A Study on the Effect of Nickel-Plated Graphite Content on the Microstructure and Properties of AlZn/Nickel-Plated Graphite Composite Cold Spray Coatings.

Aluminum and its alloys are widely used in the busbar structures of electrolytic aluminum production. However, they are prone to corrosion and wear damage during use, leading to a decline in current-transmission efficiency and potentially causing safety issues. To repair damaged aluminum busbars, this paper explores the feasibility of using cold spraying technology for surface restoration.

In situ interfacial engineering of MnInS@InS hollow nanotubes for enhanced photocatalytic production of HO and antibiotic degradation.

Three-dimensional hollow tube-like structures have obtained considerable attention owing to their pronounced advantages in photocatalytic reactions. Herein, metal organic framework (MOF)-derived MnInS@InS with hollow tube-like structure was successfully synthesized through a facial hydrothermal combined solvothermal method. Electron spin resonance technology and radical scavengers verified that holes and superoxide anions are the primary reactive species in the photocatalytic reaction.

Surprising Effects of Ti and AlO Coatings on Tribocatalytic Degradation of Organic Dyes by GaN Nanoparticles.

GaN is more stable than most metal oxide semiconductors for the photocatalytic degradation of organic pollutants in harsh conditions, while its catalytic efficiency has been difficult to be substantially improved. In this study, the tribocatalytic degradation of organic dyes by GaN nanoparticles has been investigated. Stimulated through magnetic stirring using homemade Teflon magnetic rotary disks in glass beakers, the GaN nanoparticles were found to induce negligible degradation in rhodamine B (RhB) and methyl orange (MO) solutions.

Measurement of the Axial Magnetic Susceptibility of m-SWCNTs at High Temperatures in a Magnetic Field-Assisted FC-CVD.

We synthesized some SWCNTs films under different magnetic fields and temperatures in a magnetic field-assisted FC-CVD and obtained Raman spectra of the films. By analyzing the Raman spectra, it was concluded that the SWCNTs films had defects, and the relative content of m-SWCNTs in the SWCNTs films was obtained. The trajectory of m-SWCNTs was obtained by analyzing the motion behavior of m-SWCNTs flow in the field-assisted system, and a model was built to describe the relationship between the relative content of m-SWCNTs and magnetic fields.

Efficient spatial separation of charge carriers over Sv-ZnInS/NH-MIL-88B(Fe) S-scheme heterojunctions for enhanced photocatalytic H evolution and antibiotics removal performance.

The exploration of highly efficient sunlight-assisted photocatalyst for photodegradation of organic contaminants or energy conversion is strongly encouraged. In this work, we designed a novel three-dimensional spindle-like Sv-ZIS@NMFe heterojunction made of amino functionalized NH-MIL-88B(Fe) (NMFe) and ZnInS nanosheets with abundant sulfur vacancies (Sv-ZIS). The structural properties of NMFe materials, such as a clearly defined system of pores and cavities, were retained by the Sv-ZIS@NMFe composites.

Effect of ZrC on the Microstructure and Properties of CrMnFeCoNi High-Entropy Alloy Coatings Prepared by a Plasma Transferred Arc Process.

The low strength caused by the single FCC structure of the CrMnFeCoNi high entropy alloy (HEA) limits its application in the field of coating. Here, we prepared high-entropy alloy coatings of CrMnFeCoNi with different ZrC contents on Q235 steel by a plasma transferred arc process. The effects of ZrC on the microstructure and properties of the CrMnFeCoNi HEA coating were investigated by optical microscopy, scanning electron microscope, and X-ray diffraction and by employing a potensiostat/galvanostat.

A Special Ancient Bronze Sword and Its Possible Manufacturing Technique from Materials Science Analysis.

In this study, it was found that an ancient bronze sword had special microstructures, i.e., a tin (Sn)-rich layer (Sn: 38.

Ultra-stretchable, super-hydrophobic and high-conductive composite for wearable strain sensors with high sensitivity.

With continuous development of artificial intelligence technology, strain sensors have attracted widespread attention. In this work, a novel high-performance wearable strain sensor is prepared by using a kind of ultra-stretchable, super-hydrophobic and high-conductive composite. The preparation process is as follows, i.

Construction of Direct Z-Scheme Heterojunction NiFe-Layered Double Hydroxide (LDH)/ZnCdS for Photocatalytic H Evolution.

It is of great significance to construct heterojunctions using industrially produced co-catalysts. The direct Z-scheme composite photocatalyst provides an effective separation of photogenerated carriers. Herein, a kind of novel 2D/3D direct Z-scheme NiFe-LDH/ZnCdS is prepared.

Graphene-Reinforced Zn-Ni Alloy Composite Coating on Iron Substrates by Pulsed Reverse Electrodeposition and Its High Corrosion Resistance.

In this paper, a novel kind of graphene (Gr)-reinforced Zn-Ni alloy composite coating is successfully prepared on an iron substrate by pulsed reverse electrodeposition. Hydrophilic graphene oxide (GO) is directly added to the electrolyte and reduced to Gr during coating. The experimental results reveal that (1) there is an optimal adding amount (about 0.

One-Step Construction of Multi-Walled CNTs Loaded with Alpha-FeO Nanoparticles for Efficient Photocatalytic Properties.

The aggregation and the rapid restructuring of the photoinduced electron-hole pairs restructuring in the process of photoelectric response remains a great challenge. In this study, a kind of Multi-walled carbon nanotubes loaded Alpha-FeO (CNTs/α-FeO) heterostructure composite is successfully prepared via the one-step method. Due to the synergistic effect in the as-prepared CNTs/α-FeO, the defect sites and oxygen-containing functional groups of CNTs can dramatically improve the interface charge separation efficiency and prevent the aggregation of α-FeO.

Correction: The potential role of borophene as a radiosensitizer in boron neutron capture therapy (BNCT) and particle therapy (PT).

Correction for 'The potential role of borophene as a radiosensitizer in boron neutron capture therapy (BNCT) and particle therapy (PT)' by Pengyuan Qi et al., Biomater. Sci.

Scalable Production of Boron Quantum Dots for Broadband Ultrafast Nonlinear Optical Performance.

A simple and effective approach based on the liquid phase exfoliation (LPE) method has been put forward for synthesizing boron quantum dots (BQDs). By adjusting the interactions between bulk boron and various solvents, the average diameter of produced BQDs is about 7 nm. The nonlinear absorption (NLA) responses of as-prepared BQDs have been systematically studied at 515 nm and 1030 nm.

Hierarchical porous "skin/skeleton"-like MXene/biomass derived carbon fibers heterostructure for self-supporting, flexible all solid-state supercapacitors.

Two-dimensional transition metal carbide and nitride are promising energy storage materials. However, the aggregation and rearrangement of two-dimensional nanosheets limit their electrochemical performance. In this paper, a novel hierarchical porous "skin/skeleton"-like MXene/biomass derived carbon fibers (MXene/CF) heterostructure is prepared by one-step pyrolysis, which efficiently weakens the stacking of MXene nanosheets.

MXene/N-Doped Carbon Foam with Three-Dimensional Hollow Neuron-like Architecture for Freestanding, Highly Compressible All Solid-State Supercapacitors.

Currently, the MXene-based flexible supercapacitors have caused much attention due to their excellent mechanical performance and novel electrical property. However, the aggregation and rearrangement of MXene nanosheets in the process of electrode preparation limit their electrochemical performance. Herein, a kind of novel MXene/N-doped carbon foam (MXene/NCF) compressible composite with three-dimensional (3D) hollow interconnected neuron-like architecture is directly prepared by one-step pyrolysis and used for the freestanding, highly compressible supercapacitors.

The potential role of borophene as a radiosensitizer in boron neutron capture therapy (BNCT) and particle therapy (PT).

The potential role of borophene as a radiosensitizer in PT and BNCT was investigated. Our study focused on two aspects: (1) the synthesis and characterization of borophene nanomaterials; and (2) biocompatibility and dose enhancement. To overcome the limitation of vapor-based technology, we successfully deployed the liquid-phase exfoliation (LPE) method to produce borophene targeting for biomedical applications.

TiO/graphene/CuSbS mixed-dimensional array with high-performance photoelectrochemical properties.

The growing demands for reproducible and clean sources of power has prompted the exploitation of novel materials for solar-energy conversion; in any case, the improvement of their conversion efficiency remains a big challenge. We report a mixed-dimensional heterostructure to synchronously enhance charge separation and light-absorption of the photoanodes the introduction of two-dimensional reduced graphene oxide and zero-dimensional CuSbS quantum dots on one-dimensional TiO arrays. The experimental results show that the graphene sheets with a low Fermi level and a superior electron mobility accept photo-excited electrons from TiO and enable fast electron transportation; while the CuSbS quantum dots promote the visible light-absorption of the photoanode.

A Wrinkled Ag/CNTs-PDMS Composite Film for a High-Performance Flexible Sensor and Its Applications in Human-Body Single Monitoring.

In this paper, a flexible Ag/CNTs-PDMS (polydimethylsi-loxane) composite film sensor based on the novel design philosophy was prepared. Its force-electric effect mechanism is based on the generation of micro-cracks in the Ag film during external forcing, leading to resistance variation. Experimental results find that Ag film thickness has a strong influence on the sensor's sensitivity, which exhibits a tendency of first increasing and then decreasing the Ag film thickness, and also has an optimal thickness of 4.

Flexible photodetectors based on reticulated SWNT/perovskite quantum dot heterostructures with ultrahigh durability.

Recently, single-walled carbon nanotube (SWNT) films have been regarded as a promising channel material for flexible photodetectors due to their high intrinsic carrier mobility, conductivity, and mechanical flexibility. However, the application of SWNTs in photonic devices is limited due to their weak light absorption and the absence of a gain mechanism. Here, we demonstrate a high-performance flexible photodetector that consists of a reticulated SWNT film covered with a thin film of CsPbI3 perovskite colloidal quantum dots.

Preparation of high-concentration substitutional carbon-doped TiO film a two-step method for high-performance photocatalysis.

In this paper, we present a facile two-step method for preparing a high-concentration substitutional carbon-doped TiO (TiO C ) film. First, the titanium substrate undergoes gas carburizing, followed by micro-arc oxidation (MAO) to form a carbon-doped TiO film on the surface. The process can be described as direct oxidation of titanium carbide (O→TiC ).

Functionalized Graphene for Mechanical Property Enhancement of Polymer Composites.

Because of its high strength and high toughness, graphene has been widely used in mechanical reinforced composites. In general, the mechanical enhancement depends mainly on the properties of graphene itself and the number of surface chemical functional groups attached on it. In this paper, we report a method to improve the mechanical performance of polymer by using a kind of functionalized reduced graphene oxide (F-RGO), i.

Synthesis and enhanced microwave absorption properties: a strongly hydrogenated TiO nanomaterial.

Due to its improved physical and chemical performances, a strongly hydrogenated TiO was designed and produced successfully by using a sealing-transfer reduction method at a relatively low temperature (425 °C). The microstructures, electromagnetic and microwave absorbing properties were investigated in detail. Experimental results revealed that: (1) the minimum reflection loss (RL) value of the hydrogenated TiO up to -53.

Present Perspectives of Advanced Characterization Techniques in TiO-Based Photocatalysts.

TiO is the most investigated photocatalyst because of its nontoxicity, low cost, chemical stability, and strong photooxidative ability. Because of the morphology- and structure-dependent photocatalytic properties of TiO, accurate characterization of the crystal and electronic structures of TiO-based materials and their performance during the photocatalytic process is crucial not only for understanding the photocatalytic mechanism but also for providing experimental guidelines as well as a theoretical framework for the synthesis of high performance photocatalysts. In this review, we focused on the advanced characterization techniques that are utilized in the studies on the TiO structures and photocatalytic performance of TiO and TiO-based materials.

Highly Sensitive, Durable, and Multifunctional Sensor Inspired by a Spider.

Sensitivity, durability, and multifunction are the essential requirements for a high-performance wearable sensor. Here, we report a novel multifunctional sensor with high sensitivity and durability by using a buckled spider silk-like single-walled carbon nanotubes (SSL-SWNTs) film as the conducting network and a crack-shaped Au film as the sensitive transducer. Its high sensitivity is inspired by the crack-shaped structure of the spider's slit organs, while the high durability is inspired by the mechanical robustness of the spider silk.