Mechanical Gradients Enable Highly Stretchable Electronics Based on Nanofiber Substrates DOI
Meng Wang, Kai Wang, Chao Ma

et al.

ACS Applied Materials & Interfaces, Journal Year: 2022, Volume and Issue: 14(31), P. 35997 - 36006

Published: July 27, 2022

Stretchable electronics play a pivotal role in the age of information and intelligence. Integrated circuit components are an integral part high-performance multifunctional stretchable electronic devices. Therefore, it is ideal design concept for devices to not only ensure reliability connection between rigid inorganic circuits but also maintain stretchability device. In this work, we constructed mechanical gradient strategy fabricate Briefly, polyvinyl alcohol glue used fix integrated on circuits, which fabricated by printing liquid metal thermoplastic polyurethane nanofiber membrane. The (rigid)-polyvinyl (high elastic modulus)-thermoplastic membrane (low modulus)-liquid (liquid) realizes strain during stretching process device, thus ensuring stability reliability. Moreover, explored mechanism through experiments finite element analysis. flexible scheme ultra-stretchable (900%) have good comfort. As proof, application sensors, human-computer interaction devices, displays was realized.

Language: Английский

Liquid Metal Combinatorics toward Materials Discovery DOI
Dawei Wang, Jiao Ye, Yunlong Bai

et al.

Advanced Materials, Journal Year: 2023, Volume and Issue: 35(52)

Published: July 7, 2023

Abstract Liquid metals and their derivatives provide several opportunities for fundamental practical exploration worldwide. However, the increasing number of studies shortage desirable materials to fulfill different needs also pose serious challenges. Herein, address this issue, a generalized theoretical frame that is termed as “Liquid Metal Combinatorics” (LMC) systematically presented, summarizes promising candidate technical routes toward new generation material discovery. The major categories LMC are defined, eight representative methods manufacturing advanced outlined. It illustrated abundant targeted can be efficiently designed fabricated via through deep physical combinations, chemical reactions, or both among main bodies liquid metals, surface chemicals, precipitated ions, other materials. This represents large class powerful, reliable, modular innovating general achieved combinatorial not only maintained typical characteristics but displayed distinct tenability. Furthermore, fabrication strategies, wide extensibility, pivotal applications classified. Finally, by interpreting developmental trends in area, perspective on provided, which warrants its future society.

Language: Английский

Citations

35

Liquid metal flexible electronics: Past, present, and future DOI
Sen Chen, Ziliang Cui,

Hongzhang Wang

et al.

Applied Physics Reviews, Journal Year: 2023, Volume and Issue: 10(2)

Published: May 16, 2023

Flexible electronics is one of the most overwhelming and promising technologies available today, receiving widespread attention from both academia industry. As it continues to evolve, demands on flexible conductive materials are becoming increasingly prominent. Liquid metals (LMs), which combine compliance fluids with electrical conductivity metals, excellent candidates among various material options for fabricating electronics. Following more than a decade development, LM has become rather research field. This review aims provide comprehensive summary interpretation typical progress in so as promote further advancement area. First, modification strategies LMs, such oxidation composite approaches (doped particles or mixed polymers), systematically digested improve their performances increase formability involved. Furthermore, we divide into three major architectures (LM channels, printed electronics, LM/polymer electronics) introduce core patterning methods each type. In addition, an overview representative applications categories soft sensors, biomedicine, energy, electronic fabrics, etc. Finally, current challenges potential directions discussed. Overall, past progress, situation, future outlook outlined full view present article expected inspire tremendous new opportunities fundamental practical explorations coming time.

Language: Английский

Citations

31

Versatile Liquid Metal/Alginate Composite Fibers with Enhanced Flame Retardancy and Triboelectric Performance for Smart Wearable Textiles DOI Creative Commons

Xiulei Qi,

Yide Liu, Yu Lei

et al.

Advanced Science, Journal Year: 2023, Volume and Issue: 10(29)

Published: Aug. 7, 2023

Liquid metal (LM) shows the superiority in smart wearable devices due to its biocompatibility and electromagnetic interference (EMI) shielding. However, LM based fibers that can achieve multifunctional integrated applications with biodegradability remain a daunting challenge. Herein, versatile are fabricated first by sonication alginate solution obtain micro/nano droplets then wet-spinning into LM/alginate composite fibers. By mixing high-concentration (4-6 wt.%), stability (colloidal for > 30 d chemical 45 d) not only improved, but also facilitate spinning through bimetallic ions (e.g., Ga

Language: Английский

Citations

31

Controllable Flow and Manipulation of Liquid Metals DOI Creative Commons
Yahua He, Jing You, Michael D. Dickey

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 34(31)

Published: Oct. 20, 2023

Abstract This review summarizes the controllable flow and manipulation of gallium‐based liquid metals (e.g., eutectic gallium indium, EGaIn). There are generally only a few ways to handle fluids, but offer versatile control due their properties: 1) excellent fluidity, 2) adjustable surface tension, 3) electrically chemically oxides, 4) metallic electrical thermal conductivity, 5) ability alloy with other magnetic particles). These all‐in‐one properties empower exhibit in confined microchannels (steerable flow) from nozzles (printable flow), make susceptible various energy fields, including electric, magnetic, electromagnetic, wave, light fields. Consequently, enable intriguing morphological changes formation droplets/plugs, jets, fibers) motion jumping, bouncing, directional locomotion, rotation) new fluidic phenomena practical applications such as soft electronics robotics. aims present selective framework provide an insightful understanding for controlling shaping metals, thereby stimulating further research generating increased interest this topic.

Language: Английский

Citations

30

Room‐Temperature Liquid Metals for Flexible Electronic Devices DOI
Guixuan Lu,

Erli Ni,

Yanyan Jiang

et al.

Small, Journal Year: 2023, Volume and Issue: 20(9)

Published: Oct. 24, 2023

Abstract Room‐temperature gallium‐based liquid metals (RT‐GaLMs) have garnered significant interest recently owing to their extraordinary combination of fluidity, conductivity, stretchability, self‐healing performance, and biocompatibility. They are ideal materials for the manufacture flexible electronics. By changing composition oxidation RT‐GaLMs, physicochemical characteristics metal can be adjusted, especially regulation rheological, wetting, adhesion properties. This review highlights advancements in used Meanwhile related RT‐GaLMs underlying principles governing processing applications electronics elucidated. Finally, diverse circuits, sensors, energy harvesting devices, epidermal electronics, explored. Additionally, challenges hindering progress discussed, while proposing future research directions potential this emerging field. presenting a concise critical analysis, paper contributes advancement as an advanced material applicable new generation

Language: Английский

Citations

30

Gradient in-plane oriented porous carbon inspired by fabrication of toasts for elegant EMI shielding performance DOI

Zonglin Liu,

Guanghui Wang, Pengyang Li

et al.

Carbon, Journal Year: 2023, Volume and Issue: 207, P. 136 - 143

Published: March 8, 2023

Language: Английский

Citations

28

Functional Liquid Metal Polymeric Composites: Fundamentals and Applications in Soft Wearable Electronics DOI Creative Commons
Fang‐Cheng Liang, Benjamin C. K. Tee

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(31)

Published: March 22, 2024

Abstract Wearable and self‐healing soft electronics have led to a significant emphasis on their potential in creating versatile, conformable, sustainable electronic modules. Among conductive additives, Liquid metals (LMs), combining both solid liquid characteristics, gained widespread attention due versatile physical, chemical, electrical properties as well capability, biocompatibility, recyclability. The fluidity of LMs facilitates adaptability various experimental conditions components for specific applications. Moreover, the oxide shell exhibits strong compatibility with surface functionalization polymerization processes, enhancing development reliable composite materials. Herein, an in‐depth analysis fundamental characteristics while addressing current drawbacks, such unpredictable reactivity poor stability, is presented. To harness advantages LMs, integration extensively discussed polymeric materials through grafting strategies, leading macromolecular composites exceptional softness, solubility, functionalization, versatility. Furthermore, applications within LM‐elastomer composites, particularly focusing relevance fields flexible electronics, are investigated. Finally, LMs' future prospects emphasized by highlighting polymers, thereby providing pathways major breakthroughs based devices.

Language: Английский

Citations

13

Liquid Metal Grid Patterned Thin Film Devices Toward Absorption-Dominant and Strain-Tunable Electromagnetic Interference Shielding DOI Creative Commons
Yuwen Wei, Priyanuj Bhuyan, Suk Jin Kwon

et al.

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 16(1)

Published: July 17, 2024

The demand of high-performance thin-film-shaped deformable electromagnetic interference (EMI) shielding devices is increasing for the next generation wearable and miniaturized soft electronics. Although highly reflective conductive materials can effectively shield EMI, they prevent deformation owing to rigidity generate secondary pollution simultaneously. Herein, stretchable EMI thin film with absorption-dominant behavior presented. consist liquid metal (LM) layer LM grid-patterned separated by a elastomeric film, fabricated leveraging superior adhesion aerosol-deposited on elastomer. demonstrate high effectiveness (SE) (SE

Language: Английский

Citations

13

Continuous preparation of highly robust TPU/CNT conductive aerogel fibers with heterogeneous hierarchical structure for multifunctional applications DOI

Jiaxin Shen,

Chen Li,

Shisheng Hou

et al.

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 159569 - 159569

Published: Jan. 1, 2025

Language: Английский

Citations

1

Highly conductive fiber with design of dual conductive Ag/CB layers for ultrasensitive and wide‐range strain sensing DOI Creative Commons
Ben Niu, Su Hyun Yang,

Yiyi Yang

et al.

SmartMat, Journal Year: 2023, Volume and Issue: 4(6)

Published: Jan. 27, 2023

Abstract Recently the ever‐increasing demand for wearable electronics has greatly triggered development of flexible strain sensors. However, it is still challenging to simultaneously achieve high sensitivity, wide working range, and good wearability. Herein, we developed a highly stretchable fiber sensor based on wet‐spun porous polyurethane (PU) fiber, especially unique conductive network dual silver (Ag)/carbon black (CB) layers constructed. Under strain, rapid crack propagation brittle Ag layer brings large resistance change thus while tunneling‐effect dominated CB bridges separated islands maintain integrity pathways under strain. By means synergistic effect Ag/CB layers, this composite Ag/CB@PU presents not only conductivity 5139.9 S/m, but also ultrahigh sensitivity with gauge factor 2.52 × 10 6 range up 200%. Besides that, capable detecting very tiny 0.1% stably over 8000 cycles. Using mature weaving technology, can be seamlessly integrated into textile conformally track different movements human body. Together facile all‐solution‐based fabrication protocol, work proposed new strategy prepare high‐performance sensor, promising textile‐based applications.

Language: Английский

Citations

18