Materials Literature
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In this study, flexible polymer chains are incorporated into silicon oxide films by magnetron co‐sputtering two targets, namely, silica and dicyclopentadiene dioxide cured with maleic anhydride (DCPD/MA), to solve the brittle problems of these passive barrier packaging materials. Composite SiOx/polymer films are prepa…
Visual luminescence of natural margarosanite, swedenborgite and walstromite is well known for mineralogists, but their spectral characteristics and interpretation were still missing. We studied those minerals by laser-induced time-resolved luminescence technique, described the corresponding spectral and kinetic parame…
Abstract Functional molecules have been combined with colloidal quantum dots to build robust, closely packed, conductive solid state devices. In this research work, we report on the fabrication, characterization, and evaluation of infrared (IR) photodetectors based on lead sulfide (PbS) quantum dots capped with thioac…
Abstract The microstructure of carbon/carbon composites obtained by chemical vapor infiltration of carbon‐fiber felts was studied comparatively by means of Raman spectroscopy, polarized light microscopy (PLM), scanning electron microscopy (SEM), and X‐ray diffraction. The matrices, which are homogeneously textured acc…
HSVEC behavior under physiological shear stress in vitro is investigated on PET surfaces micropatterned with both RGDS and WQPPRARI peptides. This technique allows (i) creating geometries on surface to guide cell orientation under shear stress and (ii) controlling surface chemical composition in order to modulate cell…
Gold nanoparticles supported on cubic mesostructured silica have been synthesized leading to a highly selective catalyst for the aerobic oxidation of trans-stilbene.
Silicon nanocrystals (Si-NCs) were grown in situ in carbide-based film using a plasma-enhanced chemical vapor deposition method. High-resolution transmission electron microscopy indicates that these nanocrystallites were embedded in an amorphous silicon carbide-based matrix. Electron diffraction pattern analyses revea…
Solidification microstructure is a defining link between production techniques and the mechanical properties of metals and in particular steel. Due to the difficulty of conducting solidification studies at high temperature, knowledge of the development of solidification microstructure in steel is scarce. In this study…
A blue-emitting phosphor - Ca2BN2F:Eu2+ was synthesized by a solid state reaction. Ca2BN2F crystallizes in the orthorhombic system with space group Pnma (No. 62) and Z = 4. The Ca2BN2F:Eu2+ exhibites broad emission and excitation bands corresponding to the allowed f→d electronic transition of Eu2+. Concentration quenc…
Abstract Poly(ethylene terephthalate) (PET) nanocomposite films containing two different organoclays, Cloisite 30B® (C30B) and Nanomer I.28E® (N28E), were prepared by melt blending. In order to increase the gallery spacing of the clay particles, a sulfopolyester (PET ionomer or PETi) was added to the nanocomposites vi…
A facile method was adopted to perform succinylation of cellulose using succinic anhydride and a reactive extrusion process in the presence of ionic liquid (IL), 1-butyl-3-methylimidazolium chloride [Bmim]Cl. Succinylated cellulose with a degree of substitution (DS) in the range of 0.166–0.245 was obtained. Upon chara…
Stable, high-index facet Re nanoparticles have been grown by a solid state synthetic method, negating the need for solutions or surfactants to control seeding, supracrystallization and NP shape. By using mixtures of K[ReO4] and the cyclic triphosphazene [NP(O2C12H8)]3, high-index facet nanoparticles and nanocrystals ∼…
Stable silver nanoparticles (AgNPs) with narrow size distribution were non-enzymatically synthesized through hydroxyl ions (OH-) assisted bioreduction of diamine silver complex with dry Aeromonas sp. SH10 cells. The effects of reaction temperature, concentrations of OH-, silver and the dry cells on the reduction of Ag…
It was shown that polyethylene glycol molecules act as good corrosion inhibitors. Quantum chemical simulation showed the effect of molecular weight on studying polymers with repeating units 1, 2, 3, 4, and 5 and also polymers with high molecular weights with repeating units 10, 20, and 30. Using the density functional…
Nanosized Nd-doped strontium ferrites, SrNdxFe12-xO19, with x=0.3, were successfully prepared through a chemical coprecipitation process. The samples were characterized by TG-DSC, XRD, FT-IR. The results of TG-DSC and XRD showed that the single phase of Nd-doped strontium ferrite formed directly through the reaction o…
Kinetensin (KN) and its amino acids 1–8 fragment ([des‐Leu9]KN), neuromedin N (NMN), and xenopsin (XP) and its two analogs (human XP‐1/xenin‐8 and XP‐2) belong to the neurotensin family of peptides and are known to stimulate the growth of human tumors. In this work, we report surface‐enhanced Raman scattering (SERS) s…
The self-assembly of hyperbranched polymers has attracted much attention because of their wide application. In this article, we report a new facile surface self-assembly method for a carboxyl-ended hyperbranched polyester/platinum complex (HTD-3-Pt) and obtain ordered structural microrods with a length of 10-20 μm and…
Abstract The polypyrazolyl ligand H4L, a functionalised derivative of 3‐bpp [bpp = bis(pyrazol‐3‐yl)pyridine], has been used to synthesise an FeII spin‐crossover (SCO) system [Fe(H4L)2](ClO4)2·2THF·H2O (1). A subsequent magnetic and structural study revealed that the compound undergoes an incomplete transition with a…
The structural, magnetic, electrical and thermal transport properties of the polycrystalline samples Ca 3 Co 4− x In x O 9 ( x = 0, 0.05, 0.10, 0.15, and 0.20) have been investigated systematically. The results indicate that the In‐substitution has a negative effect on the low‐temperature ferrimagnetic transition and…
A reduced mechanism simplified from a detailed chemical kinetics mechanism containing N/H/O/K/Na elements was developed and validated in this paper. When the reduced mechanism was integrated into computational fluid dynamics (CFD) software, the effect of potassium and sodium additives on the selective non-catalytic re…