49 Result(s)
within
**n**g Dou
Characterization and Evaluation of Materials
Classical Mechanics
Crystallography and Scattering Methods
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Article
Improved laser-induced dynamic wetting behavior and spreading mechanism of non-reactive Mg/steel systems with the assistance of Cu coating
A Cu coating was introduced on the steel surface by electroplating, and the wetting and spreading behavior of Mg alloys on Cu-coated steel substrates during the laser machining process was investigated. Wettin...
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Article
Deposition of Pd–Pt alloy zigzag shell over Au nanorods for boosted catalysis and thermo-photo catalysis
Multimetallic plasmonic nanostructures, with appropriate morphology, elemental proportions and sizes, can be used to accelerate photocatalytic reactions. Here, we designed zigzag trimetallic nanostructures wit...
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Temperature-insensitive electrical performance of the potassium sodium niobate-based ceramics modified by barium zirconate
A series of barium zirconate modified potassium sodium niobate-based lead-free piezoelectric ceramics [(0.97-x)(K0.45Na0.55)(Nb0.97Sb0.03)O3-0.03Bi0.5K0.075Na0.425ZrO3-xBaZrO3, KNNS–BKNZ–xBZ, x = 0 ~ 0.02] were p...
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Preparation of one-step organic anion-modified MgAl-LDH films under mild conditions for Mg alloy corrosion protection
The chelator-assisted method is considered to be an effective strategy for the in-situ growth of layered double hydroxide (LDH) films on magnesium alloy at atmospheric pressure. In this study, two organic anio...
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Article
Effects of fused silica surface roughness on the interfacial adsorption mechanism of contaminant
Since surface contaminants can make optical components such as fused silica highly susceptible to damage, how to maintain the cleanliness of fused silica is an effective way to improve the laser damage thresho...
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Article
Characterization of deep-level defects in highly-doped silicon with asymmetric structure by transient capacitance spectroscopy
Deep-level transient spectroscopy (DLTS) is a widely used method to analyze the properties of deep defects in semiconductors. However, it has been rarely reported to measure the deep-levels of highly-doped sil...
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Influence of sodium fluoride in acidic electrolytic solution on the structure and properties of plasma electrolytic oxidation coating on AZ91D magnesium alloy
By adopting the strategy of generating chelating agents during plasma electrolytic oxidation (PEO), PEO coatings were prepared in acidic eletrolytic solution by constant current mode. The effect of NaF concent...
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Article
A study of size-controlled Au@Cu2O nanocomposite for highly improved methyl orange catalytic performances
In this study, we synthesized Au-Cu2O core–shell nanoparticles (Au@Cu2O NPs) with epitaxial Cu2O shell, which have highly improved catalytic performances in methyl orange reduction reaction. We have obtained Au@C...
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Article
Flowable MXene/cellulose nanofibers conductor for linear and high-accuracy strain sensing
Stretchable strain sensors can detect the bio-signals generated by human motions in real-time and play an important role in human health monitoring. However, due to the balance between sensitivity and stretcha...
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Article
Significantly enhanced mechanical quality factor with favorable piezoelectricity in K0.5Na0.5NbO3-based ceramics
The apparent incompatibility between d33 and Qm in potassium sodium niobate-based lead-free ceramics is an obstacle to their applications. In this study, (K0.5Na0.5)0.98Li0.02Nb0.82Ta0.18O3 (LT-KNN) system near t...
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A novel covalent organic framework with high-density imine groups for lithium storage as anode material in lithium-ion batteries
A novel hexaaminobenzene-based triangular topology covalent organic framework (HAB-COF) was first synthesized and studied as an anode material in the lithium-ion batteries. Benefiting from its conjugated struc...
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MnO2/carbon nanotube free-standing electrode recycled from spent manganese-oxygen battery as high-performance supercapacitor material
Metal–oxygen batteries have been growing rapidly as an energy storage technology in light of their high specific energy density. However, waste metal–oxygen batteries will raise many environmental issues; ther...
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Article
Temperature induced electrical transport in n-Bi2Te3/p-InAs thermoelectric heterojunctions
Thermoelectric semiconductor devices have recently attracted more interest since their electrical properties can be further adjusted by the temperature field. Many efforts have been made in thermoelectric junc...
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Article
Facile fabrication of recyclable and macroscopic D-g-C3N4/sodium alginates/non-woven fabric immobilized photocatalysts with enhanced photocatalytic activity and antibacterial performance
The immobilization of catalysts hinders the application of nanosized photocatalysts in wastewater treatment. In this study, a simple method for the preparation of flexible composite non-woven catalysts with a ...
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Article
Thickness-dependent ferroelectric properties of HfO2/ZrO2 nanolaminates using atomic layer deposition
Ferroelectric nanolaminates have drawn wide attention due to the process convenience of atomic layer deposition (ALD) method and their superior performance. In this work, HfO2/ZrO2 nanolaminates were prepared by ...
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Article
Polydopamine grafted cross-linked polyacrylamide as robust binder for SiO/C anode toward high-stability lithium-ion battery
Silicon-based materials, as the most promising candidates for high-performance lithium-ion batteries (LIBs), have been widely researched. However, the construction of stable electrode structure is still a chal...
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Article
A facile one-step method for the fabrication of Pd-AlOOH/Al monolithic catalysts via redox reactions of two galvanic cells
In this work, we report a facile and economic one-step method under atmospheric pressure and 50 °C water bath for the fabrication of a three-dimensional (3D) upright-standing boehmite (AlOOH) nanosheet array f...
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Article
Aerosol-assisted preparation of N-doped hierarchical porous carbon spheres cathodes toward high-stable lithium-ion capacitors
Lithium-ion capacitors (LICs) are gradually emerging as one of the most indispensable hybrid energy storage devices. However, it is one main challenge to evade the mismatch of electrochemical kinetics and spec...
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Article
High piezoelectric response and excellent fatigue resistance in Rb-substituted BNT–BKT–BT ceramics
Lead-free piezoelectric ceramics featuring high piezoelectricity and fatigue resistance are extremely important in practical applications. In this work, 0.85Bi0.5Na0.5TiO3–0.11Bi0.5K0.5−xRbxTiO3–0.04BaTiO3 (x = 0...
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Article
Biomass-derived porous carbon electrodes for high-performance supercapacitors
Biomass-derived porous carbon materials have been receiving considerable attention in energy-storage devices by virtue of the abundant and renewable sources. In this work, we developed a facile, yet scalable f...
