Flexible, breathable, and highly environmental-stable Ni/PPy/PET conductive fabrics for efficient electromagnetic interference shielding and wearable textile antennas

Liu, Qiongzhen; Yi, Cong; Chen, Jiahui; Xia, Ming; Lü, Ying; Wang, Yuedan; Li, Xue; Li, Mufang; Liu, Ke; Wang, Dong

doi:10.1016/j.compositesb.2021.108752

Cited by 70 publications

(28 citation statements)

References 52 publications

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“…This result indicated that most incident waves were reflected by highly conductive F@Ag-LM textile before penetrating the textile and being absorbed, which determined the F@Ag-LM textile is a reflection dominant shield. On the basis of the impressive conductivity of the prepared textile, the superior EMI SE (∼87.56 dB) outperforms many counterparts reported, and a performance comparison of these materials is given in Figure d and Table S1. ,,− Figure e demonstrates that an LED is remotely lit by a Tesla coil unit via electromagnetic waves and turned off when the F@Ag-LM textile is held close to the coil, highlighting the satisfactory EMI shielding performance of the textile, and Movie S2 shows the dynamic process.…”

Section: Resultsmentioning

confidence: 92%

Superhydrophobic E-textile with an Ag-EGaIn Conductive Layer for Motion Detection and Electromagnetic Interference Shielding

Sun

Teng

et al. 2022

ACS Appl. Mater. Interfaces

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As as emerging innovation, electronic textiles have shown promising potential in health monitoring, energy harvesting, temperature regulation, and human–computer interactions. To access broader application scenarios, numerous e-textiles have been designed with a superhydrophobic surface to steer clear of interference from humidity or chemical decay. Nevertheless, even the cutting-edge electronic textiles (e-textiles) still have difficulty in realizing superior conductivity and satisfactory water repellency simultaneously. Herein, a facile and efficient approach to integrate a hierarchical elastic e-textile is proposed by electroless silver plating on GaIn alloy liquid metal coated textiles. The continuous uneven surface of AgNPs and deposition of FAS-17 endow the textile with exceptional and robust superhydrophobic performance, in which the conductivity and the contact angle of the as-made textile could reach 2145 ± 122 S/cm and 161.5 ± 2.1°, respectively. On the basis of such excellent conductivity, the electromagnetic interference (EMI) shielding function is excavated and the average shielding efficiency (SE) reaches about 87.56 dB within frequencies of 8.2–12.4 GHz. Furthermore, due to its high elasticity and low modulus, the textile can serve as a wearable strain sensor for motion detection, health monitoring, and underwater message transmission. This work provides a novel route to fabricate high-performance hydrophobic e-textiles, in which the encapsulation strategy could be referenced for the further development of conductive textiles.

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Section: Resultsmentioning

confidence: 92%

Superhydrophobic E-textile with an Ag-EGaIn Conductive Layer for Motion Detection and Electromagnetic Interference Shielding

Sun

Teng

et al. 2022

ACS Appl. Mater. Interfaces

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“…The method of surface metallization: Cheng et al [62] experimentally studied the influence of different weft densities, warp densities, wire diameters and layering angles on EM shielding effect of copper-coated twill fabrics, and concluded that the number of conductive layers, warp and weft densities were positively correlated with SE. Liu et al [63] prepared Ni/PPy (polymerization of pyrrole)/PET (polyethylene terephthalate) conductive fabrics with EM shielding effect by in-situ polymerization of pyrrole and electroless nickel plating, which had the abilities of flexible, lightweight and breathable. Conductive fabrics with higher fractal dimensions have higher thickness of conductive layer, higher conductivity and better EM shielding effect.…”

Section: The Experiments To Investigate Em Shielding Fabricsmentioning

confidence: 99%

A Review of Electromagnetic Shielding Fabric, Wave-Absorbing Fabric and Wave-Transparent Fabric

Yin

Gao

et al. 2022

Polymers

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As the basic materials with specific properties, fabrics have been widely applied in electromagnetic (EM) wave protection and control due to their characteristics of low density, excellent mechanical properties as well as designability. According to the different mechanisms and application scenarios on EM waves, fabrics can be divided into three types: EM shielding fabric, wave-absorbing fabric and wave-transparent fabric, which have been summarized and prospected from the aspects of mechanisms and research status, and it is believed that the current research on EM wave fabrics are imperfect in theory. Therefore, in order to meet the needs of different EM properties and application conditions, the structure of fabrics will be diversified, and more and more attentions should be paid to the research on structure of fabrics that meets EM properties, which will be conductive to guiding the development and optimization of fabrics. Furthermore, the application of fabrics in EM waves will change from 2D to 3D, from single structure to multiple structures, from large to small, as well as from heavy to light.

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“…Electronic textiles (e-textiles) are an emerging development that have great potential for wide applications in next-generation wearable electronics, which can be used in energy harvesting devices, [1,2] various sensing devices, [3][4][5] human-machine DOI: 10.1002/advs.202201111 interfaces, [6,7] supercapacitors, [8,9] and electromagnetic interference shields. [10,11] In the past decades, various efforts have been made to develop electrically conductive textiles and optimize their performance. [12][13][14] These techniques can be summarized in three main strategies.…”

Section: Introductionmentioning

confidence: 99%

Colorful Conductive Threads for Wearable Electronics: Transparent Cu–Ag Nanonets

et al. 2022

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Electronic textiles have been regarded as the basic building blocks for constructing a new generation of wearable electronics. However, the electronization of textiles often changes their original properties such as color, softness, glossiness, or flexibility. Here a rapid room-temperature fabrication method toward conductive colorful threads and fabrics with Ag-coated Cu (Cu-Ag) nanonets is demonstrated. Cu-Ag core-shell nanowires are produced through a one-pot synthesis followed by electroless deposition. According to the balance of draining and entraining forces, a fast dip-withdraw process in a volatile solution is developed to tightly wrap Cu-Ag nanonets onto the fibers of thread. The modified threads are not only conductive, but they also retain their original features with enhanced mechanical stability and dry-wash durability. Furthermore, various e-textile devices are fabricated such as a fabric heater, touch screen gloves, a wearable real-time temperature sensor, and warm fabrics against infrared thermal dissipation. These high quality and colorful conductive textiles will provide powerful materials for promoting next-generation applications in wearable electronics.

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Flexible, breathable, and highly environmental-stable Ni/PPy/PET conductive fabrics for efficient electromagnetic interference shielding and wearable textile antennas

Cited by 70 publications

References 52 publications

Superhydrophobic E-textile with an Ag-EGaIn Conductive Layer for Motion Detection and Electromagnetic Interference Shielding

Superhydrophobic E-textile with an Ag-EGaIn Conductive Layer for Motion Detection and Electromagnetic Interference Shielding

A Review of Electromagnetic Shielding Fabric, Wave-Absorbing Fabric and Wave-Transparent Fabric

Colorful Conductive Threads for Wearable Electronics: Transparent Cu–Ag Nanonets

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