High‐Resolution Carbon‐Based Tactile Sensor Array for Dynamic Pulse Imaging DOI
Xin Tian,

Guanyin Cheng,

Zhonghuai Wu

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(46)

Published: June 10, 2024

Abstract With the development of modern medicine, importance continuous and reliable pulse wave monitoring has increased significantly in physiological evaluation disease diagnosis. Among them, 3D reconstruction is indispensable, needs rely on ultra‐high resolution sensor arrays, that is, high spatial resolution, temporal force resolution. Herein, a flexible high‐density 32 × tactile array based pressure‐sensitive tunneling mechanism develpoed. Conformal graphene nanowalls ( GNWs ) pattern arrays are deposited micro‐pyramidal structural Si substrate via mask‐assisted plasma enhanced chemical vapor deposition PECVD) method adopted as electrode, exhibiting 64 dots/cm 2 , sensitivity (222.36 kPa −1 short response time (2 ms). More importantly, HfO layer can effectively suppress noise current, which made it sense weak pressure signals with 1/1000 SNR 36.32 dB. By leveraging its high‐resolution array, more holistic acquired shape successfully replicated. This work shows sensors have significant promise for applications remote intelligent diagnostics.

Language: Английский

Age of Flexible Electronics: Emerging Trends in Soft Multifunctional Sensors DOI Creative Commons

Jeng‐Hun Lee,

Kilwon Cho, Jang‐Kyo Kim

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(16)

Published: Jan. 23, 2024

Abstract With the commercialization of first‐generation flexible mobiles and displays in late 2010s, humanity has stepped into age electronics. Inevitably, soft multifunctional sensors, as essential components next‐generation electronics, have attracted tremendous research interest like never before. This review is dedicated to offering an overview latest emerging trends sensors their accordant future development (R&D) directions for coming decade. First, key characteristics predominant target stimuli are highlighted. Second, important selection criteria introduced. Next, materials/structures identified. Specifically, R&D these envisaged based on trends, namely i) decoupling multiple stimuli, ii) data processing, iii) skin conformability, iv) energy sources. Finally, challenges potential opportunities discussed, new insights prospects fast‐emerging technology.

Language: Английский

Citations

95

Advances in Graphene-Based Electrode for Triboelectric Nanogenerator DOI Creative Commons
Bin Xie,

Yuanhui Guo,

Yun Chen

et al.

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

Published: Sept. 27, 2024

Abstract With the continuous development of wearable electronics, wireless sensor networks and other micro-electronic devices, there is an increasingly urgent need for miniature, flexible efficient nanopower generation technology. Triboelectric nanogenerator (TENG) technology can convert small mechanical energy into electricity, which expected to address this problem. As core component TENG, choice electrode materials significantly affects its performance. Traditional metal often suffer from problems such as durability, limits further application TENG. Graphene, a novel material, shows excellent prospects in TENG owing unique structure electrical properties. This review systematically summarizes recent research progress TENGs based on graphene electrodes. Various precision processing methods electrodes are introduced, applications electrode-based various scenarios well enhancement performance discussed. In addition, future also prospectively discussed, aiming promote advancement TENGs.

Language: Английский

Citations

57

An interlinked prediction-experiment paradigm discovering deep-ultraviolet fluorooxoborates with desired optical nonlinearity and birefringence DOI Creative Commons
Jie Zhang,

Chengfa Wu,

Hongsheng Shi

et al.

Matter, Journal Year: 2023, Volume and Issue: 6(4), P. 1188 - 1202

Published: March 8, 2023

Language: Английский

Citations

46

Flexible resistive tactile pressure sensors DOI
Q.S. Shu,

Yuncong Pang,

Qiqi Li

et al.

Journal of Materials Chemistry A, Journal Year: 2024, Volume and Issue: 12(16), P. 9296 - 9321

Published: Jan. 1, 2024

This review covers recent advancements in flexible resistive tactile pressure sensors, including operational principles, performance metrics, material choices, structural design, and applications, as well future challenges.

Language: Английский

Citations

32

Laser‐Induced Graphene‐Based Sensors in Health Monitoring: Progress, Sensing Mechanisms, and Applications DOI Creative Commons
Zihao Li, Libei Huang, Le Cheng

et al.

Small Methods, Journal Year: 2024, Volume and Issue: 8(11)

Published: April 10, 2024

Abstract The rising global population and improved living standards have led to an alarming increase in non‐communicable diseases, notably cardiovascular chronic respiratory posing a severe threat human health. Wearable sensing devices, utilizing micro‐sensing technology for real‐time monitoring, emerged as promising tools disease prevention. Among various platforms, graphene‐based sensors shown exceptional performance the field of micro‐sensing. Laser‐induced graphene (LIG) technology, cost‐effective facile method preparation, has gained particular attention. By converting polymer films directly into patterned materials at ambient temperature pressure, LIG offers convenient environmentally friendly alternative traditional methods, opening up innovative possibilities electronic device fabrication. Integrating LIG‐based health monitoring systems holds potential revolutionize management. To commemorate tenth anniversary discovery LIG, this work provides comprehensive overview LIG's evolution progress sensors. Delving diverse mechanisms sensors, recent research advances domain are explored. Furthermore, opportunities challenges associated with briefly discussed.

Language: Английский

Citations

27

Toward Integrated Multifunctional Laser-Induced Graphene-Based Skin-Like Flexible Sensor Systems DOI
Kaichen Xu, Zimo Cai, Huayu Luo

et al.

ACS Nano, Journal Year: 2024, Volume and Issue: 18(39), P. 26435 - 26476

Published: Sept. 17, 2024

The burgeoning demands for health care and human-machine interfaces call the next generation of multifunctional integrated sensor systems with facile fabrication processes reliable performances. Laser-induced graphene (LIG) highly tunable physical chemical characteristics plays vital roles in developing versatile skin-like flexible or stretchable systems. This Progress Report presents an in-depth overview latest advances LIG-based techniques applications sensors. First, merits LIG technique are highlighted especially as building blocks sensors, followed by description various methods its variants. Then, focus is moved to diverse including electrophysiological Mechanisms advantages these scenarios described detail. Furthermore, representative paradigms presented show capabilities multipurpose applications. signal cross-talk issues discussed possible strategies. technology functionalities coupled other strategies will enable high-performance next-generation skin electronics.

Language: Английский

Citations

26

Ag–thiolate interactions to enable an ultrasensitive and stretchable MXene strain sensor with high temporospatial resolution DOI Creative Commons
Yang Liu, Zijun Xu, Xinyi Ji

et al.

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: June 25, 2024

Abstract High-sensitivity strain sensing elements with a wide range, fast response, high stability, and small areas are desirable for constructing sensor arrays temporospatial resolution. However, current sensors rely on crack-based conductive materials having an inherent tradeoff between their area performance. Here, we present molecular-level crack modulation strategy in which use layer-by-layer assembly to introduce strong, dynamic, reversible coordination bonds MXene silver nanowire-matrixed film. We this approach fabricate stretchable very (0.25 mm 2 ). It also exhibits ultrawide working range (0.001–37%), sensitivity (gauge factor ~500 at 0.001% >150,000 35%), response time, low hysteresis, excellent long-term stability. Based high-performance element facile process, array device density of 100 per cm is realized. demonstrate the practical high-density as multichannel pulse system monitoring pulses terms spatiotemporal

Language: Английский

Citations

25

Bending and Stretching‐Insensitive, Crosstalk‐Free, Flexible Pressure Sensor Arrays for Human‐Machine Interactions DOI
Yangbo Yuan, Hongcheng Xu, Weihao Zheng

et al.

Advanced Materials Technologies, Journal Year: 2024, Volume and Issue: 9(5)

Published: Jan. 10, 2024

Abstract Accurate data acquisition from flexible sensors placed on deformable 3D freeform surfaces is of critical importance for many applications, such as wearable electronics, human‐machine interfaces, and soft robotics. However, the mechanical coupling between sensor subject surface to bending stretching deformations can significantly reduce accuracy acquired data. This study combines a polyimide (PI) micropore isolation layer (PIL) serpentine electrodes with piezoresistive mitigate issue coupling. As buffer distribute external pressure strain concentration, PIL avoid interference curvature up 256 m −1 , while maintaining high sensitivity S > 21.5 kPa . The electrode design further allows reliably acquire in presence 45% without cross‐talk. versatility developed demonstrated several interaction scenarios, including gesture recognition motion detection. strategies materials structures this also be applied development other low deformation surface.

Language: Английский

Citations

23

Flexible Pressure Sensor Composed of Multi-Layer Textile Materials for Human–Machine Interaction Applications DOI
Dakai Wang, Guoliang Ma, Xiangxiang Zhang

et al.

ACS Sensors, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 2, 2025

Flexible pressure sensors have shown significant application prospects in fields such as artificial intelligence and precision manufacturing. However, most flexible are often prepared using polymer materials precise micronano processing techniques, which greatly limits the widespread of sensors. Here, this work chooses textile material construction for sensor, its latitude longitude structure endows sensor with a natural structure. The was designed multilayer stacking strategy by combining two-dimensional MXene materials. experiment shows that sensitivity is 52.08 kPa

Language: Английский

Citations

2

Rapid Thermal Runaway Detection of Lithium-Ion Battery via Swelling-Based State-of-Charge Monitoring Using Piezoresistive Sponge Sensor DOI
Joohyung Bang, Byungkwon Chun, Minhyeok Kim

et al.

eTransportation, Journal Year: 2025, Volume and Issue: unknown, P. 100404 - 100404

Published: Feb. 1, 2025

Language: Английский

Citations

2