18 Result(s)
within
English
Characterization and Evaluation of Materials
**kun Luo
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Article
Acoustic insulation and directional refraction of dual-functional pentamode metasurface
Acoustic metasurface is a membrane-like two-dimensional metamaterial with subwavelength thickness and special acoustic properties. Based on generalized Snell’s laws, acoustic metasurface produce a series of un...
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Article
Insights into the structural variation and photocatalytic performance of g-C3N4 via do** N, O and S atoms
Non-metal (N, O and S) doped g-C3N4 was successfully prepared via thermal polymerization of melamine and dopants and applied for photocatalytic degradation of tetracycline (TC). The structure and photocatalytic p...
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Article
Carbon quantum dots derived from marine Eucheuma denticulatum for the efficient and sensitive detection of tetracycline
In this study, Eucheuma denticulatum marine algae were used as the raw material to prepare Eucheuma denticulatum-derived carbon quantum dots (E-CQDs) via a mild chemical oxidation method. The E-CQDs demonstrated ...
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Article
Enhanced performance of Cu/P-type GaN triboelectric nanogenerator through heterojunction
The metal/semiconductor triboelectric nanogenerator (TENG) is known for its minimal internal resistance, high energy collection efficiency, stability, and affordability. The focus of research has been on enhan...
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Article
Optimization of Engine Block Casting Process Based on New Aluminum Alloy Material of Al–Si–Cu System
This study conducted molding process research on castings of complex engine blocks with a new Al–Si–Cu aluminum alloy material. Numerical simulation and experimental validation were used to investigate the eff...
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Article
Spin-dependent tunneling in 2D MnBi2Te4-based magnetic tunnel junctions
Magnetic tunnel junctions (MTJs) with ferromagnetic (FM) and/or antiferromagnetic (AFM) materials have attracted wide interest for their promising application in spintronic devices. Recently, many discovered t...
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Improving the cyclability of Li-O2 batteries with palladium nanocolloidal electrolytes
The slow decomposition kinetics of Li2O2 and the accumulation of by-products resulted in the passivation of cathode is one of the key issues restricting the development of Li-O2 batteries. Herein, ultrafine Pd na...
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Article
Orthorhombic C36: a sp2–sp3 carbon with pressure-induced metallization and superconductivity
Because of their particular characteristics, searching for potential sp2–sp3 hybridized carbon allotropes has become the foundation of new functional materials in the future. Here, we design a novel carbon phase ...
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Article
Structural diversity, large interlayer spacing and switchable electronic properties of graphitic systems
Recent experiments reported a substantial toughening of nanotwinned diamond (nt-diamond) composite with coherently interfaced diamond polytypes (different stacking sequences). This discovery emphasizes the div...
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Article
The optimization of contact interface between metal/MoS2 FETs by oxygen plasma treatment
The quality of the contact is key for the performance enhancement of the MoS2 device. As the oxygen plasma treatment is developed in the fabrication of MoS2 field effect transistor (FET), we demonstrate that the ...
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Article
Ab-Initio Simulations of Monolayer InSe and MoS2 Strain Effect: From Electron Mobility to Photoelectric Effect
In this paper, we present a comprehensive study of the basic electronic properties of two typical two-dimensional materials, monolayer InSe and MoS2 in the presence of various in-plane strains. Our results demons...
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The evolution of MoS2 properties under oxygen plasma treatment and its application in MoS2 based devices
CVD molybdenum disulfide (MoS2) is shown to chemically oxidize rapidly after pure oxygen plasma bombardment. Atomic force microscopy (AFM), photoluminescence spectrum (PL), Raman spectrum and X-ray photoelectron ...
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Article
Nitrogen-doped graphene derived from polyaniline/graphene oxide composites with improved capacity and cyclic performance of Li-O2 battery
Nitrogen-doped graphene (NGO) was synthesized by the pyrolysis of precursor polyaniline/graphene oxide composites, where the nitrogen content of the NGO was dependent on the loading amount of polyaniline. The ...
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Article
Open AccessPreparation and thermoelectric properties of Cu1.8S/CuSbS2 composites
Chalcostibite (CuSbS2) is composed of earth-abundant elements and has a proper band gap (Eg = 1.05 eV) as a thermoelectric (TE) material. Herein, we report the TE properties in the CuSbS2based composites with a m...
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Article
Mechanically ductile 3D sp–sp 2 microporous carbon
A new sp–sp 2-hybridized tetragonal carbon allotrope, namely Tetra-carbon, is predicted through the evolutionary particle swarm structural search. Tetra-carbon has a 3D framework composed ...
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Article
Novel boronate material affords efficient enrichment of glycopeptides by synergized hydrophilic and affinity interactions
Development of novel materials for enrichment of glycopeptides is the key to a comprehensive analysis of the glycoproteome, which is closely related to several major diseases and biomarker findings. We synthes...
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Article
Computation of Five-Dimensional Grain Boundary Energy
A broken-bond type computational method has been developed for the calculation of the five-dimensional grain boundary energy. The model allows quick quantification of the unrelaxed five-dimensionally specified...
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Article
Electrophoretic deposition of nickel, iron and aluminum nanoparticles on carbon fibers
The electrophoretic deposition (EPD) of nickel (Ni), iron (Fe) and aluminum (Al) nanoparticles fabricated by an active hydrogen plasma evaporation method on the surface of carbon fibers was investigated, which...
