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Huang W, Wang W, Su C, Song M, Kang Y, Fei G. Hetero-Interface Engineering on 9.0 wt% CoO x-Doped CeO 2 Nanorods as Electromagnetic Wave Absorber and Integrated into Multifunctional Aerogel. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2311389. [PMID: 38483016 DOI: 10.1002/smll.202311389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 03/05/2024] [Indexed: 08/09/2024]
Abstract
Ceria (CeO2) becomes a promising candidate as electromagnetic wave absorbing materials (EWAMs) for their abundant natural source, rich oxygen vacancy, charge conversion, and electron transfer abilities. However, it remains challenging to regulate its nanoscale and atom-scale composition to optimize the absorbing performance and develop high-performance commercial devices. Herein, a facile method to large-scale synthesis CeO2@Co-x% (x = 5, 7, 9, 11, 13) series EWAMs with diverse amounts of decorated CoOx is presented. By modulating the ratio of doped CoOx, a rational hetero-interface is created in CeO2@Co-9% to enhance natural and exchange resonances, improving magnetic loss capability and optimizing impedance matching. Doped CoOx promotes the charge accumulation, interfacial polarization, and multiple scattering of the CeO2 for strengthening the EW absorption and attenuation, which display superb minimum reflective loss (RLmin) of -74.4 dB with a wide effective absorbing bandwidth (EAB) of 5.26 GHz. Furthermore, a dual crosslinking strategy is employed to fabricate CeO2@Co-9% into an aerogel device with integrated lightweight, heat insulation, compression resistance, and fame-retardant functions. This work presents an excellent example of large-scale fast synthesis of high-performance CeO2-based EWAMs and multiplication 3D devices.
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Affiliation(s)
- Wenhuan Huang
- Key Laboratory of Chemical Additives for China National Light Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Wei Wang
- Key Laboratory of Chemical Additives for China National Light Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Chenyang Su
- Key Laboratory of Chemical Additives for China National Light Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Ming Song
- Key Laboratory of Chemical Additives for China National Light Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Yifan Kang
- Key Laboratory of Chemical Additives for China National Light Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Guiqiang Fei
- Key Laboratory of Chemical Additives for China National Light Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China
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Liu T, Zhang Y, Wang C, Kang Y, Wang M, Wu F, Huang W. Multifunctional MoC x Hybrid Polyimide Aerogel with Modified Porous Defect Engineering for Highly Efficient Electromagnetic Wave Absorption. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2308378. [PMID: 38453681 DOI: 10.1002/smll.202308378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 11/20/2023] [Indexed: 03/09/2024]
Abstract
Traditional electromagnetic absorbing materials (EWAMs) are usually single functions and can easily affect their performance in diverse application scenarios. Effective integration of EWAMs into multiple function components is a valuable strategy to achieve maximum absorption and multifunction performance while maintaining their indispensable physical and chemical properties. In this work, the polyoxometalates (POMs) serving as "guests" are embedded within the Co-MOFs to construct 3d/4d-bimetallic based crystalline precursors of dielectric/magnetic synergistic system. The proper pyrolysis temperature induced the homogeneously distributed metallic Co and MoCx hetero-units into carbon matrix with modified porous defect engineering to enhance electromagnetic wave (EW). Owing to the brilliant synergistic effect of polarization, magnetic loss, and impedance matching, the superior RLmin of -47.72 dB at 11.76 GHz at the thickness of 2.0 mm and a wide adequate absorption bandwidth (EAB) of 4.58 GHz (7.44-12.02 GHz) covered the whole X-band at the thickness of 2.5 mm for η-MoC/Co@NC-800 are observed. More importantly, the resulting MoCx hybrid polyimide (MCP) aerogel exhibits desirable properties such as structural robustness, nonflammability, excellent thermal insulation, and self-cleaning capabilities that are comparable to those of commercially available products. This work offers inspiration and strategy for creating multipurpose microwave absorbers with intricate structural designs.
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Affiliation(s)
- Tong Liu
- Key Laboratory of Chemical Additives for China National Light Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China
- College of New Energy, Xi'an Shiyou University, Xi'an, 710065, China
| | - Yanan Zhang
- Key Laboratory of Chemical Additives for China National Light Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Chong Wang
- Key Laboratory of Chemical Additives for China National Light Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Yifan Kang
- Key Laboratory of Chemical Additives for China National Light Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Miao Wang
- Key Laboratory of Chemical Additives for China National Light Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Fan Wu
- Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, China
| | - Wenhuan Huang
- Key Laboratory of Chemical Additives for China National Light Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China
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3
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Lian Y, Lan D, Jiang X, Wang L, Yan S, Dong Q, Jiang Y, Gu J, Gao Z, Wu G. Multifunctional electromagnetic wave absorbing carbon fiber/Ti 3C 2T X MXene fabric with superior near-infrared laser dependent photothermal antibacterial behaviors. J Colloid Interface Sci 2024; 676:217-226. [PMID: 39024822 DOI: 10.1016/j.jcis.2024.07.102] [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: 05/28/2024] [Revised: 07/05/2024] [Accepted: 07/11/2024] [Indexed: 07/20/2024]
Abstract
Developing multifunctional materials which could simultaneously possess anti-bacterial ability and electromagnetic (EM) absorption ability during medical care is quite essential since the EM waves radiation and antibiotic-resistant bacteria are threatening people's health. In this work, the multifunctional carbon fiber/Ti3C2Tx MXene (CM) were synthesized through repeated dip-coating and following in-situ growth method. The as-fabricated CF/MXene displayed outstanding EM wave absorption and highly efficient photothermal converting ability. The minimum reflection loss (RL) of -57.07 dB and ultra-broad absorption of 7.74 GHz could be achieved for CM composites. By growth of CoNi-layered double hydroxides (LDHs) sheets onto MXene, the absorption bandwidth for carbon fiber/Ti3C2Tx MXene layered double hydroxides (CML) could be reach 5.44 GHz, which could cover the whole Ku band. The excellent photothermal effect endow the CM composites with excellent antibacterial performance. The antibacterials tests indicated that nearly 100 % bactericidal efficiency against E. acoil and S. aureus was obtained for the CM composite after exposure to near-infrared region (NIR) irradiation. This work provides a promising candidate to combat medical device-related infections and EM pollution.
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Affiliation(s)
- Yuanyuan Lian
- Department of Otolaryngology, the Affiliated Hospital of Qingdao University, Qingdao 266000, China.
| | - Di Lan
- School of Materials Science and Engineering, Hubei University of Automotive Technology, Shiyan 442002, China
| | - Xiaodan Jiang
- Department of Otolaryngology, the Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - Lin Wang
- Department of Otolaryngology, the Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - Shu Yan
- Department of Otolaryngology, the Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - Qingzhe Dong
- Medical Research Center of the Affiliated Hospital of Qingdao University, Qingdao 266000, China
| | - Yan Jiang
- Department of Otolaryngology, the Affiliated Hospital of Qingdao University, Qingdao 266000, China.
| | - Junwei Gu
- Shananxi Key Laboratory of Macromolecular Science and Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710072, China
| | - Zhenguo Gao
- Institute of Materials for Energy and Environment, State Key Laboratory of Bio-fibers and Eco-textiles, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China
| | - Guanglei Wu
- Institute of Materials for Energy and Environment, State Key Laboratory of Bio-fibers and Eco-textiles, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China.
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Wang W, Yang K, Zhu Q, Zhang T, Guo L, Hu F, Zhong R, Wen X, Wang H, Qi J. MOFs-Based Materials with Confined Space: Opportunities and Challenges for Energy and Catalytic Conversion. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2311449. [PMID: 38738782 DOI: 10.1002/smll.202311449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 04/15/2024] [Indexed: 05/14/2024]
Abstract
Metal-Organic Frameworks (MOFs) are a very promising material in the fields of energy and catalysis due to their rich active sites, tunable pore size, structural adaptability, and high specific surface area. The concepts of "carbon peak" and "carbon neutrality" have opened up huge development opportunities in the fields of energy storage, energy conversion, and catalysis, and have made significant progress and breakthroughs. In recent years, people have shown great interest in the development of MOFs materials and their applications in the above research fields. This review introduces the design strategies and latest progress of MOFs are included based on their structures such as core-shell, yolk-shell, multi-shelled, sandwich structures, unique crystal surface exposures, and MOF-derived nanomaterials in detail. This work comprehensively and systematically reviews the applications of MOF-based materials in energy and catalysis and reviews the research progress of MOF materials for atmospheric water harvesting, seawater uranium extraction, and triboelectric nanogenerators. Finally, this review looks forward to the challenges and opportunities of controlling the synthesis of MOFs through low-cost, improved conductivity, high-temperature heat resistance, and integration with machine learning. This review provides useful references for promoting the application of MOFs-based materials in the aforementioned fields.
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Affiliation(s)
- Wei Wang
- School of Materials Science and Engineering, Northeastern University, Shenyang, Liaoning, 110819, China
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, China
| | - Ke Yang
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, China
| | - Qinghan Zhu
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, China
| | - Tingting Zhang
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, China
| | - Li Guo
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, China
| | - Feiyang Hu
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, China
| | - Ruixia Zhong
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, China
| | - Xiaojing Wen
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, China
| | - Haiwang Wang
- Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, China
| | - Jian Qi
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
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5
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Wang H, Feng S, Sun M, Li X, Wang C, Lin Z, Ma M, Li T, Ma Y. Fabrication of hollow core-shell NiCo 2O 4@polypyrrole nanofibers/reduced graphene oxide ternary composites with excellent microwave absorption performances. J Colloid Interface Sci 2024; 658:889-902. [PMID: 38157613 DOI: 10.1016/j.jcis.2023.12.132] [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: 11/29/2023] [Revised: 12/18/2023] [Accepted: 12/19/2023] [Indexed: 01/03/2024]
Abstract
In contemporary times, electromagnetic radiation poses a significant threat to both human health and the normal functioning of electronic devices. Developing composites as adsorption materials possess exceptional electromagnetic wave absorption performances can efficient address this critical issue. Herein, hollow core-shell NiCo2O4@polypyrrole nanofibers/reduced graphene oxide (NiCo-HFPR) composites are fabricated by the combination of electrostatic spinning, air calcination, in-situ polymerization, freeze-drying and hydrazine vapor reduction. As anticipated, NiCo-HFPR-0.2 exhibits noteworthy properties, with the minimum reflection loss (RLmin) of -61.20 dB at 14.26 GHz and 1.56 mm, as well as the effective absorption bandwidth (EAB) of 4.90 GHz at 1.57 mm. Additionally, the simulation procedure is employed to determine the radar cross-section (RCS) attenuation. In comparison to a singular perfect electrically conductive (PEC) layer, the PEC layer coated with NiCo-HFPR-0.2 consistently yields an RCS value below -10 dB m2 within the range of -60° < θ < 60°. The RCS attenuation value of the NiCo-HFPR-0.2 coating achieves an outstanding 31.0 dB m2 at θ = 0°, strongly affirming the ability to effectively attenuate electromagnetic wave in real-world applications. The employed experimental methodology, the meticulously crafted composite, and the simulation outcomes presented in this study bear great promise for the progressive advancement of both theoretical investigations and practical applications within the domain of electromagnetic wave absorption.
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Affiliation(s)
- Haowen Wang
- School of Material Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, PR China
| | - Shixuan Feng
- School of Material Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, PR China
| | - Maoqin Sun
- Bodo Plastics Co., Ltd, Zibo 256100, PR China
| | - Xue Li
- School of Material Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, PR China
| | - Chuanjin Wang
- School of Material Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, PR China
| | - Zhongtai Lin
- School of Material Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, PR China
| | - Mingliang Ma
- School of Civil Engineering, Qingdao University of Technology, Qingdao 266033, PR China
| | - Tingxi Li
- School of Material Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, PR China
| | - Yong Ma
- School of Material Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, PR China.
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6
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Zhou Z, Zhou X, Lan D, Zhang Y, Jia Z, Wu G, Yin P. Modulation Engineering of Electromagnetic Wave Absorption Performance of Layered Double Hydroxides Derived Hollow Metal Carbides Integrating Corrosion Protection. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2305849. [PMID: 37817350 DOI: 10.1002/smll.202305849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 09/19/2023] [Indexed: 10/12/2023]
Abstract
Layered double hydroxides (LDHs) with unique layered structure and atomic composition are limited in the field of electromagnetic wave absorption (EMA) due to their poor electrical conductivity and lack of dielectric properties. In this study, the EMA performance and anticorrosion of hollow derived LDH composites are improved by temperature control and composition design using ZIF-8 as a sacrifice template. Diverse regulation modes result in different mechanisms for EMA. In the temperature control process, chemical reactions tune the composition of the products and construct a refined structure to optimize the LDHs conductivity loss. Additionally, the different phase interfaces generated by the control components optimize the impedance matching and enhance the interfacial polarization. The results show that the prepared NCZ (Ni3ZnC0.7/Co3ZnC@C) has a minimum reflection loss (RLmin ) of -58.92 dB with a thickness of 2.4 mm and a maximum effective absorption bandwidth (EABmax ) of 7.36 GHz with a thickness of 2.4 mm. Finally, due to its special structure and composition, the sample exhibits excellent anticorrosion properties. This work offers essential knowledge for designing engineering materials derived from metal organic framework (MOF) with cutting-edge components and nanostructures.
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Affiliation(s)
- Zehua Zhou
- College of Science, Sichuan Agricultural University, Ya'an, 625014, P. R. China
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, P. R. China
| | - Xinfeng Zhou
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, P. R. China
| | - Di Lan
- School of Materials Science and Engineering, Hubei University of Automotive Technology, Shiyan, 442002, P. R. China
| | - Yan Zhang
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, P. R. China
| | - Zirui Jia
- Institute of Materials for Energy and Environment, State Key Laboratory of Bio-fibers and Eco-textiles, College of Materials Science and Engineering, Qingdao University, Qingdao, 266071, P. R. China
| | - Guanglei Wu
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, P. R. China
| | - Pengfei Yin
- College of Science, Sichuan Agricultural University, Ya'an, 625014, P. R. China
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7
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Li F, Wu N, Kimura H, Wang Y, Xu BB, Wang D, Li Y, Algadi H, Guo Z, Du W, Hou C. Initiating Binary Metal Oxides Microcubes Electrsomagnetic Wave Absorber Toward Ultrabroad Absorption Bandwidth Through Interfacial and Defects Modulation. NANO-MICRO LETTERS 2023; 15:220. [PMID: 37812363 PMCID: PMC10562357 DOI: 10.1007/s40820-023-01197-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Accepted: 08/28/2023] [Indexed: 10/10/2023]
Abstract
Cobalt nickel bimetallic oxides (NiCo2O4) have received numerous attentions in terms of their controllable morphology, high temperature, corrosion resistance and strong electromagnetic wave (EMW) absorption capability. However, broadening the absorption bandwidth is still a huge challenge for NiCo2O4-based absorbers. Herein, the unique NiCo2O4@C core-shell microcubes with hollow structures were fabricated via a facile sacrificial template strategy. The concentration of oxygen vacancies and morphologies of the three-dimensional (3D) cubic hollow core-shell NiCo2O4@C framework were effectively optimized by adjusting the calcination temperature. The specially designed 3D framework structure facilitated the multiple reflections of incident electromagnetic waves and provided rich interfaces between multiple components, generating significant interfacial polarization losses. Dipole polarizations induced by oxygen vacancies could further enhance the attenuation ability for the incident EM waves. The optimized NiCo2O4@C hollow microcubes exhibit superior EMW absorption capability with minimum RL (RLmin) of -84.45 dB at 8.4 GHz for the thickness of 3.0 mm. Moreover, ultrabroad effective absorption bandwidth (EAB) as large as 12.48 GHz (5.52-18 GHz) is obtained. This work is believed to illuminate the path to synthesis of high-performance cobalt nickel bimetallic oxides for EMW absorbers with excellent EMW absorption capability, especially in broadening effective absorption bandwidth.
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Affiliation(s)
- Fushan Li
- School of Environmental and Material Engineering, Yantai University, No. 30 Qingquan Road, Yantai, Shandong, 264005, People's Republic of China
| | - Nannan Wu
- School of Material Science and Engineering, Shandong University of Science and Technology, Qingdao, 266590, People's Republic of China
| | - Hideo Kimura
- School of Environmental and Material Engineering, Yantai University, No. 30 Qingquan Road, Yantai, Shandong, 264005, People's Republic of China
| | - Yuan Wang
- Mechanical and Construction Engineering, Faculty of Engineering and Environment, Northumbria University, Newcastle Upon Tyne, NE1 8ST, UK
| | - Ben Bin Xu
- Mechanical and Construction Engineering, Faculty of Engineering and Environment, Northumbria University, Newcastle Upon Tyne, NE1 8ST, UK.
| | - Ding Wang
- Mechanical and Construction Engineering, Faculty of Engineering and Environment, Northumbria University, Newcastle Upon Tyne, NE1 8ST, UK
| | - Yifan Li
- Mechanical and Construction Engineering, Faculty of Engineering and Environment, Northumbria University, Newcastle Upon Tyne, NE1 8ST, UK
| | - Hassan Algadi
- College of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan, 030024, People's Republic of China
- Department of Electrical Engineering, Faculty of Engineering, Najran University, 11001, Najran, Saudi Arabia
| | - Zhanhu Guo
- Mechanical and Construction Engineering, Faculty of Engineering and Environment, Northumbria University, Newcastle Upon Tyne, NE1 8ST, UK.
| | - Wei Du
- School of Environmental and Material Engineering, Yantai University, No. 30 Qingquan Road, Yantai, Shandong, 264005, People's Republic of China.
| | - Chuanxin Hou
- School of Environmental and Material Engineering, Yantai University, No. 30 Qingquan Road, Yantai, Shandong, 264005, People's Republic of China.
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Zheng H, Nan K, Lu Z, Wang N, Wang Y. Core-shell FeCo@carbon nanocages encapsulated in biomass-derived carbon aerogel: Architecture design and interface engineering of lightweight, anti-corrosion and superior microwave absorption. J Colloid Interface Sci 2023; 646:555-566. [PMID: 37210903 DOI: 10.1016/j.jcis.2023.05.076] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 04/12/2023] [Accepted: 05/12/2023] [Indexed: 05/23/2023]
Abstract
The development of multifunctional microwave absorbing materials for practical applications in complex environments is a challenging research hotspot. Herein, the core-shell structure FeCo@C nanocages were successfully anchored on the surface of biomass-derived carbon (BDC) from pleurotus eryngii (PE) via freeze-drying and electrostatic self-assembly process, achieving lightweight, anti-corrosive, and excellent absorption properties. The superior versatility benefits from the large specific surface area, high conductivity, three-dimensional cross-linked networks, and appropriate impedance matching characteristics. The as-prepared aerogel realizes a minimum reflection loss (RLmin) of -69.5 dB with a corresponding effective absorption bandwidth (EAB) of 8.6 GHz at 2.9 mm. Simultaneously, the computer simulation technique (CST) further proves that the multifunctional material can dissipate microwave energy in actual applications. More importantly, the special heterostructure of aerogel endows excellent resistance to acid, alkali, salt medium, allowing potential applications of the microwave absorbing materials under complex environmental conditions.
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Affiliation(s)
- Hao Zheng
- School of Materials and Chemical Engineering, Xi'an Technological University, Xi'an 710021, China
| | - Kai Nan
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an 710054, China.
| | - Zhao Lu
- School of Materials and Chemical Engineering, Xi'an Technological University, Xi'an 710021, China
| | - Nian Wang
- School of Materials and Chemical Engineering, Xi'an Technological University, Xi'an 710021, China
| | - Yan Wang
- School of Materials and Chemical Engineering, Xi'an Technological University, Xi'an 710021, China.
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9
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Gao Z, Iqbal A, Hassan T, Zhang L, Wu H, Koo CM. Texture Regulation of Metal-Organic Frameworks, Microwave Absorption Mechanism-Oriented Structural Optimization and Design Perspectives. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2204151. [PMID: 36253151 PMCID: PMC9762306 DOI: 10.1002/advs.202204151] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 09/15/2022] [Indexed: 05/12/2023]
Abstract
Texture regulation of metal-organic frameworks (MOFs) is essential for controlling their electromagnetic wave (EMW) absorption properties. This review systematically summarizes the recent advancements in texture regulation strategies for MOFs, including etching and exchange of central ions, etching and exchange of ligands, chemically induced self-assembly, and MOF-on-MOF heterostructure design. Additionally, the EMW absorption mechanisms in approaches based on structure-function dependencies, including nano-micro topological engineering, defect engineering, interface engineering, and hybrid engineering, are comprehensively explored. Finally, current challenges and future research orientation are proposed. This review aims to provide new perspectives for designing MOF-derived EMW-absorption materials to achieve essential breakthroughs in mechanistic investigations in this promising field.
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Affiliation(s)
- Zhenguo Gao
- MOE Key Laboratory of Material Physics and Chemistry under ExtraordinaryNorthwestern Polytechnical UniversityXi'an710072China
- School of Advanced Materials Science and EngineeringSungKyunKwan UniversitySeobu‐ro 2066, Jangan‐guSuwon‐siGyeonggi‐do16419Republic of Korea
- Materials Architecturing Research CenterKorea Institute of Science and Technology (KIST)Seoul02792Republic of Korea
| | - Aamir Iqbal
- School of Advanced Materials Science and EngineeringSungKyunKwan UniversitySeobu‐ro 2066, Jangan‐guSuwon‐siGyeonggi‐do16419Republic of Korea
| | - Tufail Hassan
- School of Advanced Materials Science and EngineeringSungKyunKwan UniversitySeobu‐ro 2066, Jangan‐guSuwon‐siGyeonggi‐do16419Republic of Korea
| | - Limin Zhang
- MOE Key Laboratory of Material Physics and Chemistry under ExtraordinaryNorthwestern Polytechnical UniversityXi'an710072China
| | - Hongjing Wu
- MOE Key Laboratory of Material Physics and Chemistry under ExtraordinaryNorthwestern Polytechnical UniversityXi'an710072China
| | - Chong Min Koo
- School of Advanced Materials Science and EngineeringSungKyunKwan UniversitySeobu‐ro 2066, Jangan‐guSuwon‐siGyeonggi‐do16419Republic of Korea
- Materials Architecturing Research CenterKorea Institute of Science and Technology (KIST)Seoul02792Republic of Korea
- School of Chemical EngineeringSungKyunKwan UniversitySeobu‐ro 2066, Jangan‐guSuwon‐siGyeonggi‐do16419Republic of Korea
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10
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Tailoring the structure and function of metal organic framework by chemical etching for diverse applications. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214699] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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11
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Zhou X, Wen J, Ma X, Wu H. Manipulation of microstructure of MXene aerogel via metal ions-initiated gelation for electromagnetic wave absorption. J Colloid Interface Sci 2022; 624:505-514. [PMID: 35679638 DOI: 10.1016/j.jcis.2022.05.166] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 05/25/2022] [Accepted: 05/28/2022] [Indexed: 01/17/2023]
Abstract
MXene aerogels with 3D network structure have gained much attention as lightweight electromagnetic wave (EMW) absorbers. It is still challenging to construct MXene aerogel monoliths with excellent EMW absorption capability in a simple way. Herein, the assembly of MXene aerogels was realized by gelation initiated by various metal ions in an aqueous dispersion, where metal ions link the MXene sheets together by bonding with OH groups on the MXene surface. It is found that metal ions have a great influence on the assembly microstructures of MXene aerogels, which are closely related with the complex permittivity of MXene aerogel absorbers. Versus divalent metal ions, MXene aerogels assembled with trivalent metal ions possess relative lower complex permittivity and deliver superior EMW absorption performance. Typically, a broadest EAB of 7.12 GHz can be achieved by MX-Fe3+, ascribing to its good impedance matching and multiple dissipation modes. Overall, this work provides an effective way to fabricate MXene-based aerogels to satisfy the lightweight requirement of future high-performance EMW absorption materials.
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Affiliation(s)
- Xuejiao Zhou
- School of Advanced Materials and Nanotechnology, Xidian University, Xi'an 710071, China.
| | - Junwu Wen
- School of Advanced Materials and Nanotechnology, Xidian University, Xi'an 710071, China
| | - Xiaohua Ma
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, Xi'an 710071, China.
| | - Hongjing Wu
- MOE Key Laboratory of Material Physics and Chemistry Under Extraordinary, Northwestern Polytechnical Universty, Xi'an 710072, China; School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China.
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12
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Tao J, Tan R, Xu L, Zhou J, Yao Z, Lei Y, Chen P, Li Z, Ou JZ. Ion-Exchange Strategy for Metal-Organic Frameworks-Derived Composites with Tunable Hollow Porous and Microwave Absorption. SMALL METHODS 2022; 6:e2200429. [PMID: 35676230 DOI: 10.1002/smtd.202200429] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 05/14/2022] [Indexed: 06/15/2023]
Abstract
Hollow metal-organic frameworks (MOFs) with careful phase engineering have been considered to be suitable candidates for high-performance microwave absorbents. However, there has been a lack of direct methods tailored to MOFs in this area. Here, a facile and safe Ni2+ -exchange strategy is proposed to synthesize graphite/CoNi alloy hollow porous composites from Ni2+ concentration-dependent etching of Zeolite imidazole frame-67 (ZIF-67) MOF and subsequent thermal field regulation. Such a special combination of hollow structure and carefully selected hybrid phase are with optimized impedance matching and electromagnetic attenuation. Especially, the suitable carrier transport model and the rich polarization site enhance the dielectric loss, while more significant hysteresis loss and more natural resonance increase the magnetic loss. As a result, excellent microwave absorbing (MA) performances of both broadband absorption (7.63 GHz) and high-efficiency loss (-63.79 dB) are obtained. Moreover, the applicability and practicability of the strategy are demonstrated. This work illustrates the unique advantages of ion-exchange strategy in structure design, component optimization, and electromagnetic regulation, providing a new reference for the 5G cause and MA field.
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Affiliation(s)
- Jiaqi Tao
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210000, China
- Key Laboratory of Material Preparation and Protection for Harsh Environment, Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210000, China
| | - Ruiyang Tan
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210000, China
- Key Laboratory of Material Preparation and Protection for Harsh Environment, Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210000, China
| | - Linling Xu
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210000, China
- Key Laboratory of Material Preparation and Protection for Harsh Environment, Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210000, China
| | - Jintang Zhou
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210000, China
- Key Laboratory of Material Preparation and Protection for Harsh Environment, Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210000, China
| | - Zhengjun Yao
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210000, China
- Key Laboratory of Material Preparation and Protection for Harsh Environment, Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210000, China
| | - Yiming Lei
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210000, China
- Key Laboratory of Material Preparation and Protection for Harsh Environment, Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210000, China
| | - Ping Chen
- School of Electronic Science and Engineering, Nanjing University, Nanjing, 210000, China
| | - Zhong Li
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, China
| | - Jian Zhen Ou
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, China
- School of Engineering, RMIT University, Melbourne, 3000, Australia
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13
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Song Y, Liu X, Gao Z, Wang Z, Hu Y, Yang K, Zhao Z, Lan D, Wu G. Core-shell Ag@C spheres derived from Ag-MOFs with tunable ligand exchanging phase inversion for electromagnetic wave absorption. J Colloid Interface Sci 2022; 620:263-272. [DOI: 10.1016/j.jcis.2022.04.012] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 03/30/2022] [Accepted: 04/03/2022] [Indexed: 12/16/2022]
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14
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Yang X, Shu T, Yang X, Qiao M, Wang D, Li X, Rao J, Liu Z, Zhang Y, Yang P, Yao K. MOFs-Derived Three-Phase Microspheres: Morphology Preservation and Electromagnetic Wave Absorption. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27154773. [PMID: 35897949 PMCID: PMC9332212 DOI: 10.3390/molecules27154773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 07/13/2022] [Accepted: 07/20/2022] [Indexed: 11/16/2022]
Abstract
Reasonable structural design and composition control are the dominant factors for tuning the electromagnetic absorbing properties of materials. In this paper, microspheres composed of NiO, Ni, and Co3O4 nanoparticles (NCMO) were successfully synthesized using a mild oxidation method. Benefiting from the multi-component composition and a unique microstructure, the RLmin of CNMO can reach −46.8 dB at 17 GHz, with an effective absorption bandwidth of 4.1 GHz (13.9–18 GHz). The absorbing properties and the absorbing mechanism analysis showed that the microsphere-structured NCMO composed of multi-component nanoparticles enhanced the interface polarization, thereby improving the absorption performance. This research provides a new avenue for MOF-derived oxide materials with excellent electromagnetic wave absorbing properties.
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Affiliation(s)
- Xin Yang
- Multi-Scale Porous Materials Center, Institute of Advanced Interdisciplinary Studies & School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China; (X.Y.); (T.S.); (M.Q.); (Z.L.)
| | - Tie Shu
- Multi-Scale Porous Materials Center, Institute of Advanced Interdisciplinary Studies & School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China; (X.Y.); (T.S.); (M.Q.); (Z.L.)
| | - Xianfeng Yang
- State Key Laboratory of Photon-Technology in Western China Energy, School of Physics, Northwest University, Xi’an 710127, China; (X.Y.); (X.L.)
| | - Min Qiao
- Multi-Scale Porous Materials Center, Institute of Advanced Interdisciplinary Studies & School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China; (X.Y.); (T.S.); (M.Q.); (Z.L.)
| | - Dashuang Wang
- College of Material Science and Engineering, Chongqing University, Chongqing 400044, China; (D.W.); (Y.Z.)
| | - Xinghua Li
- State Key Laboratory of Photon-Technology in Western China Energy, School of Physics, Northwest University, Xi’an 710127, China; (X.Y.); (X.L.)
| | - Jinsong Rao
- College of Material Science and Engineering, Chongqing University, Chongqing 400044, China; (D.W.); (Y.Z.)
- Correspondence: (J.R.); (K.X.Y.)
| | - Zhaohui Liu
- Multi-Scale Porous Materials Center, Institute of Advanced Interdisciplinary Studies & School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China; (X.Y.); (T.S.); (M.Q.); (Z.L.)
| | - Yuxin Zhang
- College of Material Science and Engineering, Chongqing University, Chongqing 400044, China; (D.W.); (Y.Z.)
| | - Pingan Yang
- School of Automation, Chongqing University of Posts and Telecommunications, Chongqing 400065, China;
| | - Kexin Yao
- Multi-Scale Porous Materials Center, Institute of Advanced Interdisciplinary Studies & School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China; (X.Y.); (T.S.); (M.Q.); (Z.L.)
- Correspondence: (J.R.); (K.X.Y.)
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15
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Wang L, Zhu S, Zhu J. Constructing ordered macropores in hollow Co/C polyhedral nanocages shell toward superior microwave absorbing performance. J Colloid Interface Sci 2022; 624:423-432. [PMID: 35667204 DOI: 10.1016/j.jcis.2022.05.158] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 05/23/2022] [Accepted: 05/28/2022] [Indexed: 12/29/2022]
Abstract
Rational design of porous carbon architecture is essential for superior microwave absorbing performance. Herein, we report a new type of hollow porous Co/C polyhedral nanocages with ordered macropores of ∼60 nm (HP-Co/C) as microwave absorber, which were readily manufactured by epitaxial growth of ZIF-67/SiO2 nanolayers on the surfaces of polyhedral ZIF-8 nanoparticle, and followed by simple calcination in Ar atmosphere and subsequent removal of SiO2 with HF. The ordered macropores can effectively tune the electromagnetic parameters of HP-Co/C, affording the obtained HP-Co/C composites strong attenuation capability and excellent impedance matching characteristics for electromagnetic wave (EMW) absorption. As a result, the reflection loss (RL) and effective absorption bandwidth (EAB) of HP-Co/C prepared under pyrolysis temperature of 600 °C can reach up to -66.5 dB and 8.96 GHz, respectively, at filler fraction of only 15 wt%. Together, this study offers a new design philosophy to make lightweight and broadband microwave absorbent and can be extended to other types of microwave absorbers, significantly enriching the categories of the efficient microwave absorbing materials.
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Affiliation(s)
- Lei Wang
- Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, School of Materials Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
| | - Shuheng Zhu
- Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, School of Materials Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - JianFeng Zhu
- Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, School of Materials Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
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16
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Wu C, Liu Z, Yuan Z, Wang Y, Xian G, Zhu Z, Xie N, Zhang H, Liu Y, Kong LB. Anchoring 1D nanochain-like Co 3O 4 on a 2D layered Ti 3C 2T x MXene with outstanding electromagnetic absorption. NEW J CHEM 2022. [DOI: 10.1039/d2nj02473j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
3D superstructure Ti3C2Tx/Co3O4 nanochain composites were synthesized through electrostatic self-assembly, in which 1D Co3O4 nanochains were anchored on a 2D layered Ti3C2Tx surface.
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Affiliation(s)
- Chongmei Wu
- School of Materials Science and Engineering, Anhui University of Science and Technology, Huainan 232001, Anhui, China
| | - Zhenying Liu
- School of Materials Science and Engineering, Anhui University of Science and Technology, Huainan 232001, Anhui, China
- State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines, Anhui University of Science and Technology, Huainan, 232001, Anhui, China
| | - Ziqing Yuan
- School of Materials Science and Engineering, Anhui University of Science and Technology, Huainan 232001, Anhui, China
| | - Yan Wang
- School of Materials Science and Engineering, Anhui University of Science and Technology, Huainan 232001, Anhui, China
| | - Guiyang Xian
- School of Materials Science and Engineering, Anhui University of Science and Technology, Huainan 232001, Anhui, China
| | - Zhaolin Zhu
- School of Materials Science and Engineering, Anhui University of Science and Technology, Huainan 232001, Anhui, China
| | - Nan Xie
- School of Materials Science and Engineering, Anhui University of Science and Technology, Huainan 232001, Anhui, China
| | - Hanxin Zhang
- School of Materials Science and Engineering, Anhui University of Science and Technology, Huainan 232001, Anhui, China
| | - Yin Liu
- School of Materials Science and Engineering, Anhui University of Science and Technology, Huainan 232001, Anhui, China
- Anhui International Joint Research Center for Nano Carbon-Based Materials and Environmental Health, Anhui University of Science and Technology, Huainan, 232001, Anhui, China
- State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines, Anhui University of Science and Technology, Huainan, 232001, Anhui, China
| | - Ling Bing Kong
- College of New Materials and New Energies, Shenzhen Technology University, Shenzhen 518118, Guangdong, China
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17
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Lou Z, Wang Q, Kara UI, Mamtani RS, Zhou X, Bian H, Yang Z, Li Y, Lv H, Adera S, Wang X. Biomass-Derived Carbon Heterostructures Enable Environmentally Adaptive Wideband Electromagnetic Wave Absorbers. NANO-MICRO LETTERS 2021; 14:11. [PMID: 34862949 PMCID: PMC8643388 DOI: 10.1007/s40820-021-00750-z] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 10/08/2021] [Indexed: 05/19/2023]
Abstract
Although advances in wireless technologies such as miniature and wearable electronics have improved the quality of our lives, the ubiquitous use of electronics comes at the expense of increased exposure to electromagnetic (EM) radiation. Up to date, extensive efforts have been made to develop high-performance EM absorbers based on synthetic materials. However, the design of an EM absorber with both exceptional EM dissipation ability and good environmental adaptability remains a substantial challenge. Here, we report the design of a class of carbon heterostructures via hierarchical assembly of graphitized lignocellulose derived from bamboo. Specifically, the assemblies of nanofibers and nanosheets behave as a nanometer-sized antenna, which results in an enhancement of the conductive loss. In addition, we show that the composition of cellulose and lignin in the precursor significantly influences the shape of the assembly and the formation of covalent bonds, which affect the dielectric response-ability and the surface hydrophobicity (the apparent contact angle of water can reach 135°). Finally, we demonstrate that the obtained carbon heterostructure maintains its wideband EM absorption with an effective absorption frequency ranging from 12.5 to 16.7 GHz under conditions that simulate the real-world environment, including exposure to rainwater with slightly acidic/alkaline pH values. Overall, the advances reported in this work provide new design principles for the synthesis of high-performance EM absorbers that can find practical applications in real-world environments.
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Affiliation(s)
- Zhichao Lou
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing, 210037, People's Republic of China
| | - Qiuyi Wang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing, 210037, People's Republic of China
| | - Ufuoma I Kara
- Willian G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, OH, 43210, USA
| | - Rajdeep S Mamtani
- Willian G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, OH, 43210, USA
| | - Xiaodi Zhou
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing, 210037, People's Republic of China
| | - Huiyang Bian
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing, 210037, People's Republic of China
| | - Zhihong Yang
- Institute of Materials Research and Engineering, Agency for Sciences, Technology and Research, Singapore, Singapore
| | - Yanjun Li
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing, 210037, People's Republic of China.
| | - Hualiang Lv
- Willian G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, OH, 43210, USA.
| | - Solomon Adera
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI, 48109, USA.
| | - Xiaoguang Wang
- Willian G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, OH, 43210, USA.
- Sustainability Institute, The Ohio State University, Columbus, OH, 43210, USA.
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18
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Zhou X, Wen J, Wang Z, Ma X, Wu H. Size-controllable porous flower-like NiCo 2O 4 fabricated via sodium tartrate assisted hydrothermal synthesis for lightweight electromagnetic absorber. J Colloid Interface Sci 2021; 602:834-845. [PMID: 34171748 DOI: 10.1016/j.jcis.2021.06.083] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Revised: 06/11/2021] [Accepted: 06/12/2021] [Indexed: 01/29/2023]
Abstract
Although the performance of NiCo2O4-based absorbers with multiple components has made great progress, the property of pure NiCo2O4 is still far from the requirements of high-performance electromagnetic wave absorbers. It is recognized that morphology control is an effective strategy to improve electromagnetic absorbing capacity of absorbers. Herein, this work reported the fabrication of porous flower-like pure NiCo2O4 via simple hydrothermal reaction with the assistant of sodium tartarate in where tartaric acid served as a structure-directing agent. It was demonstrated that size distribution and electromagnetic absorbing capacity of the obtained NiCo2O4 could be modulated easily by controlling addition of sodium tartrate. It was verified that dipole polarization originated from lattice defect and oxygen vacancy as well as interfacial polarization ascribing to adjacent and interconnected flakes are responsible for the excellent electromagnetic absorbing performance. The obtained porous flower-like NiCo2O4 exhibited broad absorption bandwidth at thin thickness as well as proper dissipation ability. This work offers a new strategy to fabricate size-controllable porous flower-like NiCo2O4 electromagnetic absorber. It is believed the obtained NiCo2O4 will be a promising candidate as a lightweight electromagnetic absorbing material.
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Affiliation(s)
- Xuejiao Zhou
- School of Advanced Materials and Nanotechnology, Xidian University, Xi'an 710071, China; State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, Xi'an 710071, China.
| | - Junwu Wen
- School of Advanced Materials and Nanotechnology, Xidian University, Xi'an 710071, China
| | - Zhenni Wang
- School of Advanced Materials and Nanotechnology, Xidian University, Xi'an 710071, China
| | - Xiaohua Ma
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, Xi'an 710071, China.
| | - Hongjing Wu
- MOE Key Laboratory of Material Physics and Chemistry under Extraordinary, Northwestern Polytechnical Universty, Xi'an 710072, China; School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China.
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19
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Wang HY, Sun XB, Yang SH, Zhao PY, Zhang XJ, Wang GS, Huang Y. 3D Ultralight Hollow NiCo Compound@MXene Composites for Tunable and High-Efficient Microwave Absorption. NANO-MICRO LETTERS 2021; 13:206. [PMID: 34633551 PMCID: PMC8505608 DOI: 10.1007/s40820-021-00727-y] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 08/23/2021] [Indexed: 05/17/2023]
Abstract
The 3D hollow hierarchical architectures tend to be designed for inhibiting stack of MXene flakes to obtain satisfactory lightweight, high-efficient and broadband absorbers. Herein, the hollow NiCo compound@MXene networks were prepared by etching the ZIF 67 template and subsequently anchoring the Ti3C2Tx nanosheets through electrostatic self-assembly. The electromagnetic parameters and microwave absorption property can be distinctly or slightly regulated by adjusting the filler loading and decoration of Ti3C2Tx nanoflakes. Based on the synergistic effects of multi-components and special well-constructed structure, NiCo layered double hydroxides@Ti3C2Tx (LDHT-9) absorber remarkably achieves unexpected effective absorption bandwidth (EAB) of 6.72 GHz with a thickness of 2.10 mm, covering the entire Ku-band. After calcination, transition metal oxide@Ti3C2Tx (TMOT-21) absorber near the percolation threshold possesses minimum reflection loss (RLmin) value of - 67.22 dB at 1.70 mm within a filler loading of only 5 wt%. This work enlightens a simple strategy for constructing MXene-based composites to achieve high-efficient microwave absorbents with lightweight and tunable EAB.
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Affiliation(s)
- Hui-Ya Wang
- School of Chemistry, Beihang University, Beijing, 100191, People's Republic of China
| | - Xiao-Bo Sun
- School of Chemistry, Beihang University, Beijing, 100191, People's Republic of China
| | - Shu-Hao Yang
- School of Chemistry, Beihang University, Beijing, 100191, People's Republic of China
| | - Pei-Yan Zhao
- School of Chemistry, Beihang University, Beijing, 100191, People's Republic of China
| | - Xiao-Juan Zhang
- College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing, 100048, People's Republic of China.
| | - Guang-Sheng Wang
- School of Chemistry, Beihang University, Beijing, 100191, People's Republic of China.
| | - Yi Huang
- School of Materials Science and Engineering, Nankai University, Tianjin, 300350, People's Republic of China
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20
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Rego RM, Sriram G, Ajeya KV, Jung HY, Kurkuri MD, Kigga M. Cerium based UiO-66 MOF as a multipollutant adsorbent for universal water purification. JOURNAL OF HAZARDOUS MATERIALS 2021; 416:125941. [PMID: 34492868 DOI: 10.1016/j.jhazmat.2021.125941] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 04/06/2021] [Accepted: 04/19/2021] [Indexed: 06/13/2023]
Abstract
Herein, we demonstrate the use of cerium (Ce)-UiO-66 metal organic framework (MOF) for the removal of a variety of potentially toxic pollutants. The Ce-UiO-66 MOF, with similar framework topologies to Zr-UiO-66, has not been explored for its adsorptive properties in water remediation. The replacement of Zr metal center with Ce yields a MOF that can be synthesized in shorter durations with lesser energy consumptions and with excellent multipollutant adsorption properties. Further, the Ce-UiO-66 MOF was also studied for its adsorption abilities in the binary component system. Interestingly, the adsorbent showed higher adsorption capacities in the presence of other pollutants. Removal studies for other potentially toxic anionic and cationic dyes showed that the Ce-UiO-66 MOF has a wide range of contaminant removal abilities. Investigations of individual adsorption capacities revealed that the Ce-UiO-66 MOF has a maximum adsorption capacity of 793.7 mg/g for congo red (CR), 110 mg/g for methylene blue (MB), 66.1 mg/g for fluoride (F-), 30 mg/g for Cr6+ and 485.4 mg/g for the pharmaceutical waste diclofenac sodium (DCF). To imply the practical applications of the Ce-UiO-66 MOF we have also demonstrated an adaptable filter that could separate all the potentially toxic pollutants.
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Affiliation(s)
- Richelle M Rego
- Centre for Nano and Material Sciences, JAIN (Deemed-to-be-University), Jain Global Campus, Bengaluru 562112, Karnataka, India
| | - Ganesan Sriram
- Centre for Nano and Material Sciences, JAIN (Deemed-to-be-University), Jain Global Campus, Bengaluru 562112, Karnataka, India
| | - Kanalli V Ajeya
- Department of Environment and Energy Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea
| | - Ho-Young Jung
- Department of Environment and Energy Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea
| | - Mahaveer D Kurkuri
- Centre for Nano and Material Sciences, JAIN (Deemed-to-be-University), Jain Global Campus, Bengaluru 562112, Karnataka, India.
| | - Madhuprasad Kigga
- Centre for Nano and Material Sciences, JAIN (Deemed-to-be-University), Jain Global Campus, Bengaluru 562112, Karnataka, India.
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