Cilia-Inspired Bionic Tactile E-Skin: Structure, Fabrication and Applications DOI Creative Commons
Jing Yu,

Muxi Ai,

Cairong Liu

et al.

Sensors, Journal Year: 2024, Volume and Issue: 25(1), P. 76 - 76

Published: Dec. 26, 2024

The rapid advancement of tactile electronic skin (E-skin) has highlighted the effectiveness incorporating bionic, force-sensitive microstructures in order to enhance sensing performance. Among these, cilia-like with high aspect ratios, whose inspiration is mammalian hair and lateral line system fish, have attracted significant attention for their unique ability enable E-skin detect weak signals, even extreme conditions. Herein, this review critically examines recent progress development cilia-inspired bionic E-skin, a focus on columnar, conical filiform microstructures, as well fabrication strategies, including template-based template-free methods. relationship between performance approaches thoroughly analyzed, offering framework optimizing sensitivity resilience. We also explore applications these systems across various fields, such medical diagnostics, motion detection, human–machine interfaces, dexterous robotics, near-field communication, perceptual decoupling systems. Finally, we provide insights into pathways toward industrializing aiming drive innovation unlock technology’s potential future applications.

Language: Английский

Flexible Pressure, Humidity, and Temperature Sensors for Human Health Monitoring DOI
Jiaqi Li,

Z. Fang,

Dongsong Wei

et al.

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

Citations

18

Wearable Pressure Sensor Based on Triboelectric Nanogenerator for Information Encoding, Gesture Recognition, and Wireless Real‐Time Robot Control DOI Open Access
Mengjia Guo, Yifan Xia, Jiaxuan Liu

et al.

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

Published: Jan. 21, 2025

Abstract Wearable sensor has attracted a broad interesting in application prospect of human‐machine interaction (HMI). However, most sensors are assembled the shape gloves to accurately capture complex hand motion information, thereby seriously blocking complete tasks. Herein, wearable pressure based on drum‐structured triboelectric nanogenerator (DS‐TENG) is developed subtle signals for physiological signal detection, information encoding, gesture recognition, and wireless real‐time robot control. The DS‐TENG enables limit detection down 3.9 Pa pressure, which can sensitively human micromotion pulse, throat sounds, wrist muscles contraction. Especially, combined with microprocessor Morse code, worn detect single‐finger translate into regular voltage signals, employed encode 26 letters subsequently decode corresponding letters. Furthermore, an aid machine learning, array (2 × 2) successfully achieve recognition high accuracy 92% wirelessly perform Consequently, encoding control, demonstrates extreme potential field HMI artificial intelligence.

Language: Английский

Citations

2

On Demand Copper Electrochemical Deposition on Laser Induced Graphene for Flexible Electronics DOI Open Access
Chao Liang, Wenqiang Zhang, Yuxuan Fan

et al.

Small, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 13, 2025

The rapid development of flexible electronics necessitates simplified processes that integrate heterogeneous materials and structures. In this study, laser engraving is combined with electrochemical deposition (ECD) to directly fabricate various micro/nano-structured components electronic circuits. A theoretical framework simulation model are developed design the on-demand ECD on induced graphene (LIG), enabling generation multi-scale copper (Cu) controllable oxidation states. Cu-LIG composites exhibit high surface quality reliability, meeting requirements study fabricates characterizes multilayer circuits complex functional devices, including sensors, thin-film heaters, wireless humidity showcase versatility LIG-ECD process. This approach can be extended polymer metal processes, paving way for high-performance devices.

Language: Английский

Citations

1

High linearity and low hysteresis LMPs/MXene/AgNWs strain sensor for human motion detection DOI
Jiarui Zhang, Ang Li,

Zhi‐Juan Sun

et al.

Applied Physics Letters, Journal Year: 2025, Volume and Issue: 126(3)

Published: Jan. 20, 2025

Resistive strain sensors show great potential in motion detection, medicine and healthcare, human–machine interaction owing to their ease of fabrication, simple structure, adjustable electrical performance. However, developing high-performance flexible resistive with high sensitivity, linearity, low hysteresis remains a challenge. In this work, we report an LMPs (liquid metal particles)/MXene/AgNWs sensor (LMA sensor) sensitivity (GF = 6.339), linearity (R2 0.982 24), (0.452%). process, AgNWs act as bridge between the MXene nanosheets, change contact area nanosheets under stretching endows sensitivity. The aggregated function structural framework, capitalizing on intrinsic fluidic characteristics serve adhesive silver nanowires (AgNWs) nanosheets. This approach effectively minimizes interstitial spaces MXene. formation Ti-O → Ga3+ coordination bonds has strengthened interfacial interactions. Consequently, demonstrates superior hysteresis. addition, sensitive layer buckled structure is obtained by stretch-release. inhibits inhomogeneous irreversible connection losses material, further improving sensor's mechanical durability. LMA can accurately detect various human activities such breathing expression detection. work will provide avenue for sensors.

Language: Английский

Citations

1

Hierarchical Synergetic Strategy for Iontronic Pressure Sensors with High Sensitivity and Broad Linearity Range DOI
Haonan Tian, Yu Jiang,

Yanying Song

et al.

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

Published: March 6, 2025

Flexible iontronic pressure sensors have attracted extensive attention in intelligent robots and wearable healthcare devices for their flexible properties sensing functions. Introducing surface microstructures has remarkably enhanced sensitivity, whereas achieving with high sensitivity over a broad linear range remains challenging. Here, we propose hierarchical synergetic strategy by combining hemisphere porous microstructure, realizing (9.27 kPa-1), fast response speed (<15 ms), (R2 = 0.998) (10 Pa-400 kPa). The linearity of the sensor is attributed to hemispherical which improves compressibility compensates effect structural stiffening. excellent application potential our monitoring spatial distribution demonstrated. microstructure provides general expected be applied other types calling both linearity.

Language: Английский

Citations

1

Gelation‐Constrained Freeze‐Casting Fabrication of Ultra‐Homogeneous Nanocomposite Aerogels with Superelasticity and Harsh Environment Tolerance DOI Open Access

Tianyi Zhu,

Debao Wang, Yisha Wang

et al.

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

Published: March 18, 2025

Abstract Freeze casting is a versatile technique for organizing low‐dimensional building blocks into ordered porous structural materials. However, the freeze‐casting fabrication of materials with robust and topologically elastic skeleton to withstand harsh conditions challenging. Herein, silanized ultra‐homogeneous nanocomposite aerogel fabricated using gelation‐constrained strategy. Diverging from traditional methods employing solution precursor, approach involves process utilizing rational‐designed supramolecular hydrogel as quasi‐solid precursor. The within hydrogel, enclosed in dense hydrogen‐bonded network, effectively mitigate secondary agglomeration caused by ice crystallization concentration enrichment during freeze‐casting. By forming cellular an interconnected nanoparticle resulting aerogels exhibit exceptional mechanical elasticity retaining over 98% height after 10 000 compression cycles, along superior electrical properties showing 78.9% increase conductivity compared conventional aerogels. Wearable piezoresistive sensors these demonstrate outstanding force sensing capabilities, broad linear range (0–17.6 kPa) high sensitivity (1.32 kPa −1 ). When integrated intermediate layer protective garments, offer insulation fire resistance, enabling them endure like repetitive extreme deformations, exposure high‐temperature flames, water‐erosion damages.

Language: Английский

Citations

1

A novel dual-mode paper fiber sensor based on laser-induced graphene and porous salt-ion for monitoring humidity and pressure of human DOI

Aoxun Liang,

Wenhao Dong, Xiaoyu Li

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: unknown, P. 158184 - 158184

Published: Nov. 1, 2024

Language: Английский

Citations

6

Highly Sensitive Linear Triaxial Force Sensor Based on Multimodal Sensing for 3D Pose Reconstruction DOI Open Access

Yongwei Zhang,

Jaafar Abdul‐Aziz Mehrez, Jianhua Yang

et al.

Small Methods, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 2, 2025

Flexible sensing offers real-time force monitoring, presenting a versatile and effective solution for dexterous manipulation, healthcare, environmental exploration, perception of physical properties. Nonetheless, limitation many existing flexible sensors stems from their isotropic structure or material properties, preventing them simultaneously detecting both the direction magnitude applied force. Herein, high-performance 3D sensor based on orthogonal multimodal sensing, cancellation principle, strain effect is proposed. Finite element analysis further reveals decoupling anti-interference mechanisms innovative capacitor-resistance dual-mode solid mechanics electrostatic multiphysics model. The demonstrates ability to measure normal shear forces in any combination using proposed reconstruction algorithms, showing potential accurately reconstructing posture objects.

Language: Английский

Citations

0

Optimizing electromagnetic interference shielding of flexible textiles using SiC@C nanowhiskers synthesized via laser chemical vapor deposition DOI

Pu Liao,

Chongjie Wang, Wei Huang

et al.

Applied Surface Science, Journal Year: 2025, Volume and Issue: unknown, P. 162436 - 162436

Published: Jan. 1, 2025

Language: Английский

Citations

0

Bio-inspired multifunctional flexible visual sensors based on structural color materials DOI
Long Bai, Yong Jin, Liangjie Shi

et al.

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 161344 - 161344

Published: March 1, 2025

Language: Английский

Citations

0