Highly active, durable, and inexpensive nanostructured catalysts are crucial for achieving efficient economical electrochemical water splitting. However, developing approaches to further improve the catalytic ability of well-defined is still a big challenge. Herein, we report facile universal cation-exchange process synthesizing Fe-doped Ni(OH)2 Co(OH)2 nanosheets with enriched active sites toward enhanced oxygen evolution reaction (OER). In comparison typical NiFe layered double hydroxide...

With the impacts of climate change and impending crisis clean drinking water, designing functional materials for water harvesting from fog with large capacity has received much attention in recent years. Nature evolved different strategies surviving dry, arid, xeric conditions. is a school human beings. In this contribution, inspired by Stenocara beetle, superhydrophilic/superhydrophobic patterned surfaces are fabricated on silica poly(dimethylsiloxane) (PDMS)‐coated superhydrophobic using...

Abstract The phenomenon of liquid metal “heartbeat” oscillation presents intriguing applications in microfluidic devices, drug delivery, and miniature robotics. However, achieving high vibrational kinetic energy outputs these systems remains challenging. In this study, we developed a graphite ring electrode with V‐shaped inner wall that enables wide‐ranging control over the performance based on droplet size height V‐shape. mechanism driving heartbeat is defined as dynamic process involving...

In this paper, an improved dipole-moment model for characterizing near-field coupling and far-field radiation from IC based on scanning is proposed. An array of electric magnetic dipole moments used to reproduce the field distributions in a plane above IC. These can then be as noise sources order ensure accurate prediction IC, regularization technique truncated singular-value decomposition method are investigated together with conventional least-squares method, reconstruct data. A simple...

A low-cost and reusable novel superhydrophilic underwater superoleophobic NiO/Ni mesh with a micro/nanoscale hierarchical structure exhibits superior oil/water separation in harsh environments.

Abstract Electrode surface wettability is critically important for heterogeneous electrochemical reactions taking place in aqueous and nonaqueous media. Herein, electrochemically inert g‐C 3 N 4 (GCN) successfully demonstrated to significantly enhance water oxidation by constructing a superhydrophilic catalyst promoting substantial exposure of active sites. As proof‐of‐concept application, GCN/Ni(OH) 2 (GCNN) hybrids with monodispersed Ni(OH) nanoplates strongly anchored on GCN are...

A triphenylamine-based organic luminophor (TPA-CO) with a highly distorted structure has been designed and effortlessly obtained by an Ullmann reaction. The exhibits stimuli-induced emission enhancement effect intramolecular charge transfer properties. fluorescence efficiency of its crystals is dramatically increased from 0.4% to 12.3% upon grinding. also realized heating process. "bright" state can recover original turn "dark". luminescence "on–off" behaviour repeatedly transformed...

Chemomechanical effects are known to initiate fluid oscillations in certain liquid metals; however, they typically produce an irregular motion that is difficult deactivate or control. Here we show stimulating gallium with electrochemistry can cause a metal drop exhibit heart beating effect by shape shifting at telltale frequency. Unlike the reported past for mercury, symmetry-breaking forces generated using propel several millimeters velocities of order 1 cm per second. We demonstrate...

Abstract Aramid fibers are widely used in many cutting‐edge fields, including space, aviation, military, and electronics. However, their poor UV resistance surface inertness seriously hinder utilization, especially harsh environments. Here, a dual‐layer ultrathin Al 2 O 3 –TiO coating with thickness of 70–180 nm is fabricated on aramid by modified atomic layer deposition (ALD) method. The tenacity ALD‐coated decreases only ≈0.85% after exposure to intense light (4260 W m −2 ) under high...

As the most favored high-quality biopolymer, silk fiber is widely used in textile and medical industries owing to its impressive mechanical properties, wear comfort biocompatibility. However, photoinstability, chemical instability, thermal instability seriously hinder utilization luxurious fashionable apparels. Therefore, we herein report preparation of an ultrathin uniform TiO2-Al2O3 cloth with a thickness just six thousand on silkworm via atomic layer deposition. In this composite cloth,...

Abstract Knowledge of intrinsic wettability at solid/liquid interfaces the molecular level perspective is significant in understanding crucial progress some fields, such as electrochemistry, biology and earth science. It generally believed that surface determined by chemical component topography. However, when taking structures interactions into consideration, many intriguing phenomena would enrich or even redress our wettability. From interfacial water molecule structures, here, we...

Enhancing the wettability of liquid metals (LMs) to address their high surface tensions is crucial for practical applications. However, controlling LMs wetting on various substrates and understanding underlying mechanisms are challenging. Here, we present a facile dynamic-wetting strategy modulate eutectic gallium-indium (EGaIn) via chemical modification, spontaneously forming stable thin (∼18 μm) EGaIn layer. Polymer exhibiting varying behaviors can be categorized by sliding angles adhesion...

Indium has attracted significant attention in thermal management applications due to its low melting point, high conductivity, and ductility. However, the wetting behavior between indium nickel or alloys, commonly used as bonding layers, is often suboptimal soldering applications. This study investigates high-temperature intermetallic compound (IMC) growth NiCu alloy layers. layers were successfully electroplated, ensuring uniform thickness smooth surfaces. Nano-thick of Cu, Ag, Au applied...

The authors demonstrate that it is possible to transform a supercooled liquid metal at room temperature into variety of shapes in solids by combined deformation and induced crystallization from the supercooling state. discover both reversible irreversible can be achieved simultaneously for gallium alkaline or acid electrolytes using electrodes are non‐wetted wetted with gallium, respectively. Our findings on simultaneous solidification offer novel approach controlled patterning temperature.

Room-temperature liquid metal is discovered to be capable of penetrating through macro- and microporous materials by applying a voltage. The penetration effects are demonstrated in various porous such as tissue paper, thick fine sponges, fabrics, meshes. underlying mechanism that the high surface tension can significantly reduced near-zero due voltage-induced oxidation solution. It extremely low gravity cause superwet solid surface, leading phenomena. These findings offer new opportunities...

Non-contact, maskless, voltage induced electrochemical lithography for liquid metals was demonstrated at room temperature.

Nature-inspired superamphiphilic surfaces have drawn tremendous attention owing to its extreme liquid-loving behaviors. Herein, a micro-organized nano-channel (Mo-Na) anodic aluminum oxide (AAO) surface with long-lasting property is prepared by facile one-step anodization method controllable temperature change. Analysis of dynamic wetting behaviors on Mo-Na AAO for various liquids reveals that the spreading factor in negative correlation tension and liquid polarity. Detailed observation...

Polyaniline-based conductive polymers are promising electrochemical sensor materials due to their unique physical and chemical properties, such as good gas absorption, low dielectric loss, thermal stabilities. The sensing performance is highly dependent on the structure dimensions of polyaniline-based polymers. Although in situ oxidative polymerization combined with self-assembly process has become one main processes for preparation flexible sensors, how prepare polyaniline into uniformly...