1
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Velayudhan P, M S K, Kalarikkal N, Thomas S. Exploring the Potential of Sustainable Biopolymers as a Shield against Electromagnetic Radiations. ACS APPLIED BIO MATERIALS 2024; 7:3568-3586. [PMID: 38768373 DOI: 10.1021/acsabm.4c00421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
The increasing demand for biodegradable and environmentally friendly materials is shifting the focus from traditional polymer composites to biocomposites in various applications, especially in electromagnetic shielding. Effective utilization of biopolymers demands improved properties and can be achieved to a certain extent by functionalization. Biopolymers such as cellulose, polylactic acid, and starch are some of the potential candidates for mitigating electromagnetic pollution in next-generation electronic devices because of their high aspect ratio, flexibility, light weight, high mechanical strength, thermal stability, and tunable microwave absorption to the electromagnetic interference (EMI) shielding composites. This Review provides an overview of the current advancements in EMI shielding materials and outlines recent research on EMI shielding composites that utilize various biodegradable polymer structures.
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Affiliation(s)
- Pravitha Velayudhan
- Department of Physics, St. Teresa's College, Ernakulam, Kerala 682011, India
| | - Kala M S
- Department of Physics, St. Teresa's College, Ernakulam, Kerala 682011, India
| | - Nandakumar Kalarikkal
- School of Pure and Applied Physics, Mahatma Gandhi University, Kottayam, Kerala 686560, India
| | - Sabu Thomas
- School of Chemical Sciences, Mahatma Gandhi University, Kottayam, Kerala 686560, India
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2
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Shao R, Wang G, Chai J, Wang G, Zhao G. Flexible, Reliable, and Lightweight Multiwalled Carbon Nanotube/Polytetrafluoroethylene Membranes with Dual-Nanofibrous Structure for Outstanding EMI Shielding and Multifunctional Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2308992. [PMID: 38174631 DOI: 10.1002/smll.202308992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 12/25/2023] [Indexed: 01/05/2024]
Abstract
In this study, lightweight, flexible, and environmentally robust dual-nanofibrous membranes made of carbon nanotube (CNT) and polytetrafluoroethylene (PTFE) are fabricated using a novel shear-induced in situ fibrillation method for electromagnetic interference (EMI) shielding. The unique spiderweb-like network, constructed from fine CNTs and PTFE fibrils, integrates the inherent characteristics of these two materials to achieve high conductivity, superhydrophobicity, and extraordinary chemical resistance. The dual-nanofibrous membranes demonstrate a high EMI shielding effectiveness (SE) of 25.7-42.2 dB at a thickness range of 100-520 µm and the normalized surface-specific SE can reach up to 9931.1 dB·cm2·g-1, while maintaining reliability even under extremely harsh conditions. In addition, distinct electrothermal and photothermal conversion properties can be achieved easily. Under the stimulation of a modest electrical voltage (5 V) and light power density (400 mW·cm-2), the surface temperatures of the CNT/PTFE membranes can reach up to 135.1 and 147.8 °C, respectively. Moreover, the CNT/PTFE membranes exhibit swift, stable, and highly efficient thermal conversion capabilities, endowing them with self-heating and de-icing performance. These versatile, flexible, and breathable membranes, coupled with their efficient and facile fabrication process, showcase tremendous application potential in aerospace, the Internet of Things, and the fabrication of wearable electronic equipment for extreme environments.
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Affiliation(s)
- Runze Shao
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan, Shandong, 250061, China
| | - Guilong Wang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan, Shandong, 250061, China
| | - Jialong Chai
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan, Shandong, 250061, China
| | - Guizhen Wang
- Key Laboratory of Chinese Education Ministry for Tropical Biological Resources, Hainan University, Haikou, Hainan, 570228, China
| | - Guoqun Zhao
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan, Shandong, 250061, China
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3
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Lyu B, Guo Z, Gao D, Zhou Y, Guo S, Zhu J, Ma J. Ultralight Flexible Collagen Fiber Based Aerogels Derived from Leather Solid Waste for High Electromagnetic Interference Shielding. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:9215-9223. [PMID: 38635343 DOI: 10.1021/acs.langmuir.4c00611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/20/2024]
Abstract
Designing and developing high-performance shielding materials against electromagnetic interference is of utmost importance due to the rapid advancement of wireless telecommunication technologies. Such materials hold both fundamental and technological significance. A three-stage process is presented for creating ultralight, flexible aerogels from biomass to shield against electromagnetic interference. Collagen fibers sourced from leather solid waste are used for: (i) freeze-drying preparation of collagen fibers/poly(vinyl alcohol) (PVA) aerogels, (ii) adsorption of silver nanowires (AgNWs) onto collagen fiber/PVA aerogels, and (iii) Hydrophobic modification of collagen fiber/PVA/AgNWs aerogels with 1H, 1H, 2H, 2H-perfluorodecyltriethoxysilane (POTS). Scanning electron microscopy studies reveal that an interweaving of AgNWs and collagen fiber/PVA porous network has formed a conductive network, exhibiting an electrical conductivity of 103 S·m-1. The electromagnetic interference shielding effectiveness reached more than 62 dB, while the density was merely 5.8 mg/cm3. The collagen fiber/PVA/AgNWs/POTS aerogel displayed an even better electromagnetic shielding efficiency of 73 dB and water contact angle of 147°. The study results emphasize the distinctive capacity of leather solid waste to generate cost-effective, ecofriendly, and highly efficient electromagnetic interference shielding materials.
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Affiliation(s)
- Bin Lyu
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
- National Demonstration Center for Experimental Light Chemistry and Engineering Education, Shaanxi University of Science &Technology, Xi'an 710021, China
- Xi'an Key Laboratory of Green Chemicals and Functional Materials, Xi'an 710021, China
| | - Zhuo Guo
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
- National Demonstration Center for Experimental Light Chemistry and Engineering Education, Shaanxi University of Science &Technology, Xi'an 710021, China
- Xi'an Key Laboratory of Green Chemicals and Functional Materials, Xi'an 710021, China
| | - Dangge Gao
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
- National Demonstration Center for Experimental Light Chemistry and Engineering Education, Shaanxi University of Science &Technology, Xi'an 710021, China
- Xi'an Key Laboratory of Green Chemicals and Functional Materials, Xi'an 710021, China
| | - Yingying Zhou
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
- National Demonstration Center for Experimental Light Chemistry and Engineering Education, Shaanxi University of Science &Technology, Xi'an 710021, China
- Xi'an Key Laboratory of Green Chemicals and Functional Materials, Xi'an 710021, China
| | - Shihao Guo
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
- Xi'an Key Laboratory of Green Chemicals and Functional Materials, Xi'an 710021, China
| | - Jiamin Zhu
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
- National Demonstration Center for Experimental Light Chemistry and Engineering Education, Shaanxi University of Science &Technology, Xi'an 710021, China
- Xi'an Key Laboratory of Green Chemicals and Functional Materials, Xi'an 710021, China
| | - Jianzhong Ma
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
- National Demonstration Center for Experimental Light Chemistry and Engineering Education, Shaanxi University of Science &Technology, Xi'an 710021, China
- Xi'an Key Laboratory of Green Chemicals and Functional Materials, Xi'an 710021, China
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Amini M, Hosseini H, Dutta S, Wuttke S, Kamkar M, Arjmand M. Surfactant-Mediated Highly Conductive Cellulosic Inks for High-Resolution 3D Printing of Robust and Structured Electromagnetic Interference Shielding Aerogels. ACS APPLIED MATERIALS & INTERFACES 2023; 15:54753-54765. [PMID: 37787508 DOI: 10.1021/acsami.3c10596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
Technological fusion of emerging three-dimensional (3D) printing of aerogels with gel processing enables the fabrication of lightweight and functional materials for diverse applications. However, 3D-printed constructs via direct ink writing for fabricating electrically conductive structured biobased aerogels suffer several limitations, including poor electrical conductivity, inferior mechanical strength, and low printing resolution. This work addresses these limitations via molecular engineering of conductive hydrogels. The hydrogel inks, namely, CNC/PEDOT-DBSA, featured a unique formulation containing well-dispersed cellulose nanocrystal decorated by a poly(3,4-ethylene dioxythiophene) (PEDOT) domain combined with dodecylbenzene sulfonic acid (DBSA). The rheological properties were precisely engineered by manipulating the solid content and the intermolecular interactions among the constituents, resulting in 3D-printed structures with excellent resolution. More importantly, the resultant aerogels following freeze-drying exhibited a high electrical conductivity (110 ± 12 S m-1), outstanding mechanical properties (Young's modulus of 6.98 MPa), and fire-resistance properties. These robust aerogels were employed to address pressing global concerns about electromagnetic pollution with a specific shielding effectiveness of 4983.4 dB cm2 g-1. Importantly, it was shown that the shielding mechanism of the 3D printed aerogels could be manipulated by their geometrical features, unraveling the undeniable role of additive manufacturing in materials design.
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Affiliation(s)
- Majed Amini
- Nanomaterials and Polymer Nanocomposites Laboratory, School of Engineering, University of British Columbia, Kelowna, British Columbia V1 V 1 V7, Canada
| | - Hadi Hosseini
- Nanomaterials and Polymer Nanocomposites Laboratory, School of Engineering, University of British Columbia, Kelowna, British Columbia V1 V 1 V7, Canada
| | - Subhajit Dutta
- BCMaterials, Basque Center for Materials, Applications, and Nanostructures, UPV/EHU Science Park, 48950 Leioa, Spain
| | - Stefan Wuttke
- BCMaterials, Basque Center for Materials, Applications, and Nanostructures, UPV/EHU Science Park, 48950 Leioa, Spain
- IKERBASQUE, Basque Foundation for Science, 48009 Bilbao, Spain
| | - Milad Kamkar
- Multiscale Materials Design Center, Department of Chemical Engineering and Waterloo Institute for Nanotechnology, University of Waterloo, Toronto, Ontario N2L 3G1. Canada
| | - Mohammad Arjmand
- Nanomaterials and Polymer Nanocomposites Laboratory, School of Engineering, University of British Columbia, Kelowna, British Columbia V1 V 1 V7, Canada
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He D, Qian L, Chen X, He B, Li J. Durable cellulose paper by grafting thiol groups and controlling silver deposition for ultrahigh electromagnetic interference shielding. Int J Biol Macromol 2023; 248:125972. [PMID: 37499713 DOI: 10.1016/j.ijbiomac.2023.125972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 07/20/2023] [Accepted: 07/22/2023] [Indexed: 07/29/2023]
Abstract
Electromagnetic interference (EMI) shielding paper with durability and high effectiveness is of significant importance to long-term service for preventing EMI pollution. Herein, we report a practical method for preparing cellulose paper/Ag composite with outstanding durable and ultrahigh EMI shielding performance by electroless silver plating. The silver deposition process, the surface morphology, the silver content and conductivity of the composite can be controlled by varying the amount of N-acetyl-L-cysteine (NAC) grafted onto the cellulose fibers and ammonia amount for silver-ammonia complex formation. Moreover, the grafted NAC with thiol groups on cellulose can enhance the adhesion between silver and cellulose paper, meanwhile, NAC as the reducing agent can result in a more complete flower-shaped silver structure and reducing the reflection of electromagnetic waves in silver layer. The composite exhibited excellent conductivity, EMI shielding effectiveness (SE) up to 106 dB and outstanding durability. After 10,000 bending times and 60 abrasion cycles respectively, the electrical resistance of the composite only increased from 0.030 Ω/sq. to 0.041 Ω/sq. and 0.050 Ω/sq., and the EMI SE decreased to 102 dB and 105 dB.
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Affiliation(s)
- Duoduo He
- School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Liying Qian
- School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, China.
| | - Xingyu Chen
- School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Beihai He
- School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Junrong Li
- School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, China.
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6
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Won JS, Prasad C, Jeong SG, Rosaiah P, Reddy AS, Ahmad Z, Sangaraju S, Choi HY. Recent advances in the development of MXenes/cellulose based composites: A review. Int J Biol Macromol 2023; 240:124477. [PMID: 37076072 DOI: 10.1016/j.ijbiomac.2023.124477] [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: 12/13/2022] [Revised: 04/09/2023] [Accepted: 04/12/2023] [Indexed: 04/21/2023]
Abstract
Over the past few years, transition metal carbides, nitrides, and carbonitrides, commonly referred to as MXenes have been discovered and utilized quickly in a range of technical fields due to their distinctive and controlled characteristics. MXenes are a new class of two-dimensional (2D) materials that have found extensive use in a variety of fields, including energy storage, catalysis, sensing, biology, and other scientific disciplines. This is because of their exceptional mechanical and structural characteristics, metal electrical conductivity, and other outstanding physical and chemical properties. In this contribution, we review recent cellulose research advances and show that MXene hybrids are effective composites that benefit from cellulose superior water dispersibility and the electrostatic attraction between cellulose and MXene to prevent MXene accumulation and improve the composite's mechanical properties. Electrical, materials, chemical, mechanical, environmental, and biomedical engineering are all fields in which cellulose/MXene composites are used. These properties and applications-based reviews on MXene/cellulose composite, critically analyze the results and accomplishments in these fields and provide context for potential future research initiatives. It examines newly reported applications for cellulose nanocomposites assisted by MXene. To support their development and future applications, perspectives and difficulties are suggested in the conclusion.
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Affiliation(s)
- Jong Sung Won
- Defense Materials & Energy Technology Center, Agency for Defense Development, Daejeon 34060, Republic of Korea
| | - Cheera Prasad
- Department of Fashion Design, Dong-A University, Busan 49315, Republic of Korea
| | - Seong-Geun Jeong
- Bio-MAX Institute, Seoul National University, Seoul, Republic of Korea
| | - P Rosaiah
- Department of Physics, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai 602 105, India
| | - A Subba Reddy
- Analytical Development Laboratory, Apicore LLC, NJ 08873, USA
| | - Zubair Ahmad
- Applied College, Mahala Campus, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia; Unit of Bee Research and Honey Production, Faculty of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
| | - Sambasivam Sangaraju
- National Water and Energy Center, United Arab Emirates University, Al Ain 15551, United Arab Emirates
| | - Hyeong Yeol Choi
- Department of Fashion Design, Dong-A University, Busan 49315, Republic of Korea.
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7
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Zhang H, Lin S. Research Progress with Membrane Shielding Materials for Electromagnetic/Radiation Contamination. MEMBRANES 2023; 13:315. [PMID: 36984702 PMCID: PMC10054763 DOI: 10.3390/membranes13030315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 02/18/2023] [Accepted: 03/01/2023] [Indexed: 06/18/2023]
Abstract
As technology develops at a rapid pace, electromagnetic and radiation pollution have become significant issues. These forms of pollution can cause many important environmental issues. If they are not properly managed and addressed, they will be everywhere in the global biosphere, and they will have devastating impacts on human health. In addition to minimizing sources of electromagnetic radiation, the development of lightweight composite shielding materials to address interference from radiation has become an important area of research. A suitable shielding material can effectively reduce the harm caused by electromagnetic interference/radiation. However, membrane shielding materials with general functions cannot effectively exert their shielding performance in all fields, and membrane shielding materials used in different fields must have specific functions under their use conditions. The aim of this review was to provide a comprehensive review of these issues. Firstly, the causes of electromagnetic/radiation pollution were briefly introduced and comprehensively identified and analyzed. Secondly, the strategic solutions offered by membrane shielding materials to address electromagnetic/radiation problems were discussed. Then, the design concept, technical innovation, and related mechanisms of the existing membrane shielding materials were expounded, the treatment methods adopted by scholars to study the environment and performance change laws were introduced, and the main difficulties encountered in this area of research were summarized. Finally, on the basis of a comprehensive analysis of the protection provided by membrane shielding materials against electromagnetic/radiation pollution, the action mechanism of membrane shielding materials was expounded in detail, and the research progress, structural design and performance characterization techniques for these materials were summarized. In addition, the future challenges were prospected. This review will help universities, research institutes, as well as scientific and technological enterprises engaged in related fields to fully understand the design concept and research progress of electromagnetic/radiation-contaminated membrane shielding materials. In addition, it is hoped that this review will facilitate efforts to accelerate the research and development of membrane shielding materials and offer potential applications in areas such as electronics, nuclear medicine, agriculture, and other areas of industry.
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Affiliation(s)
- Hengtong Zhang
- Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
| | - Shudong Lin
- Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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Wen X, Yang C, Li Z, Xia M, Wu Y, Yan K, Wang D. A sandwich-structured ultra-flexible Pva-co-PE/Cu nanofiber composite film with excellent electrical conductivity, electromagnetic shielding properties, and environmental stability. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2022.130329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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9
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Li Y, Shi Q, Peng L, Chang M, Zhou F, Gong C, Wu Y, Zhang L. Carbon nanotubes/cellulose composite aerogels with controllable microstructure for electromagnetic interference shielding. J Appl Polym Sci 2022. [DOI: 10.1002/app.53535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Ying Li
- College of Material Science and Engineering Xi'an University of Science and Technology Xi'an China
| | - Qin Shi
- College of Material Science and Engineering Xi'an University of Science and Technology Xi'an China
| | - Longgui Peng
- College of Material Science and Engineering Xi'an University of Science and Technology Xi'an China
| | - Mengjie Chang
- College of Material Science and Engineering Xi'an University of Science and Technology Xi'an China
| | - Fang Zhou
- College of Material Science and Engineering Xi'an University of Science and Technology Xi'an China
| | - Changdan Gong
- College of Material Science and Engineering Xi'an University of Science and Technology Xi'an China
| | - Yi Wu
- College of Material Science and Engineering Xi'an University of Science and Technology Xi'an China
| | - Liangqing Zhang
- College of Material Science and Engineering Xi'an University of Science and Technology Xi'an China
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Zhang L, Yang S, Peng L, Zhong K, Chen Y. Optimized Properties in Multifunctional Polyphenylene Sulfide Composites via Graphene Nanosheets/Boron Nitride Nanosheets Dual Segregated Structure under High Pressure. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3543. [PMID: 36234669 PMCID: PMC9565237 DOI: 10.3390/nano12193543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 09/22/2022] [Accepted: 10/07/2022] [Indexed: 06/16/2023]
Abstract
The practical application of polymer composites in the electronic and communications industries often requires multi-properties, such as high thermal conductivity (TC), efficient electromagnetic interference (EMI) shielding ability with low electrical conductivity, superior tribological performance, reliable thermal stability and excellent mechanical properties. However, the integration of these mutually exclusive properties is still a challenge, ascribed to their different requirement on the incorporated nanofillers, composite microstructure as well as processing process. Herein, a well-designed boron nitride nanosheet (BN)/graphene nanosheet (GNP)/polyphenylene sulfide (PPS) composite with a dual-segregated structure is fabricated via high-pressure molding. Rather than homogenous mixing of the hybrid fillers, GNP is first coated on PPS particles and followed by encapsulating the conductive GNP layers with insulating BN, forming a BN shell-GNP layer-PPS core composite particles. After hot-pressing, a dual segregated structure is constructed, in which GNP and BN are distinctly separated and arranged in the interfaces of PPS, which on the one hand gives rise to high thermal conductivity, and on the other hand, the aggregated BN layer can act as an "isolation belt" to effectively reduce the electronic transmission. Impressively, high-pressure is loaded and it has a more profound effect on the EMI shielding and thermal conductive properties of PPS composites with a segregated structure than that with homogenous mixed-structure composites. Intriguingly, the synergetic enhancement effect of BN and GNP on both thermal conductive performance and EMI shielding is stimulated by high pressure. Consequently, PPS composites with 30 wt% GNP and 10 wt% BN hot-pressed under 600 MPa present the most superior comprehensive properties with a high TC of 6.4 W/m/K, outstanding EMI SE as high as 70 dB, marvelous tribological performance, reliable thermal stability and satisfactory mechanical properties, which make it promising for application in miniaturized electronic devices in complex environments.
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Affiliation(s)
- Liangqing Zhang
- College of Material Science and Engineering, Xi’an University of Science and Technology, Xi’an 710054, China
| | - Shugui Yang
- Shaanxi International Research Center for Soft Matter, State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, China
| | - Longgui Peng
- College of Material Science and Engineering, Xi’an University of Science and Technology, Xi’an 710054, China
| | - Kepeng Zhong
- School of Chemistry and Chemical Engineering, Shaanxi Key Laboratory of Macromolecular Science and Technology, Key Laboratory of Special Functional and Smart Polymer Materials, Ministry of Industry and Information Technology, Northwestern Polytechnical University, Xi’an 710072, China
| | - Yanhui Chen
- School of Chemistry and Chemical Engineering, Shaanxi Key Laboratory of Macromolecular Science and Technology, Key Laboratory of Special Functional and Smart Polymer Materials, Ministry of Industry and Information Technology, Northwestern Polytechnical University, Xi’an 710072, China
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Zhang X, Guo Y, Feng Y, Hou M, Wang J. Facile synthesis of ultra-lightweight Ni/NiO/Ni P foams with hollow sandwich micro-tubes for absorption-dominated electromagnetic interference shielding. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129764] [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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12
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Xu Z, Ding X, Li S, Huang F, Wang B, Wang S, Zhang X, Liu F, Zhang H. Oxidation-Resistant MXene-Based Melamine Foam with Ultralow-Percolation Thresholds for Electromagnetic-Infrared Compatible Shielding. ACS APPLIED MATERIALS & INTERFACES 2022; 14:40396-40407. [PMID: 35998377 DOI: 10.1021/acsami.2c05544] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
To effectively avoid the drawbacks of conventional metal-based electromagnetic interference (EMI) shielding materials such as high density and susceptibility to corrosion, a multifunctional melamine foam (MF) consisting of MXene/polydimethylsiloxane (PDMS) layers with ultralow percolation thresholds was designed through the electrostatic self-assembly and impregnation strategies. The prepared lightweight foams simultaneously show multifunctional properties including EMI shielding, infrared (IR) stealth, oxidation-resistance, and compression stability. Typically, this multifunctional foam exhibits an excellent EMI shielding efficiency (EMI SE) of 45.2 dB at X-band (8.2-12.4 GHz) with only 1.131 vol % MXene filler. Moreover, the temperature difference between the upper and lower surfaces of the foam can be maintained at 45 °C due to its unique three-dimensional (3D) porous structure and low infrared emissivity. The MF skeleton with MXene/PDMS (MFMXP) displays high hydrophobicity, which remains stable in EMI SE after 60 days of exposure to air. Additionally, it shows outstanding mechanical stability after 100 cycles of compression experiments. The lightweight stealth nanocomposite foams can operate stably in complex environments and show high potential for applications in high-tech fields such as wearable electronics, the military, and semiconductors, etc.
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Affiliation(s)
- Zijie Xu
- School of Materials Science and Engineering, Anhui University, Hefei, 230601, P. R. China
| | - Xin Ding
- Institute of Solid State Physics, Chinese Academy of Sciences, Hefei, 230031, P. R. China
| | - Shikuo Li
- School of Materials Science and Engineering, Anhui University, Hefei, 230601, P. R. China
- Key Laboratory of Structure and Functional Regulation of Hybrid Materials (Anhui University), Ministry of Education, Hefei, 230601, P. R. China
| | - Fangzhi Huang
- School of Chemistry and Chemical Engineering, Anhui University, Hefei, 230601, P. R. China
| | - Baojun Wang
- School of Materials Science and Engineering, Anhui University, Hefei, 230601, P. R. China
| | - Shipeng Wang
- School of Materials Science and Engineering, Anhui University, Hefei, 230601, P. R. China
| | - Xian Zhang
- Institute of Solid State Physics, Chinese Academy of Sciences, Hefei, 230031, P. R. China
| | - Fenghua Liu
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
| | - Hui Zhang
- School of Materials Science and Engineering, Anhui University, Hefei, 230601, P. R. China
- Key Laboratory of Structure and Functional Regulation of Hybrid Materials (Anhui University), Ministry of Education, Hefei, 230601, P. R. China
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13
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Zhu M, Yan X, Lei Y, Guo J, Xu Y, Xu H, Dai L, Kong L. An Ultrastrong and Antibacterial Silver Nanowire/Aligned Cellulose Scaffold Composite Film for Electromagnetic Interference Shielding. ACS APPLIED MATERIALS & INTERFACES 2022; 14:14520-14531. [PMID: 35306804 DOI: 10.1021/acsami.1c23515] [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] [Indexed: 06/14/2023]
Abstract
Constructing multifunctional electromagnetic interference (EMI) shielding films with superior mechanical strength has sparked a lot of interest in the fields of wearable electronics. In this work, the conductive silver nanowires (AgNWs) were synthesized and impregnated into the highly aligned cellulose scaffold (CS) fabricated by wood delignification followed by hot-pressing and polydimethylsiloxane (PDMS) dipping processes to obtain the outstanding EMI shielding cellulosic film (d-AgNWs@CS-PDMS). The consecutively conductive pathway of AgNWs was constructed in the microchannels of the CS as a result of the hydrogen bonding between AgNWs and cellulose fibers, which is conducive to the reflection of incident EM waves. The higher degree of nanofiber alignment and the compact conductive network were improved by densification upon hot pressing, which endows the composite film with striking mechanical properties (maximum tensile strength of 511.8 MPa) and superb EMI shielding performance (shielding effectiveness value of 46 dB with a filler content of 21.6 wt %) at the X band (8.2-12.4 GHz). Moreover, the existence of an intensive AgNWs network and the introduction of the PDMS layer improve the hydrophobicity and antibacterial activity of the composite film, avoiding serious health concerns in the long-term wearing. These results demonstrate that the obtained d-AgNWs@CS-PDMS composite film has high potential as an EMI shielding material used for wearable devices.
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Affiliation(s)
- Meng Zhu
- Shaanxi Provincal Key Laboratory of Papermaking Technology and Specialty Paper Development, Key Laboratory of Paper-Based Functional Materials, China National Light Industry, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, Xi'an 710021, China
| | - Xuanxuan Yan
- Shaanxi Provincal Key Laboratory of Papermaking Technology and Specialty Paper Development, Key Laboratory of Paper-Based Functional Materials, China National Light Industry, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, Xi'an 710021, China
| | - Yuting Lei
- Shaanxi Provincal Key Laboratory of Papermaking Technology and Specialty Paper Development, Key Laboratory of Paper-Based Functional Materials, China National Light Industry, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, Xi'an 710021, China
| | - Junhao Guo
- Shaanxi Provincal Key Laboratory of Papermaking Technology and Specialty Paper Development, Key Laboratory of Paper-Based Functional Materials, China National Light Industry, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, Xi'an 710021, China
| | - Yongjian Xu
- Shaanxi Provincal Key Laboratory of Papermaking Technology and Specialty Paper Development, Key Laboratory of Paper-Based Functional Materials, China National Light Industry, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, Xi'an 710021, China
| | - Hailong Xu
- Laboratory for Advanced Interfacial Materials and Devices, Research Center for Smart Wearable Technology, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong SAR 999077, China
| | - Lei Dai
- Shaanxi Provincal Key Laboratory of Papermaking Technology and Specialty Paper Development, Key Laboratory of Paper-Based Functional Materials, China National Light Industry, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, Xi'an 710021, China
| | - Luo Kong
- School of Materials Science and Engineering, Shaanxi University of Science & Technology, Xi'an, Shaanxi 710021, China
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14
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Yang G, Kong H, Chen Y, Liu B, Zhu D, Guo L, Wei G. Recent advances in the hybridization of cellulose and carbon nanomaterials: Interactions, structural design, functional tailoring, and applications. Carbohydr Polym 2022; 279:118947. [PMID: 34980360 DOI: 10.1016/j.carbpol.2021.118947] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 11/15/2021] [Accepted: 11/26/2021] [Indexed: 01/13/2023]
Abstract
Due to the good biocompatibility and flexibility of cellulose and the excellent optical, electronic, as well as mechanical properties of carbon nanomaterials (CNMs), cellulose/CNM hybrid materials have been widely synthesized and used in energy storage, sensors, adsorption, biomedicine, and many other fields. In this review, we present recent advances (2016-current) in the design, structural design, functional tailoring and various applications of cellulose/CNM hybrid materials. For this aim, first the interactions between cellulose and CNMs for promoting the formation of cellulose/CNM materials are analyzed, and then the hybridization between cellulose with various CNMs for tailoring the structures and functions of hybrid materials is introduced. Further, abundant applications of cellulose/CNM hybrid materials in various fields are presented and discussed. This comprehensive review will be helpful for readers to understand the functional design and facile synthesis of cellulose-based nanocomposites, and to promote the high-performance utilization and sustainability of biomass materials in the future.
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Affiliation(s)
- Guozheng Yang
- College of Chemistry and Chemical Engineering, Qingdao University, 266071 Qingdao, PR China
| | - Hao Kong
- College of Chemistry and Chemical Engineering, Qingdao University, 266071 Qingdao, PR China
| | - Yun Chen
- College of Chemistry and Chemical Engineering, Qingdao University, 266071 Qingdao, PR China
| | - Bin Liu
- College of Chemistry and Chemical Engineering, Qingdao University, 266071 Qingdao, PR China
| | - Danzhu Zhu
- College of Chemistry and Chemical Engineering, Qingdao University, 266071 Qingdao, PR China
| | - Lei Guo
- Institute of Biomedical Engineering, College of Life Science, Qingdao University, 266071 Qingdao, PR China.
| | - Gang Wei
- College of Chemistry and Chemical Engineering, Qingdao University, 266071 Qingdao, PR China.
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15
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Lei C, Xie Z, Wu K, Fu Q. Controlled Vertically Aligned Structures in Polymer Composites: Natural Inspiration, Structural Processing, and Functional Application. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2103495. [PMID: 34590751 DOI: 10.1002/adma.202103495] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 07/08/2021] [Indexed: 05/23/2023]
Abstract
Vertically aligned structures, which are a series of characteristic conformations with thickness-direction alignment, interconnection, or assembly of filler in polymeric composite materials that can provide remarkable structural performance and advanced anisotropic functions, have attracted considerable attention in recent years. The past two decades have witnessed extensive development with regard to universal fabrication methods, subtle control of morphological features, improvement of functional properties, and superior applications of vertically aligned structures in various fields. However, a systematic review remains to be attempted. The various configurations of vertical structures inspired from biological samples in nature, such as vertically aligned structures with honeycomb, reed, annual ring, radial, and lamellar configurations are summarized here. Additionally, relevant processing methods, which include the transformation of oriented direction, external-field inducement, template method, and 3D printing method, are discussed in detail. The diverse applications in mechanical, thermal, electric, dielectric, electromagnetic, water treatment, and energy fields are also highlighted by providing representative examples. Finally, future opportunities and prospects are listed to identify current issues and potential research directions. It is expected that perspectives on the vertically aligned structures presented here will contribute to the research on advanced multifunctional composites.
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Affiliation(s)
- Chuxin Lei
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, P. R. China
| | - Zilong Xie
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, P. R. China
| | - Kai Wu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, P. R. China
| | - Qiang Fu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, P. R. China
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16
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Chen Y, Liu Y, Li Y, Qi H. Highly Sensitive, Flexible, Stable, and Hydrophobic Biofoam Based on Wheat Flour for Multifunctional Sensor and Adjustable EMI Shielding Applications. ACS APPLIED MATERIALS & INTERFACES 2021; 13:30020-30029. [PMID: 34129335 DOI: 10.1021/acsami.1c05803] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Biofoam materials are attractive alternatives for petroleum-based foams to be used to solve environmental problems. Inspired by steamed bread, we report herein a novel utilization of wheat flour (WF) with the introduction of carbon nanotubes (CNTs) to form an environmentally friendly WF/CNT composite foam. This foam displayed a high elasticity (nearly 100% shape recovery), recyclable (5000 cycles), fast (100 ms), and superstability pressure-sensing response. It could serve as a new pressure sensor to detect the tiny pressure (1.76 Pa) and acoustic vibrations from piano notes. As an acoustic sensor, WF/CNT foam detected and recognized different volumes and frequencies of piano sounds. As an electromagnetic interference (EMI) shielding switch, the EMI shielding effectiveness (SE) of the foam could be easily regulated under self-fixable compression-recovery cycles. In addition, the WF/CNT foam could be converted into the WF/CNT film by a hot-compress process. This flexible film was applied as a multifunctional sensing device for detecting various motions. Therefore, wheat flour as a renewable resource could be designed into various WF-based biofoams with new functionalities and outstanding mechanical properties through a simple process.
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Affiliation(s)
- Yian Chen
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510641, China
| | - Yu Liu
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510641, China
| | - Yuehu Li
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510641, China
| | - Haisong Qi
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510641, China
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17
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Wang Y, Qi Q, Yin G, Wang W, Yu D. Flexible, Ultralight, and Mechanically Robust Waterborne Polyurethane/Ti 3C 2T x MXene/Nickel Ferrite Hybrid Aerogels for High-Performance Electromagnetic Interference Shielding. ACS APPLIED MATERIALS & INTERFACES 2021; 13:21831-21843. [PMID: 33909972 DOI: 10.1021/acsami.1c04962] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Flexible, ultralight, and mechanically robust electromagnetic interference (EMI) shielding materials are urgently demanded to manage the increasing electromagnetic radiation pollution, but it remains a great challenge to simultaneously achieve ultralight yet mechanically robust properties while retaining high-efficiency EMI shielding performance. Herein, we fabricate a novel waterborne polyurethane/Ti3C2Tx MXene/nickel ferrite (WPU/MXene/NiFe2O4) hybrid aerogel by constructing a strong chemical bonding interaction between an NCO-terminated WPU prepolymer and hydroxyl functionalized MXene nanosheets. The resultant aerogels exhibit remarkable lightweight and mechanical properties, particularly high compressive stress far exceeding that of other MXene-based and WPU-based porous materials. Furthermore, synergistic effects of the oriented porous architecture and the multiphase skeleton endow the hybrid aerogels with a high X-band EMI shielding effectiveness (SE) of 64.7 dB at a low density of ∼38.2 mg/cm3. The corresponding specific SE value achieves 1694-3124 dB·cm3/g, and the SSE/d is up to 15,620 dB·cm2/g, surpassing that of most reported EMI shielding materials. Importantly, this aerogel, with excellent electromagnetic radiation protection effects and shielding reliability, is highly promising for long-term and effective EMI shielding service in various application environments.
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Affiliation(s)
- Yu Wang
- Shanghai Key Laboratory of Lightweight Composite, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, P.R. China 201620
| | - Qingbin Qi
- Shanghai Key Laboratory of Lightweight Composite, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, P.R. China 201620
| | - Guang Yin
- Shanghai Key Laboratory of Lightweight Composite, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, P.R. China 201620
| | - Wei Wang
- Shanghai Key Laboratory of Lightweight Composite, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, P.R. China 201620
- Saintyear Holding Group Co., Ltd., Hangzhou, China 311221
| | - Dan Yu
- Shanghai Key Laboratory of Lightweight Composite, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, P.R. China 201620
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18
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Ji J, Chen G, Liu Z, Li L, Yuan J, Wang P, Xu B, Fan X. Preparation of PEG-modified wool keratin/sodium alginate porous scaffolds with elasticity recovery and good biocompatibility. J Biomed Mater Res B Appl Biomater 2021; 109:1303-1312. [PMID: 33421269 DOI: 10.1002/jbm.b.34791] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Revised: 12/24/2020] [Accepted: 12/27/2020] [Indexed: 01/21/2023]
Abstract
To improve mechanical properties of keratin (KR) porous scaffolds, we prepared a PEGylated keratin through thiol-ene click reaction. Several porous scaffolds were prepared by blending PEGylated keratin with sodium alginate (SA). The surface morphology, mechanical properties, and porosity of scaffolds were detailed studied at different KR/SA proportions. The results showed the content of SA had an effect on pore formation and mechanical properties. When the mass ratio of KR to SA was 2:1, the stress of yield point of the keratin porous scaffold reached 1.24 MPa, and also showed good deformation recovery ability. The PEGylated keratin porous scaffold had a high porosity and great cytocompatibility. Its' porosity is up to 81.7% and the cell viability is about 117.78%. This allows it to absorb the simulated plasma quickly (9.20 ± 0.37 g/g). In addition, the structural stability and acid-base stability of the keratin porous scaffold were also improved after PEGylation. Overall, the PEGylated keratin porous scaffold will be promising in tissue materials due to its great physical, chemical, and biological properties.
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Affiliation(s)
- Ji Ji
- Key Laboratory of Eco-Textile, Ministry of Education, Jiangnan University, Wuxi, China
| | - Guang Chen
- Key Laboratory of Eco-Textile, Ministry of Education, Jiangnan University, Wuxi, China
| | - Zitong Liu
- Key Laboratory of Eco-Textile, Ministry of Education, Jiangnan University, Wuxi, China
| | - Lili Li
- Key Laboratory of Eco-Textile, Ministry of Education, Jiangnan University, Wuxi, China
| | - Jiugang Yuan
- Key Laboratory of Eco-Textile, Ministry of Education, Jiangnan University, Wuxi, China
| | - Ping Wang
- Key Laboratory of Eco-Textile, Ministry of Education, Jiangnan University, Wuxi, China
| | - Bo Xu
- Key Laboratory of Eco-Textile, Ministry of Education, Jiangnan University, Wuxi, China
| | - Xuerong Fan
- Key Laboratory of Eco-Textile, Ministry of Education, Jiangnan University, Wuxi, China
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19
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Anaya‐Plaza E, Shaukat A, Lehtonen I, Kostiainen MA. Biomolecule-Directed Carbon Nanotube Self-Assembly. Adv Healthc Mater 2021; 10:e2001162. [PMID: 33124183 DOI: 10.1002/adhm.202001162] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 10/12/2020] [Indexed: 12/26/2022]
Abstract
The strategy of combining biomolecules and synthetic components to develop biohybrids is becoming increasingly popular for preparing highly customized and biocompatible functional materials. Carbon nanotubes (CNTs) benefit from bioconjugation, allowing their excellent properties to be applied to biomedical applications. This study reviews the state-of-the-art research in biomolecule-CNT conjugates and discusses strategies for their self-assembly into hierarchical structures. The review focuses on various highly ordered structures and the interesting properties resulting from the structural order. Hence, CNTs conjugated with the most relevant biomolecules, such as nucleic acids, peptides, proteins, saccharides, and lipids are discussed. The resulting well-defined composites allow the nanoscale properties of the CNTs to be exploited at the micro- and macroscale, with potential applications in tissue engineering, sensors, and wearable electronics. This review presents the underlying chemistry behind the CNT-based biohybrid materials and discusses the future directions of the field.
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Affiliation(s)
- Eduardo Anaya‐Plaza
- Department of Bioproducts and Biosystems Aalto University Kemistintie 1 Espoo 02150 Finland
| | - Ahmed Shaukat
- Department of Bioproducts and Biosystems Aalto University Kemistintie 1 Espoo 02150 Finland
| | - Inka Lehtonen
- Department of Bioproducts and Biosystems Aalto University Kemistintie 1 Espoo 02150 Finland
| | - Mauri A. Kostiainen
- Department of Bioproducts and Biosystems Aalto University Kemistintie 1 Espoo 02150 Finland
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20
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21
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Zeng Z, Li W, Wu N, Zhao S, Lu X. Polymer-Assisted Fabrication of Silver Nanowire Cellular Monoliths: Toward Hydrophobic and Ultraflexible High-Performance Electromagnetic Interference Shielding Materials. ACS APPLIED MATERIALS & INTERFACES 2020; 12:38584-38592. [PMID: 32804478 DOI: 10.1021/acsami.0c10492] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Metal nanofibers with excellent electrical conductivity and superior mechanical flexibility have great potentials for fabrication of lightweight, flexible, and high-performance electromagnetic interference (EMI) shielding architectures. The weak interactions and large contact resistance among the wires, however, hinder their assembly into robust and high-performance EMI shielding monoliths. In this work, we used low fractions of polymers to assist the construction of lightweight, flexible, and highly conductive silver nanowire (AgNW) cellular monoliths with significantly enhanced mechanical strength and EMI shielding effectiveness (SE). The normalized surface specific SE of our AgNW-based cellular monoliths can reach up to 20522 dB·cm2/g, outracing that of most shielding materials ever reported. Moreover, this robust conductive framework enabled the successful fabrication of hydrophobic, ultraflexible, and highly stretchable aerogel/polymer composites with outstanding EMI SE even at an extremely low AgNW content. Thus, this work demonstrated a facile and efficient strategy for assembling metal nanofiber-based functional high-performance EMI shielding architectures.
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Affiliation(s)
- Zhihui Zeng
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, 8600 Dübendorf, Switzerland
| | - Weiwei Li
- IMPACT Lab, Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Na Wu
- Department of Chemistry, Swiss Federal Institute of Technology in Zurich (ETH Zürich), 8092 Zürich, Switzerland
| | - Shanyu Zhao
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, 8600 Dübendorf, Switzerland
| | - Xuehong Lu
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
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22
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Zeng Z, Wang C, Siqueira G, Han D, Huch A, Abdolhosseinzadeh S, Heier J, Nüesch F, Zhang C(J, Nyström G. Nanocellulose-MXene Biomimetic Aerogels with Orientation-Tunable Electromagnetic Interference Shielding Performance. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 7:2000979. [PMID: 32775169 PMCID: PMC7404164 DOI: 10.1002/advs.202000979] [Citation(s) in RCA: 112] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 05/14/2020] [Indexed: 05/17/2023]
Abstract
Designing lightweight nanostructured aerogels for high-performance electromagnetic interference (EMI) shielding is crucial yet challenging. Ultrathin cellulose nanofibrils (CNFs) are employed for assisting in building ultralow-density, robust, and highly flexible transition metal carbides and nitrides (MXenes) aerogels with oriented biomimetic cell walls. A significant influence of the angles between oriented cell walls and the incident EM wave electric field direction on the EMI shielding performance is revealed, providing an intriguing microstructure design strategy. MXene "bricks" bonded by CNF "mortars" of the nacre-like cell walls induce high mechanical strength, electrical conductivity, and interfacial polarization, yielding the resultant MXene/CNF aerogels an ultrahigh EMI shielding performance. The EMI shielding effectiveness (SE) of the aerogels reaches 74.6 or 35.5 dB at a density of merely 8.0 or 1.5 mg cm-3, respectively. The normalized surface specific SE is up to 189 400 dB cm2 g-1, significantly exceeding that of other EMI shielding materials reported so far.
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Affiliation(s)
- Zhihui Zeng
- Laboratory for Cellulose & Wood MaterialsSwiss Federal Laboratories for Materials Science and Technology (Empa)Dübendorf8600Switzerland
| | - Changxian Wang
- School of Materials Science and EngineeringNanyang Technological University50 Nanyang AvenueSingapore639798Singapore
| | - Gilberto Siqueira
- Laboratory for Cellulose & Wood MaterialsSwiss Federal Laboratories for Materials Science and Technology (Empa)Dübendorf8600Switzerland
| | - Daxin Han
- Department of Information Technology and Electrical EngineeringSwiss Federal Institute of Technology in Zurich (ETH Zürich)Zürich8092Switzerland
| | - Anja Huch
- Laboratory for Cellulose & Wood MaterialsSwiss Federal Laboratories for Materials Science and Technology (Empa)Dübendorf8600Switzerland
| | - Sina Abdolhosseinzadeh
- Laboratory for Functional PolymersEmpaDübendorf8600Switzerland
- Institute of Materials Science and EngineeringSwiss Federal Institute of Technology Lausanne (EPFL)Lausanne1015Switzerland
| | - Jakob Heier
- Laboratory for Functional PolymersEmpaDübendorf8600Switzerland
| | - Frank Nüesch
- Laboratory for Functional PolymersEmpaDübendorf8600Switzerland
- Institute of Materials Science and EngineeringSwiss Federal Institute of Technology Lausanne (EPFL)Lausanne1015Switzerland
| | | | - Gustav Nyström
- Laboratory for Cellulose & Wood MaterialsSwiss Federal Laboratories for Materials Science and Technology (Empa)Dübendorf8600Switzerland
- Department of Health Science and TechnologyETH ZürichSchmelzbergstrasse 9Zürich8092Switzerland
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23
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Pinto RJB, Martins MA, Lucas JMF, Vilela C, Sales AJM, Costa LC, Marques PAAP, Freire CSR. Highly Electroconductive Nanopapers Based on Nanocellulose and Copper Nanowires: A New Generation of Flexible and Sustainable Electrical Materials. ACS APPLIED MATERIALS & INTERFACES 2020; 12:34208-34216. [PMID: 32588615 DOI: 10.1021/acsami.0c09257] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Nowadays, the development of sustainable high-performance functional nanomaterials is in the spotlight. In this work, we report the preparation of a new generation of flexible and high electroconductive nanopapers based on nanofibrillated cellulose (NFC) and copper nanowires (CuNWs). Homogeneous red brick color nanopapers (thickness 30.2-36.4 μm) were obtained by mixing different amounts of NFC aqueous suspensions and CuNWs (1, 5, 10, 20, and 50 wt %), followed by vacuum filtration and drying. scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDS) analysis confirmed the incorporation of the different amounts of CuNWs, and their uniform and random distribution. All of the nanomaterials displayed good mechanical properties, viz., Young's modulus = 2.62-4.72 GPa, tensile strength = 30.2-70.6 MPa, and elongation at break = 2.3-4.1% for the nanopapers with 50 and 1 wt % of CuNWs mass fraction, respectively. The electrical conductivity of these materials strongly depends on the CuNW content, attaining a value of 5.43 × 104 S·m-1 for the nanopaper with a higher mass fraction. This is one of the highest values reported so far for nanocellulose-based conductive materials. Therefore, these nanopapers can be seen as an excellent inexpensive and green alternative to the current electroconductive materials for applications in electronic devices, energy storage, or sensors.
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Affiliation(s)
- Ricardo J B Pinto
- CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Manuel A Martins
- CICECO-Aveiro Institute of Materials, Department of Physics, University of Aveiro, 3810-193 Aveiro, Portugal
| | - José M F Lucas
- CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Carla Vilela
- CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Antonio J M Sales
- I3N-Department of Physics, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Luís C Costa
- I3N-Department of Physics, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Paula A A P Marques
- TEMA-Mechanical Engineering Department, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Carmen S R Freire
- CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
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24
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Zhang T, Wang D, Liu R, Xie Y, Li J, Wang L. A Coral Reef-like Structure Fabricated on Cellulose Paper for Simultaneous Oil-Water Separation and Electromagnetic Shielding Protection. ACS OMEGA 2020; 5:18105-18113. [PMID: 32743184 PMCID: PMC7391849 DOI: 10.1021/acsomega.0c01666] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Accepted: 07/03/2020] [Indexed: 06/11/2023]
Abstract
The functional design of paper-based material surfaces with renewable functions and environmentally friendly properties is prevalent nowadays. Herein, a superhydrophobic surface with a coral reef-like structure was prepared on filter paper by electroless copper plating, rapid silver nitrate etching, and facile 1-hexadecanethiol impregnation. After low-surface-energy thiol treatment, this unique coral reef-like structure surface showed excellent superhydrophobicity with a water contact angle of 163.8° and superoleophobicity with an oil contact angle of 0°, which could be used for oil-water separation and had a separation efficiency above 89.17% after 12 consecutive oil-water separations. Because the copper layer and silver nanostructure are both excellent conductive materials, the modified paper exhibited excellent electromagnetic shielding properties, and the electromagnetic interface shielding effectiveness exceeded 63 dB from 9 kHz to 1.5 GHz. The modified paper also had excellent self-cleaning properties and a better corrosion resistance. The unique three-dimensional interweaving structure between the cellulose fibers in the filter paper is fully utilized, and the substitution reaction between the silver ion and the copper coating produces a coral reef-like structure, which provides a new strategy for promoting the wide application of paper-based materials.
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25
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Pai AR, Binumol T, Gopakumar DA, Pasquini D, Seantier B, Kalarikkal N, Thomas S. Ultra-fast heat dissipating aerogels derived from polyaniline anchored cellulose nanofibers as sustainable microwave absorbers. Carbohydr Polym 2020; 246:116663. [PMID: 32747295 DOI: 10.1016/j.carbpol.2020.116663] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 05/31/2020] [Accepted: 06/14/2020] [Indexed: 12/15/2022]
Abstract
Electromagnetic (EM) pollution is ubiquitous and has soared to a great extent in the past few decades. The use of plant sourced cellulose nanofibers to fabricate sustainable and high performance electromagnetic shielding materials is foreseen as a green solution by the electronics industry to address this unseen pollutant. In this view, we report a facile and environmentally benign strategy to synthesize ultra-light and highly conductive aerogels derived from cellulose nanofibers (CNF) decorated with polyaniline (PANI) via a simple in-situ polymerization and subsequent freeze drying process devoid of any volatile organic solvents. The obtained conductive aerogels exhibited density as low as 0.01925 g/cc with a maximum EMI shielding value -32 dB in X band region. These porous shields demonstrated strong microwave absorption behavior (95 %) with minimal reflection (5 %) coupled with high specific EMI SE value ∼1667 dB.cm3. g-1 which make these aerogels a potential candidate for use in telecommunication, military and defense applications.
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Affiliation(s)
- Avinash R Pai
- International and Inter University Centre for Nanoscience and Nanotechnology, Mahatma Gandhi University, Kottayam, Kerala 686560, India
| | - T Binumol
- School of Chemical Sciences, Mahatma Gandhi University, Kottayam, Kerala 686560, India
| | - Deepu A Gopakumar
- Université de Toulouse, IMT Mines Albi, RAPSODEE CNRS UMR-5302, Campus Jarlard, F-81013, Albi Cedex 09, France
| | - Daniel Pasquini
- Chemistry Institute, Federal University of Uberlandia-UFU, Campus Santa Monica-Bloco1D-CP 593, Brazil
| | - Bastien Seantier
- Univ. Bretagne Sud, UMR CNRS 6027, IRDL, F-56100, Lorient, France
| | - Nandakumar Kalarikkal
- International and Inter University Centre for Nanoscience and Nanotechnology, Mahatma Gandhi University, Kottayam, Kerala 686560, India
| | - Sabu Thomas
- International and Inter University Centre for Nanoscience and Nanotechnology, Mahatma Gandhi University, Kottayam, Kerala 686560, India; School of Chemical Sciences, Mahatma Gandhi University, Kottayam, Kerala 686560, India.
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26
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Yin R, Yang S, Li Q, Zhang S, Liu H, Han J, Liu C, Shen C. Flexible conductive Ag nanowire/cellulose nanofibril hybrid nanopaper for strain and temperature sensing applications. Sci Bull (Beijing) 2020; 65:899-908. [PMID: 36747422 DOI: 10.1016/j.scib.2020.02.020] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 01/22/2020] [Accepted: 02/17/2020] [Indexed: 02/08/2023]
Abstract
With the rapid development of smart wearable devices, flexible and biodegradable sensors are in urgent needs. In this study, "green" electrically conductive Ag nanowire (AgNW)/cellulose nanofiber (CNF) hybrid nanopaper was fabricated to prepare flexible sensors using the facial solution blending and vacuum filtration technique. The amphiphilic property of cellulose is beneficial for the homogeneous dispersion of AgNW to construct effective electrically conductive networks. Two different types of strain sensors were designed to study their applications in strain sensing. One was the tensile strain sensor where the hybrid nanopaper was sandwiched between two thermoplastic polyurethane (TPU) films through hot compression, and special micro-crack structure was constructed through the pre-strain process to enhance the sensitivity. Interestingly, typical pre-strain dependent strain sensing behavior was observed due to different crack densities constructed under different pre-strains. As a result, it exhibited an ultralow detection limit as low as 0.2%, good reproducibility under different strains and excellent stability and durability during 500 cycles (1% strain, 0.5 mm/min). The other was the bending strain sensor where the hybrid nanopaper was adhered onto TPU film, showing stable and recoverable linearly sensing behavior towards two different bending modes (tension and compression). Importantly, the bending sensor displayed great potential for human motion and physiological signal detection. Furthermore, the hybrid nanopaper also exhibited stable and reproducible negative temperature sensing behavior when it was served as a temperature sensor. This study provides a guideline for fabricating flexible and biodegradable sensors.
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Affiliation(s)
- Rui Yin
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou 450002, China; China Astronaut Research and Training Center, Beijing 100094, China
| | - Shuaiyuan Yang
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou 450002, China
| | - Qianming Li
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou 450002, China
| | - Shuaidi Zhang
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou 450002, China
| | - Hu Liu
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou 450002, China.
| | - Jian Han
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou 450002, China.
| | - Chuntai Liu
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou 450002, China; Technology Development Center for Polymer Processing Engineering, Guangdong Colleges and Universities, Guangdong Industry Technical College, Guangzhou 510641, China
| | - Changyu Shen
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou 450002, China
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Li J, Chen JL, Tang XH, Cai JH, Liu JH, Wang M. Constructing nanopores in poly(oxymethylene)/multi-wall carbon nanotube nanocomposites via poly(l-lactide) assisting for improving electromagnetic interference shielding. J Colloid Interface Sci 2020; 565:536-545. [DOI: 10.1016/j.jcis.2020.01.057] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 01/15/2020] [Accepted: 01/16/2020] [Indexed: 12/15/2022]
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28
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Zeng Z, Wu T, Han D, Ren Q, Siqueira G, Nyström G. Ultralight, Flexible, and Biomimetic Nanocellulose/Silver Nanowire Aerogels for Electromagnetic Interference Shielding. ACS NANO 2020; 14:2927-2938. [PMID: 32109050 DOI: 10.1021/acsnano.9b07452] [Citation(s) in RCA: 91] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Ultralight and highly flexible biopolymer aerogels, composed of biomimetic cellular microstructures formed from cellulose nanofibers and silver nanowires, are assembled via a convenient and facile freeze-casting method. The lamellar, honeycomb-like, and random porous scaffolds are successfully achieved by adjusting freezing approaches to modulate the relationships between microstructures and macroscopic mechanical and electromagnetic interference (EMI) shielding performances. Combining the shielding transformation arising from in situ compression and the controlled content of building units, the optimized lamellar porous biopolymer aerogels can show a very high EMI shielding effectiveness (SE), which exceeds 70 or 40 dB in the X-band while the density is merely 6.2 or 1.7 mg/cm3, respectively. The corresponding normalized surface specific SE (defined as the SE divided by the material density and thickness) is up to 178235 dB·cm2/g, far surpassing that of the so-far reported shielding materials. Antibacterial properties and hydrophobicity are also demonstrated extending the versatility and application potential of the biopolymer hybrid aerogels.
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Affiliation(s)
- Zhihui Zeng
- Laboratory for Cellulose & Wood Materials, Swiss Federal Laboratories for Materials Science and Technology (Empa), 8600 Dübendorf, Switzerland
| | - Tingting Wu
- Laboratory for Cellulose & Wood Materials, Swiss Federal Laboratories for Materials Science and Technology (Empa), 8600 Dübendorf, Switzerland
| | - Daxin Han
- Department of Information Technology and Electrical Engineering, Swiss Federal Institute of Technology in Zurich (ETH Zürich), 8092 Zürich, Switzerland
| | - Qun Ren
- Laboratory for Biointerfaces, Swiss Federal Laboratories for Materials Science and Technology (Empa), 9041 St. Gallen, Switzerland
| | - Gilberto Siqueira
- Laboratory for Cellulose & Wood Materials, Swiss Federal Laboratories for Materials Science and Technology (Empa), 8600 Dübendorf, Switzerland
| | - Gustav Nyström
- Laboratory for Cellulose & Wood Materials, Swiss Federal Laboratories for Materials Science and Technology (Empa), 8600 Dübendorf, Switzerland
- Department of Health Sciences and Technology, ETH Zürich, 8092 Zürich, Switzerland
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29
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Zhou B, Zhang Z, Li Y, Han G, Feng Y, Wang B, Zhang D, Ma J, Liu C. Flexible, Robust, and Multifunctional Electromagnetic Interference Shielding Film with Alternating Cellulose Nanofiber and MXene Layers. ACS APPLIED MATERIALS & INTERFACES 2020; 12:4895-4905. [PMID: 31898463 DOI: 10.1021/acsami.9b19768] [Citation(s) in RCA: 124] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Flexible, lightweight, robust, and multifunctional characteristics are greatly desirable for next-generation wearable electromagnetic interference (EMI) shielding materials. In this work, an alternating multilayered structure with robust polymer frame layers and directly contacted conducting layers was designed to prepare high-performance EMI films. Especially, the multilayered films containing alternating cellulose nanofiber (CNF) layers and MXene layers are fabricated via a facile and efficient alternating vacuum filtration approach. Deriving from the mechanical frame effect acted by CNF layers in, which is capable of preventing the nanosized "zigzag" crack in MXene layers from growing to the whole film, the alternating multilayered film (CNF@MXene) revealed the improved mechanical strength (112.5 MPa) and toughness (2.7 MJ m-3) compared to both freestanding MXene film and homogeneous CNF/MXene film. Meanwhile, the directly contacted MXene layers resulted in the increased electrical conductivity from 2 (homogeneous CNF/MXene film) to 621-82 S m-1 (CNF@MXene films). In conjunction with the extra "reflection-absorption-zigzag reflection" mechanism among the alternating multilayers, CNF@MXene films demonstrated an exceptional EMI shielding effectiveness of ∼40 dB in the X-band and K-band and high specific shielding effectiveness up to 7029 dB cm2 g-1 at a thickness of only 0.035 mm. Besides, the excellent mechanical flexibility ensured the stable EMI shielding and electrical properties, which can withstand the folding test more than 1000 times without obvious reduction. Moreover, the excellent electrical conductivity endows the alternating multilayered film with an outstanding and steady Joule heating performance, which could reach more than 100 °C at only 6 V impressed voltage to within 10 s. As a result, our alternating multilayered film with reinforced EMI shielding and Joule heating performance is promising in the next-generation intelligent protection devices applying in cold and complex practical environments.
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Affiliation(s)
- Bing Zhou
- Key Laboratory of Materials Processing and Mold Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology , Zhengzhou University , Zhengzhou , Henan 450002 , China
| | - Zhen Zhang
- Key Laboratory of Materials Processing and Mold Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology , Zhengzhou University , Zhengzhou , Henan 450002 , China
| | - Yanli Li
- Key Laboratory of Materials Processing and Mold Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology , Zhengzhou University , Zhengzhou , Henan 450002 , China
| | - Gaojie Han
- Key Laboratory of Materials Processing and Mold Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology , Zhengzhou University , Zhengzhou , Henan 450002 , China
| | - Yuezhan Feng
- Key Laboratory of Materials Processing and Mold Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology , Zhengzhou University , Zhengzhou , Henan 450002 , China
| | - Bo Wang
- Key Laboratory of Materials Processing and Mold Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology , Zhengzhou University , Zhengzhou , Henan 450002 , China
| | - Dianbo Zhang
- Key Laboratory of Materials Processing and Mold Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology , Zhengzhou University , Zhengzhou , Henan 450002 , China
| | - Jianmin Ma
- Key Laboratory for Micro-/Nano-Optoelectronic Devices, Ministry of Education, School of Physics and Electronics , Hunan University , Changsha 410022 , China
| | - Chuntai Liu
- Key Laboratory of Materials Processing and Mold Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology , Zhengzhou University , Zhengzhou , Henan 450002 , China
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30
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Wang L, Song P, Lin CT, Kong J, Gu J. 3D Shapeable, Superior Electrically Conductive Cellulose Nanofibers/Ti 3C 2T x MXene Aerogels/Epoxy Nanocomposites for Promising EMI Shielding. RESEARCH (WASHINGTON, D.C.) 2020; 2020:4093732. [PMID: 32613198 PMCID: PMC7317662 DOI: 10.34133/2020/4093732] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 05/08/2020] [Indexed: 11/06/2022]
Abstract
In this work, 3D highly electrically conductive cellulose nanofibers (CNF)/Ti3C2Tx MXene aerogels (CTA) with aligned porous structures are fabricated by directional freezing followed by freeze-drying technique, and the thermally annealed CTA (TCTA)/epoxy nanocomposites are then fabricated by thermal annealing of CTA, subsequent vacuum-assisted impregnation and curing method. Results show that TCTA/epoxy nanocomposites possess 3D highly conductive networks with ultralow percolation threshold of 0.20 vol% Ti3C2Tx. When the volume fraction of Ti3C2Tx is 1.38 vol%, the electrical conductivity (σ), electromagnetic interference shielding effectiveness (EMI SE), and SE divided by thickness (SE/d) values of the TCTA/epoxy nanocomposites reach 1672 S m-1, 74 dB, and 37 dB mm-1, respectively, which are almost the highest values compared to those of polymer nanocomposites reported previously at the same filler content. In addition, compared to those of the samples without Ti3C2Tx, the storage modulus and heat-resistance index of TCTA/epoxy nanocomposites are enhanced to 9792.5 MPa and 310.7°C, increased by 62% and 6.9°C, respectively, presenting outstanding mechanical properties and thermal stabilities. The fabricated lightweight, easy-to-process, and shapeable TCTA/epoxy nanocomposites with superior EMI SE values, excellent mechanical properties, and thermal stabilities greatly broaden the applications of MXene-based polymer composites in the field of EMI shielding.
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Affiliation(s)
- Lei Wang
- Shaanxi Key Laboratory of Macromolecular Science and Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi 710072, China
| | - Ping Song
- Shaanxi Key Laboratory of Macromolecular Science and Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi 710072, China
| | - Cheng-Te Lin
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering (NIMTE), Chinese Academy of Sciences, Ningbo 315201, China
| | - Jie Kong
- Shaanxi Key Laboratory of Macromolecular Science and Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi 710072, China
| | - Junwei Gu
- Shaanxi Key Laboratory of Macromolecular Science and Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi 710072, China
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31
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Weng C, Wang G, Dai Z, Pei Y, Liu L, Zhang Z. Buckled AgNW/MXene hybrid hierarchical sponges for high-performance electromagnetic interference shielding. NANOSCALE 2019; 11:22804-22812. [PMID: 31750492 DOI: 10.1039/c9nr07988b] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
The development of electromagnetic interference (EMI) shielding materials is moving forward towards being lightweight and showing high-performance. Here, we report on lightweight silver nanowire (AgNW)/MXene hybrid sponges featuring hierarchical structures that are fabricated by a combination of dip-coating and unidirectional freeze-drying methods. The commercial melamine formaldehyde sponges (MF), designed with a buckled structure, are chosen as the template for coating with the AgNW layer (BMF/AgNW). Furthermore, the additional irregular honeycomb architecture composed of MXene assembled cell walls is introduced inside the BMF cell-matrix through unidirectional freeze-drying of MXene aqueous suspensions. Consequently, the BMF/AgNW presents a better EMI shielding effectiveness of 40.0 dB contributed by the conductive network and multiple reflections and scattering compared with the MF/AgNW. Eventually, the resulting AgNW/MXene hybrid sponge exhibits a higher EMI shielding effectiveness of 52.6 dB with a low density of 49.5 mg cm-3 compared with the BMF/AgNW due to synergetic effects of the AgNW and MXene both in conductivity and hierarchical structure. These results also provide a novel way to fabricate lightweight and conductive sponges as high-performance EMI shielding materials.
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Affiliation(s)
- Chuanxin Weng
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication and CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China. and University of Chinese Academy of Sciences, Beijing 100049, China
| | - Guorui Wang
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication and CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China.
| | - Zhaohe Dai
- Center for Mechanics of Solids, Structures and Materials, Department of Aerospace Engineering and Engineering Mechanics, The University of Texas at Austin, Austin, TX 78712, USA
| | - Yongmao Pei
- State Key Laboratory for Turbulence and Complex Systems, College of Engineering, Peking University, Beijing 100871, China
| | - Luqi Liu
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication and CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China.
| | - Zhong Zhang
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication and CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China.
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32
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Cao W, Ma C, Tan S, Ma M, Wan P, Chen F. Ultrathin and Flexible CNTs/MXene/Cellulose Nanofibrils Composite Paper for Electromagnetic Interference Shielding. NANO-MICRO LETTERS 2019; 11:72. [PMID: 34138029 PMCID: PMC7770921 DOI: 10.1007/s40820-019-0304-y] [Citation(s) in RCA: 98] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Accepted: 08/18/2019] [Indexed: 05/17/2023]
Abstract
As the rapid development of portable and wearable devices, different electromagnetic interference (EMI) shielding materials with high efficiency have been desired to eliminate the resulting radiation pollution. However, limited EMI shielding materials are successfully used in practical applications, due to the heavy thickness and absence of sufficient strength or flexibility. Herein, an ultrathin and flexible carbon nanotubes/MXene/cellulose nanofibrils composite paper with gradient and sandwich structure is constructed for EMI shielding application via a facile alternating vacuum-assisted filtration process. The composite paper exhibits outstanding mechanical properties with a tensile strength of 97.9 ± 5.0 MPa and a fracture strain of 4.6 ± 0.2%. Particularly, the paper shows a high electrical conductivity of 2506.6 S m-1 and EMI shielding effectiveness (EMI SE) of 38.4 dB due to the sandwich structure in improving EMI SE, and the gradient structure on regulating the contributions from reflection and absorption. This strategy is of great significance in fabricating ultrathin and flexible composite paper for highly efficient EMI shielding performance and in broadening the practical applications of MXene-based composite materials.
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Affiliation(s)
- Wentao Cao
- Department of Orthopedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, People's Republic of China
- Engineering Research Center of Forestry Biomass Materials and Bioenergy, Beijing Key Laboratory of Lignocellulosic Chemistry, College of Materials Science and Technology, Beijing Forestry University, Beijing, 100083, People's Republic of China
| | - Chang Ma
- Engineering Research Center of Forestry Biomass Materials and Bioenergy, Beijing Key Laboratory of Lignocellulosic Chemistry, College of Materials Science and Technology, Beijing Forestry University, Beijing, 100083, People's Republic of China
| | - Shuo Tan
- Department of Orthopedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, People's Republic of China
| | - Mingguo Ma
- Engineering Research Center of Forestry Biomass Materials and Bioenergy, Beijing Key Laboratory of Lignocellulosic Chemistry, College of Materials Science and Technology, Beijing Forestry University, Beijing, 100083, People's Republic of China.
| | - Pengbo Wan
- Center of Advanced Elastomer Materials, State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China.
| | - Feng Chen
- Department of Orthopedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, People's Republic of China.
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Pitkänen O, Tolvanen J, Szenti I, Kukovecz Á, Hannu J, Jantunen H, Kordas K. Lightweight Hierarchical Carbon Nanocomposites with Highly Efficient and Tunable Electromagnetic Interference Shielding Properties. ACS APPLIED MATERIALS & INTERFACES 2019; 11:19331-19338. [PMID: 31059215 PMCID: PMC6750641 DOI: 10.1021/acsami.9b02309] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 05/06/2019] [Indexed: 05/20/2023]
Abstract
High-performance electromagnetic interference shielding is becoming vital for the next generation of telecommunication and sensor devices among which portable and wearable applications require highly flexible and lightweight materials having efficient absorption-dominant shielding. Herein, we report on lightweight carbon foam-carbon nanotube/carbon nanofiber nanocomposites that are synthesized in a two-step robust process including a simple carbonization of open-pore structure melamine foams and subsequent growth of carbon nanotubes/nanofibers by chemical vapor deposition. The microstructure of the nanocomposites resembles a 3-dimensional hierarchical network of carbonaceous skeleton surrounded with a tangled web of bamboo-shaped carbon nanotubes and layered graphitic carbon nanofibers. The microstructure of the porous composite enables absorption-dominant (absorbance ∼0.9) electromagnetic interference shielding with an effectiveness of ∼20-30 dB and with an equivalent mass density normalized shielding effectiveness of ∼800-1700 dB cm3 g-1 at the K-band frequency (18-26.5 GHz). Moreover, the hydrophobic nature of the materials grants water-repellency and stability in humid conditions important for reliable operation in outdoor use, whereas the mechanical flexibility and durability with excellent piezoresistive behavior enable strain-responsive tuning of electrical conductivity and electromagnetic interference shielding, adding on further functionalities. The demonstrated nanocomposites are versatile and will contribute to the development of reliable devices not only in telecommunication but also in wearable electronics, aerospace engineering, and robotics among others.
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Affiliation(s)
- Olli Pitkänen
- Microelectronics Research Unit, Faculty of Information Technology
and Electrical Engineering, University of
Oulu, P.O. Box 4500, FIN-90014 Oulu, Finland
- E-mail:
| | - Jarkko Tolvanen
- Microelectronics Research Unit, Faculty of Information Technology
and Electrical Engineering, University of
Oulu, P.O. Box 4500, FIN-90014 Oulu, Finland
| | - Imre Szenti
- Interdisciplinary Excellence Centre, Department of Applied and Environmental
Chemistry, University of Szeged, H-6720 Szeged, Rerrich Béla tér 1, Hungary
| | - Ákos Kukovecz
- Interdisciplinary Excellence Centre, Department of Applied and Environmental
Chemistry, University of Szeged, H-6720 Szeged, Rerrich Béla tér 1, Hungary
| | - Jari Hannu
- Microelectronics Research Unit, Faculty of Information Technology
and Electrical Engineering, University of
Oulu, P.O. Box 4500, FIN-90014 Oulu, Finland
| | - Heli Jantunen
- Microelectronics Research Unit, Faculty of Information Technology
and Electrical Engineering, University of
Oulu, P.O. Box 4500, FIN-90014 Oulu, Finland
| | - Krisztian Kordas
- Microelectronics Research Unit, Faculty of Information Technology
and Electrical Engineering, University of
Oulu, P.O. Box 4500, FIN-90014 Oulu, Finland
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34
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Mougel JB, Bertoncini P, Cathala B, Chauvet O, Capron I. Macroporous hybrid Pickering foams based on carbon nanotubes and cellulose nanocrystals. J Colloid Interface Sci 2019; 544:78-87. [DOI: 10.1016/j.jcis.2019.01.127] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 01/28/2019] [Accepted: 01/29/2019] [Indexed: 01/10/2023]
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35
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Wang P, Aliheidari N, Zhang X, Ameli A. Strong ultralight foams based on nanocrystalline cellulose for high-performance insulation. Carbohydr Polym 2019; 218:103-111. [PMID: 31221311 DOI: 10.1016/j.carbpol.2019.04.059] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 04/16/2019] [Accepted: 04/16/2019] [Indexed: 11/16/2022]
Abstract
Environmentally friendly, sustainable, and high-performance thermal insulators are in high demand. Petroleum-based insulator foams usually have high thermal conductivity and pose health hazards. Here, we report ultralight composite foams that are highly strong, elastic, and super-insulating. The foams are composed of nanocrystalline cellulose (NCC) (74 wt%), polyvinyl alcohol (7.5 wt%), and a crosslinking agent (18.5 wt%). The fabrication process is simple and uses only water. The composite foams exhibit an elastic strain of ˜13% at a modulus of 250 K Pa and a stress of 73 K Pa at 50% strain (100+ and 18 times, respectively, higher than those of pure NCC foam); both exceed the values of reported nanocellulose-based foams with no reinforcement. The foams exhibit a thermal conductivity of 0.027 Wm-1 K-1, which is superior to those of traditional insulating materials. The structural integrity is also preserved after burning. Our results show that NCC-based materials can be engineered towards high-performance insulation applications.
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Affiliation(s)
- Peipei Wang
- Bioproducts, Sciences and Engineering Laboratory, Voiland School of Chemical Engineering and Bioengineering, Washington State University, Richland, WA, 99354, United States
| | - Nahal Aliheidari
- Advanced Composites Laboratory, School of Mechanical and Materials Engineering, Washington State University, 2710 Crimson Way, Richland, WA, 99354, United States
| | - Xiao Zhang
- Bioproducts, Sciences and Engineering Laboratory, Voiland School of Chemical Engineering and Bioengineering, Washington State University, Richland, WA, 99354, United States; Pacific Northwest National Laboratory, Richland, WA, 99354, United States.
| | - Amir Ameli
- Advanced Composites Laboratory, School of Mechanical and Materials Engineering, Washington State University, 2710 Crimson Way, Richland, WA, 99354, United States.
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