Optoelectronic Dual Mode Encryption for High Security Biometric Identification DOI

Zhengwen Yang,

Yuxiao Zhang, Yue Liu

et al.

Research Square (Research Square), Journal Year: 2025, Volume and Issue: unknown

Published: May 29, 2025

Abstract Optoelectronic dual-mode devices overcome the environmental sensitivity and flexibility limitations of single-mode systems through co-design, yet face challenges in synchronizing touch/display signals heterogeneous integration. This study presents a self-powered encryption device via cross-modal integration an electrochromic display module piezoresistive sensing array. Ion self-migrating ink liquid metal substrate form unit, eliminating circuit coupling interference. Interfacial charge transfer enables ultrafast coloration (460 ms), precisely matching sub-second response A 1024-unit high-density pressure-sensing array with interfacial microengineering exhibits highly consistent parallel signals, reconstructing complex pressure distributions. multimodal deep learning algorithm achieves cross-domain correlation analysis optical/electrical features, reducing biometric error rates from 11.97% 38.19% (single-mode) to 5.36%. work breaks physical constraints provides co-design solution for multi-physics systems.

Language: Английский

Innovations in Tactile Sensing: Microstructural Designs for Superior Flexible Sensor Performance DOI

Guancheng Wu,

Xiang Li, Rongrong Bao

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(44)

Published: June 22, 2024

Abstract Tactile sensors have garnered considerable interest for their capacity to detect and quantify tactile information. The incorporation of microstructural designs into flexible has emerged as a potent strategy augment sensitivity pressure variations, thereby enhancing linearity, response spectrum, mechanical robustness. This review underscores the imperative progress in microstructured sensors. Subsequently, discourse transitions prevalent materials employed fabrication sensor electrodes, encapsulation layers, active sensing mediums, elucidating merits limitations. In‐depth discussions are devoted adorned with microstructures, including but not limited to, micropyramids, microhemispheres, micropillars, microporous configurations, microcracks, topological interconnections, multilevel constructs, random roughness, biomimetic microstructures inspired by flora fauna, accompanied exemplar studies from each category. Moreover, utility within realm intelligent environments is explicated, highlighting application monitoring physiological signals, detection sliding motions, discernment surface textures. culminates critical examination paramount challenges predicaments that must be surmounted further development enhance functional performance sensors, paving way integration advanced sensory systems.

Language: Английский

Citations

23
Recent progress in flexible sensors based on 2D materials DOI
Xiang Li,

Guancheng Wu,

Caofeng Pan

et al.

Journal of Semiconductors, Journal Year: 2025, Volume and Issue: 46(1), P. 011607 - 011607

Published: Jan. 1, 2025

Abstract With the rapid development of internet things (IoT) and wearable electronics, role flexible sensors is becoming increasingly irreplaceable, due to their ability process convert information acquisition. Two-dimensional (2D) materials have been widely welcomed by researchers as sensitive layers, which broadens range application advantages large specific surface area, tunable energy bands, controllable thickness at atomic level, stable mechanical properties, excellent optoelectronic properties. This review focuses on five different types 2D for monitoring pressure, humidity, sound, gas, so on, realize recognition conversion human body environmental signals. Meanwhile, main problems possible solutions based layers are summarized.

Language: Английский

Citations

3
Bioinspired Stretchable Strain Sensor with High Linearity and Superhydrophobicity for Underwater Applications DOI
Huansheng Wu, Cong Wang, Linpeng Liu

et al.

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

Published: Oct. 4, 2024

Abstract Flexible strain sensors are of great significance in health monitoring, wearable electronic devices, intelligent robot sensing, and other fields. Most the reported works focus on enhancement sensitivity or working range, while linearity is ignored exhibits strong nonlinearity. Conflict among performances remains a serious challenge for development flexible sensors. Herein, inspired by architecture butterfly's wings, sensor with double conductive layers wrinkles/holes structures proposed. The fabricated shows high >0.98 over full range 120%, up to 0.999 within 0%–30%. Apart from that, also presents 8.28, stability 40 000 cycles when subjected full‐scale strain, as well water contact angle >167.4°. Meanwhile, strains low 0.075% can be identified, maximum frequency Hz responded sensor. It demonstrated that capable enabling grippers sense monitor motions underwater vehicles, indicating its greater potential diverse applications, such human–machine interaction, marine environmental protection, biological research.

Language: Английский

Citations

13
Flexible Pressure Sensor Composed of Multi-Layer Textile Materials for Human–Machine Interaction Applications DOI
Dakai Wang, Guoliang Ma, Xiangxiang Zhang

et al.

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

Published: Jan. 2, 2025

Flexible pressure sensors have shown significant application prospects in fields such as artificial intelligence and precision manufacturing. However, most flexible are often prepared using polymer materials precise micronano processing techniques, which greatly limits the widespread of sensors. Here, this work chooses textile material construction for sensor, its latitude longitude structure endows sensor with a natural structure. The was designed multilayer stacking strategy by combining two-dimensional MXene materials. experiment shows that sensitivity is 52.08 kPa

Language: Английский

Citations

2
Electric Eels Inspired Iontronic Artificial Skin with Multimodal Perception and In‐Sensor Reservoir Computing DOI
Haiqing Pei,

Huiqian Hu,

Yu Dong

et al.

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

Published: April 18, 2025

Abstract As the largest sensory organ, human skin generates ionic signals in response to tactile, thermal, and electrical stimuli, which are then transmitted neurons processed by brain, thereby enabling sensing memory, ultimately promoting conscious perception decision‐making. However, existing artificial skins face significant challenges including inability achieve multimodal memory simultaneously (i.e., stimuli), difficulty detecting ultra‐low currents, limitations rich synaptic behaviors that essential for highly efficient in‐sensor reservoir computing. Inspired electric eels, study here develops an based on iontronic p‐n junctions consisting of PolyAT PolyES bi‐layered structures. This features broad detection ranges temperature (−80 120 °C, well beyond reach hydrogel counterparties), pressure (0.075 Pa 400 kPa, among highest sensitivities ever reported), current (1–200 nA), meanwhile demonstrates functions. Additionally, incorporating a robotic hand can grasp objects with different temperatures weights demand. Further, fully memristive computing is implemented skin, allowing sensing, decoding, learning via stimulation, achieving 91.3% accuracy classifying MNIST handwritten digit images.

Language: Английский

Citations

2
All-fiber anti-jamming capacitive pressure sensors based on liquid metals DOI
Huichen Xu, Yue Liu,

Yepei Mo

et al.

Rare Metals, Journal Year: 2025, Volume and Issue: unknown

Published: March 27, 2025

Language: Английский

Citations

1
Bioinspired PEDOT:PSS-PVDF(HFP) flexible sensor for machine-learning-assisted multimodal recognition DOI
Pingping Wu, Lin Li, Songtao Shao

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 495, P. 153558 - 153558

Published: June 27, 2024

Language: Английский

Citations

9
High‐Performance Sensing Platform Based on Morphology/Lattice Collaborative Control of Femtosecond‐Laser‐Induced MXene‐Composited Graphene DOI Creative Commons

Ruige Su,

Misheng Liang, Yongjiu Yuan

et al.

Advanced Science, Journal Year: 2024, Volume and Issue: unknown

Published: July 23, 2024

Flexible sensors based on laser-induced graphene (LIG) are widely used in wearable personal devices, with the morphology and lattice arrangement of LIG key factors affecting their performance various applications. In this study, femtosecond-laser-induced MXene-composited (LIMG) is to improve electrical conductivity by incorporating MXene, a 2D material high concentration free electrons, into structure. By combining pump-probe detection, breakdown spectroscopy (LIBS), density functional theory (DFT) calculations, morphogenesis structuring principles LIMG explored, results indicating that MXene materials successfully embedded lattice, altering both properties. The structural sparsity composites (up 3187 S m

Language: Английский

Citations

8
Recent progress of optical tactile sensors: A review DOI
Ni Yao, Shipeng Wang

Optics & Laser Technology, Journal Year: 2024, Volume and Issue: 176, P. 111040 - 111040

Published: April 19, 2024

Language: Английский

Citations

7
Highly Stretchable Supercapacitor‐Type Multifunctional Self‐Powered Porous Electronic Skins DOI
Xiaoyu Zhang, Shirui Wang, Xing Liang

et al.

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

Published: Oct. 9, 2024

Abstract The development of highly stretchable self‐powered electronic skins with a broad detection range is urgently needed but remains great challenge. Herein, unprecedented stretchable, broad‐range‐response, supercapacitor‐type, one‐body, and are developed by assembling porous polyurethane/polypyrrole electrode, polyacrylic acid/polyacrylamide ionic gel electrolyte, polyurethane/MXene electrode. folded structure the electrodes significantly enhances stretchability, while modulus‐gradient multilayer device effectively broadens pressure range. combine dynamic/static sensing, ultrabroad (20 Pa–3.5 MPa), ultrahigh stretchability up to 387%, excellent compression stability (5000 cycles under 195 kPa), good stretching (500 200% tensile strain). They have capability monitoring human body motions, physiological signals, high pressures from motorcycle tires, as well tactile sensing robotic grippers. In addition, they can be applied for thermal management electromagnetic shielding devices. This work provides new strategy multifunctional wearable electronics sensors.

Language: Английский

Citations

7