Abstract Replacement of precious metals with earth‐abundant electrocatalysts for oxygen evolution reaction (OER) holds great promise realizing practically viable water‐splitting systems. It still remains a challenge to develop low‐cost, highly efficient, and durable OER catalysts. Here, the composition morphology Ni–Co bimetal phosphide nanocages are engineered efficient electrocatalyst. The nanocage structure enlarges effective specific area facilitates contact between catalyst electrolyte....

Graphene oxide and its derivatives have been widely explored for their antimicrobial properties due to high surface-to-volume ratios unique chemical physical properties. However, little information is available on effects viruses. In this study, we report the broad-spectrum antiviral activity of GO against pseudorabies virus (PRV, a DNA virus) porcine epidemic diarrhea (PEDV, an RNA virus). Our results showed that significantly suppressed infection PRV PEDV 2 log reduction in titers at...

Abstract To alleviate photoinduced charge recombination in semiconducting nanomaterials represents an important endeavor toward high‐efficiency photocatalysis. Here a judicious integration of piezoelectric and photocatalytic properties organolead halide perovskite CH 3 NH PbI (MAPbI ) to enable piezophotocatalytic activity under simultaneous ultrasonication visible light illumination for markedly enhanced hydrogen generation MAPbI is reported. The conduction band minimum higher than...

Structure-engineered Pd-based catalysts at the atomic level can effectively improve catalytic performance for oxygen or small organic molecules electrocatalysis, comparable to even superior that of commercial Pt/C. Here, PdCuCo anisotropic structure (AS) electrocatalysts are synthesized with abundant vacancy defects on exterior surface, which is unambiguously verified by aberration-corrected transmission electron microscopy. The PdCuCo-AS (v-PdCuCo-AS) shows excellent electrochemical...

Valence engineering has been proved an effective approach to modify the electronic property of a catalyst and boost its oxygen evolution reaction (OER) activity, while limited number elements restricts structural diversity active sites. Also, performance stability are greatly by cationic dissolution, ripening, or crystal migration in catalytic system. Here we employed widely used technique fabricate heteroepitaxial pyrite selenide through dual-cation substitution boron dopant achieve better...

As a fascinating innovative class of effective catalysts for hydrogen evolution reaction (HER), transition-metal tellurides have emerged as attractive materials, but they are still suffering from their intrinsic activity practical applications. Defect engineering constitutes promising strategy to optimize the electronic configuration catalyst and further improve HER activity. Herein, we present successful fabrication PdTe2-based with three different types vacancies (d-PdTex), including...

Abstract Atomic scaling of cobalt‐based catalysts is the feasible and sustainable approach for selective oxidation biomass‐derived 5‐hydroxymethylfurfural (HMF) to produce bio‐plastic monomer 2,5‐furandicarboxylic acid (FDCA) under mild conditions. Here, a high‐efficiency dual single‐atomic Co/Cu supported on nitrogen‐doped carbon (a‐Co/Cu‐NC) constructed. Leveraging exceptional oxygen activation ability, dual‐atomic‐sites can accelerate HMF oxidation, suppressing by‐product formation...

A novel and green multifunctional nanoplatform as a nanocarrier for drug delivery, cell imaging, phototherapy has been engineered. The is composed of stabilized carbon spheres (CSs) cores, coated polydopamine (PDA) shell, targeted folic acid (FA), the loaded anticancer indocyanine (ICG), obtaining CSs@PDA-FA@ICG nanocomposites (NCs). biocompatible PDA shell provided high fluorescence quenching efficiency surface rich in functional groups anchoring FA targeting cancer cells. Aromatic ICG...

Dual-signaling ratiometric electrochemiluminescence (ECL) technology has attracted particular attention in analytical science due to its precise measurement normalize variation environmental changes. Creating new mated ECL report units with two emitting states and improving the detection sensitivity are major challenges for measurement. Here, we fabricate an ultrasensitive near-infrared aptasensor based on a dual-potential signal amplification strategy triggered by quencher/enhancer...

Reducing the size of a catalyst to single atom (SA) level can dramatically change its physicochemical properties and significantly boost catalytic activity. However, massive synthesis SA catalysts still remains grand challenge mainly because aggregation nucleation generated atoms during reaction. Here, we design implement spatially confined synthetic strategy based on porous-hollow carbon nitride (p-CN) coordinated with 1-butyl-3-methylimidazole hexafluorophosphate, which act as nanoreactor...

In this review, two-dimensional (2D) materials beyond graphene and their applications in electrocatalysis energy storage have been summarized. Specifically, the electronic structure, chemical properties synergistic phenomena are analyzed.

Abstract A one‐pot method for the fast synthesis of a 3D nanochain network (NNC) PdCu alloy without any surfactants is described. The composition as‐prepared catalysts can be precisely controlled by changing precursor ratio Pd to Cu. First, Cu content changes electronic structure in NNC alloy. Second, offers large open pores, high surface areas, and self‐supported properties. Third, surfactant‐free strategy results relatively clean surface. These factors all contribute better...

Dentritic Pt-based nanomaterials with enriched edge and corner atoms have recently attracted considerable attention as electrocatalysts. Meanwhile, Pt(111) facets are generally considered more active for the glycerol oxidation reaction (GOR). Thus, it is significant to construct rational design synthesis of dentritic Pt whose surface mostly enclosed by {111} facets. Reported herein a unique Pt-branched structure large amount valency unsaturated prepared aggravation galvanic replacement...

Grass-like Ni₃S₂ nanorod/nanowire arrays <italic>in situ</italic> grown on NF network are synthesized through simply regulating the pre-oxidation degree of precursor which demonstrate excellent electrochemical properties.

Ultrafine FeOx in the sub-nanometric or atomic scale is one of promising catalysts for boosted oxygen evolution reaction (OER) activity, although there further potential improvement comparison to commercial catalysts. Recent studies show that hydroxyl modification on surface can ameliorate hydrophilicity and catalytic thus helping bring such closer scale-up commercialization stages. To deeply understand effect hydroxyl, atomic-level dispersed porous carbon nitride (CN-FeOx) was proposed...

Abstract Ammonia (NH 3 ) is vital in global production and energy cycles. Electrocatalytic nitrate reduction (e‐NO RR) offers a promising route for nitrogen (N) conversion NH synthesis, yet it faces challenges like competing reactions low catalyst activity. This study proposes synergistic mechanism incorporating proton donor to mediate O‐end e‐NO RR, addressing these limitations. A novel method combining ultraviolet radiation reduction, confined microwave treatment was developed create model...

Owing to the excellent molecular accessibility and self-supported architectures, three-dimensional (3D) porous nanostructures can promote catalytic property of Pt-based catalysts. In this work, by using ammonia as structure-director in synthetic process, a facile method was developed synthesize bimetallic 3D PtxCu100–x nanochain networks (3D p-PtxCu100–x NCNs) with tunable compositions. The p-Pt46Cu54 NCNs achieve mass activity 8.38 A mgPt–1 for ethylene glycol oxidation reaction (EGOR) 4.01...

A approach is developed to synthesize self-supported spiny-porous Pt nanotubes with enhanced activity and stability methanol electro-oxidation.

Metal cation is an emerging type of morphology controlling agency in nanoscience, but has rarely been used fabrication hollow structures. Herein, with the addition Ni2+ ion, PtCu alloy octahedral nanoframes (PtCu AONFs) plenty spiny nanothorns on apexes are synthesized via one-step hydrothermal reaction. ion plays a pivotal role forming structures because it facilitates diffusion Cu atoms replacement reaction between initially formed templates and PtCl62–. The as-prepared AONFs show superior...