Published: Jan. 1, 2024
Language: Английский
Advanced Science, Journal Year: 2024, Volume and Issue: 11(24)
Published: March 15, 2024
Flexible pressure sensors play a significant role in wearable devices and electronic skin. Iontronic with high sensitivity, wide measurement range, resolution can meet requirements. Based on the deformation characteristics of alveoli to improve compressibility, ability arch disperse vertical into horizontal thrust increase contact area, graded hollow ball (GHBA) microstructure is proposed, greatly improving sensitivity. The fabrication GHBA ingeniously employs double-sided structure. One side uses mold casting create convex structures, while other utilizes evaporation moisture during curing process form concave structures. At same time, novel side-by-side package structure ensuring flexible substrate maximally transferred microstructure. Within range 0.2 Pa-300 kPa, iontronic sensor achieves maximum sensitivity 10 420.8 kPa
Language: Английский
Citations
19
Polymer science & technology., Journal Year: 2025, Volume and Issue: unknown
Published: Feb. 5, 2025
Language: Английский
Citations
1
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
Citations
7
Nano Energy, Journal Year: 2024, Volume and Issue: 129, P. 110000 - 110000
Published: July 15, 2024
Language: Английский
Citations
5
Bioactive Materials, Journal Year: 2024, Volume and Issue: 40, P. 261 - 274
Published: June 14, 2024
Language: Английский
Citations
4
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
Citations
0
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
Citations
0
Applied Physics Reviews, Journal Year: 2025, Volume and Issue: 12(1)
Published: Feb. 12, 2025
Capacitive tactile sensors have garnered significant attention due to their simple structure, temperature independence, and wide applicability. However, with the continuous evolution of intellectualization process, developing that can compare or even surpass sensing ability human skin remains a challenge. Consequently, various strategies aimed at enhancing performance emerged, introduction morphological structures into active layer being most effective. In light this, capacitive based on structure designs gained favor among researchers, gradually forming “hundred schools thought contend” trend. Nevertheless, processes applicability yet form complete system, development intelligence morphological-engineering-based reached bottleneck stage, requiring comprehensive systematic review provide inspiration for breakthroughs. This delves deeply impact device provides overview applicability, advantages, disadvantages fabrication technologies derived from these structures. Finally, progress in advanced intelligent systems is summarized, challenges prospects faced this emerging field are envisioned.
Language: Английский
Citations
0
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
Citations
0
Advanced Materials, Journal Year: 2025, Volume and Issue: unknown
Published: April 8, 2025
Abstract Conjugated polymers (CPs) show great potential for pressure detection due to the amorphous polymer packing, but a lack of clarity regarding sensing mechanisms hampers development further applications. Herein, sacrificial template‐full solution method with both rough surface and high conductivity is described that can be applied sandwich‐structured resistive sensors. Transient absorption measurements demonstrate significant increase carrier lifetime (from 1.44 2.54 ns) induced by pressure, which directly evidenced superior mechanism sidechain doped conjugated polymer. This sensor displayed low‐pressure limit 0.7 Pa as well rapid response time 18.8 ms, enabling multi‐mode motion analysis including wrist pulse, swallowing, finger bending, grabbing, typing. Additionally, an intelligent vocal recognition system convolutional neural networks used achieve >96% classification accuracy across diverse profiles. general approach anticipated enables new direction
Language: Английский
Citations
0