Composites Science and Technology, Journal Year: 2023, Volume and Issue: 241, P. 110127 - 110127
Published: June 19, 2023
Language: Английский
ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(25), P. 32702 - 32712
Published: June 13, 2024
Herein, we report a dual-functional flexible sensor (DFFS) using magnetic conductive polymer composed of nickel (Ni), carbon black (CB), and polydimethylsiloxane (PDMS). The material selection for the DFFS utilizes excellent elasticity PDMS matrix synergistic interaction between Ni CB. has wide strain range 0–170%, high sensitivity 74.13 (140–170%), low detection limit 0.3% strain. based on superior performance can accurately detect microstrain/microvibration, oncoming/contacting objects, bicycle riding speed. Additionally, be used comprehensive monitoring human movements. Therefore, this work shows significant value implementation in intelligent wearable devices noncontact control.
Language: Английский
Citations
15
ACS Applied Nano Materials, Journal Year: 2024, Volume and Issue: 7(13), P. 15626 - 15639
Published: June 28, 2024
The development and utilization of flexible piezoresistive sensors based on bionic nanomaterials have garnered considerable attention due to their broad potential in various domains. However, the key enhanced performance lies incorporating microstructures conductive coatings, which maximize initial resistance minimize upon pressure application, thereby amplifying change signal. In this study, we draw inspiration from microconvex structure observed skin crocodiles propose a bionic-structured sensor. sensor is fabricated using nanocomposites comprising multiwalled carbon nanotubes, silicone rubber, nanofiber conjunction with three-dimensional (3D)-printed structural mold. Sensor similar sandwich three layers: substrate layer, sensing an interdigital electrode layer. Our exhibits improved pressure-sensing capabilities, characterized by rapid response recovery times (25 ms), wide detection range (0–80 kPa), minimal hysteresis (2.44%), high sensitivity (0.4311 kPa–1 within 0–10 kPa range), fine stability (withstanding 6000 cycles under varying pressures). Notably, has efficient ability, long-term stability, good waterproofing properties, expanding its applications human–computer interaction, motion monitoring, intelligent robotics, underwater rescue operations.
Language: Английский
Citations
15
Advanced Science, Journal Year: 2024, Volume and Issue: 11(19)
Published: March 14, 2024
Abstract Owing to the highly parallel network structure of biological neural and its triggered processing mode, tactile sensory neurons can realize perception external signals functions perception, memory, data by adjusting synaptic weight. In this paper, a piezoresistive pressure sensor is combined with memristor design an artificial neuron. The polyurethane sponge has excellent sensitivity convert physical stimuli into electrical signals, chitosan‐based stable bipolar resistive switching characteristics, allowing further information be memorized processed. neuron respond different degrees, durations, frequencies; potentiation/depression modulation, paired‐pulse facilitation, spike‐timing‐dependent plasticity; exhibit spike‐rate‐dependent store erase through memistor state switching, which great application potential in sensing systems.
Language: Английский
Citations
13
Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(16)
Published: Jan. 4, 2024
Abstract Cermet has broad applications in electronics, but achieving stable ceramic‐metal contact always been a challenge, particularly at hot temperature and large deformation conditions, due to the significant differences thermal expansion coefficient stiffness of ceramics metals. Here, stress matching strong interphase bonding heterogenous are realized by using flexible ceramics, leading fire‐resistant pressure tactile sensors. Cu/Au nanolayers deposited first onto toughened SiO 2 nanofibers with chemical plating method form sensitive interdigital electrode sensors, then use an situ reaction strategy conformal interlocked Au 3 Cu CuSiO interphases, which enhance mechanical stability contact. With deep learning technique, as‐fabricated intelligent gloves can accurately recognize human body parts low‐visible burning environments show long‐term over 1000 cycles high sensitivity 112.18 kPa −1 , is important for developing firefighting.
Language: Английский
Citations
12
Molecules, Journal Year: 2024, Volume and Issue: 29(5), P. 1009 - 1009
Published: Feb. 26, 2024
Graphene and its derivatives have been confirmed to be among the best fillers for rubber due their excellent properties, such as high mechanical strength, improved interface interaction, strain-induced crystallization capabilities. materials can widely used in tires, shoes, high-barrier conductive seals, electromagnetic shielding shock absorbers, etc. In order reduce graphene loading endow more desirable functions materials, graphene-based hybrid are extensively employed, which effectively enhance performance of composites. This review briefly summarizes recent research on composites with consisting carbon black, silica, nanotubes, metal oxide, one-dimensional nanowires. The preparation methods, improvements, applications different fillers/rubber investigated. study also focuses methods that ensure effectiveness reinforcing Furthermore, enhanced mechanism graphene- derivative-based is investigated provide a foundation future studies.
Language: Английский
Citations
12
Sensors and Actuators A Physical, Journal Year: 2024, Volume and Issue: 369, P. 115193 - 115193
Published: Feb. 17, 2024
Language: Английский
Citations
11
Advanced Fiber Materials, Journal Year: 2024, Volume and Issue: 6(4), P. 1152 - 1161
Published: April 23, 2024
Language: Английский
Citations
10
Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 495, P. 153684 - 153684
Published: July 2, 2024
Language: Английский
Citations
10
ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(28), P. 36821 - 36831
Published: July 2, 2024
In recent years, flexible strain sensors have gradually come into our lives due to their superiority in the field of biomonitoring. However, these still suffer from poor durability, high hysteresis, and difficulty calibration, resulting great hindrance practical application. Herein, starting with interfacial interaction regulation structure-induced cracking, performance are successfully fabricated. this strategy, dopamine treatment is used enhance bonding between substrates carbon nanotubes (CNT). The combination within conductive networks then controlled by substituting CNT type. Braid-like fibers employed achieve controllable expansion layer cracks. Finally, we obtain that possess linearity (R2 = 0.997) low hysteresis (5%), sensitivity (GF 60) wide sensing range (0-50%), short response time (62 ms), outstanding stability, repeatability (>10,000 cycles). Flexible all performances good rarely reported. Static dynamic respiration pulse signal monitoring fiber sensor demonstrated. Moreover, a knee joint system constructed for various walking stances, which value diagnosis rehabilitation many diseases.
Language: Английский
Citations
10
ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(31), P. 41409 - 41420
Published: July 29, 2024
Multidirectional strain sensors are pivotal for wearable electronic devices and human−computer interaction. In this investigation, we translocate carbon/graphene (CB/Gr) conductive nanocomposites onto an Ecoflex flexible substrate via a facile technique encompassing reverse molding spraying, culminating in the fabrication of 45° rosette-shaped multidirectional sensor. The sensor distinguishes itself with extraordinary performance characteristics, including high sensitivity (boasting gauge factor 35), extensive range from 0 to 100%, exceptional linearity, rapid response time merely 200 ms, remarkable stability, outstanding durability, effortlessly withstanding over 5000 stretch-release cycles. exhibits its capability discern intricate movements, particularly detecting human hand neck motions. sensor's comprehensive direction recognition ability underscore significant potential diverse applications, notably interaction, motion monitoring, health monitoring.
Language: Английский
Citations
10