The recent advancements in interfacial evaporation of salty water using renewable solar energy provide one the promising pathways to solve worldwide scarcity. Pursuing a stable rate has been central focus this field, as it is directly related throughput, while salt deposition on evaporator becomes critical issue. Although Janus-structured evaporators with an upper hydrophobic layer and bottom hydrophilic have demonstrated effective way suppress precipitation, layer, achieved usually by some...

A facile approach for the fabrication of novel black plasmonic colloidosomes assembled from Au nanospheres is developed by an emulsion-templating strategy. This self-assembly process based on a new reverse water-in-1-butanol emulsion system, in which water droplets can dissolve into 1-butanol (oil) phase at appropriate rate. These possess hexagonal close-packed multilayer shells and show low reflectivity intense broadband absorption owing to strong interparticle coupling, further...

Solar-driven interfacial steam generation is a promising technique for clean water production because it can minimize thermal loss by localizing solar-to-heat conversion at the air/liquid interface. Here we report an integrated solar evaporator partially growing 2D polypyrrole microsheets within melamine foam through chemical vapor polymerization. These induce multiple light reflections foam, enable omnidirectional absorption, provide abundant surfaces to promote heat transfer, and achieve...

An effective and inexpensive method is developed to fabricate periodic arrays by sacrificial colloidal monolayer template route chemical deposition further physical deposition. By a induced precursor solution dipping strategy, different of semi-hollow sphere array, inverse opal with pore hole are obtained under conditions. After magnetron sputtering deposition, their morphologies changed novel micro/nanostructured honeycomb-shaped arrays, hollow cavity regular network due multiple direction...

We develop a facile and effective strategy to prepare monodispersed Au spherical nanoparticles by two steps. Large-scale monocrystalline nanooctahedra with uniform size were synthesized polyol-route subsequently transformed from octahedron shape in liquid under ambient atmosphere non-focused laser irradiation very short time. High monodipersed, ultra-smooth gold nanospheres can be obtained simply optimizing the fluence Photothermal melting-evaporation model was employed get better...

Tuning the electronic structure, morphology, and structure of electrocatalysts is great significance to achieve a highly active stable hydrogen evolution reaction (HER). Herein, combining hydrothermal low temperature phosphidation methods, V-doped Ni2P nanosheet arrays grown on carbon cloth (V-Ni2P NSAs/CC) were successfully prepared for HER. It found that V-Ni2P NSAs/CC exhibits preeminent performance Specifically, it only requires an overpotential 85 mV current density 10 mA cm-2 in 1.0 M...

Nanostructured ZnO exhibits high chemical stability and unique optical properties, representing a promising candidate among photocatalysts in the field of environmental remediation solar energy conversion. However, only absorbs UV light, which accounts for less than 5% total irradiation, significantly limiting its applications. In this article, we report facile efficient approach to overcome poor wettability between Au by carefully modulating surface charge density on nanoparticles (NPs),...

Periodic hexagonal spherical nanoparticle arrays are fabricated by a sacrificial colloidal monolayer template route chemical deposition and further physical deposition. The regular network‐structured first templated monolayers then they changed to novel periodic sputtering due multiple direction shadow effect between adjacent nanoparticles. nanogaps two nanoparticles can be well tuned controlling time. Such with gold coatings demonstrate very stable high sensitive surface‐enhanced Raman...

Abstract A self‐confined solid‐state dewetting mechanism is reported that can fundamentally reduce the use of sophisticated nanofabrication techniques, enabling efficient wafer‐scale patterning non‐closely packed ( ncp ) gold nanoparticle arrays. When combined with a soft lithography process, this approach address reproducibility challenges associated colloidal crystal self‐assembly, allowing for batch fabrication arrays consistent ordering and even optical properties. The resulting dewetted...

The properties of the ZnO thin films prepared by metalorganic vapor phase epitaxy under various oxygen partial pressures were thoroughly studied. It was found that conduction type in undoped epilayers could be controlled adjusting family VI precursor, pressure during growth. characteristic n-type conductivity lower than 45 Pa. With increase content, crystallinity degraded to polycrystalline with additional (10–12) orientation and intrinsic p-type produced as larger 55 hole concentration...

Monodispersed Nb2O5 microspheres, synthesized by a one-step solvothermal method, rapidly self-organize into large-scale (cm2 level) layer-controlled homogenous films facile butanol-assisted air/water interfacial self-assembly approach. Further, novel air/solution route is presented to obtain composite materials, and In2O3-Nb2O5 hybrid achieve promoted NO2 sensing performances at low temperature (200 °C) with high sensitivity good selectivity. As service our authors readers, this journal...

Abstract A novel Au dimer‐based colorimetric sensor is reported that consists of dimers to a chitosan hydrogel film. It utilizes the ultrasensitively gap‐dependent properties plasmonic coupling (PC) peak shift, which associated with dynamical tuning interparticle gap dimer driven by volume swelling The and PC shift can be precisely extensively controlled through pH‐driven change This exhibits high optical sensitivity stability, it works in completely reversible manner at pH values....

Abstract To boost the electrocatalytic activity of metal nanoparticles, it is important to rationally design composition and surface atomic structure, develop efficient synthesis protocols. Herein, a facile one‐pot self‐templated method for preparing PtPdAg hollow nanodendrites (HNDs) deployed. These HNDs possess rich steps grain boundaries, leading evidently higher catalytic in methanol electrooxidation reaction than commercial Pt black solid particles with smooth surfaces. From control...

A route is developed for directly growing 2D Au polyhedron arrays with controllable exposed facets of by utilizing the substrate-supported quasi-spherical nanoparticle as seed arrays, which cannot be realized traditional lithography. In reaction system, polyvinyl pyrrolidone (PVP) plays a vital role in guiding reduced atoms and stabilizing seeds. More importantly, thermodynamic control, PVP capping agent can further direct formation {111} facets. The key to guarantee integrity periodicity...

A capillary gradient‐induced self‐assembly strategy is developed to successfully fabricate 2D periodic Au nanosphere arrays on a centimeter‐sized scale through bisolvent system at air/water interface. The used in this consists of two steps. It first induces nanoparticles (NPs) floating the water surface. Then, it compresses sparse NPs into densely close‐packed array by creating an effective gradient along This study indicates that effects depend solubility and vapor pressure compressing...

We report the successful synthesis of Mn doped CoN nanowires on a carbon fiber cloth substrate (CFC) by two-step strategy, which can be used as an efficient and stable OER electrocatalyst under both alkaline neutral conditions.

Abstract The large‐scale fabrication of two‐dimensional periodic nanostructures in high quality holds great promises for building novel nanoscale devices. They have been conventionally produced using interface‐mediated self‐assembly strategies such as the Langmuir‐Blodgett and oil‐water interfacial assembly methods, which however are limited by stringent requirements hydrophilicity/hydrophobicity particle surface. In this article, we review recent progress on air‐liquid to demonstrate that...

The sponge-like Au–Ag alloy nanocubes (NCs) showed excellent SERS performance derived from high-density “hotspots” in nanopores, sharp corners and edges, synergistic effect between Au Ag species.

The controllable assembly of nanoparticles into nonclose-packed (NCP) arrays exhibits unusual optical properties [e.g., surface lattice resonances (SLRs)] but are challenging to construct, especially for NCP binary composed diversified nanoparticles. Here, we show the construction two-dimensional (2D) Au nanoparticle by modulating convective self-assembly colloidal on a templating array. By dramatically inhibiting coffee ring effect during evaporation, this approach allows stack around...

Abstract Emulsions are versatile and robust platforms for colloidal self‐assembly, but their ability to create complex functional superstructures is hindered by the inherent symmetry of droplets. Here creation an aerosol nested transient emulsion droplets with asymmetry reported, achieved converging beams water 1‐butanol mists. Self‐assembly nanoparticles occurs within such as driven rapid two‐phase interface diffusion, producing anisotropic superstructures. A unique hollowing process...

Novel spongy AuAgPt alloy nanospheres with high-index facets, grain boundaries and lattice distortion were developed as highly active electrooxidation catalysts.