A facile strategy has been developed to fabricate Ni3S2 nanoparticles wrapped with in situ generated N-doped graphene sheets (Ni3S2@N-G). In this strategy, the nitrogen and sulfur-containing resin is introduced as a sulfur source form provide of carbon grow coating on their surface. As an anode material lithium-ion batteries (LIBs), Ni3S2@N-G exhibits highly improved reversible capacity, well excellent cycling performance rate performance. It delivers discharge capacity up 809 mA h g−1 150th...

Gold nanoparticles and zeolitic imidazolate framework-8 nanocomposites ([email protected]) were synthesized through a simple hydrothermal method used as an enzyme-free sensor for dopamine detection. Various characterizations to investigate the structure morphology of [email protected] nanocomposites. The electrochemical performance nanocomposite modified glassy carbon electrode protected]/GCE) was examined in 0.1 M phosphate-buffered saline with different concentrations dopamine....

A facile method has been used to synthesize boron and nitrogen-dual-self-doped graphene sheets (BNGs). The procedures include a borane-tert-butylamine complex as the precursor impregnate with certain amount of cobalt ions, then thermolysis in tube furnace. synthesized are systematically characterized by XRD, Raman spectra, XPS, SEM, EDS, TEM EELS. Analysis results show that nitrogen atoms successfully self-doped into sheets. BNG-1000 indicates doping levels 7.72 at.% 7.18 at.%, respectively....

This work describes a non-precious metal-based electrocatalyst that porous WO₂hexahedral networks supported on Ni foam possess remarkably electrochemical performance for HER, OER, and full water-splitting by simple two-step synthesis.

Searching for new anode alternatives in lieu of graphite lithium-ion batteries that can deliver better electrochemical performance to meet the emerging energy/power demands electric vehicles becomes particularly challenging. We report a rationally designed hybrid composite as LIB exhibits greatly improved gravimetric capacity 727 mAh/g with Coulombic efficiency >99.8% after 3000 cycles at 1.0 C. A 662 high rate 5.0 C was obtained impressively long 10 000 cycles. From 50th 000th cycle under...

Proton exchange membrane fuel cells suffer from performance degradation caused by the oxidation and corrosion of carbon supports. Metal–platinum interactions can enhance catalytic activity stability due to compositional geometric effects. Two-dimensional MXenes have been intensively studied in recent years are expanding rapidly both types applications. Recently, ORR performances dual-transition metal with abundant surface Mo vacancy demonstrated as efficient electrocatalysts toward oxygen...

Nitrite (NO2−) is a ubiquitous inorganic pollutant presented in the food industry and drinking water. In addition, NO2− as toxic contaminant probably threaten human health by producing N-nitrosamines with highly carcinogenic. Voltammetric biosensing considered most promising approach because it offers fast, reliable, low-cost detection. this article, cobalt (II) phthalocyanine (CoPc) was immobilized on multiwalled carbon nanotubes (MWCNTs), then glassy electrode (GCE) an electrochemical...

The Zn2GeO4 crystal is an ideal semiconductor for deep ultraviolet (DUV) detection due to its wide band gap of ∼4.69 eV. To further improve DUV performance, two-dimensional (2D) MXenes with high electrical conductivity, potentially tunable electronic structure, and nonlinear optical properties were applied on crossed nanowire (NW) network materials. results presented here show that the detectors based Zn2GeO4/MXene hybrid nanostructures exhibited excellent optoelectronic performances a...

Developing efficient and low-cost urea oxidation reaction (UOR) catalysts is a promising but still challenging task for environment energy conversion technologies such as wastewater remediation electrolysis. In this work, NiO nanoparticles that incorporated graphene the NiO@Graphene composite were constructed to study UOR process in terms of density functional theory. The single-atom model, which differed from previous heterojunction was employed adsorption/desorption CO2 alkaline media. As...

Multi-Target Multi-Camera tracking (MTMC) is an essential task in the intelligent city and traffic analysis. It a great challenging due to several problems such as heavy occlusions appearance variance caused by various camera perspectives congested vehicles. In this paper, we propose practical framework for dealing with MTMC problem. The proposed contains three stage. Firstly, vehicles detection Re-ID stage, system leverages Cascade R-CNN detect all extract features module cameras. Secondly,...

Abstract As a recent focal point of research, soft electronics encompass various factors that synergistically enhance their mechanical properties and ensure stable electrical performance. However, challenges such as immiscible conductive fillers, poor phase interfaces, unstable networks hinder the overall efficacy these materials. To address issues, hydrogel featuring an oriented interpenetrating network structure (OIPN) is developed. The pyrrole monomer in situ polymerized within confined...

Depending on high permeability, Curie temperature, and low eddy current loss noise, nanocrystalline alloys, as the innermost layer, exhibit great potential in construction of cylindrical magnetic shielding systems with a coefficient noise. This study compares noise 1 Hz, simulated by finite element method (FEM), shield different structural parameters based measured initial permeability commercial Fe-based (1K107). The results demonstrate that is irrelevant to pump probe hole diameter....

Quick and accurate structural damage detection is essential for maintaining the safety integrity of infrastructure, especially following natural disasters. Traditional methods assessment, which rely on manual inspections, can be labor-intensive subject to human error. This paper introduces a hybrid deep learning model that combines capabilities ResNet50 GoogLeNet, further enhanced by convolutional block attention module (CBAM), proposed improve both accuracy performance in detecting damage....

Layered two-dimensional titanium carbide (Ti3C2Tx), as an outstanding MXene member, has captured increasing attention in supercapacitor applications due to its excellent chemical and physical properties. However, the low gravimetric capacitance of Ti3C2Tx restricts rapid development such applications. Herein, this work demonstrates effective facile hydrothermal approach synthesize nitrogen doped intercalation TiO2/TiN/Ti3C2Tx with greatly improved cycling stability. The...

It is important to effectively use nanoscale noble metal cocatalysts for photocatalysis. A polyol reduction method a promising prepare nanoparticles, but only few studies about synthesis of metal/semiconductor nanoparticle photocatalysts are reported. Its influence on the photocatalytic reaction has not yet been fully studied, especially electron/hole-induced reactions. Also, key point realize potential unclear. Herein, we systematically studied effect from viewpoint photocatalysis in...