Ultrasensitive Linear Capacitive Pressure Sensor with Wrinkled Microstructures for Tactile Perception

Advanced Science, Journal Year: 2023, Volume and Issue: 10(14)

Published: March 15, 2023

Ultrasensitive flexible pressure sensors with excellent linearity are essential for achieving tactile perception. Although microstructured dielectrics have endowed capacitive ultrahigh sensitivity, the compromise of sensitivity increasing is an issue yet to be resolved. Herein, a spontaneously wrinkled MWCNT/PDMS dielectric layer proposed realize and The synergistic effect high constant microstructures enables sensor exhibit up 21 kPa 1.448

Language: Английский

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Flexible Capacitive Pressure Sensor with High Sensitivity and Wide Range Based on a Cheetah Leg Structure via 3D Printing

ACS Applied Materials & Interfaces, Journal Year: 2023, Volume and Issue: 15(39), P. 46347 - 46356

Published: Sept. 21, 2023

Flexible pressure sensors can be used in human-computer interaction and wearable electronic devices, but one main challenge is to fabricate capacitive with a wide range high sensitivity. Here, we designed sensor based on bionic cheetah leg microstructure, validated the benefits of microstructure design, optimized structural feature parameters using 3D printing technology. The inspired by shape has sensitivity (0.75 kPa-1), linear sensing (0-280 kPa), fast response time roughly 80 ms, outstanding durability (24,000 cycles). Furthermore, recognize finger-operated mouse, monitor human motion, transmit Morse code information. This work demonstrates that hold considerable promise for use devices.

Language: Английский

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Progress and challenges in flexible capacitive pressure sensors: Microstructure designs and applications

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 485, P. 149926 - 149926

Published: Feb. 23, 2024

Language: Английский

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Capacitive Pressure Sensor Combining Dual Dielectric Layers with Integrated Composite Electrode for Wearable Healthcare Monitoring

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(10), P. 12974 - 12985

Published: Feb. 28, 2024

Foot activity can reflect numerous physiological abnormalities in the human body, making gait a valuable metric health monitoring. Research on flexible sensors for monitoring has focused high sensitivity, wide working range, fast response, and low detection limit, but challenges remain areas such as elasticity, antibacterial activity, user-friendliness, long-term stability. In this study, we have developed novel capacitive pressure sensor that offers an ultralow limit of 1 Pa, ranges from Pa to 2 MPa, sensitivity 0.091 kPa–1, response time 71 ms, exceptional stability over 6000 cycles. This not only ability accurately discriminating mechanical stimuli also meets requirements wearable comfort, The fabrication method dual dielectric layer integrated composite electrode is simple, cost-effective, stable, amenable mass production. Thereinto, introduction layer, based optimized electrospinning network micropillar array, significantly improved performance sensor. electrodes are made by template using materials carbon nanotubes (CNTs), two-dimensional titanium carbide Ti3C2Tx (MXene), polydimethylsiloxane (PDMS), offering synergistic advantages terms conductivity, stability, practicality. Additionally, designed smart insole integrates as-prepared with miniature instrument platform disease warning. offer cutting-edge solution detecting diseases noninvasive manner, paving way future devices personalized healthcare technologies.

Language: Английский

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Integrated surface microstructure and enhanced dielectric constant for constructing simple, low-cost, and high-performance flexible capacitive pressure sensor

Sensors and Actuators A Physical, Journal Year: 2024, Volume and Issue: 376, P. 115629 - 115629

Published: June 24, 2024

Language: Английский

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Applications of cellulose-based flexible self-healing sensors for human health monitoring

Nano Energy, Journal Year: 2024, Volume and Issue: 127, P. 109790 - 109790

Published: May 25, 2024

Language: Английский

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Flexible Pressure, Humidity, and Temperature Sensors for Human Health Monitoring

Advanced Healthcare Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 17, 2024

Abstract The rapid advancements in artificial intelligence, micro‐nano manufacturing, and flexible electronics technology have unleashed unprecedented innovation opportunities for applying sensors healthcare, wearable devices, human–computer interaction. human body's tactile perception involves physical parameters such as pressure, temperature, humidity, all of which play an essential role maintaining health. Inspired by the sensory function skin, many bionic been developed to simulate skin's various stimuli are widely applied health monitoring. Given urgent requirements sensing performance integration field devices monitoring, here is a timely overview recent advances multi‐functional It covers fundamental components categorizes them based on different response mechanisms, including resistive, capacitive, voltage, other types. Specifically, application these area monitoring highlighted. Based this, extended dual/triple‐mode integrating temperature presented. Finally, challenges discussed.

Language: Английский

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An Integrated Bifunctional Pressure‒Temperature Sensing System Fabricated on a Breathable Nanofiber and Powered by Rechargeable Zinc–Air Battery for Long-Term Comfortable Health Care Monitoring

Advanced Fiber Materials, Journal Year: 2024, Volume and Issue: 6(4), P. 1037 - 1052

Published: April 11, 2024

Language: Английский

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Advancements in wearable sensors for cardiovascular disease detection for health monitoring

Materials Science and Engineering R Reports, Journal Year: 2024, Volume and Issue: 159, P. 100804 - 100804

Published: May 21, 2024

Language: Английский

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Facile preparation of porous MXene/cellulose nanofiber composite for highly-sensitive flexible piezoresistive sensors in e-skin

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: 505, P. 159369 - 159369

Published: Jan. 7, 2025

Language: Английский

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