Highly Flexible and Compressible 3D Interconnected Graphene Foam for Sensitive Pressure Detection DOI Creative Commons
Wentao Li, Jianxin Zhou, Wei Sheng

et al.

Micromachines, Journal Year: 2024, Volume and Issue: 15(11), P. 1355 - 1355

Published: Nov. 7, 2024

A flexible pressure sensor, capable of effectively detecting forces exerted on soft or deformable surfaces, has demonstrated broad application in diverse fields, including human motion tracking, health monitoring, electronic skin, and artificial intelligence systems. However, the design convenient sensors with high sensitivity excellent stability is still a great challenge. Herein, we present multi-scale 3D graphene sensor composed two types foam. The exhibits 0.42 kPa

Language: Английский

Large‐Area Conductor‐Loaded PDMS Flexible Composites for Wireless and Chipless Electromagnetic Multiplexed Temperature Sensors DOI Creative Commons
Benjamin King, Nikolas Bruce, Mahmoud Wagih

et al.

Advanced Science, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 28, 2025

Abstract Capacitive dielectric temperature sensors based on polydimethylsiloxane (PDMS) loaded with 10 vol% of inexpensive, commercially‐available conductive fillers including copper, graphite, and milled carbon fiber (PDMS‐CF) powders are reported. The tested in the range 20–110 °C from 0.5 to 200 MHz, enhanced sensitivity 20 60 °C, a relative response 85.5% at MHz for PDMS‐CF capacitors. capacitors interrogated as sensing element wirelessly coupled chipless resonant coils tuned 6.78 frequency ( f r ) sensor, demonstrating an average 0.38% −1 , 40x improvement over pristine PDMS capacitive sensor outperforms state‐of‐the‐art frequency‐domain radio sensors. Exploiting its high sensitivity, wireless platform is using low‐cost, portable, open‐source NanoVNA 48.5%, good agreement instrumentation‐grade vector network analyzers (VNAs) negligible change performance reading distances humidities. Finally, tag demonstrated rapid, reversible dynamic changes temperature, well first scalable, multiplexed array spatial detection.

Language: Английский

Citations

1

Impact of In-Situ Functionalization of Carbon Nanotubes Using Bis(Triethoxysilylpropyl) Tetrasulfide on the Properties of EPDM/SBR–CNT Composites DOI

S. Vishvanathperumal,

K. N. Ramu,

V. Navaneethakrishnan

et al.

Journal of Inorganic and Organometallic Polymers and Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 19, 2024

Language: Английский

Citations

7

Multifunctional pressure and humidity sensor modulated by electrostatic interactions and hydrogen bonds for wearable health monitoring DOI
Xiaohui Guo,

Xiaowen Zhu,

Qiang Long

et al.

Journal of Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 678, P. 1061 - 1072

Published: Sept. 10, 2024

Language: Английский

Citations

6

Self‐Adhesive Electronic Skin with Bio‐Inspired 3D Architecture for Mechanical Stimuli Monitoring and Human‐Machine Interactions DOI
Wenxue Dai, Ming Lei,

Ziyi Dai

et al.

Small, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 2, 2024

Abstract Recent development of wearable devices is revolutionizing the way artificial electronic skins (E‐skin), physiological health monitoring and human‐machine interactions (HMI). However, challenge remains to fit flexible human skin with conformal deformation identifiable electrical feedback according mechanical stimuli. Herein, an adhesive E‐skin developed that can firmly attach on for stimuli perception. The laser‐induced layer serves as essential component ensure attachment curved surface, which ensures accurate conversion from precise readouts. Especially, 3D architecture facilitates non‐overlapping outputs bi‐directional joint bending distinguishes strain/pressure. optimized bio‐inspired micro‐cilia exhibited significantly improved sensing performances sensitivity 0.652 kPa −1 in 0–4 gauge factor 8.13 strain (0–15%) robustness. Furthermore, distinguish inward/outward behaviors, allowing establishment ternary system expand communication capacity logic such effective Morse code intelligent control. It expects serve a functional bridge between terminals applications daily efficient HMI.

Language: Английский

Citations

6

Review on Cutting-Edge Innovations in Carbon Nanomaterials Reinforced Silicone Rubber Composites for Flexible Electronics and Healthcare Devices DOI
Vineet Kumar, Nargish Parvin, Sang‐Shin Park

et al.

ACS Applied Polymer Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 14, 2024

Silicone rubber has emerged as a versatile material with significant advancements driving its application in flexible electronics and healthcare devices. This review explores the cutting-edge innovations silicone carbon nanomaterials-based composites, emphasizing unique properties that make it suitable for next-generation technology from latest literature survey years 2019–2024. In electronics, rubber's mechanical flexibility, electrical conductivity, thermal stability are highlighted, alongside modern manufacturing techniques such printing technologies layering processes. Key applications including wearable devices, displays, sensors examined their enhanced performance adaptability. realm of healthcare, biocompatibility safety nanomaterial-based composites paramount, enabling use biomedical actuators. delves into heart rate monitors, pressure sensors, drug delivery systems, prosthetics, showcasing material's transformative impact on medical technology. Additionally, integration piezoelectric generators is discussed. Then, revelation synergistic enhance energy harvesting device responsiveness, particularly The also addresses technical market challenges facing broader adoption, offering insights future research directions promise further innovations. underscores critical role shaping these dynamic fields. It provides comprehensive analysis current potential

Language: Английский

Citations

4

Wearable strain sensing skin with visual and stable structural color and electrical response for real-time monitoring DOI
Yingqi Ren, Zheng Huang, Yongzheng Fang

et al.

Sensors and Actuators A Physical, Journal Year: 2025, Volume and Issue: unknown, P. 116376 - 116376

Published: March 1, 2025

Language: Английский

Citations

0

Modelling and Optimisation of Hysteresis and Sensitivity of Multicomponent Flexible Sensing Materials DOI Creative Commons
Kai Chen,

Qiang Gao,

Yijin Ouyang

et al.

Applied Sciences, Journal Year: 2025, Volume and Issue: 15(6), P. 3271 - 3271

Published: March 17, 2025

The development of high-performance polymeric sensing materials is urgently needed for the force sensors. Hysteresis and sensitivity are considered to be one two key metrics evaluating performance sensors, their performance-influencing factors optimisation models have not been addressed. In this paper, a new Kepler algorithm (HKOA) long short-term memory network model (HKOA-LSTM) based on HKOA proposed, analytical hysteresis derived, respectively. First, multifactor experiments were conducted obtain experimental data prediction models; constructed using response surface methodology (RSM), Random Forest (RF), (LSTM) network, HKOA-LSTM. Next, four evaluated; comparison results show that HKOA-LSTM performs best. Finally, optimal solution obtained multi-objective RIME (MORIME) algorithm. findings indicate 3.279% an average 0.046 kPa⁻1 across broad pressure range 0–30 kPa when Fe₃O₄ content 0.665 g, carbon nanotube (CNT) 1.098 multilayer graphene (MLG) 0.99 moulding temperature (MT) 67 °C. simulation outcomes closely align with test values, exhibiting relative errors 0.765% 0.434%, Furthermore, in study shows significant enhancement compared prior research, improved by 31% increased 26%. This approach enhances efficiency reduces costs. It also offers novel strategy large-scale, rapid fabrication flexible sensor materials.

Language: Английский

Citations

0

Wearable flexible sensors based on dual-network ionic hydrogels with xanthan gum/sodium alginate/polyacrylamide/gallium indium alloy DOI
Yao Liu, Deliang Chen,

Panpan Gu

et al.

International Journal of Biological Macromolecules, Journal Year: 2025, Volume and Issue: unknown, P. 142749 - 142749

Published: April 1, 2025

Language: Английский

Citations

0

Highly Programmable Haptic Decoding and Self‐Adaptive Spatiotemporal Feedback Toward Embodied Intelligence DOI

Wansheng Lin,

Yijing Xu,

Shifan Yu

et al.

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

Published: April 14, 2025

Abstract Intelligent robots, equipped with perception, cognition, and learning capabilities, are transforming the manner by which complex tasks approached, enhancing autonomy, efficiency, adaptability. By contrast, conventional robotics typically struggle precision reliability in such as grasping recognition owing to their limited sensing feedback mechanisms. To achieve advanced applications, robots require sophisticated spatiotemporal adjust actions dynamically, poses a significant challenge pressure‐decoupling capability. Herein, high‐performance programmable event‐driven (PED) haptic interface real‐time, self‐regulating feedback, empowering dynamic adaptation force optimization is introduced. The PED features gradient pyramid metasurface‐like structure, emulates perception of human skin decode tactile data. Compared devices, offers improvements detection range sensitivity 300% 350%, respectively. integrating cutting‐edge technology artificial intelligence, conceptualized intelligent agent developed that autonomously understands unstructured environments avoid self‐damage or object damage without external intervention. This breakthrough not only new research avenues but also significantly advances foundation embodied particularly simulating cognition.

Language: Английский

Citations

0

Wide-Range, Washable Piezoresistive Pressure Sensor Based on MCNT-PDMS Dip-Coated PDMS Sponge DOI Creative Commons
Kun Luo,

Xinyi Wang,

Tao Xue

et al.

Micromachines, Journal Year: 2025, Volume and Issue: 16(4), P. 477 - 477

Published: April 17, 2025

Flexible pressure sensors have great potential for wearable applications such as human health monitoring and human–computer interaction, which require different trade-offs between the sensitivity operating range. However, preparing washable wide-range piezoresistive remains a challenge. Here, we developed porous flexible elastomer sponge based on carbon nanotube composite network coating with extremely high stability washability over wide Specifically, sugar template was used to fabricate homogeneous macroporous PDMS substrate, dip-coated MCNT-PDMS conductive layer. The degree of adhesion formed substrate layer resulted in greatly enhanced mechanical properties stability, while improving exhibited broad range 0–650 kPa, demonstrating excellent (0.0049 kPa−1 0–74 0.0010 74–310 0.0004 310–650 kPa), well fast response time 143 ms recovery 73 ms, long-term cycling 10,000 cycles, stability. Finally, demonstrate that can be applied gesture monitoring, motion gait monitoring.

Language: Английский

Citations

0