Abstract Co‐free O3‐type NaNi 0.5 Mn O 2 cathode material for sodium‐ion batteries has shown great promise due to its high theoretical capacity and plentiful Na reservoir. However, the rapid recession caused by harmful phase transition large volume strain severely restricts their practical application. Herein, obstacle is well addressed constructing a P2&O3 biphasic structure via customized boron‐doping strategy. The light‐weight boron doping in interstitial position reduces energy gap...

As the benchmark anode material for sodium-ion batteries, hard carbon (HC) is still confronted by unsatisfactory initial Coulombic efficiency and an unstable solid electrolyte interphase (SEI), which degrade energy density cycling performance. Herein, we demonstrate first-time application of sodium alkoxyaluminum hydride (RA) as a bifunctional presodiation reagent HC electrode. By driving homogeneous accommodation Na into electrode concurrently inducing formation passivative Al2O3 nanolayer,...

Abstract In photocatalysis, the Schottky barrier in metal–semiconductor hybrids is known to promote charge separation, but a core–shell structure always leads build‐up and eventually shuts off photocurrent. Here, we show that Au–Cu 2 O hybrid nanostructures can be continuously tuned, particularly when Cu domains are single‐crystalline. This contrast conventional systems, where configuration mainly determined by choice of materials. The distal separation Janus enhanced large improvement...

Abstract The physicochemical properties of heterogeneous catalysts in static or inert environments often deviate greatly from the under in‐situ working conditions. To gain an insightful understanding realistic catalyst and corresponding catalytic mechanisms, it is essential to identify rationalize changes reaction In recent years, transmission electron microscope (in‐situ TEM) techniques have been increasingly developed, offering a unique approach visualize evolution catalysis with...

Tailoring the morphology of nanocrystals is a promising way to enhance their catalytic performance. In most previous shape-controlled synthesis strategies, surfactants are inevitable due capability stabilize different facets. However, adsorbed block intrinsic active sites nanocrystals, reducing For now, strategies control without still limited but necessary. Herein, facile surfactant-free method developed regulate Cu2O (e.g., solid nanocube, concave cubic framework, branching and framework)...

Abstract Solar‐to‐hydrogen (STH) conversion through unassisted artificial photosynthesis (APS) devices is one of the promising and environmentally friendly strategies for sustainable development. However, practical large‐scale application APS impeded by need expensive noble metal‐based catalysts in photovoltaics and/or electrolyzers. Herein, well‐aligned 2D Ni x S y nanowalls (2D NWs) on a 3D nitrogen‐doped graphene foam (3D NGF) are synthesized further employed it APS. Due to positive...

Abstract Synthetic skills are the prerequisite and foundation for modern chemical pharmaceutical industry. The same is true nanotechnology, whose development has been hindered by sluggish advance of its synthetic toolbox, i.e., emerging field nanosynthesis. Unlike organic chemistry, where variety functional groups provides numerous handles designing selectivity, colloidal particles have only facets ligands. Such similar in reactivity to each other, limited type, symmetrically positioned,...

Industrial production of HCN from NH3 and CH4 not only uses precious Pt or Pt–Rh catalysts but also requires extremely high temperatures (∼1600 K). From an energetic, operational, safety perspective, a drastic decrease in temperature is highly desirable. Here, we report ammonia reforming methane for the H2 at 673 K by combination CH4/NH3 plasma supported Cu/silicalite-1 catalyst. 30% conversion has been achieved with 79% selectivity. Catalyst characterization diagnostics reveal that...

Hydrogen peroxide (H2O2) is known to convert SO2 sulfuric acid and acts as a dominant reservoir of highly reactive hydroxyl radical (OH) in atmospheric waters (cloud, fog, rain, aerosol liquid water). Here, we conclusively demonstrate that photosensitized oxidation phenolic substances (catechol, o-cresol, guaiacol) by the excited triplet state nonphenolic compound (3,4-dimethoxybenzaldehyde, DMB) represents an unrecognized significant source H2O2. Intriguingly, highest H2O2 formation rate,...

Eucommia ulmoides rubber (EUR) is the ideal natural resource in field of composite film materials due to characteristics lightweight, good sealing, etc. However, traditional separation processes EUR are complex and yield low. Additionally, very easily oxidized a white, brittle, degradable powder, which limits development application products. In this study, DES-H2O2 pretreatment synergistic enzymatic hydrolysis procedure was performed reduce "biomass recalcitrance" E. Oliver bark result high...

Metal single atoms are of increasing importance in catalytic reactions. However, the mass diffusion is yet substantially limited by confined surface support comparison to homogeneous catalysis. Here, we demonstrate that cylindrical micellar brushes with highly solvated poly(2-vinylpyridine) coronas can immobilize 33 types metal 8.3 40.9 weight % contents on conventional electrodes under ambient conditions. This favored forest-like hierarchically open soft structure and dynamic coordination...

Abstract Achieving active and sustainable electrocatalysts for the oxygen reduction reaction with low cost high performance attracts great interest in field of fuel cells. Here, we report a facile route to prepare hollow CeO 2 /CePO 4 @N,P co‐doped carbon by pyrolyzing @polyaniline obtained presence phytic acid. By virtue co‐doping N P elements as well existence vacancies formation void, product illustrated excellent catalytic activity towards onset half‐wave potentials 0.918 0.822 V,...

A silver-catalyzed cascade cyclization reaction of isocyanides with sulfoxonium ylides has been developed for the first time. This provides a new and efficient method construction highly functionalized 3-aminofurans 4-aminoquinolines from readily available starting materials in single step.

Abstract In photocatalysis, the Schottky barrier in metal–semiconductor hybrids is known to promote charge separation, but a core–shell structure always leads build‐up and eventually shuts off photocurrent. Here, we show that Au–Cu 2 O hybrid nanostructures can be continuously tuned, particularly when Cu domains are single‐crystalline. This contrast conventional systems, where configuration mainly determined by choice of materials. The distal separation Janus enhanced large improvement...

Magnetic nanocatalysts with properties of easy recovery, induced heating, or magnetic levitation play a crucial role in advancing intelligent techniques. Herein, we report method for the synthesis versatile core-shell-type through "noncontact" hydrogen spillover-driven reduction and migration iron oxide assistance Pd. In situ analysis techniques were applied to visualize dynamic evolution nanocatalysts. Pd facilitates dissociation molecules into activated H*, which then spills thus drives...

Abstract Propane dehydrogenation (PDH) is crucial for propylene production, but commercially employed Pt‐based catalysts face susceptibility to deactivation due the Pt sintering during reaction and regeneration steps. Here, we report a SiO 2 supported nanometric (MnCoCuZnPt) high‐entropy PDH catalyst with high activity stability. The exhibited super propane conversion of 56.6 % 94 selectivity at 600 °C. productivity reached 68.5 mol C3H6 ⋅ g −1 h , nearly three times that Pt/SiO (23.5 )...

Catalysts with designable intelligent nanostructure may potentially drive the changes in chemical reaction techniques. Herein, a multi-function integrating nanocatalyst, Pt-containing magnetic yolk-shell carbonaceous structure, having catalysis function, microenvironment heating, thermal insulation, and elevated pressure into whole is designed, which induces selective hydrogenation within heating-constrained nanoreactors surrounded by ambient environment. As demonstration, carbonyl of α,...

Abstract Humic‐like substances (HULIS) are a ubiquitous reactive component of atmospheric aerosol. They participate in the formation secondary organic aerosols via chemical reactions with oxidants. Here, we assess influence transition metal ions (namely ferric iron, Fe(III)), and nitrate () on heterogeneous reaction gaseous NO 2 an aqueous film containing gallic acid (GA) or tannic (TA) as proxies for HULIS. Using vertical wetted wall flow tube technique, uptake coefficients GA TA increased...

In contrast to the conventional mode of etching where nanostructures always become rounder, we show a new that could generate lines serrated sawteeth at edge Au nanoplates. Dynamic ligand control would lead uniform etching, whereas static completely inhibit none which explain sharpening teeth with partial etching. We propose combine concept on–off dynamics curvature-dependent affinity and dynamic competition, so as form coherent mechanistic explanation. The ability create regularly arranged...

Gallic acid (GA, 3,4,5-trihydroxybenzoic acid) is a widely used natural food additive of interest to chemistry researchers, especially regarding its effects on myofibrillar protein (MP) oxidation. However, existing studies MP oxidation by GA-combined with Fenton reagents are inconsistent, and the detailed mechanisms have not been fully elucidated. This work validated hydroxyl radical (HO·) as primary oxidant for carbonylation; in addition, it revealed three functions GA MP. By coordination...

Constructing and regulating the metal-support interaction by surface defects of support have emerged as a promising approach to optimizing catalytic performance on hexagonal boron nitride (h-BN)-supported metal catalysts. Here, we report highly dispersed stable nickel nanoparticles derived from strongly interacted borate species with nitrogen-vacancy-rich h-BN (mBN) for promoting CO methanation catalysis. Experimental characterization results reveal that strong between mBN Ni originates in...

The synthesis of highly dispersed Au nanoclusters that are stable under elevated temperatures in heterogeneous catalysis is challenging. Here, we directly observe a strong metal-support interaction (SMSI)-induced dispersion nanoparticles (NPs) on α-MoC using an environmentally atomically resolved secondary imaging technique. Under realistic environment, NPs flatten and spread out the to form two-dimensional atomic layered clusters. formed Au/α-MoC catalyst shows excellent stability at 600 °C...