Highly sensitive and wide-range iontronic pressure sensors with a wheat awn-like hierarchical structure

Journal of Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 669, P. 190 - 197

Published: April 27, 2024

Language: Английский

---

Fringing‐Effect‐Based Capacitive Proximity Sensors

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(51)

Published: Aug. 28, 2024

Abstract Proximity sensing technology, which can obtain information without physical contact, has become an ideal choice in scenarios where contact is not feasible. Despite substantial advancements tactile sensing, proximity technology still holds great potential and yet to be fully developed. Among numerous technologies, the fringing‐effect‐based capacitive sensor (FE‐CPS) garnered considerable attention due its low cost, power consumption, wide range, flexible versatile structural design. However, research on FE‐CPS formed a complete system, development intellectualization are their infancy, urgently requiring systematic review advance development. This paper systematically summarizes recent advances FE‐CPS, from basic theory practical applications. The working principle typical structure of first introduced, followed by discussion methods for optimizing device performance. Furthermore, application intelligent pre‐alarm systems, control material perception systems reviewed. Finally, future challenges faced prospected.

Language: Английский

---

Recent advances in flexible iontronic pressure sensors: materials, microstructure designs, applications, and opportunities

Journal of Materials Chemistry C, Journal Year: 2024, Volume and Issue: 12(36), P. 14202 - 14221

Published: Jan. 1, 2024

This review provides recent advances in flexible iontronic pressure sensors including strategies to enhance sensing performances and their applications discusses future directions for implementing these advancements practical applications.

Language: Английский

---

Customized flexible iontronic pressure sensors: Multilevel microstructures by 3D-Printing for enhanced sensitivity and broad pressure range

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 501, P. 157291 - 157291

Published: Nov. 7, 2024

Language: Английский

---

MXene‐Deposited Melamine Foam‐Based Iontronic Pressure Sensors for Wearable Electronics and Smart Numpads

Small, Journal Year: 2024, Volume and Issue: 20(45)

Published: July 29, 2024

Iontronic pressure sensors hold significant potential to emerge as vital components in the field of flexible and wearable electronics, addressing a variety applications spanning technology, health monitoring systems, human-machine interactions. This study introduces novel iontronic sensor structure based on seamlessly deposited Ti

Language: Английский

---

One-Step process of wrinkle microstructured iontronic pressure sensor with all fabric wearable electrode

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 496, P. 153780 - 153780

Published: July 6, 2024

Language: Английский

---

Advanced Morphological and Material Engineering for High‐Performance Interfacial Iontronic Pressure Sensors

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

Published: Jan. 22, 2025

Abstract High‐performance flexible pressure sensors are crucial for applications such as wearable electronics, interactive systems, and healthcare technologies. Among these, iontronic have garnered particular attention due to their superior sensitivity, enabled by the giant capacitance variation of electric double layer (EDL) at ionic‐electronic interface under deformation. Key advancements, incorporating microstructures into ionic layers employing diverse materials, significantly improved sensor properties like accuracy, stability, response time. This review highlights advancements in EDL sensors, focusing on structural designs material engineering. These strategies tailored optimize key metrics detection limit, linearity, speed, hysteresis, transparency, wearability, selectivity, multifunctionality. fabrication techniques, including micropatterning externally assisted methods, reviewed, along with comparison guidelines selecting appropriate sensors. Emerging healthcare, environmental aerodynamic sensing, human–machine interaction, robotics, machine learning‐assisted intelligent sensing explored. Finally, this discusses challenges future directions advancing EDL‐based

Language: Английский

---

Flexible iontronic sensing

Chemical Society Reviews, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

The emerging flexible iontronic sensing (FITS) technology offers a novel approach to tactile perception, mimicking human skin's structure and enabling seamless integration with biological systems. This review highlights its latest advancements.

Language: Английский

---

Hierarchical Iontronic Flexible Sensor with High Sensitivity over Ultrabroad Range Enabled by Equilibration of Microstructural Compressibility and Stability

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

Published: Jan. 22, 2025

Despite improved sensitivity of iontronic pressure sensors with microstructures, structural compressibility and stability issues hinder achieving exceptional across a wide range. Herein, the interplay between ion concentration, mechanical properties, geometry, aspect ratio (AR) on lithium bis(trifluoromethanesulfonyl) imide/thermoplastic polyurethane (LiTFSI/TPU) ionogel is delved into. The results indicate that cones exhibit superior compared to pyramids hemispheres, manifesting in an enhanced toward LiTFSI/TPU ionogel. Subsequently, by strategically combining varying ARs, harmonious balance achieved, culminating fabrication hierarchical flexible (HIFS). Remarkably, HIFS-III three-level conical microstructure demonstrates preeminent 127.65 kPa–1 within ∼500 kPa. Even ultrabroad range 1500–3000 kPa, remains exceeding 10 kPa–1. Furthermore, boasts swift response relaxation times (∼11 18 ms, respectively), low detection limit (∼6.35 Pa), as well remarkable durability (15,000 cycles). sensing capabilities underscore its emergence promising high-performance feedback solution tailored for applications human–machine interaction e-skin.

Language: Английский

---

Artificial tactile system for pressure monitoring in extracorporeal circulation processes

APL Materials, Journal Year: 2024, Volume and Issue: 12(4)

Published: April 1, 2024

Current intraoperative pressure monitoring methods still face significant limitations in perception and feedback, struggling to strike a balance between precision wearable flexibility. Inspired by biological skin, we propose biomimetic tactile sensing system for during extracorporeal circulation, comprising flexible sensors artificial synaptic transistors. Aimed at addressing the aforementioned issues, our employs pyramid-shaped elastic design sensors, utilizing biocompatible materials polydimethylsiloxane multi-walled carbon nanotubes as strain-sensitive layer. This configuration boasts ultra-high sensitivity resolution (115 kPa−1), accurately detecting subtle changes, such blood circulation wall pressures. With transistors information processing core, successfully simulates crucial neural functions, including excitatory post-synaptic currents double-pulse facilitation, while providing alerts abnormal signals. facilitates real-time data device edge, reducing power consumption, improving efficiency, better demands of large-scale physiological processing. It presents reference future developments biomedical electronics bionics.

Language: Английский

---