Liquid metal–hydrogel composites for flexible electronics DOI
Jianhui Chen, Gongwei Tian,

Cuiyuan Liang

et al.

Chemical Communications, Journal Year: 2023, Volume and Issue: 59(97), P. 14353 - 14369

Published: Jan. 1, 2023

As an emerging functional material, liquid metal–hydrogel composites exhibit excellent biosafety, high electrical conductivity, tunable mechanical properties etc., providing a unique platform for wide range of flexible electronics applications.

Language: Английский

Stretchable graphene–hydrogel interfaces for wearable and implantable bioelectronics DOI
Yuyao Lu, Geng Yang, Shenqiang Wang

et al.

Nature Electronics, Journal Year: 2023, Volume and Issue: 7(1), P. 51 - 65

Published: Dec. 14, 2023

Language: Английский

Citations

206

Liquid Metal Patterning and Unique Properties for Next‐Generation Soft Electronics DOI Creative Commons
Minwoo Kim, Hyungjun Lim, Seung Hwan Ko

et al.

Advanced Science, Journal Year: 2023, Volume and Issue: 10(6)

Published: Jan. 15, 2023

Room-temperature liquid metal (LM)-based electronics is expected to bring advancements in future soft owing its conductivity, conformability, stretchability, and biocompatibility. However, various difficulties arise when patterning LM because of rheological features such as fluidity surface tension. Numerous attempts are made overcome these difficulties, resulting LM-patterning methods. An appropriate choice method based on comprehensive understanding necessary fully utilize the unique properties. Therefore, authors aim provide thorough knowledge about methods properties for LM-based electronics. First, essential considerations investigated. Then, methods-serial-patterning, parallel-patterning, intermetallic bond-assisted patterning, molding/microfluidic injection-are categorized Finally, perspectives with provided. They include outstanding biocompatibility, permeability, restorability, recyclability. Also, they areas radio frequency electronics, robots, heterogeneous catalyst. devices permeate daily lives if aforementioned analyzed utilized.

Language: Английский

Citations

68

Strain-Insensitive Outdoor Wearable Electronics by Thermally Robust Nanofibrous Radiative Cooler DOI

Yeongju Jung,

Minwoo Kim, Seong‐Min Jeong

et al.

ACS Nano, Journal Year: 2024, Volume and Issue: 18(3), P. 2312 - 2324

Published: Jan. 8, 2024

Stable outdoor wearable electronics are gaining attention due to challenges in sustaining consistent device performance outdoors, where sunlight exposure and user movement can disrupt operations. Currently, researchers have focused on integrating radiative coolers into devices for thermal management. However, these approaches often rely heat-vulnerable thermoplastic polymers strain-susceptible conductors that unsuitable electronics. Here, we introduce mechanically, electrically, thermally stable even when they stretched under address challenges. This achievement is realized by a polydimethylsiloxane nanofibrous cooler liquid metal fully device. The robust architecture of nanofibers, based their inherent properties as thermoset polymers, exhibits excellent cooling through high solar reflection emission. Additionally, laser-patterned possess ideal electronics, including strain-insensitivity, nonsmearing behavior, negligible contact resistance. As proof, developed integrated with electromechanically components accurately detect physiological signals harsh environments, light exposure, while up 30%. work highlights the potential development everyday capable reliable operation challenging external conditions, user-activity-induced stress exposure.

Language: Английский

Citations

31

Recent Development of Implantable Chemical Sensors Utilizing Flexible and Biodegradable Materials for Biomedical Applications DOI
Hu Chen, Liu Wang, Shangbin Liu

et al.

ACS Nano, Journal Year: 2024, Volume and Issue: 18(5), P. 3969 - 3995

Published: Jan. 25, 2024

Implantable chemical sensors built with flexible and biodegradable materials exhibit immense potential for seamless integration biological systems by matching the mechanical properties of soft tissues eliminating device retraction procedures. Compared conventional hospital-based blood tests, implantable have capability to achieve real-time monitoring high accuracy important biomarkers such as metabolites, neurotransmitters, proteins, offering valuable insights clinical applications. These innovative could provide essential information preventive diagnosis effective intervention. To date, despite extensive research on bioresorbable electronics, development has faced several challenges related design, resulting in only a limited number successful accomplishments. This review highlights recent advancements based materials, encompassing their sensing strategies, geometric configurations. The following discussions focus demonstrated detection various objects including ions, small molecules, few examples macromolecules using and/or sensors. Finally, we will present current explore future directions.

Language: Английский

Citations

30

Liquid Metal@Silk Fibroin Peptide Particles Initiated Hydrogels with High Toughness, Adhesion, and Conductivity for Portable and Continuous Electrophysiological Monitoring DOI Open Access
Xueling Yan, Zelin Liu, Yubing Fu

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 21, 2025

Abstract Hydrogel‐based electrodes are widely used in electrophysiological monitoring for personal disease prevention and home‐based healthcare. However, limited by the hydrogels’ low toughness, poor adhesion, weak electrical stability, motion artifacts device detachments inevitable after long‐term, continuous monitoring. Herein, novel liquid metal@silk fibroin peptide (LM@SF) core‐shell particles, which shell SF not only facilitates core LM's dispersion but also stabilizes free radicals, designed to initiate situ formation of hydrogel while simultaneously enhancing its conductivity. As applied monitoring, can maintain both a stable physical interface transmission skin, thus promoting signal acquisition quality obviously even during exercise long‐term wearing. At last, portable flexible patch with small volume (70 × 35 2 mm) light weight (7 g) is developed achieve electrocardiogram (ECG) via wireless transmission, demonstrating high potentials telemedicine.

Language: Английский

Citations

3

Transparent Self‐Healing Anti‐Freezing Ionogel for Monolayered Triboelectric Nanogenerator and Electromagnetic Energy‐Based Touch Panel DOI
Yifan Xia, Yan Zhu, Xinrong Zhi

et al.

Advanced Materials, Journal Year: 2023, Volume and Issue: 36(8)

Published: Dec. 1, 2023

Abstract The advent of Internet Things and artificial intelligence era necessitates the advancement self‐powered electronics. However, prevalent multifunctional electronics still face great challenges in rigid electrodes, stacked layers, external power sources to restrict development flexible Here, a transparent, self‐healing, anti‐freezing (TSA) ionogel composed fluorine‐rich ionic liquid fluorocarbon elastomer, which is engineered for monolayered triboelectric nanogenerators (M‐TENG) electromagnetic energy‐based touch panels developed. Notably, TSA‐ionogel exhibits remarkable features including outstanding transparency (90%), robustness (253 K), impressive stretchability (600%), repetitive self‐healing capacity. resultant M‐TENG achieves significant output density (200 mW m −2 ) sustains operational stability beyond 1 year. Leveraging this performance, adeptly harnessed biomechanical energy harvesting, control interface, electroluminescent devices, enabling wireless over electrical appliances. Furthermore, harnessing Faraday's induction law exploiting human body's intrinsic antenna properties, seamlessly transforms into an autonomous epidermal panel. This panel offers impeccable input capabilities through word inscription participation Chinese game Go. Consequently, TSA‐ionogel's innovation holds potential reshape trajectory next‐generation profoundly revolutionize paradigm human–machine interaction.

Language: Английский

Citations

44

Recent advances in the material design for intelligent wearable devices DOI
Yuhang Wu,

Yuwen Li,

Tao Ye

et al.

Materials Chemistry Frontiers, Journal Year: 2023, Volume and Issue: 7(16), P. 3278 - 3297

Published: Jan. 1, 2023

A flexible sensor is a key part of intelligent wearable devices. The design micro–nano structured materials in sensors crucial. Therefore, the recent application devices summarized.

Language: Английский

Citations

38

Liquid Metal based Stretchable Room Temperature Soldering Sticker Patch for Stretchable Electronics Integration DOI
Minwoo Kim,

Jung Jae Park,

Chulmin Cho

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(36)

Published: May 11, 2023

Abstract Researchers are eagerly developing various stretchable conductors to fabricate devices for next‐generation electronics. Most of the major problems in electronics happen at connection between rigid and soft parts development reliable soldering material is a hurdle Though there attempts devise new processes integrating chips conductors, they still possess limitations such as mechanical stability, mass production, sophisticated processes, restricted candidates substrates. Here, this study presents room‐temperature universal sticker‐like process that can stretchably solder multiple spots once directly fabricates device an situ manner while target conductor installed on one's body. The developed research possesses high conductivity with unique freestanding feature enabling process. It be elongated when positioned chip conductor, demonstrating its extraordinary stretchability. expected simple but technique utilizing invented will allow integration functional highly advanced

Language: Английский

Citations

33

Failure mechanisms in flexible electronics DOI Creative Commons

Zhehui Zhao,

Haoran Fu,

Ruitao Tang

et al.

International Journal of Smart and Nano Materials, Journal Year: 2023, Volume and Issue: 14(4), P. 510 - 565

Published: Sept. 27, 2023

The rapid evolution of flexible electronic devices promises to revolutionize numerous fields by expanding the applications smart devices. Nevertheless, despite this vast potential, reliability these innovative currently falls short, especially in light demanding operation environment and intrinsic challenges associated with their fabrication techniques. heterogeneity processes environments gives rise unique failure modes throughout devices' lifespan. To significantly enhance assure long-term performance, it is paramount comprehend underpinning mechanisms thoroughly, thereby enabling optimal design solutions. A myriad investigative efforts have been dedicated unravel mechanisms, utilizing a spectrum tools from analytical models, numerical methods, advanced characterization methods. This review delves into root causes device failure, scrutinizing both process environment. Next, We subsequently address across four commonly observed modes: strength fatigue interfacial electrical followed an overview targeted methods each mechanism. Concluding outlook, we spotlight ongoing promising directions for future research our pursuit highly resilient

Language: Английский

Citations

32

A review on thermal and electrical behaviours of liquid metal-based polymer composites DOI
Li‐Chuan Jia,

Yun-Fei Yue,

Jianfeng Zeng

et al.

Journal of Materials Chemistry C, Journal Year: 2023, Volume and Issue: 11(38), P. 12807 - 12827

Published: Jan. 1, 2023

Liquid metals (LM) have attracted tremendous attention in the last decade, especially fabrication of LM-based polymer composites (LMPCs), due to unique combination their metallic and fluidic properties.

Language: Английский

Citations

31