Flexible Piezoelectric 0–3 PZT@C/PDMS Composite Films for Pressure Sensor and Limb Motion Monitoring DOI Open Access

Chungang Li,

Chao Li, Yingzi Wang

et al.

Coatings, Journal Year: 2024, Volume and Issue: 14(10), P. 1269 - 1269

Published: Oct. 3, 2024

The flexible piezoelectric pressure sensor is essential in areas such as machine sensing and human activity monitoring. Here, 0-dimensional PZT ceramic nanoparticles with carbon coating were synthesized by a surface-modified technique. excellent electrical conductivity of the shell causes redistribution accumulation mobile charges layer, resulting greatly increased effect inducing an enhanced electric field. A series organic–inorganic composite films prepared spin-coating method using polydimethylsiloxane (PDMS) matrix. as-fabricated PZT@C/PDMS film 40 wt% PZT@C powder exhibits output voltage ~74 V, peak current ~295 nA, well big sensitivity 5.26 V N−1. Moreover, can be used to detect changes force for monitoring limb movements finger flexion, wrist pedaling. This study reveals promising applications 40%PZT@C/PDMS motion sensing.

Language: Английский

Recent Progress in Flexible Piezoelectric Tactile Sensors: Materials, Structures, Fabrication, and Application DOI Creative Commons

Jinsheng Tang,

Yiheng Li,

Yirong Yu

et al.

Sensors, Journal Year: 2025, Volume and Issue: 25(3), P. 964 - 964

Published: Feb. 5, 2025

Flexible tactile sensors are widely used in aerospace, medical and health monitoring, electronic skin, human–computer interaction, other fields due to their unique advantages, thus becoming a research hotspot. The goal is develop flexible sensor characterized by outstanding sensitivity, extensive detection range linearity, elevated spatial resolution, commendable adaptability. Among several strategies like capacitive, piezoresistive, triboelectric sensors, etc., we focus on piezoelectric because of self-powered nature, high quick response time. These can respond wide dynamic mechanical stimuli turn them into measurable electrical signals. This makes it possible accurately detect objects, including shapes textures, for sense touch real work encapsulates current advancements focusing enhanced material properties, optimized structural design, improved fabrication techniques, broadened application domains. We outline the challenges facing provide inspiration guidance future development.

Language: Английский

Citations

2

A Dual-Mode Transparent Flexible Pressure Sensor Array for Tactile Sensing Visualization DOI
Chenyu Fang, Leilei Zhao, Wanwan Su

et al.

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 161618 - 161618

Published: March 1, 2025

Language: Английский

Citations

0

Highly sensitive and omnidirectional anisotropic piezoelectric sensors based on oriented PbZr0.52Ti0.48O3 fibers with intrinsic flexibility DOI
Mingyu Lu, Li Zeng,

Chenhui Jiang

et al.

Journal of Alloys and Compounds, Journal Year: 2025, Volume and Issue: unknown, P. 179905 - 179905

Published: March 1, 2025

Language: Английский

Citations

0

From Sensors to Care: How Robotic Skin Is Transforming Modern Healthcare—A Mini Review DOI Creative Commons
Yuting Zhu, Wendy Moyle, Hong Min

et al.

Sensors, Journal Year: 2025, Volume and Issue: 25(9), P. 2895 - 2895

Published: May 3, 2025

In recent years, robotics has made notable progress, becoming an essential component of daily life by facilitating complex tasks and enhancing human experiences. While most robots have traditionally featured hard surfaces, the growing demand for more comfortable safer human–robot interactions driven development soft robots. One type robot, which incorporates innovative skin materials, transforms rigid structures into pliable adaptive forms, making them better suited interacting with humans. Especially in healthcare rehabilitation, robotic technology gained substantial attention, offering transformative solutions improving functionality prosthetics, exoskeletons, companion Although replicating sensory functions remains a challenge, ongoing research focuses on developing sensors that mimic softness tactile sensitivity necessary effective interaction. This review provides narrative analysis current trends development, specifically tailored rehabilitation applications, including types sensor technologies, challenges, future directions this rapidly field.

Language: Английский

Citations

0

Trends in Flexible Sensing Technology in Smart Wearable Mechanisms–Materials–Applications DOI Creative Commons
Sen Wang, Haorui Zhai, Qiang Zhang

et al.

Nanomaterials, Journal Year: 2025, Volume and Issue: 15(4), P. 298 - 298

Published: Feb. 15, 2025

Flexible sensors are revolutionizing our lives as a key component of intelligent wearables. Their pliability, stretchability, and diverse designs enable foldable portable devices while enhancing comfort convenience. Advances in materials science have provided numerous options for creating flexible sensors. The core their application areas like electronic skin, health medical monitoring, motion human-computer interaction is selecting that optimize sensor performance weight, elasticity, comfort, flexibility. This article focuses on sensors, analyzing "sensing mechanisms-materials-applications" framework. It explores development trajectory, material characteristics, contributions various domains such interaction. concludes by summarizing current research achievements discussing future challenges opportunities. expected to continue expanding into new fields, driving the evolution smart wearables contributing society.

Language: Английский

Citations

0

A coplanar electrode operating mode for piezoelectric energy harvesting and self-powered sensing DOI Creative Commons

Jian Yuan Hao,

Ping Liu,

G. Gao

et al.

Applied Physics Letters, Journal Year: 2025, Volume and Issue: 126(8)

Published: Feb. 1, 2025

Piezoelectric semiconductors have emerged as a prominent area of research in recent years due to their unique combination piezoelectric and semiconductor properties. In this Letter, we propose device structure featuring coplanar electrodes positioned above the layer. We conducted detailed theoretical analysis properties device. By utilizing electrode mode, pressure applied one generates potential difference between two electrodes. Notably, performance can be adjusted by modifying its structure. Numerical simulations experimental results indicate that reaches an optimal value when distance is equal one-half length. Additionally, developed method enhance voltage output capability under low load resistance conditions. Specifically, introducing charge carriers into layer from doped silicon substrate, device's reduced Schottky contact. The operating mode proposed paper facilitates energy harvesting self-powered sensing, distinguishing it d31 d33 operational modes associated with traditional sandwich structures, thereby allowing for more versatile configurations.

Language: Английский

Citations

0

Flexible Pressure Sensors Enhanced by 3D‐Printed Microstructures DOI
Yuan Jin, Shaohua Xue, Yong He

et al.

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

Published: April 18, 2025

Abstract 3D printing has revolutionized the development of flexible pressure sensors by enabling precise fabrication diverse microstructures that significantly enhance sensor performance. These advancements have substantially improved key attributes such as sensitivity, response time, and durability, facilitating applications in wearable electronics, robotics, human–machine interfaces. This review provides a comprehensive analysis sensing mechanisms these sensors, emphasizing role microstructures, micro‐patterned, microporous, hierarchical designs, optimizing The advantages techniques, including direct indirect methods, creation complex with high precision adaptability are highlighted. Specific applications, human physiological signal monitoring, motion detection, soft emerging explored to demonstrate versatility sensors. Additionally, this briefly discusses challenges, material compatibility, optimization difficulties, environmental stability, well trends, integration advanced technologies, innovative multidimensional promising avenues for future advancements. By summarizing recent progress identifying opportunities innovation, critical insights into bridging gap between research real‐world helping accelerate evolution sophisticated 3D‐printed microstructures.

Language: Английский

Citations

0

A Biomimetic Metal Diaphragm Vibration Sensor with High-Frequency Response Based on a Rigid-Flexible Hybrid Design Strategy DOI

Hsien Tang Wu,

Cong Wang,

Xiaojin Xu

et al.

ACS Applied Electronic Materials, Journal Year: 2025, Volume and Issue: unknown

Published: May 8, 2025

Language: Английский

Citations

0

Multimodal bioelectronics: A pathway to digital health management DOI

Mengxi Gu,

Chuan Fei Guo, Yu Song

et al.

Matter, Journal Year: 2025, Volume and Issue: 8(5), P. 102048 - 102048

Published: May 1, 2025

Language: Английский

Citations

0

A non-contact triboelectric vibration sensor with a spiral floating electrode structure for low-frequency vibration monitoring DOI
Yuan Li, Qichao Li,

Xiongchao Ma

et al.

Nano Energy, Journal Year: 2024, Volume and Issue: unknown, P. 110437 - 110437

Published: Nov. 1, 2024

Language: Английский

Citations

3