Nanopores and nanochannels are ubiquitous, from biological systems to various artificial materials. Taking advantage of size confinement tailoring the interior components, numerous functions can be achieved such as selectivity, gating, rectification, so on, which result diverse interactions between ion/molecule nanopore/nanochannel. In this Perspective, on account summarized critical principles, namely size/shape, wettability, charge, recognition, other during transportation in nanopores...

Water wetting behavior in nanoconfined environments plays an important role mass transport and signal transmission of organisms. It is valuable challenging to investigate how water behaves such a nanometer-scale with external stimuli, particular electric field light. Unfortunately, the mechanism hydrophobic reaction inside nanospaces still obscure lacks experimental support for current electric-field- or photoresponsive nanochannels which suffer from fragility monofunctionality. Here, we...

Long-range ordered membranes comprised of porous nanoparticles have been pursued in precise separations for a long time. Yet most the fabrication methods suffer from limited substrates or lack control over crystal orientation. Herein, large-scale metal-organic framework (MOF) monolayer with controlled orientations are prepared through an interfacial self-assembly process confined by superlyophilic substrates. The superspreading reactant microdroplets results ultrathin liquid layer under...

Abstract Inspired by biological channels, metal‐organic framework (MOF) membranes with sub‐nanometer sized channels offer an ideal platform to construct high‐performance artificial nanofluidic system. However, fabricating long‐range ordered MOF is still a significant challenge. Herein, superspreading‐confined assembly method developed prepare large‐scale oriented 2D (Zn‐TCPP (TCPP = meso‐tetra(4‐carboxyphenyl) porphine)) membranes. The superspreading of reactant liquid under oil phase form...

A highly efficient iridium catalyst is developed for the chemoselective reduction of aldehydes to alcohols in water, using formic acid as a reductant.

Abstract Silicon wafers have been widely used in the semiconductor industry for many decades. Over past decades, with development of organic optoelectronic materials, silicon‐based organic–inorganic hybrid devices received more and interest fundamental applied research. To obtain uniform films devices, superamphiphilic surfaces, on which both water oil can spread completely, show great advantages. Herein, we prepared silicon wafer surfaces contact angles (CAs) near 0° typical liquids....

Abstract The dynamic spreading phenomenon of liquids is vital for both understanding wetting mechanisms and visual reaction time‐related applications. However, how to control accelerate the process still an enormous challenge. Here, a unique microchannel nanofiber array morphology enhanced rapid superspreading (RSS) effect on animals’ corneas with time (ST) 830 ms found, respective roles in RSS are explicitly demonstrated. Specifically, induced by in‐/out‐of‐plane nanocapillary forces among...

Controllable impact spreading behavior is critical for effective thermal management of spray cooling. However, splash and retraction are common problems on hydrophobic (HPB) hydrophilic (HPL) surfaces. Herein, by regulation surface wettability, we report a controllable ultrafast superspreading (superspreading time ∼3.0 ms) without superamphiphilic (SAPL) silicon Analysis dynamic wetting processes combined with observation lateral force microscopy images SAPL surfaces reveals the existence...

Abstract Dispersion of colloidal particles in water or oil is extensively desired for industrial and environmental applications. However, it often strongly depends on indispensable assistance chemical surfactants introduction nanoprotrusions onto the particle surface. Here we demonstrate omnidispersity hydrophilic-hydrophobic heterostructure (HL-HBPs), synthesized by a surface heterogeneous nanostructuring strategy. Photo-induced force microscopy (PiFM) adhesion images both indicate...

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...

Resistive strain sensors play a crucial role in the development of flexible and stretchable electronics because their excellent sensitivity conformability. However, such suffer from poor durability low adhesion strength between solid conductive layer polymer irreparable dry friction inside conventional layers. Here, inspired structures abrasion resistance tear films on animal corneas, we demonstrate ultradurable based uniform self-healing wear-free liquid formed biomimetic microvilli made...

The prostate-specific antigen (PSA) has been widely used for the early diagnosis of prostate cancer during routine check-ups. However, low sensitivity regular PSA tests in gray zone often means that patients are required to undergo further invasive needle biopsy cancer, which may lead potential overdiagnosis and overtreatment. In this study, a circulating tumor cell (CTC)-chip based on an evaporation-induced reduced graphene oxide (rGO) coating is presented, enables highly specific...

Taking advantage of gas/liquid/solid three-phase interfaces (TPIs), electrodes with superior performance have been prepared due to the effective transport gaseous reactants and suitable mediation local interface environments in electrochemical reactions that involve gases. Strategies pore structures, surface chemical composition, as well novel electrode reaction-system configurations, are commonly used construct these electrodes. Here, representative occur at TPIs summarized systematically...

Gas sensing is vital for ecological protection in agriculture, early disease diagnosis biomedicine, and safety industrial production. Covalent organic frameworks (COFs), a new class of porous polymer materials, can be customized through specific ligand selection to tailor pore sizes active sites, enabling them selectively enrich interact with targeted gas molecules, making promising candidates sensing. To advance their use this field, it essential investigate the mechanisms complex...

Liquid-phase extraction is widely used in the chemical industry. Traditional extracting routes always involve multiple procedures, need a large floor space, and have long operating time. "Continuous situ extraction" that can conduct real-time integration of solutes solvents separation simultaneously would be great significance. Superwettable materials offer us good choice to separate different immiscible solvents; herein, we achieve continuous multiphase complex systems by using porous...

Reversible switching of water-droplet adhesion on solid surfaces is great significance for smart devices, such as microfluidics. In this work, we designed a foolproof method fast and reversible magnet-controlled by doping iron powders in soft poly(dimethylsiloxane). The water adjusted magnetic field-induced structure changes, avoiding complex chemical or physical surface design. regulation process so convenient that only tens milliseconds are needed. on-site responsive mechanism extends its...

An iridium-catalyzed oxidation of aldehydes to acids was realized by using air as the oxidant and water solvent in presence base. Interestingly, same type catalysts were also used for reduction under acidic conditions. A common iridium hydride intermediate is proposed both redox reactions. The has a number advantages such high yields, great functionality tolerance, easy purification without chromatography.

Abstract Liquid spreading is fundamental to many applications in interfacial materials. However, anisotropic inside superlyophilic fabrics, playing an important role clothing materials, ink printing, medical masks, and paper manufacturing industry, rarely studied. Here, a special wetting phenomenon introduced on Chinese Xuan papers, kind of handmade papers dating from thousands years ago China, mainly for painting calligraphy with brushes. Different other or porous liquid, such as ink,...

Titanium dioxide (TiO2) is widely used in various fields both daily life and industry owing to its excellent photoelectric properties induced superwettability. Over the past several decades, methods have been reported improve wettability of TiO2 plenty practical applications developed. The TiO2-derived materials with different morphologies display a variety functions including photocatalysis, self-cleaning, oil-water separation, etc. Herein, superwettability are summarized described...

Metal–organic framework (MOF) membranes have significant application prospects in different fields, such as separation, detection, anticorrosion and energy capture conversion so on. However, the difficulty of constructing free-standing MOF has hindered their applications. Here, we propose a facile strategy to fabricate sheets with easy-peeling easy-transfer properties through electrochemical printing on superhydrophobic micropillar-structured substrates. During process, electrophoretic...

Abstract Morphology greatly impacts the performance improvement of conducting polymers for signal detection, actuator microfabrication, and droplet manipulation applications. However, most previous methods cannot satisfy practical demands due to their intrinsic drawbacks. Here, a general strategy is developed fabrication patterned with precisely controlled microstructures (e.g., polypyrrole microsuckers) by regulating solid/liquid/gas triphase interface electrochemical polymerization. By...