591 Result(s)
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Article
**ao-** Sun
Materials Science
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Article
A review on WO3-based composite photocatalysts: synthesis, catalytic mechanism and diversified applications
Photocatalysis as an emerging “green” energy conversion technology has attracted domestic and international attention. This technology uses semiconductor photocatalysts to convert solar energy into directly us...
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Oxidation behavior of Ni-based superalloy GH4738 under tensile stress
Revealing the oxidation behavior of superalloys is crucial for optimizing material properties and extending service life. This study investigated the oxidation behavior of superalloy GH4738 under stress states...
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Finite-temperature ductility-brittleness and electronic structures of AlnSc (n = 1, 2 and 3)
Finite-temperature ductility-brittleness and electronic structures of Al3Sc, Al2Sc and AlSc are studied comparatively by first-principles calculations and ab initio molecular dynamics. Results show that Al3Sc and...
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Innovative coaxial high-temperature thin-film sensor with core–shell structure surpassing traditional multilayer films
High-temperature thin-film sensors (TFSs) often suffer from inadequate tolerance to elevated temperatures. In this study, an innovative approach is presented to fabricate in situ integrated TFSs with a core–sh...
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Calcination-free crystallization of rare earth double tungstate Na(La1 − xEux)(WO4)2 by sacrificial-template hydrothermal reaction, restrained concentration quenching, and optical thermometry
A series of Na(La1 − xEux)(WO4)2 (NLW) phosphors were directly generated without calcination and organic additive via reaction of the (La1 − xEux)(OH)SO4 template with Na2WO4 by hydrothermal reaction. The XRD res...
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Preparation and characteristics of the O3+-ion-implanted and femtosecond laser-ablated waveguide in the high-gain Nd3+-doped laser glass
In the work, the planar and ridge waveguides are fabricated by the combination of ion implantation and femtosecond laser ablation in the high-gain Nd3+-doped laser glass. The species, energy, and dose of ion impl...
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Preparation and gas sensing properties of hexagonal zinc oxide regulated by surface modification
Hexagonal ZnO nanocones were successfully synthesized by hydrothermal method, combined with active agents and other means of control, and calcined at 350 °C. Detailed testing and research were conducted on the...
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Polyoxometalates-derived nanostructures for electrocatalysis application
The conversion of intermittent renewable electrical energy to chemical energy is of great importance, which can not only mitigate current energy and environmental crisis but also contribute to the ongoing carb...
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Rational design of metal selenides nanomaterials for alkali metal ion (Li+/Na+/K+) batteries: current status and perspectives
Recently, metal selenides have obtained widespread attention as electrode materials for alkali (Li+/Na+/K+) batteries due to their promising theoretical capacity and mechanism. Nevertheless, metal selenides, simi...
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Flexible DPPT-TT/PEO Fiber-Exploiting Electro-optical Synaptic Transistor for Artificial Withdrawal Reflex Arc
An artificial withdrawal reflex arc that can realize neuromorphic tactile perception, neural coding, information processing, and real-time responses was fabricated at the device level without dependence on alg...
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In situ regulating intimately connected heterostructure by decomposition of solid solution oxides toward high-efficient water oxidation
Heterogeneous interfaces produced by inter-domain interactions on a nanoscale performs a crucial role in boosting the properties of an electrocatalyst toward oxygen evolution reaction (OER) process. Herein, a ...
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Modulated noble metal/2D MOF heterostructures for improved hydrogen storage of MgH2
The conjugation of external species with two-dimensional (2D) materials has broad application prospects. In this study, we have explored the potential of noble metal/2D MOF heterostructures in hydrogen storage...
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Enhanced cyclic stability of partially disordered spinel cathodes through direct fluorination with gaseous fluorine
Spinel-type cathodes are considered an optimal substitute for conventional layered oxide cathodes owing to their use of inexpensive and earth-abundant manganese as the redox-active element. Moreover, the intro...
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Open AccessComparative statistical analysis of pitting in Two 2205 duplex stainless steel variants
The inherent variability of pitting poses challenges in accurately evaluating the pitting resistance due to potential disparities in test results. This study compares the pitting resistance of two commercial 2...
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Open AccessFlexible and wearable battery-free backscatter wireless communication system for colour imaging
Wireless imaging, equipped with ultralow power wireless communications and energy harvesting (EH) capabilities, have emerged as battery-free and sustainable solutions. However, the challenge of implementing wi...
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Open AccessEmergence of quantum confinement in topological kagome superconductor CsV3Sb5
Quantum confinement is a restriction on the motion of electrons in a material to specific region, resulting in discrete energy levels rather than continuous energy bands. In certain materials, quantum confinem...
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Corrosion Behavior of Micro-arc Oxidation-Coated AZ80 Magnesium Alloy in Simulated Body Fluid at Different Flow Rates
A self-sealing coating was prepared on the surface of basic magnesium alloy material (BM) by micro-arc oxidation (MAO) technique. The corrosion behavior of BM and MAO samples in a simulated body fluid (SBF) at...
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Electrostatically connected nanoarchitected electrocatalytic films for boosted water splitting
Active sites of two-dimensional (2D) electrocatalysts are often partially blocked owing to their inevitable stacking and hydrophobic polymeric binders in macroscale electrodes, therefore impeding their applica...
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Enriched electrophilic oxygen species facilitate acidic oxygen evolution on Ru-Mo binary oxide catalysts
The polymer electrolyte membrane (PEM) electrolyzers are burdened with costly iridium (Ir)-based catalysts and high operation overpotentials for the oxygen evolution reaction (OER). The development of earth-ab...
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Ultra-high-rate Bi anode encapsulated in 3D lignin-derived carbon framework for sodium-ion hybrid capacitors
Bismuth (Bi), as an alloy-based anode material, has attracted much attention in the development of sodium-ion hybrid capacitors (SIHCs) due to its high theoretical capacity. However, the volume expansion of th...
