Materials Literature
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Two-dimensional scaffolds, three-dimensional scaffolds, and dermal substitutes are extensively used for biomedical applications in skin tissue regeneration. Not much explored synthetic polymers, like poly(l-lactic acid)-co-poly-(ε-caprolactone) (PLACL), natural polymers, like silk fibroin (SF), and active inducing age…
We observed enhanced second-harmonic-wave generation in a plasma-metamaterial composite, the intensity of which was much stronger than that in plasma with a similar level of electron density.We clarified that this specific intense second-harmonic-wave generation was derived from additional nonlinearity based on the el…
In this paper, we develop a novel electroplating method for the synthesis of carbon nanotubes (CNTs)-nickel (Ni) nanocomposite, and present the fabrication of a silicon micromirror with the CNTs-Ni nanocomposite beams to evaluate the mechanical stability of the micromirror in terms of resonant frequency. CNTs are pret…
In the search for more efficient semiconductors with low to nontoxicity, Zn 3 P 2 has gained increasing interest for optoelectronic applications because of its direct band structure, high absorption coefficient, and long carrier diffusion lengths. However, the elucidation of the size-dependent optical properties in th…
Undoped graphene is known to absorb 2.3% of visible light at a normal angle of incidence. In this paper, we theoretically demonstrate that the absorption of 10–100 GHz of an electromagnetic wave can be tuned from nearly 0 to 100% by varying the Fermi energy of graphene when the angle of incidence of the electromagneti…
Abstract Micro/mesoporous boron nitride (BN) nanosheets were synthesized through a simple one‐pot procedure using cetyl trimethylammonium bromide (CTAB) and ammonia borane (AB) as a structure‐directing agent and a BN precursor, respectively. The pyrolysis of the CTAB/AB hybrid under an ammonia atmosphere at 1150 °C pr…
Marine transport is increasing its use of aluminium by capitalizing on its two leading qualities: lightness and corrosion resistance. The most popular aluminium alloys for use in corrosive environmentssuch as seawater are the 5xxx and 6xxx series alloys, which demonstrate adequate strength and excellent corrosion resi…
AlN ceramics is very difficult to be sintered due to its strong covalent bonds and low self‐diffusion. In this work, a new hot‐press sintering system assisted by vibration was used to densify AlN ceramics. During hot‐pressing process an additional vibration caused by pressure fluctuation is imposed on the sample. The…
Porous silicon nanoparticles (pSiNPs) are a promising nanocarrier system for drug delivery owing to their biocompatibility, biodegradability, and non-inflammatory nature. Here, we investigate the fabrication and characterization of thermally hydrocarbonized pSiNPs (THCpSiNPs) and chitosan-coated THCpSiNPs for therapeu…
In this paper, the interfacial mechanical properties of large-sized monolayer graphene attached to a flexible polyethylene terephthalate (PET) substrate are investigated. Using a micro-tensile test and Raman spectroscopy, in situ measurements are taken to obtain the full-field deformation of graphene subjected to a un…
To realize multiferroic and magnetoelectric properties, bi-layered nanocomposite films consisting of CoFe2O4 (CFO)/Pb1−xSrxTiO3 (PST) phases (x = 0.1, 0.2, and 0.3) have been deposited on Pt/TiO2/SiO2/Si substrate by using a metallo-organic decomposition process. Both the PST perovskite and the CFO spinel phases are c…
A facile and scalable approach to efficiently tune microstructure and surface chemical properties of N‐doped carbocatalysts through the controlled glucose hydrothermal treatment with diverse parameters and subsequent pyrolysis of pretreated carbonaceous materials with melamine (GHT‐PCM) was presented. Various characte…
Photoluminescent silicon nanoparticles 1–2 nm in size were synthesized by a wet chemical procedure and derivatized with propylamine (NH2SiNP). Surface NH2 groups were used as linkers for additional poly(ethylene glycol) (PEG) and folic acid (Fo) attachment (PEG-NHSiNP and Fo-NHSiNP, respectively) to enable efficient t…
Chemical vapor deposition (CVD) of graphene on top of metallic foils is a technologically viable method of graphene production. Fabrication of microelectronic devices with CVD grown graphene is commonly done by using photolithography and deposition of metal contacts on top of the transferred graphene layer. This proce…
Dopamine-modified poly(acrylic acid) (PAA-dopa) and poly(vinylpyrrolidone) (PVPON) was layer-by-layer (LbL) assembled to prepare thin film based on hydrogen bonding. The carboxylic group of acrylic acid and the phenolic hydroxyl group of dopamine can both act as hydrogen bond donors. The critical assembly and the crit…
In spite of the successful enhancement of the power‐conversion efficiency (PCE) in organic bulk heterojunction (BHJ) solar cells by surface plasmon resonance (SPR), the incorporation of several tens of nanometer‐sized (25–50 nm) metal nanoparticles (NPs) has some limitations to further enhancing the PCE due to concern…
Using sea coral as a new bio-mass in processing of particle-filled polymer composites is very promising in the field of structural applications. In this study, waste cuttlebone was used as a filler material in epoxy composites. In general, cuttlebone particles derived from crushing and sieving were in aragonite polymo…
A theory of contact angle hysteresis of liquid droplets on smooth, homogeneous solid substrates is developed in terms of the shape of the disjoining/conjoining pressure isotherm and quasi-equilibrium phenomena. It is shown that all contact angles, θ, in the range θr < θ < θa, which are different from the unique equili…
Measurements of the adiabatic temperature change (ΔT) and the specific heat transfer (ΔQ) of Ni2.18Mn0.82Ga Heusler alloy were taken in order to quantify the direct giant magnetocaloric effect of the alloy when it is in the vicinity of magneto-structural phase transition (PT) from paramagnetic austenite to ferromagnet…
The epoxidation of alkenes with peroxides by W VI, Mo VI, V V, and Ti IV compounds is well established, and it is well accepted that the active intermediate peroxo species are electrophilic toward nucleophilic substrates. Polyoxotungstates, for example, those of the “sandwich” structure, [WZn(TM–L) 2 (ZnW 9 O 34 ) 2 ]…