Two-dimensional materials having a layered structure comprise monolayer or multilayers of atomic thickness and ultra-low shear strength. Their high specific surface area, in-plane strength, weak layer-layer interaction, chemical stability result in remarkably low friction wear-resisting properties. Thus, 2D have attracted considerable attention. In recent years, great advances been made the scientific research industrial applications anti-friction, anti-wear, lubrication materials. this...

Abstract The remarkable ability of geckos to climb and run rapidly on walls ceilings has recently received considerable interest from many researchers. Significant progress been made in understanding the attachment detachment mechanisms fabrication articulated gecko-inspired adhesives structured surfaces. This article reviews direct experiments that have investigated properties gecko hierarchical structures, i.e., feet, toes, setae, spatulae, corresponding models ascertain mechanical...

The slippage effect at the interface between a confined fluid and surface around it has potential application in microfluidic nanofluidic devices. To investigate of on superhydrophobic surfaces, series rheological experiments are carried out for surfaces coated with carbon nanotube forests (CNTs), which prepared by chemical vapor deposition method (CVD). results show that such can create certain effects flowing over them slip length is accordance theoretical prediction as well value measured...

Gecko-inspired surfaces are smart dry adhesive that have attracted much attention because of their wide range potential applications. However, strong frictional force, rather than is frequently targeted in most research this area. In study, the interfacial and properties a gecko-inspired mushroom-shaped polyurethane pillar array surface been systematically characterized to design control adhesion by considering nanoscale adhesion, microscale structural compliance deformation, macro-scale...

The fabrication of a photodetector and gas sensor based on hierarchical Bi2S3 nanostructures is reported. Single crystalline with [001] growth direction were obtained via facile hydrothermal method without any templates or surfactants. showed steady photoresponses fast response time ∼50 ms. Moreover, these exhibited good sensing to methanol. These results show are promising candidates for constructing optoelectronic devices.

Graphene is a honeycomb hexagonal 2D crystal nanomaterial with thickness of only 0.334 nm. It has been widely used and studied because its ultra-thin nano-characteristics excellent electrical, thermal, optical mechanical properties. With the continuous in-depth study graphene, liquid phase dispersion graphene also achieved breakthroughs. This review summarises research progress exfoliation mechanism, method, stable mechanism method in recent years. The situations Hamaker constant theory...

This study explored the impact response of two bio-inspired composite laminates with linear and non-linear helicoidal fibre architectures. The laminates, together quasi-isotropic cross-ply control samples, were fabricated using heterocyclic aramid fibres tested against a spherical projectile under high velocities. results revealed that lay-ups small rotation angles led to inferior perforation resistance energy absorption capacity when compared counterparts. configuration was confirmed as...

Herein, improving the conductivity of lubricant itself is main idea behind current‐conductive designs. However, as per previous studies, interface state has a more dominant influence on than lubricant. Therefore, direct and effective way to improve conductivity. In this study, primary underlying design conductive Multilayer graphene/ionic liquid (MG/IL) composites with excellent interfacial adsorption properties are prepared using IL non‐covalently modified graphene. Subsequently,...

The present paper determines the dynamic damage resistance of three-dimensional (3D) woven carbon/heterocyclic aramid fibre hybrid composites subjected to low-velocity impact. main purpose this article is determine whether structures can improve 3D composites. Four types composites, which are pure carbon, set heterocyclic fibres as binder yarns, interlaminar hybrids and intralaminar hybrids, employed in study. An instrumented drop-weight impact facility was used for experimental tests, with...

With the rapid development of electric vehicle industry, motor bearings have higher requirements for friction reduction and electrical conductivity grease. The addition lubricant additives to improve interfacial state is an effective method enhancing both lubrication conductivity. In this study, graphene (G) silver nanoparticles (AG) were modified using ionic liquids (ILs) prepare additive liquid/graphene/silver (GILAG) with good performance. GILAG was incorporated into grease,...

Silver nanoparticle-coated multi-walled carbon nanotube (Ag/MWNT) composites were prepared using a chemical plating method that effectively controls the overgrowth of silver nanoparticles, ensuring uniform particle size. Functionalization surface with numerous functional groups facilitates binding ions to nanotubes (MWNTs). This process results in Ag/MWNT distribution through reduction via mirror reaction. The impact dispersants and reducing agents on coating was studied. revealed formation...

Laser driven electron beam has important application value in the field of space radiation environment simulation. However, due to shortcomings poor spectrum tunability and high laser energy generated by direct irradiation high-density solid targets, which limits its wide application. In this paper, a scheme is proposed simulate orbital near-Earth using dual-plane composited target acceleration. It found that Ⅱ can provide large number low electrons, while vertical plane Ⅰ placed front...

Dendrites and water‐induced side reactions impose greatly challenge on the implementation of aqueous zinc ion batteries. To tackle these problems, an artificial rectified layer (ARL) with hydrophobic, zincophilic insulating features was in‐situ synthesized Zn surface rapidly to prevent electron leakage from anode electrolyte, which is underlying logic for uneven deposition parasitic reactions. The ARL also displays a high Zn2+ transference number 0.71 can build fast transport channels...

Preventing and controlling agricultural non-point-source pollution, advancing the industry, facilitating cation–π interaction to address cation instability fertilizer loss are crucial for sustainability. Due unique π-bond characteristics of GO (graphene oxide), it was selected as a carrier improve anti-loss capabilities facilitate effective release nutrient ions. By adjusting interface properties GO, RGO (rippled graphene oxide) CGO (crumpled were successfully prepared, their interactions...

The corrosive nature of ionic liquids (ILs) limits their potential as high-performance conductive lubricants in practical engineering applications. This study systematically investigates the effects benzotriazole (BTA) a corrosion inhibitor on lubricating performance ILs at different concentrations and applied currents, along with underlying mechanisms. In 0.5–5 A current range, BTA effectively reduces friction, wear, arc erosion damage to friction surface. As increases, BTA-Fe reaction film...

The study of the mechanism controlled adhesion geckos, which is important for design and fabrication bio-inspired dry reversible adhesive surfaces, widely discussed below setal level. In this work, role soft lamellar skin in gecko toe was experimentally revealed. acting as a spring sustains most normal deformation during preloading maintains wide range state rather than repulsive state. sequential engagement peeling off array are responsible reliable friction control. This supported pillar...