Perspective of electromagnetic wave absorbing materials with continuously tunable effective absorption frequency bands

Composites Communications, Journal Year: 2024, Volume and Issue: 50, P. 101993 - 101993

Published: July 9, 2024

Language: Английский

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Advanced Functional Electromagnetic Shielding Materials: A Review Based on Micro-Nano Structure Interface Control of Biomass Cell Walls

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 17(1)

Published: Sept. 20, 2024

Abstract Research efforts on electromagnetic interference (EMI) shielding materials have begun to converge green and sustainable biomass materials. These offer numerous advantages such as being lightweight, porous, hierarchical. Due their porous nature, interfacial compatibility, electrical conductivity, hold significant potential EMI Despite concerted the of been reported, this research area is still relatively new compared traditional In particular, a more comprehensive study summary factors influencing including pore structure adjustment, preparation process, micro-control would be valuable. The methods characteristics wood, bamboo, cellulose lignin in field are critically discussed paper, similar summarized analyzed. composite fillers various were reviewed. paper also highlights mechanism well existing prospects challenges for development trends field.

Language: Английский

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A review on recent advancements in textile fabrics for electromagnetic interference (EMI) shielding materials

Materials Today Communications, Journal Year: 2025, Volume and Issue: unknown, P. 111879 - 111879

Published: Feb. 1, 2025

Language: Английский

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Coaxially spinning spiral coils into concentric microtubes to synchronize motion and temperature sensing for stretchable and wearable device

Composites Communications, Journal Year: 2024, Volume and Issue: 51, P. 102036 - 102036

Published: Aug. 15, 2024

Language: Английский

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A Comprehensive Review on the Characterization of Nanomaterials for the Suppression of Electromagnetic Interference Across Diverse Frequency bands

Polymer-Plastics Technology and Materials, Journal Year: 2024, Volume and Issue: 63(14), P. 1917 - 1958

Published: June 17, 2024

The progression of cutting-edge materials for effectively safeguarding against electromagnetic radiation has emerged as an urgent priority within the scientific community. This study evaluates present research status EMI shielding based on polymer nanocomposites. review encompasses exploration principles behind shielding, followed by a concise narration most widely utilized synthesis techniques and nanocomposites designed shielding. Special attention is given in unraveling correlation between nanomaterials these composites, type fillers employed, their interference efficiency (EMI SE). In addition methods, mechanism are also reviewed. A detailed discourse gaps various fields where hold potential applications presented, prospective avenues suggested to overcome current technological challenges.

Language: Английский

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Intelligent fibers and textiles for wearable biosensors

Deleted Journal, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 8, 2024

Abstract In conjunction with the advancement of digital healthcare, field wearable biosensors has experienced rapid growth in recent years and is projected to expand further coming years. As enter their next phase, emphasis increasingly placed on developing comfortable, breathable, washable, lightweight intelligent fibers textiles as key components. This review examines contributions both natural synthetic biosensors. The structure preparation process are systematically elucidated, including development conductive layer. Additionally, micro–nano technologies that have emerged this domain highlighted such built‐in power supplies, wireless data transmission, precise analysis driven by artificial intelligence, machine learning. Furthermore, advanced functionalities integrated into biosensing systems, heat management, real‐time displays, human–machine interaction summarized. Moreover, applications fiber‐based for monitoring biophysical biochemical signals presented. Finally, challenges faced community working sensors based discussed alongside promising future directions.

Language: Английский

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Thermo‐Chemo‐Mechanically Robust, Multifunctional MXene/PVA/PAA‐Hanji Textile with Energy Harvesting, EMI Shielding, Flame‐Retardant, and Joule Heating Capabilities

Advanced Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 3, 2024

Abstract The rapid development of wearable electronics, personal mobile equipment, and Internet Things systems demands smart textiles that integrate multiple functions with enhanced durability. Herein, the study reports robust multifunctional energy harvesting, electromagnetic interference (EMI) shielding, flame resistance, Joule heating capabilities, fabricated by a facile yet effective integration method using deposition cross‐linked MXene (Ti 3 C 2 T x ), poly(vinyl alcohol) (PVA), poly(acrylic acid) (PAA) onto traditional Korean paper, Hanji via vacuum filtration. Comprehensive analyses confirm cross‐linking, structural integrity, interface stability in MXene/PVA/PAA‐Hanji (MPP‐H) textiles, which synergistically boost their performance. MPP‐H exhibit remarkable power generation lasting over 60 min density 102.2 µW cm −3 an 31.0 mWh upon application 20 µL NaCl solution. EMI shielding effectiveness (SE) per unit thickness X‐band (8.2–12.4 GHz) is up to 437.6 dB mm −1 , ratio absorption reflection reaching 4.5, outperforming existing materials. Superior thermo‐chemo‐mechanical properties (flame heating, durability, washability) further demonstrate versatile usability. enables diverse functionalities within single, textile through scalable fabrication method, offering transformative potential for mobility platforms.

Language: Английский

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Optimizing electromagnetic interference shielding of flexible textiles using SiC@C nanowhiskers synthesized via laser chemical vapor deposition

Applied Surface Science, Journal Year: 2025, Volume and Issue: unknown, P. 162436 - 162436

Published: Jan. 1, 2025

Language: Английский

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Plant volatiles-loaded core-shell micro-nano fibers to achieve efficient and sustained bisexual attraction to pests

Journal of Nanobiotechnology, Journal Year: 2025, Volume and Issue: 23(1)

Published: April 1, 2025

Chemical pesticides face significant challenges regarding their efficacy and environmental impact. Plant-based food attractants have emerged as a promising green alternative for pest control. However, field application is limited by the short duration of effectiveness, necessitating improved carrier systems sustained release. Electrospinning technology in this field, with core-shell fibers offering superior performance efficient loading release compared to uniaxial fibers, highlighting potential further development. In study, micro-nano fiber mats were prepared via coaxial electrospinning using multiple environmentally friendly polymers. These firstly successfully loaded bisexually attractive Loxostege sticticalis adults, including 1-octen-3-ol, trans-2-hexenal, linalool, anethole, enabling effective trapping. The components spinning solution chemically compatible, after spinning, poly(3-hydroxybutyrate-co-4-hydroxybutyrate)/polycaprolactone (PHB/PCL) shell layer polyethylene oxide (PEO) core formed clear boundaries. achieved an average encapsulation efficiency 78% active ingredients, profile that delivered over 60% within 80 days while mitigating early burst Electroantennogram behavioral studies revealed retained electrophysiological activity at least 90 days, effectively attracting male female adult insects even 75 days. Field trials demonstrated significantly outperformed commercial slow-release carriers, higher number L. adults. Additionally, exhibited strong stress resistance, biodegradability, compatibility, protecting molecules minimizing ecological developed provide highly efficient, eco-friendly plant-based attractants, prolonged insect trapping performance. This study highlights sustainable agriculture management, paving way greener alternatives chemical pesticides.

Language: Английский

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Boron Nitride‐Polymer Composites with High Thermal Conductivity: Preparation, Functionalization Strategy and Innovative Structural Regulation

Small, Journal Year: 2025, Volume and Issue: unknown

Published: March 30, 2025

Abstract The escalating thermal challenges posed by increasing power densities in electronic devices emerge as a critical barrier to maintain their sustained and reliable operation. Addressing this issue requires the strategic development of materials with superior conductivity properties facilitate progress high‐power electronics development. Thermal conductive polymer composites incorporating ceramic material renowned for exceptional adjustability, insulating properties, moldability, are emerging promising solution urgent challenge. Hexagonal boron nitride (h‐BN) nanomaterials highly candidates management applications, owing mechanical stability, remarkable coefficients, minimal expansion characteristics, outstanding chemical inertness. In work, ≈10 years on high nitride‐filled is thoroughly summarized. Moreover, strategies h‐BN other nanomaterials‐filled at synthesis, functionalization, innovative structural design discussed detail. main future nitride‐polymer also proposed, which will provide meaningful guidance practical applications materials.

Language: Английский

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