We developed stretchable and self-healable MXene hydrogel that can sense complex motions without multiple sensor arrays.

A titanium carbide (Ti3 C2 Tx ) MXene is employed as an efficient solid support to host a nitrogen (N) and sulfur (S) coordinated ruthenium single atom (RuSA catalyst, which displays superior activity toward the hydrogen evolution reaction (HER). X-ray absorption fine structure spectroscopy aberration corrected scanning transmission electron microscopy reveal atomic dispersion of Ru on Ti3 successful coordination RuSA with N S species MXene. The resultant -N-S-Ti3 catalyst exhibits low...

MXenes are an interesting class of 2D materials consisting transition metal carbides and nitrides, which currently a subject extensive studies. Although there have been theoretical calculations estimating the thermoelectric properties MXenes, no experimental measurements reported so far. In this report, three compositions Mo-based (Mo2CTx, Mo2TiC2Tx, Mo2Ti2C3Tx) synthesized processed into free-standing binder-free papers by vacuum-assisted filtration, their electrical measured. Upon heating...

MXenes are a rapidly growing family of two-dimensional (2D) materials based on transition-metal carbides and nitrides that have shown great potential as multifunctional nanomaterials. Their unique combination metallic conductivity, hydrophilicity, highly charged surfaces endow them with excellent electrochemical performance. Yes, these same characteristics equally important in electronic optoelectronic applications MXenes, which henceforth termed MXetronics. suitable for solution processing...

Abstract MXene, a new class of 2D materials, has gained significant attention owing to its attractive electrical conductivity, tunable work function, and metallic nature for wide range applications. Herein, delaminated few layered Ti 3 C 2 T x MXene contacted Si solar cells with maximum power conversion efficiency (PCE) ≈11.5% under AM1.5G illumination are demonstrated. The formation an Ohmic junction the n + ‐Si surface efficiently extracts photogenerated electrons from np ‐Si, decreases...

Abstract 2D MXenes have shown great promise in electrochemical and electromagnetic shielding applications. However, their potential use electronic devices is significantly less explored. The unique combination of metallic conductivity hydrophilic surface suggests that can also be promising electronics sensing Here, it Ti 3 C 2 MXene with work function 4.60 eV make good electrical contact both zinc oxide (ZnO) tin monoxide (SnO) semiconductors, negligible band offsets. Consequently, n‐type...

MXenes produced by Lewis acid molten salt (LAMS) etching of MAX phases have attracted the community's attention due to their controllable surface chemistry. However, delamination is challenging hydrophobicity multilayer MXene and strong interactions between halogen-terminated sheets. The current method involves dangerous chemicals such as n-butyllithium or sodium hydride, making scale-up difficult limiting practical application this class MXenes. In work, we present a simple efficient for...

Ultrasound is a source of ambient energy that rarely exploited. In this work, tissue-mimicking MXene-hydrogel (M-gel) implantable generator has been designed to convert ultrasound power into electric energy. Unlike the present harvesting methods for harvesters, our M-gel based on an electroacoustic phenomenon known as streaming vibration potential. Moreover, output can be improved by coupling with triboelectrification. We demonstrate potential powering devices through quick charging gadgets,...

With recent growing interest in biomimetic smart nanochannels, a biological sensory transduction response to external stimuli has been of particular the development nanofluidic systems. Here we demonstrate MXene-based subnanometer ion channels that convert temperature changes electric signals

Thermoelectric (TE) generators that are capable of providing sustainable energy conversion under dynamic mechanical stresses have been explored for realizing autonomous wearable electronics. However, finding extremely deformable, efficient, and air-stable TE materials is still a major challenge. Here, we report highly stretchable efficient organic from aqueous composites poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) (PEDOT:PSS) ionic liquids (ILs). In this composite, ILs...

MXene-based hydrogels have received significant attention due to several promising properties that distinguish them from conventional hydrogels. In this study, it is shown both strain and pH level can be exploited tune the electronic ionic transport in hydrogel (M-hydrogel), which consists of MXene (Ti3 C2 Tx )-polyacrylic acid/polyvinyl alcohol hydrogel. particular, applied M-hydrogel changes sheet orientation leads modulation within M-hydrogel, strain-induced surface charge-guided pathway....

Flexible fiber-based microelectrodes allow safe and chronic investigation modulation of electrically active cells tissues. Compared to planar electrodes, they enhance targeting precision while minimizing side effects from the device-tissue mechanical mismatch. However, current manufacturing methods face scalability, reproducibility, handling challenges, hindering large-scale deployment. Furthermore, only a few designs can record electrical biochemical signals necessary for understanding...

Fully solution-processed, large-area, electrical double-layer transistors (EDLTs) are presented by employing lead sulfide (PbS) colloidal quantum dots (CQDs) as active channels and Ti3C2Tx MXene contacts (including gate, source, drain). The successfully patterned standard photolithography plasma-etch techniques integrated with CQD films. large surface area of film is effectively gated ionic gel, resulting in high performance EDLT devices. A electron saturation mobility 3.32 cm2 V–1 s–1...

It is very challenging to employ solution-processed conducting films in large-area ultrathin nanoelectronics. Here, spray-coated Ti3 C2 Tx MXene as metal contacts are successfully integrated into sub-10 nm gate oxide 2D MoS2 transistor circuits. spray coated on glass substrates followed by vacuum annealing. Compared the as-prepared sample, annealed exhibit a higher conductivity (≈11 000 S cm-1 ) and lower work function (≈4.5 eV). Besides, film can be patterned through standard cleanroom...

In recent years, there has been an increase in the development of medical robots to enhance interventional MRI-guided therapies and operations. Magnetic resonance imaging (MRI) surgical are particularly attractive due their ability provide excellent soft-tissue contrast during these procedures. This paper describes a novel design for tendon-driven gripper that utilizes four shape memory alloy (SMA) spring actuators variable stiffness joints controlled by SMA coils use MRI robot applications....

Electronic applications of porous metal-organic frameworks (MOFs) have recently emerged as an important research area. However, there is still no report on using MOF solid electrolytes in iontronics, which could take advantage the feature MOFs ionic transport. In this article, MXene-derived two-dimensional porphyrinic (MX-MOF) films are demonstrated electronic-grade proton-conducting electrolyte. Meanwhile, MX-MOF film shows high quality, chemical stability, and capability standard device...

Pt films, as bottom electrodes for PZT capacitors, were deposited on Ti/SiO 2 /Si substrates using DC magnetron sputtering under various deposition conditions. The effects of post-annealing surface morphology, element diffusion, microstructure and structural phase the films investigated. structure electrical properties Pt/Ti/SiO also studied. As temperature film increases rate decreases, becomes dense so that Ti out-diffusion deformation are suppressed. out-diffused faciliates formation...