Motivated by artificial intelligence, we present a novel electronic skin (e-skin) system capable of dual-sensing pressure and temperature signals. Our approach utilizes laser-induced graphene polydimethylsiloxane, offering simple yet efficient method for e-skin preparation. Experimental results reveal exceptional performance with good sensitivity (0.037 kPa−1 at 0–50 kPa), wide detection range (0–220 fast response time 56 ms, an ultra-low limit (30 Pa), excellent stability (8000 cycles)....

Abstract Self‐powered pressure detection using smart wearable devices is the subject of intense research attention, which intended to address critical need for prolonged and uninterrupted operations. Current piezoelectric triboelectric sensors well respond dynamic stimuli while overlooking static stimuli. This study proposes a dual‐response potentiometric sensor that responds both The proposed utilizes interdigital electrodes with MnO 2 /carbon/polyvinyl alcohol (PVA) as cathode conductive...

Bi2Te3-based thermoelectric materials with large figure of merit, ZT, at elevated temperatures are advantageous in power generation by using the low-grade waste heat. Here, we show that incorporation small proportion (0.3 vol. %) nanophase Cu2Se into BiSbTe matrix causes an enhanced high-temperature thermopower due to energy filtering carriers and inhibition minority transport besides phonon blocking from scattering interfaces, which concurrently result ∼20% increase factor ∼60% reduction...

Flexible and wearable pressure sensors have attracted extensive attention in domains, such as electronic skin, medical monitoring human-machine interaction. However, developing a sensor with high sensitivity, mechanical stability wide detection range remains huge challenge. In this work, flexible capacitive sensor, based on Ti3C2T x (MXene)/polyvinyl pyrrolidone (PVP) composite nanofiber membrane (CNM), prepared via an efficient electrospinning process, is presented. The experimental results...

We report the fabrication, superior performance and applications of a flexible capacitive pressure sensor based on biocompatible polyvinyl pyrrolidone nanofiber membrane, prepared by electrospinning ultra-violet photochemical after treatment.

The electrical transport and thermoelectric properties of Cu₃Sb_1−xAl_xSe₄ (<italic>x</italic> = 0, 0.01, 0.02 0.03) compounds are investigated in the temperature range 300–600 K.

Owing to enhanced power factor and reduced lattice thermal conductivity through interface scattering, a largest thermoelectric figure of merit ZT = 1.61 is achieved at 467 K for BiSbTe based composite with Cu₃SbSe₄ nanoinclusions.

To enhance thermoelectric performance by utilizing topological properties of insulators has attracted increasing attention. Here, we show that as grain size decreases from microns to ∼80 nm in thickness, the electron mobility μ increases steeply 12–15 cm2 V−1 s−1 ∼600 s−1, owing contribution increased topologically protected conducting surfaces. Simultaneously, its lattice thermal conductivity is lowered ∼30%–50% due enhanced phonon scattering boundaries. As a result, figure merit, ZT, all...

Wearable plant sensors (WPSs) can effectively monitor growth conditions in the presence of microenvironmental parameter fluctuations, which underlines their immense potential field smart agriculture. Currently, influence ambient temperature on is a research focus intelligent However, it considerably challenging to achieve real-time and precise monitoring both physical corresponding using simple efficient methodologies. In this paper, we introduce dual-mode (tensile temperature) WPS,...

In Pb and Te-free β-Zn4Sb3 based composites incorporated with nanophase Cu3SbSe4 (∼200 nm), we concurrently realize ∼30% increase in thermoelectric power factor (PF) through an energy filtering effect caused by carrier scattering at interface barriers, around twofold reduction lattice thermal conductivity due to allowing the figure of merit (ZT) reach 1.37 648 K composite system 5 vol. % Cu3SbSe4. Present results demonstrate that simultaneous enhancement PF phonon blocking can be achieved...

In Pb-free β-Zn4Sb3 based composites incorporated with (Bi2Te3)0.2(Sb2Te3)0.8, we concurrently realize ∼30% increase in thermoelectric power factor through an energy filtering effect caused by carrier scattering at interface barriers, and ∼15% reduction thermal conductivity due to scattering, allowing the figure of merit reach 1.1 648 K composite system 1 vol. % (Bi2Te3)0.2(Sb2Te3)0.8.

Recently, a single crystalline SnSe and its sodium doped compound are reported to have an ultralow thermal conductivity high thermoelectric figure of merit. However, the highest merit for polycrystalline SnSe-based materials is not larger than 1. In this study, we report 1.21 at 903 K poly-crystalline SnSe, realized by incorporating proper proportion carbon black as nano-inclusions. The exceptional performance arises from enhanced power factor, coming increased electrical temperatures.

Abstract This paper presents a microwave microfluidic biosensor for monitoring blood glucose levels. The sensor is triple ring microstrip patch antenna integrated with biomimetic device capable of measuring fixed volume solution. was utilized to detect 50–500 mg/dL solutions. interaction the solution electromagnetic field on patch's surface influences both resonance frequency and magnitude reflection coefficient. results indicate that can reduce experimental error enhance correlation between...

Abstract Flexible high-sensitivity pressure sensors have seen rapid growth in the last few years applications like electronic skin, smart wearables and medical health monitoring. In this work, we develop a high-flexibility capacitive sensor design based on hierarchical, micro-pyramid-structured dielectric layer of polydimethanes. The goal is to achieve low-hysteresis with increased sensitivity reduced response time. To optimize performance proposed sensor, designed fabricated several...

Flexible pressure sensors have found widespread application in medical diagnosis and human–computer interaction. These practical applications often require large-area sensing arrays (PSAs) to explore spatial distributions. However, the development of high-performance PSAs still presents significant challenges. Here, a new method is proposed for fabrication high-resolution capacitive PSA 10 × configuration. The array comprises upper lower electrode laser-induced graphene patterned on...

Defect engineering for vacancies, holes, nano precipitates, dislocations, and strain are efficient means of suppressing lattice thermal conductivity. Multiple microstructural defects successfully designed in Cu1-x Agx GaTe2 (0 ≤ x 0.5) solid solutions through high-ratio alloying vibratory ball milling, to achieve ultra-low conductivity record-breaking thermoelectric performance. Extremely low total conductivities 1.28 W m-1 K-1 at 300 K 0.40 873 the Cu0.5 Ag0.5 observed, which ≈79% ≈58%...

Susceptible and flexible pressure sensors have broad application prospects market demands in bionic skin, human–machine interface, intelligent wearable electronic devices. However, optimizing the sensor's sensitivity through a simple, low-cost process is still considerable challenge. In this work, of capacitive sensor was effectively improved by geometry laser-scribed graphene (LSG) electrodes. The sensor, based on inter-comb structured LSG electrodes polyvinyl pyrrolidone nanofiber membrane...