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Nanozymes, as innovative materials, have demonstrated remarkable potential in the field of electrochemical biosensors. This article provides an overview of the mechanisms and extensive practical applications of nanozymes in electrochemical biosensors. First, the definition and characteristics of nanozymes are introduced, emphasizing their significant role in constructing efficient sensors. Subsequently,...
Due to the higher value of deeply‐reduced products, electrocatalytic CO2 reduction reaction (CO2RR) to multi‐electron‐transfer products has received more attention. One attractive strategy is to decouple individual steps within the complicated pathway via multi‐component catalysts design in the concept of tandem catalysts. Here, a composite of Cu@BIF‐144(Zn) (BIF = boron imidazolate framework) is...
The fabrication of perovskite light‐emitting diodes (PeLEDs) with vacuum deposition shows great potential and commercial value in realizing large‐area display panel manufacturing. However, the electroluminescence (EL) performance of vacuum‐deposited PeLEDs still lags behind the counterparts fabricated by solution process, especially in the field of blue PeLEDs. Here, the fabrication of high‐quality...
Nanozyme activity relies on surface electron transfer processes. Notably, the piezoelectric effect plays a vital role in influencing nanozyme activity by generating positive and negative charges on piezoelectric materials' surfaces. This article comprehensively reviews the potential mechanisms and practical applications of regulating nanozyme activity through the piezoelectric effect. The article...
In this study, using PM6:L8‐BO as the main system and non‐fullerene acceptor IDIC as the third component, a series of ternary organic solar cells (TOSCs) are fabricated. The results reveal that IDIC plays a significant role in enhancing the performance of TOSCs by optimizing the morphology of blended films and forming interpenetrating nanostructure. The improved film morphology facilitates exciton...
Aqueous zinc‐ion batteries (ZIBs) have attracted extensive attention in recent years because of its high volumetric energy density, the abundance of zinc resources, and safety. However, ZIBs still suffer from poor reversibility and sluggish kinetics derived from the unstable cathodic structure and the strong electrostatic interactions between bivalent Zn2+ and cathodes. Herein, magnesium doping into...
Spinal Cord Injuries
In article number 2207888, Xianjin Du, Jian Zhang, Hongsheng Lin, Yuhui Liao, and co‐workers design an emergency treatment and photoacoustic severity assessment (ETPSA) strategy for spinal cord injury (SCI) based on the selenium (Se) matrix antioxidant system Se@BDP‐DOH nanoparticles, which can real‐time evaluate the severity of SCI using photoacoustic signals and simultaneously...
Spinal cord injury (SCI), following explosive oxidative stress, causes an abrupt and irreversible pathological deterioration of the central nervous system. Thus, preventing secondary injuries caused by reactive oxygen species (ROS), as well as monitoring and assessing the recovery from SCI are critical for the emergency treatment of SCI. Herein, an emergency treatment strategy is developed for SCI...
Despite the unprecedented progress in lead‐based perovskite solar cells (PSCs), the toxicity and leakage of lead from degraded PSCs triggered by deep‐level defects and poor crystallization quality increase environmental risk and become a critical challenge for eco‐friendly PSCs. Here, a novel 2D polyoxometalate (POM)‐based metal–organic framework (MOF) (C5NH5)4(C3N2H5)2Zn3(H8P4Mo6O31)2·2H2O (POMOF)...
Design and preparation of an efficient and nonprecious cocatalysts, with structural features and functionality necessary for improving photocatalytic performance of semiconductors, remain a formidable challenge until now. Herein, for the first time, a novel CoP cocatalyst with single‐atom phosphorus vacancies defects (CoP‐Vp) is synthesized and coupled with Cd0.5Zn0.5S to build CoP‐Vp@Cd0.5Zn0.5S...
Defect engineering for vacancies, holes, nano precipitates, dislocations, and strain are efficient means of suppressing lattice thermal conductivity. Multiple microstructural defects are successfully designed in Cu1‐xAgxGaTe2 (0 ≤ x ≤ 0.5) solid solutions through high‐ratio alloying and vibratory ball milling, to achieve ultra‐low thermal conductivity and record‐breaking thermoelectric performance...
A molecular porous material, MPM‐2, comprised of cationic [Ni2(AlF6)(pzH)8(H2O)2] and anionic [Ni2Al2F11(pzH)8(H2O)2] complexes that generate a charge‐assisted hydrogen‐bonded network with pcu topology is reported. The packing in MPM‐2 is sustained by multiple interionic hydrogen bonding interactions that afford ultramicroporous channels between dense layers of anionic units. MPM‐2 is found to exhibit...
Precisely controlling the selectivity of nanocatalysts has always been a hot topic in heterogeneous catalysis but remains difficult owing to their complex and inhomogeneous catalytic sites. Herein, an effective strategy to regulate the chemoselectivity of Pd nanocatalysts for selective hydrogenation reactions by inserting single‐atom Zn into Pd nanoparticles is reported. Taking advantage of the tannic...
Electrocatalytic alkyne semi‐hydrogenation has attracted ever‐growing attention as a promising alternative to traditional thermocatalytic hydrogenation. However, the correlation between the structure of active sites and electrocatalytic performance still remains elusive. Herein, the energy difference (∆ε) between the d‐band center of metal sites and π orbital of alkynes as a key descriptor for correlating...
Flat metasurfaces with subwavelength meta‐atoms can be designed to manipulate the electromagnetic parameters of incident light and enable unusual light–matter interactions. Although hydrogel‐based metasurfaces have the potential to control optical properties dynamically in response to environmental conditions, the pattern resolution of these surfaces has been limited to microscale features or larger,...
The immoderate use of pesticides in the modern agricultural industry has led to the pollution of water resources and ultimately threatens the human body. Herein, two metal–organic frameworks (MOFs), namely {[Zn(tpt)2·2H2O]}n (Zn1) and {[Zn2(tpt)2(bdc)]}n (Zn2), (Htpt = 5‐[4(1H‐1,2,4‐triazol‐1‐yl)]phenyl‐2H‐tetrazole), respectively, are constructed as smart materials for visual and on‐site detection...
Garnet‐type Li6.4La3Zr1.4Ta0.6O12 (LLZTO) electrolyte is considered as a promising solid electrolyte because of its relatively high ionic conductivity and excellent electrochemical stability. The surface contamination layer and poor Li/LLZTO interface contact cause large interfacial resistance and quick Li dendrite growth. In this paper, a porous hard carbon layer is introduced by the carbonization...
As a typical battery‐type material, CuCo2S4 is a promising candidate for supercapacitors due to the high theoretical specific capacity. However, its practical application is plagued by inherently sluggish ion diffusion kinetics and inferior electrical transport properties. Herein, sulfur vacancies are incorporated in CuCo2S4 hollow nanoarchitectures (HNs) to accelerate redox reactivity. Experimental...
Although the rapid development of polymer solar cells (PSCs) has been achieved, it is still a great challenge to explore efficient ways for improving power conversion efficiency (PCE) of PSCs from materials and device engineering. Ternary strategy has been confirmed as an efficient way to improve PCE of PSCs by employing three kinds of materials. In this work, one polymer donor PM6, and two non‐fullerene...
Antibacterial photocatalytic therapy (APCT) is considered to be a potential treatment for administrating antibiotic‐resistant bacteria. However, due to the low photocatalytic efficiency and weak ability to capture bacteria, it is not practically applied. In this work, an organic–metal oxide hybrid semiconductor heterostructure is fabricated for the photocatalytic generation of reactive oxygen species...
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