [Revised: 10/14/2023] [Accepted: 10/23/2023] [Indexed: 10/29/2023]
Abstract
A template-free pyrolysis route has been developed using condensation-assembly precursors made of trimethoxyboroxane (TMB) and melamine (M) to cater the requirements of an industrial real-world environment. The precursors contain abundant B-N bonds and exhibit a high level of interconnectivity, resulting in 3D-PBN with enhanced mechanical properties and the ability to be easily customized in terms of shape. Moreover, 3D-PBN demonstrates rapid adsorption kinetics and excellent reusability, efficiently removing up to 270% of its own weight of fuel within 30 s and being readily regenerated through simple calcination. Even after undergoing 50 cycles, the mechanical properties remain at a remarkable 80%, while the adsorption performance exceed 95%. Furthermore, a comprehensive analysis of thermal behavior from precursor to 3D-PBN has been conducted, leading to the proposal of a molecular-scale evolution process comprising four major steps. This understanding enables us to control the phase reaction and regulate the composition of the products, which is crucial for determining the characteristics of the final product.
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Affiliation(s)
- Shaobo Yang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, PR China; Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin, 300130, PR China
| | - Chaochao Cao
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin, 300130, PR China; Hebei Key Laboratory of Functional Polymers, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin, 300130, PR China.
| | - Song Yan
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, PR China; Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin, 300130, PR China
| | - Yaxin Gu
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, PR China; Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin, 300130, PR China
| | - Jiawei Ji
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, PR China; Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin, 300130, PR China
| | - Zheng Zhou
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, PR China; Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin, 300130, PR China
| | - Chaoze Liu
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, PR China; Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin, 300130, PR China
| | - Jingwen Yang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, PR China; Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin, 300130, PR China
| | - Rongjuan Zhang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, PR China; Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin, 300130, PR China
| | - Yanming Xue
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, PR China; Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin, 300130, PR China
| | - Chengchun Tang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, PR China; Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin, 300130, PR China.
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7
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Li M, Zhao N, Mao A, Wang M, Shao Z, Gao W, Bai H. Preferential ice growth on grooved surface for crisscross-aligned graphene aerogel with large negative Poisson's ratio. Nat Commun 2023; 14:7855. [PMID: 38030631 PMCID: PMC10687255 DOI: 10.1038/s41467-023-43441-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 11/08/2023] [Indexed: 12/01/2023] Open
Abstract
Ice formation on solid surfaces is a ubiquitous process in our daily life, and ice orientation plays a critical role in anti-icing/deicing, organ cryo-preservation, and material fabrication. Although previous studies have shown that surface grooves can regulate the orientation of ice crystals, whether the parallel or perpendicular alignment to the grooves is still under debate. Here, we systematically investigate ice formation and its oriented growth on grooved surfaces through both in situ observation and theoretical simulation, and discover a remarkable size effect of the grooves. With the designability of surface groove patterns, the preferential growth of ice crystals is programmed for the fabrication of a crisscross-aligned graphene aerogel with large negative Poisson's ratio. In addition, the size effect provides guidance for the design and fabrication of solid surfaces where the effective control of ice orientation is highly desired, such as efficient deicing, long time organ cryo-preservation, and ice-templated materials.
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Affiliation(s)
- Meng Li
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, 310058, Hangzhou, China
- Institute of Zhejiang University-Quzhou, 324000, Quzhou, China
| | - Nifang Zhao
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, 310058, Hangzhou, China
| | - Anran Mao
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, 310058, Hangzhou, China
| | - Mengning Wang
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, 310058, Hangzhou, China
| | - Ziyu Shao
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, 310058, Hangzhou, China
| | - Weiwei Gao
- Department of Polymer Science and Engineering, Zhejiang University, 310058, Hangzhou, China.
| | - Hao Bai
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, 310058, Hangzhou, China.
- Institute of Zhejiang University-Quzhou, 324000, Quzhou, China.
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Zhao Y, Qi H, Dong X, Yang Y, Zhai W. Customizable Resilient Multifunctional Graphene Aerogels via Blend-spinning assisted Freeze Casting. ACS NANO 2023; 17:15615-15628. [PMID: 37540788 DOI: 10.1021/acsnano.3c02491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/06/2023]
Abstract
Graphene aerogels have gained considerable attention due to their unique physical properties, but their poor mechanical properties and lack of functionality have hindered their advanced applications. In this study, we propose a blend-spinning-assisted freeze-casting (BSFC) strategy to incorporate particle-modified carbon fibers into graphene aerogels for mechanical strengthening and functional enhancement. This method offers a great deal of freedom in the creation of customizable multimaterial, multiscale structural graphene aerogels. For example, we fabricated silicon carbide particle modified carbon fiber reinforced graphene (SiC/CF-GA) aerogels. The resulting aerogels display excellent properties such as being ultralightweight and highly resilient and having fatigue compression resistance (1000 cycles at 50% strain). Meanwhile, enhanced resilience inspired the effective strain-sensing capabilities of SiC/CF-GA aerogels with a sensitivity of 13.8 kPa-1. The adjustable dielectric properties due to SiC particle incorporation endow the SiC/CF-GA aerogel with a broad-band (8.0 GHz) effective electromagnetic wave attenuation performance. Besides, different particles could be incorporated into graphene aerogels via the BSFC strategy, allowing for customizable designs. Moreover, multifunctionalities were demonstrated by the modified aerogels, including noise absorption, thermal insulation, fire resistance, and waterproofing, further diversifying their practicality. Hence, the BSFC strategy provides a customized solution for fabricating modified graphene aerogels for advanced functional applications.
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Affiliation(s)
- Yijing Zhao
- Department of Mechanical Engineering, National University of Singapore, 117575 Singapore, Singapore
| | - Haobo Qi
- Department of Mechanical Engineering, National University of Singapore, 117575 Singapore, Singapore
| | - Xinyu Dong
- Department of Mechanical Engineering, National University of Singapore, 117575 Singapore, Singapore
| | - Yong Yang
- National University of Singapore, 5A Engineering Drive 1, 117411 Singapore, Singapore
| | - Wei Zhai
- Department of Mechanical Engineering, National University of Singapore, 117575 Singapore, Singapore
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9
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Tian L, Gu H, Zhang Q, You X, Wang M, Yang J, Dong SM. Multifunctional Hierarchical Metamaterial for Thermal Insulation and Electromagnetic Interference Shielding at Elevated Temperatures. ACS NANO 2023. [PMID: 37378455 DOI: 10.1021/acsnano.3c03332] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/29/2023]
Abstract
The custom design of lightweight cellular materials is widely concerned due to effectively improved mechanical properties and functional applications. However, the strength attenuation and brittleness behavior hinder honeycomb structure design for the ceramic monolith. Herein, the ceramic matrix composite metamaterial (CCM) with a negative Poisson's ratio and high specific strength, exhibiting superelasticity, stability, and high compressive strength, is customized by combining centripetal freeze-casting and hierarchical structures. CCM maintains a negative Poisson's ratio response under compression with the lowest value reaching -0.16, and the relationship between CCM's specific modulus and density is E ∼ ρ1.3, which indicates the mechanical metamaterial characteristic of high specific strength. In addition to the extraordinary mechanical performance endowed by hierarchical structures, the CCM exhibits excellent thermal insulation and electromagnetic interference shielding properties, in which the thermal conductivity is 30.62 mW·m-1·K-1 and the electromagnetic interference (EMI) shielding efficiency (SE) reaches 40 dB at room temperature. The specific EMI shielding efficiency divided by thickness (SSE/t) of CCM can reach 9416 dB·cm2·g-1 at 700 °C due to its stability at elevated temperatures, which is 100 times higher than that of traditional ceramic matrix composites. Moreover, the designed hierarchical structure and metamaterial properties provide a potential scheme to implement cellular materials with collaborative optimization in structure and function.
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Affiliation(s)
- Li Tian
- State Key Laboratory of High Performance Ceramics & Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
- Structural Ceramics and Composites Engineering Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
- University of Chinese Academy of Sciences, Beijing 100039, China
| | - Haodong Gu
- State Key Laboratory of High Performance Ceramics & Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
- Structural Ceramics and Composites Engineering Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
- University of Chinese Academy of Sciences, Beijing 100039, China
| | - Qiuqi Zhang
- State Key Laboratory of High Performance Ceramics & Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
- Structural Ceramics and Composites Engineering Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
| | - Xiao You
- State Key Laboratory of High Performance Ceramics & Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
- Structural Ceramics and Composites Engineering Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
| | - Mengmeng Wang
- State Key Laboratory of High Performance Ceramics & Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
- Structural Ceramics and Composites Engineering Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
- University of Chinese Academy of Sciences, Beijing 100039, China
| | - Jinshan Yang
- State Key Laboratory of High Performance Ceramics & Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
- Structural Ceramics and Composites Engineering Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
| | - Shao-Ming Dong
- State Key Laboratory of High Performance Ceramics & Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
- Structural Ceramics and Composites Engineering Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
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10
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Dai Q, Li D, Sun Y, Wang H, Lu Y, Yang D. Low temperature-resistant superhydrophobic and elastic cellulose aerogels derived from seaweed solid waste as efficient oil traps for oil/water separation. CHEMOSPHERE 2023; 336:139179. [PMID: 37330065 DOI: 10.1016/j.chemosphere.2023.139179] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 06/07/2023] [Accepted: 06/08/2023] [Indexed: 06/19/2023]
Abstract
Aerogel has excellent application potential in adsorption, heat preservation, and other areas due to its typical advantages of low density and high porosity. However, there are several issues with the use of aerogel in oil/water separation, including weak mechanical qualities and challenges in eliminating organic contaminants at low temperature. Inspired by cellulose Iα, which has excellent performance at low temperature, this study used cellulose Iα nanofibers extracted from seaweed solid waste as the skeleton, through covalent cross-linked with ethylene imine polymer (PEI) and hydrophobic modification of 1, 4-phenyl diisocyanate (MDI), supplemented by freeze-drying technology to form three-dimensional sheet, and successfully obtained cellulose aerogels derived from seaweed solid waste (SWCA). The compression test shows that the maximum compressive stress of SWCA is 61 kPa, and the initial performance still maintains 82% after 40 cryogenic compression cycles. In addition, the contact angles of water and oil on the surface of the SWCA were 153° and 0°, respectively, and the stable hydrophobic time in simulated seawater is more than 3 h. By combining the elasticity and superhydrophobicity/superoleophilicity, the SWCA with an oil absorption capacity of up to 11-30 times its mass, might be utilized repeatedly for the separation of an oil/water mixture.
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Affiliation(s)
- Qinglin Dai
- State Key Laboratory of Bio-fibers and Eco-textiles, School of Environmental Science and Engineering, Institute of Marine Biobased Materials, Qingdao University, Qingdao, 266071, China
| | - Daohao Li
- State Key Laboratory of Bio-fibers and Eco-textiles, School of Environmental Science and Engineering, Institute of Marine Biobased Materials, Qingdao University, Qingdao, 266071, China
| | - Yuanyuan Sun
- State Key Laboratory of Bio-fibers and Eco-textiles, School of Environmental Science and Engineering, Institute of Marine Biobased Materials, Qingdao University, Qingdao, 266071, China
| | - Hu Wang
- State Key Laboratory of Bio-fibers and Eco-textiles, School of Environmental Science and Engineering, Institute of Marine Biobased Materials, Qingdao University, Qingdao, 266071, China
| | - Yun Lu
- Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing, 100091, China.
| | - Dongjiang Yang
- State Key Laboratory of Bio-fibers and Eco-textiles, School of Environmental Science and Engineering, Institute of Marine Biobased Materials, Qingdao University, Qingdao, 266071, China.
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11
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Zhuang L, Lu D, Zhang J, Guo P, Su L, Qin Y, Zhang P, Xu L, Niu M, Peng K, Wang H. Highly cross-linked carbon tube aerogels with enhanced elasticity and fatigue resistance. Nat Commun 2023; 14:3178. [PMID: 37264018 DOI: 10.1038/s41467-023-38664-6] [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: 01/11/2023] [Accepted: 05/09/2023] [Indexed: 06/03/2023] Open
Abstract
Carbon aerogels are elastic, mechanically robust and fatigue resistant and are known for their promising applications in the fields of soft robotics, pressure sensors etc. However, these aerogels are generally fragile and/or easily deformable, which limits their applications. Here, we report a synthesis strategy for fabricating highly compressible and fatigue-resistant aerogels by assembling interconnected carbon tubes. The carbon tube aerogels demonstrate near-zero Poisson's ratio, exhibit a maximum strength over 20 MPa and a completely recoverable strain up to 99%. They show high fatigue resistance (less than 1.5% permanent degradation after 1000 cycles at 99% strain) and are thermally stable up to 2500 °C in an Ar atmosphere. Additionally, they possess tunable conductivity and electromagnetic shielding. The combined mechanical and multi-functional properties offer an attractive material for the use in harsh environments.
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Affiliation(s)
- Lei Zhuang
- State Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University, 710049, Xi'an, China
| | - De Lu
- State Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University, 710049, Xi'an, China
| | - Jijun Zhang
- State Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University, 710049, Xi'an, China
| | - Pengfei Guo
- State Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University, 710049, Xi'an, China
| | - Lei Su
- State Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University, 710049, Xi'an, China
| | - Yuanbin Qin
- State Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University, 710049, Xi'an, China
| | - Peng Zhang
- State Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University, 710049, Xi'an, China
| | - Liang Xu
- State Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University, 710049, Xi'an, China
| | - Min Niu
- State Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University, 710049, Xi'an, China
| | - Kang Peng
- State Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University, 710049, Xi'an, China
| | - Hongjie Wang
- State Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University, 710049, Xi'an, China.
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12
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Liu F, Jiang Y, Feng J, Li L, Feng J. Ultralight elastic Al 2O 3 nanorod-graphene aerogel for pressure sensing and thermal superinsulation. RSC Adv 2023; 13:15190-15198. [PMID: 37213335 PMCID: PMC10193382 DOI: 10.1039/d3ra01070h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 04/24/2023] [Indexed: 05/23/2023] Open
Abstract
Novel nanorod aerogels have gained tremendous attention owing to their unique structure. However, the intrinsic brittleness of ceramics still severely limits their further functionalization and application. Here, based on the self-assembly between one-dimensional (1D) Al2O3 nanorods and two-dimensional (2D) graphene sheets, lamellar binary Al2O3 nanorod-graphene aerogels (ANGAs) were prepared by the bidirectional freeze-drying technique. Thanks to the synergistic effect of rigid Al2O3 nanorods and high specific extinction coefficient elastic graphene, the ANGAs not only exhibit robust structure and variable resistance under pressure, but also possess superior thermal insulation properties compared to pure Al2O3 nanorod aerogels. Therefore, a series of fascinating features such as ultra-low density (3.13-8.26 mg cm-3), enhanced compressive strength (6 times higher than graphene aerogel), excellent pressure sensing durability (500 cycles at 40% strain) and ultra-low thermal conductivity (0.0196 W m-1 K-1 at 25 °C and 0.0702 W m-1 K-1 at 1000 °C) are integrated in ANGAs. The present work provides fresh insight into the fabrication of ultralight thermal superinsulating aerogels and the functionalization of ceramic aerogels.
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Affiliation(s)
- Fengqi Liu
- Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, College of Aerospace Science and Technology, National University of Defense Technology Changsha 410073 P. R. China
| | - Yonggang Jiang
- Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, College of Aerospace Science and Technology, National University of Defense Technology Changsha 410073 P. R. China
| | - Junzong Feng
- Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, College of Aerospace Science and Technology, National University of Defense Technology Changsha 410073 P. R. China
| | - Liangjun Li
- Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, College of Aerospace Science and Technology, National University of Defense Technology Changsha 410073 P. R. China
| | - Jian Feng
- Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, College of Aerospace Science and Technology, National University of Defense Technology Changsha 410073 P. R. China
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13
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Yang G, Zhang X, Wang R, Liu X, Zhang J, Zong L, Yang H. Ultra-stretchable graphene aerogels at ultralow temperatures. MATERIALS HORIZONS 2023; 10:1865-1874. [PMID: 36892431 DOI: 10.1039/d3mh00014a] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Graphene aerogels (GAs) possess workable deformation and sensing properties at extreme temperatures. However, their poor tensile properties have restricted their applications in stretchable electronic devices, smart soft robots, and aerospace. Herein, an ultra-stretchable and elastic graphene aerogel with record elongation from -95% to 400% was achieved by constructing a highly crimped and crosslinked graphene network using a microbubble-filled GA precursor by a simple compress-annealing process. This conductive aerogel with near zero Poisson's ratio showed rubber-like but temperature-invariant elasticity from 196.5 °C to 300 °C, and special strain insensitivity from 50% to 400% tensile strain and high sensitivity below 50% tensile strain. Therefore, it can be used as a highly stretchable but strain-insensitive conductor under extreme environments, in which these polymer-based stretchable conductive materials are not workable. Moreover, this work provides new thoughts on constructing inorganic ultra-stretchable materials.
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Affiliation(s)
- Guohui Yang
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, Qingdao University of Science & Technology, Qingdao, 266042, China.
| | - Xiaofang Zhang
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, Qingdao University of Science & Technology, Qingdao, 266042, China.
| | - Ruijia Wang
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, Qingdao University of Science & Technology, Qingdao, 266042, China.
| | - Xu Liu
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, Qingdao University of Science & Technology, Qingdao, 266042, China.
| | - Jianming Zhang
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, Qingdao University of Science & Technology, Qingdao, 266042, China.
| | - Lu Zong
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, Qingdao University of Science & Technology, Qingdao, 266042, China.
| | - Hongsheng Yang
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, Qingdao University of Science & Technology, Qingdao, 266042, China.
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14
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Wang Z, Liu L, Zhang Y, Huang Y, Liu J, Zhang X, Liu X, Teng H, Zhang X, Zhang J, Yang H. A Review of Graphene-Based Materials/Polymer Composite Aerogels. Polymers (Basel) 2023; 15:polym15081888. [PMID: 37112034 PMCID: PMC10146249 DOI: 10.3390/polym15081888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 04/12/2023] [Accepted: 04/13/2023] [Indexed: 04/29/2023] Open
Abstract
The fabrication of composite materials is an effective way to improve the performance of a single material and expand its application range. In recent years, graphene-based materials/polymer composite aerogels have become a hot research field for preparing high-performance composites due to their special synergistic effects in mechanical and functional properties. In this paper, the preparation methods, structures, interactions, properties, and applications of graphene-based materials/polymer composite aerogels are discussed, and their development trend is projected. This paper aims to arouse extensive research interests in multidisciplinary fields and provide guidance for the rational design of advanced aerogel materials, which could then encourage efforts to use these new kinds of advanced materials in basic research and commercial applications.
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Affiliation(s)
- Ze Wang
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science and Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Libao Liu
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science and Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Yiwei Zhang
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science and Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Yi Huang
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science and Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Jia Liu
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science and Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Xu Zhang
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science and Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Xu Liu
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science and Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Huaibao Teng
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science and Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Xiaofang Zhang
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science and Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Jianming Zhang
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science and Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Hongsheng Yang
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science and Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
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15
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Polyakova PV, Baimova JA. Mechanical Properties of Graphene Networks under Compression: A Molecular Dynamics Simulation. Int J Mol Sci 2023; 24:ijms24076691. [PMID: 37047664 PMCID: PMC10095480 DOI: 10.3390/ijms24076691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 03/24/2023] [Accepted: 03/30/2023] [Indexed: 04/07/2023] Open
Abstract
Molecular dynamics simulation is used to study and compare the mechanical properties obtained from compression and tension numerical tests of multilayered graphene with an increased interlayer distance. The multilayer graphene with an interlayer distance two-times larger than in graphite is studied first under biaxial compression and then under uniaxial tension along three different axes. The mechanical properties, e.g., the tensile strength and ductility as well as the deformation characteristics due to graphene layer stacking, are studied. The results show that the mechanical properties along different directions are significantly distinguished. Two competitive mechanisms are found both for the compression and tension of multilayer graphene—the crumpling of graphene layers increases the stresses, while the sliding of graphene layers through the surface-to-surface connection lowers it. Multilayer graphene after biaxial compression can sustain high tensile stresses combined with high plasticity. The main outcome of the study of such complex architecture is an important step towards the design of advanced carbon nanomaterials with improved mechanical properties.
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Affiliation(s)
- Polina V. Polyakova
- Institute for Metals Superplasticity Problems of RAS, Khalturina St., 39, 450001 Ufa, Russia
| | - Julia A. Baimova
- Institute for Metals Superplasticity Problems of RAS, Khalturina St., 39, 450001 Ufa, Russia
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16
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Liao X, Denk J, Tran T, Miyajima N, Benker L, Rosenfeldt S, Schafföner S, Retsch M, Greiner A, Motz G, Agarwal S. Extremely low thermal conductivity and high electrical conductivity of sustainable carbon-ceramic electrospun nonwoven materials. SCIENCE ADVANCES 2023; 9:eade6066. [PMID: 37000874 PMCID: PMC10065829 DOI: 10.1126/sciadv.ade6066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Accepted: 03/02/2023] [Indexed: 06/19/2023]
Abstract
Materials with an extremely low thermal and high electrical conductivity that are easy to process, foldable, and nonflammable are required for sustainable applications, notably in energy converters, miniaturized electronics, and high-temperature fuel cells. Given the inherent correlation between high thermal and high electrical conductivity, innovative design concepts that decouple phonon and electron transport are necessary. We achieved this unique combination of thermal conductivity 19.8 ± 7.8 mW/m/K (cross-plane) and 31.8 ± 11.8 mW/m/K (in-plane); electrical conductivity 4.2 S/cm in-plane in electrospun nonwovens comprising carbon as the matrix and silicon-based ceramics as nano-sized inclusions with a sea-island nanostructure. The carbon phase modulates electronic transport for high electrical conductivity, and the ceramic phase induces phonon scattering for low thermal conductivity by excessive boundary scattering. Our strategy can be used to fabricate the unique nonwoven materials for real-world applications and will inspire the design of materials made from carbon and ceramic.
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Affiliation(s)
- Xiaojian Liao
- Macromolecular Chemistry 2 and Bavarian Polymer Institute, University of Bayreuth, Bayreuth 95440, Germany
| | - Jakob Denk
- Chair of Ceramic Materials Engineering, University of Bayreuth, Bayreuth 95440, Germany
| | - Thomas Tran
- Physical Chemistry 1 Department of Chemistry, Bavarian Polymer Institute, Bayreuth Center for Colloids and Interfaces, Bavarian Center for Battery Technology (BayBatt), University of Bayreuth, Bayreuth 95440, Germany
| | - Nobuyoshi Miyajima
- Bayerisches Geoinstitut, University of Bayreuth, Bayreuth 95440, Germany
| | - Lothar Benker
- Macromolecular Chemistry 2 and Bavarian Polymer Institute, University of Bayreuth, Bayreuth 95440, Germany
| | - Sabine Rosenfeldt
- Physical Chemistry 1 Department of Chemistry, Bavarian Polymer Institute, Bayreuth Center for Colloids and Interfaces, Bavarian Center for Battery Technology (BayBatt), University of Bayreuth, Bayreuth 95440, Germany
| | - Stefan Schafföner
- Chair of Ceramic Materials Engineering, University of Bayreuth, Bayreuth 95440, Germany
| | - Markus Retsch
- Physical Chemistry 1 Department of Chemistry, Bavarian Polymer Institute, Bayreuth Center for Colloids and Interfaces, Bavarian Center for Battery Technology (BayBatt), University of Bayreuth, Bayreuth 95440, Germany
| | - Andreas Greiner
- Macromolecular Chemistry 2 and Bavarian Polymer Institute, University of Bayreuth, Bayreuth 95440, Germany
| | - Günter Motz
- Chair of Ceramic Materials Engineering, University of Bayreuth, Bayreuth 95440, Germany
| | - Seema Agarwal
- Macromolecular Chemistry 2, Bavarian Polymer Institute, Bavarian Center for Battery Technology (BayBatt), University of Bayreuth, Bayreuth 95440, Germany
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17
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Xie Y, Su W, Zhang H, Wang X, Xiong D, Chen L, Feng Z, Wen K, Li Z, He M. 2,6-diaminoanthraquinone-functionalized S,N-codoped graphitic biomass carbon as advanced electrode materials for supercapacitors. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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18
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Fang Z, Gao Y, Zhang F, Zhu K, Shen Z, Liang H, Xie Y, Yu C, Bao Y, Feng B, Bolan N, Wang H. The adsorption mechanisms of oriental plane tree biochar toward bisphenol S: A combined thermodynamic evidence, spectroscopic analysis and theoretical calculations. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 310:119819. [PMID: 35870525 DOI: 10.1016/j.envpol.2022.119819] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 06/03/2022] [Accepted: 07/18/2022] [Indexed: 06/15/2023]
Abstract
Garden pruning waste is becoming a problem that intensifies the garbage siege. It is of great significance to purify polluted water using biochar prepared from garden pruning waste. Herein, the interaction mechanism between BPS and oriental plane tree biochar (TBC) with different surface functional groups was investigated by adsorption experiments, spectroscopic analysis and theoretical calculations. Adsorption kinetics and isotherm of BPS on TBC can be satisfactorily fitted into pseudo-second-order kinetic and Langmuir models, respectively. A rapid adsorption kinetic toward BPS was achieved by TBC in 15 min. As compared with TBC prepared at low temperature (300 °C) (LTBC), the maximum adsorption capacity of TBC prepared at high temperature (600 °C) (HTBC) can be significantly improved from 46.7 mg g-1 to 72.9 mg g-1. Besides, the microstructure and surface functional groups of HTBC were characterized using SEM, BET-N2, and XPS analysis. According to density functional theory (DFT) theoretical calculations, the higher adsorption energy of HTBC for BPS was mainly attributed to π-π interaction rather than hydrogen bonding, which was further supported by the analysis of FTIR and Raman spectra as well as the adsorption thermodynamic parameters. These findings suggested that by improving π-π interaction through high pyrolysis temperature, BPS could be removed and adsorbed by biochar with high efficacy, cost-efficiency, easy availability, and carbon-negative in nature, contributing to global carbon neutrality.
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Affiliation(s)
- Zheng Fang
- Biochar Engineering Technology Research Center of Guangdong Province, Physical Science Public Platform, School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, China; Guangdong Green Technologies Co., Ltd., Foshan, 528100, China
| | - Yurong Gao
- Biochar Engineering Technology Research Center of Guangdong Province, Physical Science Public Platform, School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, China; Agronomy College, Shenyang Agricultural University, Shenyang, 110866, China
| | - Fangbin Zhang
- Biochar Engineering Technology Research Center of Guangdong Province, Physical Science Public Platform, School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, China
| | - Kaipeng Zhu
- Biochar Engineering Technology Research Center of Guangdong Province, Physical Science Public Platform, School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, China
| | - Zihan Shen
- Biochar Engineering Technology Research Center of Guangdong Province, Physical Science Public Platform, School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, China
| | - Haixia Liang
- Biochar Engineering Technology Research Center of Guangdong Province, Physical Science Public Platform, School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, China
| | - Yue Xie
- Biochar Engineering Technology Research Center of Guangdong Province, Physical Science Public Platform, School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, China
| | - Chenglong Yu
- School of Land Resources and Environment, Jiangxi Agricultural University, Nanchang 330045, China
| | - Yanping Bao
- Biochar Engineering Technology Research Center of Guangdong Province, Physical Science Public Platform, School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, China
| | - Bo Feng
- College of Environment and Resources, Xiangtan University, Xiangtan 411105, China
| | - Nanthi Bolan
- School of Agriculture and Environment, The University of Western Australia, Perth, WA 6001, Australia; The UWA Institute of Agriculture, The University of Western Australia, Perth, WA 6001, Australia
| | - Hailong Wang
- Biochar Engineering Technology Research Center of Guangdong Province, Physical Science Public Platform, School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, China; Guangdong Green Technologies Co., Ltd., Foshan, 528100, China.
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19
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Zhang L, Lei Y, He P, Wu H, Guo L, Wei G. Carbon Material-Based Aerogels for Gas Adsorption: Fabrication, Structure Design, Functional Tailoring, and Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3172. [PMID: 36144967 PMCID: PMC9504413 DOI: 10.3390/nano12183172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 09/02/2022] [Accepted: 09/12/2022] [Indexed: 06/16/2023]
Abstract
Carbon material-based aerogels (CMBAs) have three-dimensional porous structure, high specific surface area, low density, high thermal stability, good electric conductivity, and abundant surface-active sites, and, therefore, have shown great application potential in energy storage, environmental remediation, electrochemical catalysis, biomedicine, analytical science, electronic devices, and others. In this work, we present recent progress on the fabrication, structural design, functional tailoring, and gas adsorption applications of CMBAs, which are prepared by precursor materials, such as polymer-derived carbon, carbon nanotubes, carbon nanofibers, graphene, graphene-like carbides, fullerenes, and carbon dots. To achieve this aim, first we introduce the fabrication methods of various aerogels, and, then, discuss the strategies for regulating the structures of CMBAs by adjusting the porosity and periodicity. In addition, the hybridization of CMBAs with other nanomaterials for enhanced properties and functions is demonstrated and discussed through presenting the synthesis processes of various CMBAs. After that, the adsorption performances and mechanisms of functional CMBAs towards CO2, CO, H2S, H2, and organic gases are analyzed in detail. Finally, we provide our own viewpoints on the possible development directions and prospects of this promising research topic. We believe this work is valuable for readers to understand the synthesis methods and functional tailoring of CMBAs, and, meanwhile, to promote the applications of CMBAs in environmental analysis and safety monitoring of harmful gases.
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Affiliation(s)
- Lianming Zhang
- Engineering Research Center of Green Process, School of Resources and Environmental Engineering, Shandong Agriculture and Engineering University, Jinan 250100, China
| | - Yu Lei
- Institute of Biomedical Engineering, College of Life Science, Qingdao University, Qingdao 266071, China
| | - Peng He
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, China
| | - Hao Wu
- Institute of Biomedical Engineering, College of Life Science, Qingdao University, Qingdao 266071, China
| | - Lei Guo
- Institute of Biomedical Engineering, College of Life Science, Qingdao University, Qingdao 266071, China
| | - Gang Wei
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, China
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20
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Liu S, Dun C, Chen J, Rao S, Shah M, Wei J, Chen K, Xuan Z, Kyriakidou EA, Urban JJ, Swihart MT. A General Route to Flame Aerosol Synthesis and In Situ Functionalization of Mesoporous Silica. Angew Chem Int Ed Engl 2022; 61:e202206870. [DOI: 10.1002/anie.202206870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Shuo Liu
- Department of Chemical and Biological Engineering University at Buffalo (SUNY) Buffalo NY 14260 USA
| | - Chaochao Dun
- The Molecular Foundry Lawrence Berkeley National Laboratory Berkeley CA 94720 USA
| | - Junjie Chen
- Department of Chemical and Biological Engineering University at Buffalo (SUNY) Buffalo NY 14260 USA
| | - Satyarit Rao
- Department of Chemical and Biological Engineering University at Buffalo (SUNY) Buffalo NY 14260 USA
| | - Mihir Shah
- Department of Chemical and Biological Engineering University at Buffalo (SUNY) Buffalo NY 14260 USA
| | - Jilun Wei
- Department of Chemical and Biological Engineering University at Buffalo (SUNY) Buffalo NY 14260 USA
| | - Kaiwen Chen
- Department of Chemical and Biological Engineering University at Buffalo (SUNY) Buffalo NY 14260 USA
| | - Zhengxi Xuan
- Department of Chemical and Biological Engineering University at Buffalo (SUNY) Buffalo NY 14260 USA
- RENEW Institute University at Buffalo (SUNY) Buffalo NY 14260 USA
| | - Eleni A. Kyriakidou
- Department of Chemical and Biological Engineering University at Buffalo (SUNY) Buffalo NY 14260 USA
| | - Jeffrey J. Urban
- The Molecular Foundry Lawrence Berkeley National Laboratory Berkeley CA 94720 USA
| | - Mark T. Swihart
- Department of Chemical and Biological Engineering University at Buffalo (SUNY) Buffalo NY 14260 USA
- RENEW Institute University at Buffalo (SUNY) Buffalo NY 14260 USA
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21
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Wu M, Geng H, Hu Y, Ma H, Yang C, Chen H, Wen Y, Cheng H, Li C, Liu F, Jiang L, Qu L. Superelastic graphene aerogel-based metamaterials. Nat Commun 2022; 13:4561. [PMID: 35931668 PMCID: PMC9355988 DOI: 10.1038/s41467-022-32200-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 07/21/2022] [Indexed: 11/24/2022] Open
Abstract
Ultralight, ultrastrong, and supertough graphene aerogel metamaterials combining with multi-functionalities are promising for future military and domestic applications. However, the unsatisfactory mechanical performances and lack of the multiscale structural regulation still impede the development of graphene aerogels. Herein, we demonstrate a laser-engraving strategy toward graphene meta-aerogels (GmAs) with unusual characters. As the prerequisite, the nanofiber-reinforced networks convert the graphene walls’ deformation from the microscopic buckling to the bulk deformation during the compression process, ensuring the highly elastic, robust, and stiff nature. Accordingly, laser-engraving enables arbitrary regulation on the macro-configurations of GmAs with rich geometries and appealing characteristics such as large stretchability of 5400% reversible elongation, ultralight specific weight as small as 0.1 mg cm−3, and ultrawide Poisson’s ratio range from −0.95 to 1.64. Additionally, incorporating specific components into the pre-designed meta-structures could further achieve diversified functionalities. Graphene aerogels are highly porous and have very low density; despite this they also exhibit high mechanical strength. Here the authors present a laser-engraving strategy for producing graphene meta-aerogels with different configurations and properties.
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Affiliation(s)
- Mingmao Wu
- Key Laboratory of Eco-materials Advanced Technology, College of Materials Science and Engineering, Fuzhou University, 350108, Fuzhou, China.,Key Laboratory of Organic Optoelectronics & Molecular Engineering, Ministry of Education, Department of Chemistry, Tsinghua University, 100084, Beijing, P. R. China
| | - Hongya Geng
- Department of Materials Imperial College London Prince Consort Road, London, SW7 2AZ, UK
| | - Yajie Hu
- Key Laboratory of Organic Optoelectronics & Molecular Engineering, Ministry of Education, Department of Chemistry, Tsinghua University, 100084, Beijing, P. R. China
| | - Hongyun Ma
- Key Laboratory of Organic Optoelectronics & Molecular Engineering, Ministry of Education, Department of Chemistry, Tsinghua University, 100084, Beijing, P. R. China
| | - Ce Yang
- State Key Laboratory of Tribology, Department of Mechanical Engineering, Tsinghua University, 100084, Beijing, P. R. China
| | - Hongwu Chen
- Key Laboratory of Organic Optoelectronics & Molecular Engineering, Ministry of Education, Department of Chemistry, Tsinghua University, 100084, Beijing, P. R. China
| | - Yeye Wen
- Key Laboratory of Organic Optoelectronics & Molecular Engineering, Ministry of Education, Department of Chemistry, Tsinghua University, 100084, Beijing, P. R. China
| | - Huhu Cheng
- Key Laboratory of Organic Optoelectronics & Molecular Engineering, Ministry of Education, Department of Chemistry, Tsinghua University, 100084, Beijing, P. R. China
| | - Chun Li
- Key Laboratory of Organic Optoelectronics & Molecular Engineering, Ministry of Education, Department of Chemistry, Tsinghua University, 100084, Beijing, P. R. China
| | - Feng Liu
- State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, 100190, Beijing, China
| | - Lan Jiang
- Laser Micro-/Nano-Fabrication Laboratory, School of Mechanical Engineering, Beijing Institute of Technology, 100081, Beijing, P. R. China
| | - Liangti Qu
- Key Laboratory of Organic Optoelectronics & Molecular Engineering, Ministry of Education, Department of Chemistry, Tsinghua University, 100084, Beijing, P. R. China. .,State Key Laboratory of Tribology, Department of Mechanical Engineering, Tsinghua University, 100084, Beijing, P. R. China.
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22
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Cao W, Ling S, Chen H, He H, Li X, Zhang C. 3D-Printed Ultralight, Superelastic Reduced Graphene Oxide/Manganese Dioxide Foam for High-Performance Compressible Supercapacitors. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c01216] [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)
- Wanqiu Cao
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute, Sichuan University, Chengdu 610065, P.R. China
| | - Shangwen Ling
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute, Sichuan University, Chengdu 610065, P.R. China
| | - Haiyan Chen
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute, Sichuan University, Chengdu 610065, P.R. China
| | - Hanna He
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute, Sichuan University, Chengdu 610065, P.R. China
| | - Xiaolong Li
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute, Sichuan University, Chengdu 610065, P.R. China
| | - Chuhong Zhang
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute, Sichuan University, Chengdu 610065, P.R. China
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23
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Zhang L, Shao G, Xu R, Ding C, Hu D, Zhao H, Huang X. Multicovalent crosslinked double-network graphene–polyorganosiloxane hybrid aerogels toward efficient thermal insulation and water purification. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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24
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Zhao X, Xu W, Chen S, Liu H, Yan X, Bao Y, Liu Z, Yang F, Zhang H, Yu P. Fabrication of super-elastic graphene aerogels by ambient pressure drying and application to adsorption of oils. Chin J Chem Eng 2022. [DOI: 10.1016/j.cjche.2021.09.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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25
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Liu S, Dun C, Chen J, Rao S, Shah M, Wei J, Chen K, Xuan Z, Kyriakidou EA, Urban JJ, Swihart MT. A General Route to Flame Aerosol Synthesis and in situ Functionalization of Mesoporous Silica. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202206870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Shuo Liu
- University at Buffalo Chemical and Biological Engineering UNITED STATES
| | - Chaochao Dun
- Lawrence Berkeley National Laboratory: E O Lawrence Berkeley National Laboratory Molecular Foundry UNITED STATES
| | - Junjie Chen
- University at Buffalo Chemical and Biological Engineering UNITED STATES
| | - Satyarit Rao
- University at Buffalo Chemical and Biological Engineering UNITED STATES
| | - Mihir Shah
- University at Buffalo Chemical and Biological Engineering UNITED STATES
| | - Jilun Wei
- University at Buffalo Chemical and Biological Engineering UNITED STATES
| | - Kaiwen Chen
- University at Buffalo Chemical and Biological Engineering UNITED STATES
| | - Zhengxi Xuan
- University at Buffalo Chemical and Biological Engineering UNITED STATES
| | | | - Jeffrey J. Urban
- Lawrence Berkeley National Laboratory: E O Lawrence Berkeley National Laboratory Molecular Foundry UNITED STATES
| | - Mark T. Swihart
- University at Buffalo Chemical and Biological Engineering 308 Furnas Hall 14260-4200 Buffalo UNITED STATES
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26
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Zhao HY, Yu MY, Liu J, Li X, Min P, Yu ZZ. Efficient Preconstruction of Three-Dimensional Graphene Networks for Thermally Conductive Polymer Composites. NANO-MICRO LETTERS 2022; 14:129. [PMID: 35699797 PMCID: PMC9198159 DOI: 10.1007/s40820-022-00878-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Accepted: 05/13/2022] [Indexed: 06/02/2023]
Abstract
Electronic devices generate heat during operation and require efficient thermal management to extend the lifetime and prevent performance degradation. Featured by its exceptional thermal conductivity, graphene is an ideal functional filler for fabricating thermally conductive polymer composites to provide efficient thermal management. Extensive studies have been focusing on constructing graphene networks in polymer composites to achieve high thermal conductivities. Compared with conventional composite fabrications by directly mixing graphene with polymers, preconstruction of three-dimensional graphene networks followed by backfilling polymers represents a promising way to produce composites with higher performances, enabling high manufacturing flexibility and controllability. In this review, we first summarize the factors that affect thermal conductivity of graphene composites and strategies for fabricating highly thermally conductive graphene/polymer composites. Subsequently, we give the reasoning behind using preconstructed three-dimensional graphene networks for fabricating thermally conductive polymer composites and highlight their potential applications. Finally, our insight into the existing bottlenecks and opportunities is provided for developing preconstructed porous architectures of graphene and their thermally conductive composites.
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Affiliation(s)
- Hao-Yu Zhao
- Beijing Key Laboratory of Advanced Functional Polymer Composites, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
- College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Ming-Yuan Yu
- College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Ji Liu
- School of Chemistry, CRANN and AMBER, Trinity College Dublin, Dublin, Ireland.
| | - Xiaofeng Li
- Beijing Key Laboratory of Advanced Functional Polymer Composites, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China.
| | - Peng Min
- College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Zhong-Zhen Yu
- Beijing Key Laboratory of Advanced Functional Polymer Composites, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China.
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27
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Xia Y, Gao C, Gao W. A review on elastic graphene aerogels: Design, preparation, and applications. JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1002/pol.20220179] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Yuxing Xia
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering Zhejiang University Hangzhou China
| | - Chao Gao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering Zhejiang University Hangzhou China
| | - Weiwei Gao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering Zhejiang University Hangzhou China
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28
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Iskandar MA, Yahya EB, Abdul Khalil HPS, Rahman AA, Ismail MA. Recent Progress in Modification Strategies of Nanocellulose-Based Aerogels for Oil Absorption Application. Polymers (Basel) 2022; 14:polym14050849. [PMID: 35267674 PMCID: PMC8912783 DOI: 10.3390/polym14050849] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 02/13/2022] [Accepted: 02/16/2022] [Indexed: 02/06/2023] Open
Abstract
Oil spills and oily wastewater have become a major environmental problem in recent years, directly impacting the environment and biodiversity. Several techniques have been developed to solve this problem, including biological degradation, chemicals, controlled burning, physical absorption and membrane separation. Recently, biopolymeric aerogels have been proposed as a green solution for this problem, and they possess superior selective oil absorption capacity compared with other approaches. Several modification strategies have been applied to nanocellulose-based aerogel to enhance its poor hydrophobicity, increase its oil absorption capacity, improve its selectivity of oils and make it a compressible and elastic magnetically responsive aerogel, which will ease its recovery after use. This review presents an introduction to nanocellulose-based aerogel and its fabrication approaches. Different applications of nanocellulose aerogel in environmental, medical and industrial fields are presented. Different strategies for the modification of nanocellulose-based aerogel are critically discussed in this review, presenting the most recent works in terms of enhancing the aerogel performance in oil absorption in addition to the potential of these materials in near future.
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Affiliation(s)
- M. A. Iskandar
- School of Physics, Universiti Sains Malaysia, Penang 11800, Malaysia; (M.A.I.); (A.A.R.)
| | - Esam Bashir Yahya
- School of Industrial Technology, Universiti Sains Malaysia, Penang 11800, Malaysia;
| | - H. P. S. Abdul Khalil
- School of Industrial Technology, Universiti Sains Malaysia, Penang 11800, Malaysia;
- Correspondence:
| | - A. A. Rahman
- School of Physics, Universiti Sains Malaysia, Penang 11800, Malaysia; (M.A.I.); (A.A.R.)
| | - M. A. Ismail
- Teraju Saga Sdn. Bhd. MP813, Jalan Melaka Perdana 2, Taman Melaka Perdana, Alor Gajah, Melaka 78000, Malaysia;
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29
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Abdullah, Zou Y, Farooq S, Walayat N, Zhang H, Faieta M, Pittia P, Huang Q. Bio-aerogels: Fabrication, properties and food applications. Crit Rev Food Sci Nutr 2022; 63:6687-6709. [PMID: 35156465 DOI: 10.1080/10408398.2022.2037504] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Traditional inorganic aerogels sustainability, biodegradability, and environmental safety concerns have driven researchers to find their safe green alternatives. Recently, interest in the application of bio-aerogels has rapidly increased in the food industry due to their unique characteristics such as high specific surface area and porosity, ultralow density, tunable pore size and morphology, and superior properties (physicochemical, mechanical, and functional). Bio-aerogels, a special category of highly porous unique materials, fabricated by the sol-gel method followed by drying processes, comprising three-dimensional networks of interconnected biopolymers (e.g., polysaccharides and proteins) with numerous air-filled pores. The production of bio-aerogels begins with the formation of a homogeneously dispersed precursor solution, followed by gelation and wet gel drying procedures by employing special drying techniques including atmospheric-, freeze-, and supercritical drying. Due to their special properties, bio-aerogels have emerged as sustainable biomaterial for many industrial applications, i.e., encapsulation and controlled delivery, active packaging, heavy metals separation, water and air filtration, oleogels, and biosensors. Bio-aerogels are low-cost, biocompatible, and biodegradable sustainable material that can be used in improving the processing, storage, transportation, and bioavailability of food additives, functional ingredients, and bioactive substances for their health benefits with enhanced shelf-life.
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Affiliation(s)
- Abdullah
- Guangdong Provincial Key Laboratory of Functional Food Active Substances, College of Food Science, South China Agricultural University, Guangzhou, China
| | - YuCheng Zou
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
| | - Shahzad Farooq
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
| | - Noman Walayat
- Department of Food Science and Engineering, College of Ocean, Zhejiang University of Technology, Hangzhou, China
| | - Hui Zhang
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
- Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang University, Hangzhou, China
- Ningbo Research Institute, Zhejiang University, Ningbo, China
| | - Marco Faieta
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Paola Pittia
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Qingrong Huang
- Department of Food Science, Rutgers University, New Brunswick, New Jersey, USA
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30
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Zhong J, Wang T, Wang L, Peng L, Fu S, Zhang M, Cao J, Xu X, Liang J, Fei H, Duan X, Lu B, Wang Y, Zhu J, Duan X. A Silicon Monoxide Lithium-Ion Battery Anode with Ultrahigh Areal Capacity. NANO-MICRO LETTERS 2022; 14:50. [PMID: 35076763 PMCID: PMC8789978 DOI: 10.1007/s40820-022-00790-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 12/20/2021] [Indexed: 05/24/2023]
Abstract
Silicon monoxide (SiO) is an attractive anode material for next-generation lithium-ion batteries for its ultra-high theoretical capacity of 2680 mAh g-1. The studies to date have been limited to electrodes with a relatively low mass loading (< 3.5 mg cm-2), which has seriously restricted the areal capacity and its potential in practical devices. Maximizing areal capacity with such high-capacity materials is critical for capitalizing their potential in practical technologies. Herein, we report a monolithic three-dimensional (3D) large-sheet holey graphene framework/SiO (LHGF/SiO) composite for high-mass-loading electrode. By specifically using large-sheet holey graphene building blocks, we construct LHGF with super-elasticity and exceptional mechanical robustness, which is essential for accommodating the large volume change of SiO and ensuring the structure integrity even at ultrahigh mass loading. Additionally, the 3D porous graphene network structure in LHGF ensures excellent electron and ion transport. By systematically tailoring microstructure design, we show the LHGF/SiO anode with a mass loading of 44 mg cm-2 delivers a high areal capacity of 35.4 mAh cm-2 at a current of 8.8 mA cm-2 and retains a capacity of 10.6 mAh cm-2 at 17.6 mA cm-2, greatly exceeding those of the state-of-the-art commercial or research devices. Furthermore, we show an LHGF/SiO anode with an ultra-high mass loading of 94 mg cm-2 delivers an unprecedented areal capacity up to 140.8 mAh cm-2. The achievement of such high areal capacities marks a critical step toward realizing the full potential of high-capacity alloy-type electrode materials in practical lithium-ion batteries.
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Affiliation(s)
- Jiang Zhong
- State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, School of Physics and Electronics, Hunan Key Laboratory of Two-Dimensional Materials, Engineering Research Center of Advanced Catalysis of the Ministry of Education, Hunan University, Changsha, 410082, People's Republic of China
| | - Tao Wang
- State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, School of Physics and Electronics, Hunan Key Laboratory of Two-Dimensional Materials, Engineering Research Center of Advanced Catalysis of the Ministry of Education, Hunan University, Changsha, 410082, People's Republic of China
| | - Lei Wang
- State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, School of Physics and Electronics, Hunan Key Laboratory of Two-Dimensional Materials, Engineering Research Center of Advanced Catalysis of the Ministry of Education, Hunan University, Changsha, 410082, People's Republic of China
| | - Lele Peng
- International Graduate School at Shenzhen, Tsinghua University, Shenzhen, 518057, People's Republic of China
| | - Shubin Fu
- Key Laboratory of Structures Dynamic Behavior and Control of the Ministry of Education, Key Laboratory of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology, Harbin Institute of Technology, Harbin, 150090, People's Republic of China
| | - Meng Zhang
- State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, School of Physics and Electronics, Hunan Key Laboratory of Two-Dimensional Materials, Engineering Research Center of Advanced Catalysis of the Ministry of Education, Hunan University, Changsha, 410082, People's Republic of China
| | - Jinhui Cao
- State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, School of Physics and Electronics, Hunan Key Laboratory of Two-Dimensional Materials, Engineering Research Center of Advanced Catalysis of the Ministry of Education, Hunan University, Changsha, 410082, People's Republic of China
| | - Xiang Xu
- Key Laboratory of Structures Dynamic Behavior and Control of the Ministry of Education, Key Laboratory of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology, Harbin Institute of Technology, Harbin, 150090, People's Republic of China
| | - Junfei Liang
- School of Energy and Power Engineering, North University of China, Taiyuan, 030051, People's Republic of China
| | - Huilong Fei
- State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, School of Physics and Electronics, Hunan Key Laboratory of Two-Dimensional Materials, Engineering Research Center of Advanced Catalysis of the Ministry of Education, Hunan University, Changsha, 410082, People's Republic of China
| | - Xidong Duan
- State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, School of Physics and Electronics, Hunan Key Laboratory of Two-Dimensional Materials, Engineering Research Center of Advanced Catalysis of the Ministry of Education, Hunan University, Changsha, 410082, People's Republic of China
| | - Bingan Lu
- State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, School of Physics and Electronics, Hunan Key Laboratory of Two-Dimensional Materials, Engineering Research Center of Advanced Catalysis of the Ministry of Education, Hunan University, Changsha, 410082, People's Republic of China
| | - Yiliu Wang
- State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, School of Physics and Electronics, Hunan Key Laboratory of Two-Dimensional Materials, Engineering Research Center of Advanced Catalysis of the Ministry of Education, Hunan University, Changsha, 410082, People's Republic of China
| | - Jian Zhu
- State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, School of Physics and Electronics, Hunan Key Laboratory of Two-Dimensional Materials, Engineering Research Center of Advanced Catalysis of the Ministry of Education, Hunan University, Changsha, 410082, People's Republic of China.
| | - Xiangfeng Duan
- Department of Chemistry and Biochemistry, University of California, Los Angeles, CA, 90095, USA
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Flexible ceramic nanofibrous sponges with hierarchically entangled graphene networks enable noise absorption. Nat Commun 2021; 12:6599. [PMID: 34782622 PMCID: PMC8593031 DOI: 10.1038/s41467-021-26890-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 10/20/2021] [Indexed: 11/16/2022] Open
Abstract
Traffic noise pollution has posed a huge burden to the global economy, ecological environment and human health. However, most present traffic noise reduction materials suffer from a narrow absorbing band, large weight and poor temperature resistance. Here, we demonstrate a facile strategy to create flexible ceramic nanofibrous sponges (FCNSs) with hierarchically entangled graphene networks, which integrate unique hierarchical structures of opened cells, closed-cell walls and entangled networks. Under the precondition of independent of chemical crosslinking, high enhancement in buckling and compression performances of FCNSs is achieved by forming hierarchically entangled structures in all three-dimensional space. Moreover, the FCNSs show enhanced broadband noise absorption performance (noise reduction coefficient of 0.56 in 63-6300 Hz) and lightweight feature (9.3 mg cm-3), together with robust temperature-invariant stability from -100 to 500 °C. This strategy paves the way for the design of advanced fibrous materials for highly efficient noise absorption.
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32
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Wang G, Xu X, Kou X, Liu X, Dong X, Ma H, Wang D. N-Doping of Graphene Aerogel as a Multifunctional Air Cathode for Microbial Fuel Cells. ACS APPLIED MATERIALS & INTERFACES 2021; 13:51312-51320. [PMID: 34672529 DOI: 10.1021/acsami.1c12605] [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: 06/13/2023]
Abstract
One of the main challenges faced by microbial fuel cells (MFCs) generating voltage is how to facilitate the oxygen reduction reaction (ORR) process using a specifically designed air cathode, especially by optimizing a three-phase catalytic interface and enhanced O2 diffusion on it. Herein, a three-dimensional porous N-doped graphene aerogel (NGA) is polymerized onto a steel mesh (SM) to construct a simple structure of an air cathode (NGA-x/SM) via hydrothermal synthesis and subsequent freeze-drying treatment; more specifically, NGA was simultaneously used as an efficient ORR catalyst layer and breathable gas diffusion layer to improve the performance of MFCs. In this system, the NGA-5/SM (with a precursor concentration of x = 5.0 mg mL-1) makes itself a perfect candidate to be used as an air cathode. Characterization parameters reveal that sub-micrometer micropores, defective multilayer structures, and the highest proportion of pyridinic-N (48.1%) exist in NGA-5/SM. Furthermore, electrochemical measurements demonstrate that it has an oxygen reduction peak potential of 0.63 V, a Tafel slope of 187 mV dec-1, and closest 4e- transfer pathway (n = 3.2-3.5). These data prove that a three-phase boundary can naturally form in NGA-5/SM, where the ORR occurs. More importantly, this work provides a proof of concept that a Pt-free air cathode could be prepared with high-efficiency NGA by a two-step preparation method to achieve a MFC maximum power density of 1593 mW m-2.
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Affiliation(s)
- Guowen Wang
- School of Light Industry and Chemical Engineering, Dalian Polytechnic University, No. 1 Qinggongyuan, Ganjinzi District, Dalian 116034, P.R. China
| | - Xuefei Xu
- School of Light Industry and Chemical Engineering, Dalian Polytechnic University, No. 1 Qinggongyuan, Ganjinzi District, Dalian 116034, P.R. China
| | - Xiaonan Kou
- School of Light Industry and Chemical Engineering, Dalian Polytechnic University, No. 1 Qinggongyuan, Ganjinzi District, Dalian 116034, P.R. China
| | - Xing Liu
- School of Light Industry and Chemical Engineering, Dalian Polytechnic University, No. 1 Qinggongyuan, Ganjinzi District, Dalian 116034, P.R. China
| | - Xiaoli Dong
- School of Light Industry and Chemical Engineering, Dalian Polytechnic University, No. 1 Qinggongyuan, Ganjinzi District, Dalian 116034, P.R. China
| | - Hongchao Ma
- School of Light Industry and Chemical Engineering, Dalian Polytechnic University, No. 1 Qinggongyuan, Ganjinzi District, Dalian 116034, P.R. China
| | - Dong Wang
- College of Marine Science-Technology and Environment, Dalian Ocean University, No. 52 Heishijiao, Shahekou District, Dalian 116023, P.R. China
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33
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Jiang D, Zhang J, Qin S, Hegh D, Usman KAS, Wang J, Lei W, Liu J, Razal JM. Scalable Fabrication of Ti 3C 2T x MXene/RGO/Carbon Hybrid Aerogel for Organics Absorption and Energy Conversion. ACS APPLIED MATERIALS & INTERFACES 2021; 13:51333-51342. [PMID: 34696589 DOI: 10.1021/acsami.1c13808] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
High aspect ratio two-dimensional Ti3C2Tx MXene flakes with extraordinary mechanical, electrical, and thermal properties are ideal candidates for assembling elastic and conductive aerogels. However, the scalable fabrication of large MXene-based aerogels remains a challenge because the traditional preparation method relies on supercritical drying techniques such as freeze drying, resulting in poor scalability and high cost. Herein, the use of porous melamine foam as a robust template for MXene/reduced graphene oxide aerogel circumvents the volume shrinkage during its natural drying process. Through this approach, we were able to produce large size (up to 600 cm3) MXene-based aerogel with controllable shape. In addition, the aerogels possess an interconnected cellular structure and display resilience up to 70% of compressive strain. Some key features also include high solvent absorption capacity (∼50-90 g g-1), good photothermal conversion ability (an average evaporation rate of 1.48 kg m-2 h-1 for steam generation), and an excellent electrothermal conversion rate (1.8 kg m-2 h-1 at 1 V). More importantly, this passive drying process provides a scalable, convenient, and cost-effective approach to produce high-performance MXene-based aerogels, demonstrating the feasibility of commercial production of MXene-based aerogels toward practical applications.
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Affiliation(s)
- Degang Jiang
- Institute for Frontier Materials, Deakin University, Geelong, Victoria 3216, Australia
| | - Jizhen Zhang
- Institute for Frontier Materials, Deakin University, Geelong, Victoria 3216, Australia
| | - Si Qin
- Institute for Frontier Materials, Deakin University, Geelong, Victoria 3216, Australia
| | - Dylan Hegh
- Institute for Frontier Materials, Deakin University, Geelong, Victoria 3216, Australia
| | - Ken Aldren S Usman
- Institute for Frontier Materials, Deakin University, Geelong, Victoria 3216, Australia
| | - Jinfeng Wang
- Institute for Frontier Materials, Deakin University, Geelong, Victoria 3216, Australia
| | - Weiwei Lei
- Institute for Frontier Materials, Deakin University, Geelong, Victoria 3216, Australia
| | - Jingquan Liu
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, Qingdao University, Ningxia Road 308, Qingdao 266071, China
| | - Joselito M Razal
- Institute for Frontier Materials, Deakin University, Geelong, Victoria 3216, Australia
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34
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Xu Y, Yu Y, Xue S, Ma X, Tao H. Innovative electrochemical sensor based on graphene oxide aerogel wrapped copper centered metal-organic framework to detect catechol. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2021.115686] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Liu S, Lyu M, Wang C. Mechanical Properties and Deformation Mechanisms of Graphene Foams with Bi-Modal Sheet Thickness by Coarse-Grained Molecular Dynamics Simulations. MATERIALS (BASEL, SWITZERLAND) 2021; 14:5622. [PMID: 34640013 PMCID: PMC8509715 DOI: 10.3390/ma14195622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 09/23/2021] [Accepted: 09/24/2021] [Indexed: 11/17/2022]
Abstract
Graphene foams (GrFs) have been widely used as structural and/or functional materials in many practical applications. They are always assembled by thin and thick graphene sheets with multiple thicknesses; however, the effect of this basic structural feature has been poorly understood by existing theoretical models. Here, we propose a coarse-grained bi-modal GrF model composed of a mixture of 1-layer flexible and 8-layer stiff sheets to study the mechanical properties and deformation mechanisms based on the mesoscopic model of graphene sheets (Model. Simul. Mater. Sci. Eng. 2011, 19, 54003). It is found that the modulus increases almost linearly with an increased proportion of 8-layer sheets, which is well explained by the mixture rule; the strength decreases first and reaches the minimum value at a critical proportion of stiff sheets ~30%, which is well explained by the analysis of structural connectivity and deformation energy of bi-modal GrFs. Furthermore, high-stress regions are mainly dispersed in thick sheets, while large-strain areas mainly locate in thin ones. Both of them have a highly uneven distribution in GrFs due to the intrinsic heterogeneity in both structures and the mechanical properties of sheets. Moreover, the elastic recovery ability of GrFs can be enhanced by adding more thick sheets. These results should be helpful for us to understand and further guide the design of advanced GrF-based materials.
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Affiliation(s)
- Shenggui Liu
- School of Mechanics and Civil Engineering, China University of Mining and Technology, Beijing 100083, China; (S.L.); (M.L.)
| | - Mindong Lyu
- School of Mechanics and Civil Engineering, China University of Mining and Technology, Beijing 100083, China; (S.L.); (M.L.)
| | - Chao Wang
- LNM, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School of Engineering Science, University of Chinese Academy of Sciences, Beijing 100049, China
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Wang S, Niu Y, Wang C, Wang F, Zhu Z, Sun H, Liang W, Li A. Modified Hollow Glass Microspheres/Reduced Graphene Oxide Composite Aerogels with Low Thermal Conductivity for Highly Efficient Solar Steam Generation. ACS APPLIED MATERIALS & INTERFACES 2021; 13:42803-42812. [PMID: 34460228 DOI: 10.1021/acsami.1c11291] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Solar steam generation (SSG) as a pollution-free and sustainable way for desalination or wastewater treatment has attracted great attention in recent years. Herein, we report the fabrication of novel aerogels GAHAS and GAHAF composed of 3-aminopropyltriethoxysilane (KH550)-modified hollow glass microspheres (HGM) and reduced graphene oxide (RGO) by a sol-gel method for highly efficient SSG. The RGO can well wrap on modified HGM and form an interpenetrated porous structure with an excellent mechanical property. In addition, benefiting from the hollow structure of HGM, GAHAS obtained by supercritical CO2 drying well maintains the original structure of the hydrogel and shows low thermal conductivity (0.0823 W m-1 K-1) in the wet state and self-floating ability. Combined with its superhydrophilic wettability and high light absorption (ca. 93%), the as-prepared GAHAS shows an outstanding photothermal conversion efficiency of 89.13% under 1 sun (1 kW m-2) illumination and excellent stability. Moreover, from the simulated seawater outdoor solar desalination experiment, it was found that the concentrations of the four primary ions K+, Ca2+, Na+, and Mg2+ in purified water are 1.65, 0.09, 1.42, and 0.32 mg L-1, respectively, and fully meet drinking water standards. Thus, our GAHAS aerogel shows great potential for practical application in SSG. This work enriches the photothermal materials and may provide a new idea for design and creation of HGM-based photothermal materials with low thermal conductivity, tunable porosity, high mechanical strength, self-floating ability, and high solar energy conversion efficiency for SSG.
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Affiliation(s)
- Shuo Wang
- College of Petrochemical Technology, Lanzhou University of Technology, Langongping Road 287, Lanzhou 730050, P. R. China
- Department of Chemistry and Chemical Engineering, Ankang University, Ankang, Shaanxi 725000, P. R. China
| | - Ye Niu
- College of Petrochemical Technology, Lanzhou University of Technology, Langongping Road 287, Lanzhou 730050, P. R. China
| | - Chengjun Wang
- College of Petrochemical Technology, Lanzhou University of Technology, Langongping Road 287, Lanzhou 730050, P. R. China
| | - Fei Wang
- College of Petrochemical Technology, Lanzhou University of Technology, Langongping Road 287, Lanzhou 730050, P. R. China
| | - Zhaoqi Zhu
- College of Petrochemical Technology, Lanzhou University of Technology, Langongping Road 287, Lanzhou 730050, P. R. China
| | - Hanxue Sun
- College of Petrochemical Technology, Lanzhou University of Technology, Langongping Road 287, Lanzhou 730050, P. R. China
| | - Weidong Liang
- College of Petrochemical Technology, Lanzhou University of Technology, Langongping Road 287, Lanzhou 730050, P. R. China
| | - An Li
- College of Petrochemical Technology, Lanzhou University of Technology, Langongping Road 287, Lanzhou 730050, P. R. China
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Yang T, Wang C, Wu Z. Strain Hardening in Graphene Foams under Shear. ACS OMEGA 2021; 6:22780-22790. [PMID: 34514249 PMCID: PMC8427771 DOI: 10.1021/acsomega.1c03127] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 08/18/2021] [Indexed: 06/13/2023]
Abstract
Strain hardening is an important issue for the design and application of materials. The strain hardening of graphene foams has been widely observed but poorly understood. Here, by adopting the coarse-grained molecular dynamics method, we systematically investigated the microscopic mechanism and influencing factors of strain hardening and related mechanical properties of graphene foams under shear loading. We found that the strain hardening is induced by cumulative nonlocalized bond-breakings and rearrangements of microstructures. Furthermore, it can be effectively tuned by the number of graphene layers and cross-link densities, i.e., the strain hardening would emerge at a smaller shear strain for the graphene foams with thicker sheets and/or more cross-links. In addition, the shear stiffness G of graphene foams increases linearly with the cross-link density and exponentially with the number of graphene layers n by G ∼ n 1.95. These findings not only improve our understanding of the promising bulk materials but also pave the way for optimizing structural design in wide applications based on their mechanical properties.
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Affiliation(s)
- Tian Yang
- LNM, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School
of Engineering Science, University of Chinese
Academy of Sciences, Beijing 100049, China
| | - Chao Wang
- LNM, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School
of Engineering Science, University of Chinese
Academy of Sciences, Beijing 100049, China
| | - Zuobing Wu
- LNM, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School
of Engineering Science, University of Chinese
Academy of Sciences, Beijing 100049, China
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Super-elasticity at 4 K of covalently crosslinked polyimide aerogels with negative Poisson's ratio. Nat Commun 2021; 12:4092. [PMID: 34215741 PMCID: PMC8253740 DOI: 10.1038/s41467-021-24388-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 06/14/2021] [Indexed: 01/24/2023] Open
Abstract
The deep cryogenic temperatures encountered in aerospace present significant challenges for the performance of elastic materials in spacecraft and related apparatus. Reported elastic carbon or ceramic aerogels overcome the low-temperature brittleness in conventional elastic polymers. However, complicated fabrication process and high costs greatly limited their applications. In this work, super-elasticity at a deep cryogenic temperature of covalently crosslinked polyimide (PI) aerogels is achieved based on scalable and low-cost directional dimethyl sulfoxide crystals assisted freeze gelation and freeze-drying strategy. The covalently crosslinked chemical structure, cellular architecture, negative Poisson's ratio (-0.2), low volume shrinkage (3.1%), and ultralow density (6.1 mg/cm3) endow the PI aerogels with an elastic compressive strain up to 99% even in liquid helium (4 K), almost zero loss of resilience after dramatic thermal shocks (∆T = 569 K), and fatigue resistance over 5000 times compressive cycles. This work provides a new pathway for constructing polymer-based materials with super-elasticity at deep cryogenic temperature, demonstrating much promise for extensive applications in ongoing and near-future aerospace exploration.
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Ouyang W, Hod O, Urbakh M. Parity-Dependent Moiré Superlattices in Graphene/h-BN Heterostructures: A Route to Mechanomutable Metamaterials. PHYSICAL REVIEW LETTERS 2021; 126:216101. [PMID: 34114852 DOI: 10.1103/physrevlett.126.216101] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Accepted: 04/29/2021] [Indexed: 06/12/2023]
Abstract
The superlattice of alternating graphene/h-BN few-layered heterostructures is found to exhibit strong dependence on the parity of the number of layers within the stack. Odd-parity systems show a unique flamingolike pattern, whereas their even-parity counterparts exhibit regular hexagonal or rectangular superlattices. When the alternating stack consists of 7 layers or more, the flamingo pattern becomes favorable, regardless of parity. Notably, the out-of-plane corrugation of the system strongly depends on the shape of the superstructure resulting in significant parity dependence of its mechanical properties. The predicted phenomenon originates in an intricate competition between moiré patterns developing at the interface of consecutive layers. This mechanism is of general nature and is expected to occur in other alternating stacks of closely matched rigid layered materials as demonstrated for homogeneous alternating junctions of twisted graphene and h-BN. Our findings thus allow for the rational design of mechanomutable metamaterials based on van der Waals heterostructures.
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Affiliation(s)
- Wengen Ouyang
- Department of Engineering Mechanics, School of Civil Engineering, Wuhan University, Wuhan, Hubei 430072, China
| | - Oded Hod
- Department of Physical Chemistry, School of Chemistry and The Sackler Center for Computational Molecular and Materials Science, The Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Michael Urbakh
- Department of Physical Chemistry, School of Chemistry and The Sackler Center for Computational Molecular and Materials Science, The Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
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Archer B, Shaumbwa VR, Liu D, Li M, Iimaa T, Surenjav U. Nanofibrous Mats for Particulate Matter Filtration. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c00829] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Bright Archer
- Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Collaborative Innovation Centre of Atmospheric Environment and Equipment Technology, School of Environment Science & Engineering, Nanjing University of Information Science & Technology, Nanjing, 210044, China
| | - Veino Risto Shaumbwa
- Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Collaborative Innovation Centre of Atmospheric Environment and Equipment Technology, School of Environment Science & Engineering, Nanjing University of Information Science & Technology, Nanjing, 210044, China
| | - Dagang Liu
- Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Collaborative Innovation Centre of Atmospheric Environment and Equipment Technology, School of Environment Science & Engineering, Nanjing University of Information Science & Technology, Nanjing, 210044, China
| | - Minyu Li
- Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Collaborative Innovation Centre of Atmospheric Environment and Equipment Technology, School of Environment Science & Engineering, Nanjing University of Information Science & Technology, Nanjing, 210044, China
| | - Tuyajargal Iimaa
- National Center for Public Health, Ministry of Health, Ulaanbaatar, 13381, Mongolia
| | - Unursaikhan Surenjav
- National Center for Public Health, Ministry of Health, Ulaanbaatar, 13381, Mongolia
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41
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Dong J, Zeng J, Wang B, Cheng Z, Xu J, Gao W, Chen K. Mechanically Flexible Carbon Aerogel with Wavy Layers and Springboard Elastic Supporting Structure for Selective Oil/Organic Solvent Recovery. ACS APPLIED MATERIALS & INTERFACES 2021; 13:15910-15924. [PMID: 33779136 DOI: 10.1021/acsami.1c02394] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Even though compressible carbon aerogels are widely studied for oil/organic solvent recovery, it is challenging to simultaneously achieve excellent mechanical performance and recovery efficiency due to the brittleness of the carbon skeleton. Here a novel strategy is proposed to efficiently fabricate a 3D elastic reduced graphene oxide (RGO)-cross-linked carbon aerogel. Notably, cellulose nanocrystals (CNCs) isolated from plant pulp act as an essential component, and prehydrolysis liquor (PHL), an industrial byproduct in the plant pulping process, serves as the adhesion promoter to achieve enhancement of the strength and flexibility of the carbon aerogel. For the first time, all components (pulp and PHL) of the tree were fully exploited to design a carbon aerogel. The formation of wavy carbon layers with springboard elastic supporting microstructure enables mechanical stretch and shrink as well as avoids interfacial collapse during compression. Benefiting from the unique wavy layer structure and strong interaction, the carbon aerogels are ultralight (4.98 mg cm-3) and exhibit supercompression (undergoing extreme strain of 95%) and superelasticity (about 100% height retention after 500 cycles at a strain of 50%). Particularly, the carbon aerogel can selectively and quickly adsorb various oily contaminants, exhibiting high oil/organic solvents absorption capacity (reaches up to 276 g g-1 for carbon tetrachloride) and good recyclability. Finally, practical applications of the carbon aerogel in oil-cleanup and pollution-remediation devices are exhibited. Hence, this versatile and robust functionalized carbon aerogel has promising potential in oil cleanup and pollution remediation.
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Affiliation(s)
- Jiran Dong
- State Key Laboratory of Pulp and Paper Engineering, Plant Fiber Research Center, School of Light Industry and Engineering, South China University of Technology, Guangzhou, CN 510640, China
| | - Jinsong Zeng
- State Key Laboratory of Pulp and Paper Engineering, Plant Fiber Research Center, School of Light Industry and Engineering, South China University of Technology, Guangzhou, CN 510640, China
| | - Bin Wang
- State Key Laboratory of Pulp and Paper Engineering, Plant Fiber Research Center, School of Light Industry and Engineering, South China University of Technology, Guangzhou, CN 510640, China
| | - Zheng Cheng
- State Key Laboratory of Pulp and Paper Engineering, Plant Fiber Research Center, School of Light Industry and Engineering, South China University of Technology, Guangzhou, CN 510640, China
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, CN 510640, China
| | - Jun Xu
- State Key Laboratory of Pulp and Paper Engineering, Plant Fiber Research Center, School of Light Industry and Engineering, South China University of Technology, Guangzhou, CN 510640, China
| | - Wenhua Gao
- State Key Laboratory of Pulp and Paper Engineering, Plant Fiber Research Center, School of Light Industry and Engineering, South China University of Technology, Guangzhou, CN 510640, China
| | - Kefu Chen
- State Key Laboratory of Pulp and Paper Engineering, Plant Fiber Research Center, School of Light Industry and Engineering, South China University of Technology, Guangzhou, CN 510640, China
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42
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Zhuang P, Li D, Xu N, Yu X, Zhou L. Stable Self-Floating Reduced Graphene Oxide Hydrogel Membrane for High Rate of Solar Vapor Evaporation under 1 sun. GLOBAL CHALLENGES (HOBOKEN, NJ) 2021; 5:2000053. [PMID: 33437522 PMCID: PMC7788581 DOI: 10.1002/gch2.202000053] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 08/27/2020] [Indexed: 05/12/2023]
Abstract
Highly efficient vapor generation with considerable stability under natural solar irradiance is a promising technology for seawater desalination and wastewater purification. Here a broadband solar absorber of reduced graphene oxide hydrogel membrane (rGOHM), synthesized via an environmentally friendly one-step hydrothermal reduction process, is demonstrated, which shows a high rate of solar vapor production and superior stability. The porous rGOHM containing more than 99.5% water within its small volume floats on the surface of water, exhibiting efficient solar absorption of ≈98% across 300-2500 nm, as well as sufficient water-pumping pathways. The evaporation rate can be tuned by changing the water volume. By controlling the water volume, the self-floating rGOHM can enable efficient interfacial solar vapor generation at a high rate of ≈2.33 kg m-2 h-1 under 1 sun, which is comparable to the rate generated by the evaporator with an extra insulator. In addition, the evaporation rate of rGOHM is only slightly affected at a high saltwater concentration (at least 15 wt%), and the rGOHM shows mechanical and physical stability. The superior evaporation performance combined with efficient eradication of wastewater contaminants, cost-effectiveness, and straightforward fabrication process, makes this rGOHMs ideal for advanced high-concentration seawater desalination and wastewater treatment technologies.
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Affiliation(s)
- Pengyu Zhuang
- National Laboratory of Solid State MicrostructuresCollege of Engineering and Applied SciencesSchool of PhysicsKey Laboratory of Intelligent Optical Sensing and IntegrationMinistry of EducationNanjing UniversityNanjing210093P. R. China
- School of PhysicsSoutheast UniversityNanjing211189P. R. China
| | - Duo Li
- National Laboratory of Solid State MicrostructuresCollege of Engineering and Applied SciencesSchool of PhysicsKey Laboratory of Intelligent Optical Sensing and IntegrationMinistry of EducationNanjing UniversityNanjing210093P. R. China
| | - Ning Xu
- National Laboratory of Solid State MicrostructuresCollege of Engineering and Applied SciencesSchool of PhysicsKey Laboratory of Intelligent Optical Sensing and IntegrationMinistry of EducationNanjing UniversityNanjing210093P. R. China
| | - Xiaoqiang Yu
- School of PhysicsSoutheast UniversityNanjing211189P. R. China
- Nanjing Xiaozhuang UniversityNanjing211171P. R. China
| | - Lin Zhou
- National Laboratory of Solid State MicrostructuresCollege of Engineering and Applied SciencesSchool of PhysicsKey Laboratory of Intelligent Optical Sensing and IntegrationMinistry of EducationNanjing UniversityNanjing210093P. R. China
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43
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Zhou J, Du E, He Y, Fan Y, Ye Y, Tang B. Preparation of Carbonized Kapok Fiber/Reduced Graphene Oxide Aerogel for Oil‐Water Separation. Chem Eng Technol 2020. [DOI: 10.1002/ceat.202000168] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Ji Zhou
- Hubei University Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules College of Chemistry and Chemical Engineering 430062 Wuhan China
| | - Enhui Du
- Hubei University Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules College of Chemistry and Chemical Engineering 430062 Wuhan China
| | - Yu He
- Hubei University Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules College of Chemistry and Chemical Engineering 430062 Wuhan China
| | - Yunde Fan
- Hubei University Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules College of Chemistry and Chemical Engineering 430062 Wuhan China
| | - Yong Ye
- Hubei University Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules College of Chemistry and Chemical Engineering 430062 Wuhan China
| | - Bin Tang
- Wuhan Textile University National Engineering Laboratory for Advanced Yarn and Fabric Formation and Clean Production 430073 Wuhan China
- Deakin University Institute for Frontier Materials 3216 Geelong/Melbourne Victoria Australia
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44
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Sun Z, Fang S, Hu YH. 3D Graphene Materials: From Understanding to Design and Synthesis Control. Chem Rev 2020; 120:10336-10453. [PMID: 32852197 DOI: 10.1021/acs.chemrev.0c00083] [Citation(s) in RCA: 126] [Impact Index Per Article: 31.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Carbon materials, with their diverse allotropes, have played significant roles in our daily life and the development of material science. Following 0D C60 and 1D carbon nanotube, 2D graphene materials, with their distinctively fascinating properties, have been receiving tremendous attention since 2004. To fulfill the efficient utilization of 2D graphene sheets in applications such as energy storage and conversion, electrochemical catalysis, and environmental remediation, 3D structures constructed by graphene sheets have been attempted over the past decade, giving birth to a new generation of graphene materials called 3D graphene materials. This review starts with the definition, classifications, brief history, and basic synthesis chemistries of 3D graphene materials. Then a critical discussion on the design considerations of 3D graphene materials for diverse applications is provided. Subsequently, after emphasizing the importance of normalized property characterization for the 3D structures, approaches for 3D graphene material synthesis from three major types of carbon sources (GO, hydrocarbons and inorganic carbon compounds) based on GO chemistry, hydrocarbon chemistry, and new alkali-metal chemistry, respectively, are comprehensively reviewed with a focus on their synthesis mechanisms, controllable aspects, and scalability. At last, current challenges and future perspectives for the development of 3D graphene materials are addressed.
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Affiliation(s)
- Zhuxing Sun
- Department of Materials Science and Engineering, Michigan Technological University, Houghton, Michigan 49931-1295, United States
| | - Siyuan Fang
- Department of Materials Science and Engineering, Michigan Technological University, Houghton, Michigan 49931-1295, United States
| | - Yun Hang Hu
- Department of Materials Science and Engineering, Michigan Technological University, Houghton, Michigan 49931-1295, United States.,School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
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Mai VC, Das P, Ronn G, Zhou J, Lim TT, Duan H. Hierarchical Graphene/Metal-Organic Framework Composites with Tailored Wettability for Separation of Immiscible Liquids. ACS APPLIED MATERIALS & INTERFACES 2020; 12:35563-35571. [PMID: 32635718 DOI: 10.1021/acsami.0c06903] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Membrane filtration is a promising technology for the separation of organic immiscible liquids. Surface topography has a direct impact on the wettability of membranes, and it remains largely unexplored. Here, we introduce on-demand liquid separation by coating porous graphene/metal-organic framework (MOF) composites with tunable wettability on porous substrates. Our results have shown that polydopamine (PDA) coating mediates the controlled growth of MOF nanostructures and subsequent fluorination on the porous graphene framework. Surface topography of the graphene frameworks strongly depends on the loading content of MOF nanostructures. The concurrent control of surface coverage of MOF and surface chemistry allows tailoring of the trapped air fraction underneath the porous graphene frameworks in the range of 0.97 to 0.8. As a result, the surface energy of the graphene/MOF coatings can be programmed to afford the change in surface properties from superamphiphobicity to lyophobicity and the selective penetration of low-surface-energy (SE) liquids and the interception of high-SE liquids were achieved. The tailored wettability of graphene/MOF coatings allows for the separation of liquid mixtures of different ranges of SE, making it a general strategy for complex liquid treatment and chemical purification.
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Affiliation(s)
- Van Cuong Mai
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Drive, Singapore 637457
- Nanyang Environment and Water Research Institute (NEWRI), Interdisciplinary Graduate School (IGS), Nanyang Technological University, 1 Clean Tech Loop, Singapore 637141
| | - Paramita Das
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Drive, Singapore 637457
| | - Goei Ronn
- Nanyang Environment and Water Research Institute (NEWRI), Interdisciplinary Graduate School (IGS), Nanyang Technological University, 1 Clean Tech Loop, Singapore 637141
| | - Jiajing Zhou
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Drive, Singapore 637457
| | - Teik Thye Lim
- Nanyang Environment and Water Research Institute (NEWRI), Interdisciplinary Graduate School (IGS), Nanyang Technological University, 1 Clean Tech Loop, Singapore 637141
| | - Hongwei Duan
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Drive, Singapore 637457
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Highly compressible and anisotropic lamellar ceramic sponges with superior thermal insulation and acoustic absorption performances. Nat Commun 2020; 11:3732. [PMID: 32709868 PMCID: PMC7382455 DOI: 10.1038/s41467-020-17533-6] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Accepted: 06/29/2020] [Indexed: 01/20/2023] Open
Abstract
Advanced ceramic sponge materials with temperature-invariant high compressibility are urgently needed as thermal insulators, energy absorbers, catalyst carriers, and high temperature air filters. However, the application of ceramic sponge materials is severely limited due to their complex preparation process. Here, we present a facile method for large-scale fabrication of highly compressible, temperature resistant SiO2-Al2O3 composite ceramic sponges by blow spinning and subsequent calcination. We successfully produce anisotropic lamellar ceramic sponges with numerous stacked microfiber layers and density as low as 10 mg cm-3. The anisotropic lamellar ceramic sponges exhibit high compression fatigue resistance, strain-independent zero Poisson's ratio, robust fire resistance, temperature-invariant compression resilience from -196 to 1000 °C, and excellent thermal insulation with a thermal conductivity as low as 0.034 W m-1 K-1. In addition, the lamellar structure also endows the ceramic sponges with excellent sound absorption properties, representing a promising alternative to existing thermal insulation and acoustic absorption materials.
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Su L, Wang H, Niu M, Dai S, Cai Z, Yang B, Huyan H, Pan X. Anisotropic and hierarchical SiC@SiO 2 nanowire aerogel with exceptional stiffness and stability for thermal superinsulation. SCIENCE ADVANCES 2020; 6:eaay6689. [PMID: 32637589 PMCID: PMC7314525 DOI: 10.1126/sciadv.aay6689] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Accepted: 05/12/2020] [Indexed: 05/25/2023]
Abstract
Ceramic aerogels are promising lightweight and high-efficient thermal insulators for applications in buildings, industry, and aerospace vehicles but are usually limited by their brittleness and structural collapse at high temperatures. In recent years, fabricating nanostructure-based ultralight materials has been proved to be an effective way to realize the resilience of ceramic aerogels. However, the randomly distributed macroscale pores in these architectures usually lead to low stiffness and reduced thermal insulation performance. Here, to overcome these obstacles, a SiC@SiO2 nanowire aerogel with a nanowire-assembled anisotropic and hierarchical microstructure was prepared by using directional freeze casting and subsequent heat treatment. The aerogel exhibits an ultralow thermal conductivity of ~14 mW/m·K, an exceptional high stiffness (a specific modulus of ~24.7 kN·m/kg), and excellent thermal and chemical stabilities even under heating at 1200°C by a butane blow torch, which makes it an ideal thermally superinsulating material for applications under extreme conditions.
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Affiliation(s)
- Lei Su
- State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, P. R. China
- Department of Materials Science and Engineering, University of California, Irvine, Irvine, CA 92697, USA
| | - Hongjie Wang
- State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, P. R. China
| | - Min Niu
- State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, P. R. China
| | - Sheng Dai
- Department of Materials Science and Engineering, University of California, Irvine, Irvine, CA 92697, USA
| | - Zhixin Cai
- State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, P. R. China
| | - Biguo Yang
- State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, P. R. China
| | - Huaixun Huyan
- Department of Materials Science and Engineering, University of California, Irvine, Irvine, CA 92697, USA
| | - Xiaoqing Pan
- Department of Materials Science and Engineering, University of California, Irvine, Irvine, CA 92697, USA
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Peng K, Wang H, Wan P, Wang J, Luo H, Zhou S, Li X, Yang J. Graphene Modified Montmorillonite Based Phase Change Material for Thermal Energy Storage with Enhanced Interfacial Thermal Transfer. ChemistrySelect 2020. [DOI: 10.1002/slct.202001558] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Kang Peng
- State Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University Xi'an 710049 China
| | - Hongjie Wang
- State Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University Xi'an 710049 China
| | - Pengfei Wan
- State Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University Xi'an 710049 China
| | - Jianwei Wang
- State Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University Xi'an 710049 China
| | - Hua Luo
- State Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University Xi'an 710049 China
| | - Senhai Zhou
- State Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University Xi'an 710049 China
| | - Xiaoyu Li
- School of Materials Science and Engineering Chang'an University Xi'an 710064 China
| | - Jun Yang
- School of Metallurgical Engineering Xi'an University of Architecture and Technology Xi'an 710055 China
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Yang H, Jin X, Sun G, Li Z, Gao J, Lu B, Shao C, Zhang X, Dai C, Zhang Z, Chen N, Lupi S, Marcelli A, Qu L. Retarding Ostwald Ripening to Directly Cast 3D Porous Graphene Oxide Bulks at Open Ambient Conditions. ACS NANO 2020; 14:6249-6257. [PMID: 32356971 DOI: 10.1021/acsnano.0c02379] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Graphene aerogels (GAs) with attractive properties have shown tremendous potentials in energy- and environment-related applications. Unfortunately, current assembly methods for GAs such as sol-gel and freeze-casting processes must be conducted in enclosed spaces with unconventional conditions, thus being literally inoperative for in situ and continuous productions. Herein, a direct slurry-casting method at open ambient conditions is established to arbitrarily prepare three-dimensional (3D) porous graphene oxide (GO) bulks without macroscopic dimension limits on a wide range of solid surfaces by retarding Ostwald ripening of 3D liquid GO foams when being dried in air. A subsequent fast thermal reduction (FTR) of GO foams leads to the formation of graphene aerogels (denoted as FTR-GAs) with hierarchical closed-cellular graphene structures. The FTR-GAs show outstanding high-temperature thermal insulation (70% decrease for 400 °C), as well as superelasticity (>1000 compression-recovery cycles at 50% strain), ultralow density (10-28 mg cm-3), large specific surface area (BET, 206.8 m2 g-1), and high conductivity (ca. 100 S m-1). This work provides a viable method to achieve in situ preparations of high-performance GAs as multifunctional structural materials in aircrafts, high-speed trains, or even buildings for the targets of energy efficiency, comfort, and safety.
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Affiliation(s)
- Hongsheng Yang
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science, Ministry of Education, School of Chemistry, Beijing Institute of Technology, Beijing 100081, People's Republic of China
| | - Xuting Jin
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science, Ministry of Education, School of Chemistry, Beijing Institute of Technology, Beijing 100081, People's Republic of China
| | - Guoqiang Sun
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science, Ministry of Education, School of Chemistry, Beijing Institute of Technology, Beijing 100081, People's Republic of China
| | - Zengling Li
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science, Ministry of Education, School of Chemistry, Beijing Institute of Technology, Beijing 100081, People's Republic of China
| | - Jian Gao
- College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, Shandong, People's Republic of China
| | - Bing Lu
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science, Ministry of Education, School of Chemistry, Beijing Institute of Technology, Beijing 100081, People's Republic of China
| | - Changxiang Shao
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science, Ministry of Education, School of Chemistry, Beijing Institute of Technology, Beijing 100081, People's Republic of China
| | - Xinqun Zhang
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science, Ministry of Education, School of Chemistry, Beijing Institute of Technology, Beijing 100081, People's Republic of China
| | - Chunlong Dai
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science, Ministry of Education, School of Chemistry, Beijing Institute of Technology, Beijing 100081, People's Republic of China
| | - Zhipan Zhang
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science, Ministry of Education, School of Chemistry, Beijing Institute of Technology, Beijing 100081, People's Republic of China
| | - Nan Chen
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science, Ministry of Education, School of Chemistry, Beijing Institute of Technology, Beijing 100081, People's Republic of China
| | - Stefano Lupi
- INFN and Department of Physics, University of Rome La Sapienza, P.le A. Moro 5, 00185 Rome, Italy
| | - Augusto Marcelli
- INFN-Laboratori Nazionali di Frascati, Via Enrico Fermi 40, 00044 Frascati (RM), Italy
- International Centre for Material Science Superstripes, RICMASS, Via dei Sabelli 119A, 00185 Rome, Italy
| | - Liangti Qu
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science, Ministry of Education, School of Chemistry, Beijing Institute of Technology, Beijing 100081, People's Republic of China
- Department of Chemistry & Department of Mechanical Engineering, Tsinghua University, Beijing 100084, People's Republic of China
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50
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Huang J, Zeng J, Liang B, Wu J, Li T, Li Q, Feng F, Feng Q, Rood MJ, Yan Z. Multi-Arch-Structured All-Carbon Aerogels with Superelasticity and High Fatigue Resistance as Wearable Sensors. ACS APPLIED MATERIALS & INTERFACES 2020; 12:16822-16830. [PMID: 32186851 DOI: 10.1021/acsami.0c01794] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Compressible and ultralight all-carbon materials are promising candidates for piezoresistive pressure sensors. Although several fabrication methods have been developed, the required elasticity and fatigue resistance of all-carbon materials are yet to be satisfied as a result of energy loss and structure-derived fatigue failure. Herein, we present a two-stage solvothermal freeze-casting approach to fabricate all-carbon aerogel [modified graphene aerogel (MGA)] with a multi-arched structure, which is enabled by the in-depth solvothermal reduction of graphene oxide and unidirectional ice-crystal growth. MGA exhibits supercompressibility and superelasticity, which can resist an extreme compressive strain of 99% and maintain 93.4% height retention after 100 000 cycles at the strain of 80%. Rebound experiments reveal that MGA can rebound the ball (367 times heavier than the aerogel) in 0.02 s with a very fast recovery speed (∼615 mm s-1). Even if the mass ratio between the ball and aerogel is increased to 1306, the ball can be rebound in a relatively short time (0.04 s) with a fast recovery speed (∼535 mm s-1). As a result of its excellent mechanical robustness and electrical conductivity, MGA presents a stable stress-current response (10 000 cycles), tunable linear sensitivity (9.13-7.29 kPa-1), and low power consumption (4 mW). The MGA-based wearable pressure sensor can monitor human physiological signals, such as pulses, sound vibrations, and muscular movements, demonstrating its potential practicability as a wearable device.
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Affiliation(s)
- Jiankun Huang
- College of Science, China University of Petroleum (East China), Qingdao, Shandong 266580, People's Republic of China
| | - Jingbin Zeng
- College of Science, China University of Petroleum (East China), Qingdao, Shandong 266580, People's Republic of China
| | - Baoqiang Liang
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, Shandong 266580, People's Republic of China
| | - Junwei Wu
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, Shandong 266580, People's Republic of China
| | - Tongge Li
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, Shandong 266580, People's Republic of China
| | - Qing Li
- College of Science, China University of Petroleum (East China), Qingdao, Shandong 266580, People's Republic of China
| | - Fan Feng
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, Shandong 266580, People's Republic of China
| | - Qingwen Feng
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, Shandong 266580, People's Republic of China
| | - Mark J Rood
- Department of Civil and Environmental Engineering, University of Illinois, 3230E Newmark Lab, MC-250, 205 North Mathews Avenue, Urbana, Illinois 61801 United States
| | - Zifeng Yan
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, Shandong 266580, People's Republic of China
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