A High‐Sensitive Rubber‐Based Sensor with Integrated Strain and Humidity Responses Enabled by Bionic Gradient Structure DOI
Yunpeng Yang,

Lingli Kong,

Bai Huang

et al.

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

Published: April 8, 2024

Abstract Real‐time detection of different physiological characteristics is crucial for human physical and mental health. A system with multimodal sensing capability, high sensitivity, excellent mechanical properties, environmental stability highly desirable, but it still a great challenge. Inspired by the structural gradient biological tissues, multifunctional sensor based on carboxylic styrene butadiene rubber (XSBR) sodium polyacrylate (PAANa) non‐covalently modified MXenes prepared in this study, which exhibit distribution simultaneously formed an orientation arrangement at bottom matrix through formation hydrogen bonding interactions PAANa. The material shows considerable stretchability 244% strength 7.67 MPa, electrical conductivity 55.40 S m ‒1 , low percolation threshold 2.48 wt%, response to strain (gauge factor 906.7 within 98% strain) humidity (relative resistance change 530% 11–93% relative humidity). Based superior performances XSBR/PAANa/MXene composite, integrated designed accurately detect respiration body movements various scales. This work provides new perspective development novel biomimetic functional applications.

Language: Английский

Naturally sourced hydrogels: emerging fundamental materials for next-generation healthcare sensing DOI
Zhenwu Wang, Hua Wei, Youju Huang

et al.

Chemical Society Reviews, Journal Year: 2023, Volume and Issue: 52(9), P. 2992 - 3034

Published: Jan. 1, 2023

The flourishing development of flexible healthcare sensing systems is inseparable from the fundamental materials with application-oriented mechanical and electrical properties. Thanks to continuous inspiration our Mother Nature, hydrogels originating natural biomass are attracting growing attention for their structural functional designs owing unique chemical, physical biological These highly efficient architectural enable them be most promising candidates electronic devices. This comprehensive review focuses on recent advances in naturally sourced constructing multi-functional sensors applications thereof. We first briefly introduce representative polymers, including polysaccharides, proteins, polypeptides, summarize physicochemical design principles fabrication strategies hydrogel based these polymers outlined after material properties required presented. then highlight various techniques devices, illustrate examples wearable or implantable bioelectronics pressure, strain, temperature, biomarker field systems. Finally, concluding remarks challenges prospects hydrogel-based provided. hope that this will provide valuable information next-generation build a bridge between as matter an applied target accelerate new near future.

Language: Английский

Citations

201

Humidity-sensitive chemoelectric flexible sensors based on metal-air redox reaction for health management DOI Creative Commons
Shuo Li, Yong Zhang, Xiaoping Liang

et al.

Nature Communications, Journal Year: 2022, Volume and Issue: 13(1)

Published: Sept. 15, 2022

Numerous studies have shown flexible electronics play important roles in health management. The way of power supply is always an essential factor devices and self-powered ones are very attractive because the fabrication easiness, usage comfort aesthetics system. In this work, based on metal-air redox reaction, which usually used designing batteries, we design a chemoelectric humidity sensor where silk fibroin (SF) LiBr gel matrix containing parallel aligned graphene oxide (GO) flakes serve as electrolyte. abundant hydrophilic groups GO/SF hygroscopicity lead to tight dependence output current humidity, enabling high sensitivity (0.09 μA/s/1%), fast response (1.05 s) quick recovery (0.80 s). As proofs concept, all-in-one respiratory monitoring-diagnosing-treatment system non-contact human-machine interface, demonstrating applications

Language: Английский

Citations

167

Monitoring blood pressure and cardiac function without positioning via a deep learning–assisted strain sensor array DOI Creative Commons
Shuo Li, Haomin Wang, Wei Ma

et al.

Science Advances, Journal Year: 2023, Volume and Issue: 9(32)

Published: Aug. 11, 2023

Continuous and reliable monitoring of blood pressure cardiac function is great importance for diagnosing preventing cardiovascular diseases. However, existing approaches are bulky costly, limiting their wide applications early diagnosis. Here, we developed an intelligent system based on a conformal flexible strain sensor array deep learning neural networks. The has variety advantages, including high sensitivity, linearity, fast response recovery, isotropy. Experiments simulation synergistically verified that the can acquire high-precise feature-rich pulse waves from wrist without precise positioning. By combining high-quality with well-trained model, monitor parameters. As proof concept, further constructed wearable real-time long-term function, which may contribute to personalized health management, diagnosis, remote treatment.

Language: Английский

Citations

135

2D Materials in Flexible Electronics: Recent Advances and Future Prospectives DOI
Ajit K. Katiyar, Anh Tuan Hoang, Duo Xu

et al.

Chemical Reviews, Journal Year: 2023, Volume and Issue: 124(2), P. 318 - 419

Published: Dec. 6, 2023

Flexible electronics have recently gained considerable attention due to their potential provide new and innovative solutions a wide range of challenges in various electronic fields. These require specific material properties performance because they need be integrated into variety surfaces or folded rolled for newly formatted electronics. Two-dimensional (2D) materials emerged as promising candidates flexible unique mechanical, electrical, optical properties, well compatibility with other materials, enabling the creation devices. This article provides comprehensive review progress made developing devices using 2D materials. In addition, it highlights key aspects scalable production, device fabrication processes applications, along important examples demonstrations that achieved breakthroughs wearable applications. Finally, we discuss opportunities, current challenges, solutions, future investigative directions about this field.

Language: Английский

Citations

113

Cellulose template-based triboelectric nanogenerators for self-powered sensing at high humidity DOI

Wanglin Zhang,

Xianghui Chen, Jiamin Zhao

et al.

Nano Energy, Journal Year: 2023, Volume and Issue: 108, P. 108196 - 108196

Published: Jan. 9, 2023

Language: Английский

Citations

107

Carbon‐Based Flexible Devices for Comprehensive Health Monitoring DOI
Haomin Wang, Shuo Li, Haojie Lü

et al.

Small Methods, Journal Year: 2023, Volume and Issue: 7(2)

Published: Jan. 8, 2023

Abstract Traditional public health systems suffer from incomprehensive, delayed, and inefficient medical services. Convenient comprehensive monitoring has been highly sought after recently. Flexible wearable devices are attracting wide attention due to their potential applications in human care systems. Using carbon materials with overall superiorities can facilitate the development of flexible various functions excellent performance, which comprehensively real‐time monitor status prevent diseases. Herein, latest advances rational design controlled fabrication for health‐related electronics reviewed. The strategies, working mechanism, carbon‐based devices, including electromechanical sensors, temperature/humidity chemical conductive wires/electrodes, Furthermore, integrating multiple into multifunctional is discussed. Finally, existing challenges future opportunities this field also proposed.

Language: Английский

Citations

97

Electrochemical humidity sensor enabled self-powered wireless humidity detection system DOI
Mingxiang Zhang, Zaihua Duan, Boyu Zhang

et al.

Nano Energy, Journal Year: 2023, Volume and Issue: 115, P. 108745 - 108745

Published: July 31, 2023

Language: Английский

Citations

94

Sustainable Triboelectric Materials for Smart Active Sensing Systems DOI
Zhiting Wei, Jinlong Wang, Yanhua Liu

et al.

Advanced Functional Materials, Journal Year: 2022, Volume and Issue: 32(52)

Published: Oct. 26, 2022

Abstract With the vigorous development of Internet Things and artificial intelligence, active sensing system based on triboelectric nanogenerators plays an excellent performance potential application value as a pioneering technology for smart manufacturing. Nevertheless, achieving material innovation to strike good balance between systems environmental friendliness remains difficult task. As most abundant biopolymer earth, sustainability cellulose are great importance systems. This review intends provide new perspective design fabricate cellulosic materials self‐powered Herein, structure advantageous properties briefly described. Furthermore, structure–property–application relationship is addressed from optimization. Next, latest applications comprehensively described in fields such monitoring, home, medical, human–machine interaction, everything. Lastly, current challenges future developments sensor presented.

Language: Английский

Citations

72

Power generation humidity sensor based on NaCl/halloysite nanotubes for respiratory patterns monitoring DOI
Yao‐Wen Jiang, Zaihua Duan,

Zongxiao Fan

et al.

Sensors and Actuators B Chemical, Journal Year: 2023, Volume and Issue: 380, P. 133396 - 133396

Published: Jan. 20, 2023

Language: Английский

Citations

69

Low-dimensional nanostructures for monolithic 3D-integrated flexible and stretchable electronics DOI
Qilin Hua, Guozhen Shen

Chemical Society Reviews, Journal Year: 2024, Volume and Issue: 53(3), P. 1316 - 1353

Published: Jan. 1, 2024

Low-dimensional nanostructures, with their small size, unique characteristics, flexible/elastic adaptability, and effective vertical stacking capability, play a crucial role in advancing monolithic 3D-integrated flexible/stretchable systems.

Language: Английский

Citations

64