Materials Literature
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Metal oxide nanoparticles embedded in a novel electrospun cellulose acetate–polyethylene oxide fibre developed using a co-continuous polymer blend followed by selective dissolution provided enhanced self-decontamination of toxic organophosphates such as methyl parathion.
A thermodynamic analysis was conducted to clarify the mechanism of formation of SiC nanofibers synthesized from exfoliated graphite and amorphous silica in an Ar/H2 atmosphere. Phase equilibria of reactants and the Gibbs energy change in the unit reactions suggest that the SiC nanofibers are produced via reactions inv…
Hot rolling of stainless steel is one of the most important steps in manufacturing process regarding surface quality of the product. Stabilised ferritic stainless steels are widely used in automotive and cosmetic appliances but are also concerned by sticking phenomenon. These grades, having high dry corrosion and cree…
Order within sub-monolayers of nanoparticles, fabricated by electrophoretic deposition, was assessed during nanoparticle deposition in a liquid suspension and after the films had dried by grazing-incidence small-angle X-ray scattering. Experiments were performed in a custom-made, liquid-phase cell. The results indicat…
An intelligent and biodegradable material pack- aging was developed based on a natural and thermal-sensitive pigment. Anthocyanin (ATH, 0.50 g/100g) was incorporated into chitosan matrix films (2 g/100g) forming a chitosan intelligent film (C-ATH). The system is able to indicate the variation of temperature during dis…
Rational design of meta-linked oligophenylbutadiynylene (OPBD) derivatives was conducted in order to gain insight into their gelation properties and reactivity toward topochemical polymerization to yield polydiacetylenes (PDAs). Different structural parameters influencing the gel formation such as the presence of peri…
We report the competitive adsorption of CO, ethylene and acetate on a Pd–Au (100) surface in the reaction system of vinyl acetate synthesis with DFT method. The effect of CO on the catalytic performance of Pd–Au in the vinyl acetate system was also studied. Moreover, the method of reducing the content of CO in the ind…
The first ruthenium-silsesquioxyl complexes have been synthesised and characterized via spectroscopic and X-ray methods. Mechanistic studies were performed and the complexes obtained were proved to be intermediates in the catalytic cycle of silylative coupling of olefins with vinylsilsesquioxane. Moreover, a mechanism…
Au nanoclusters with the uniform size of 2 nm decorated on graphene (AuNCs-G) were successfully fabricated by a green photo-reduction method., The composite was characterized by transmission electron microscope (TEM), X-ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FTIR). This one-pot…
In order to exploit graphene (Gr) as a transparent electrode in organic optoelectronics, a profound understanding of molecular wetting and diffusion processes on this material is essential. Properties of Gr like band structure, work function, or elasticity depend significantly on the layer number. Here, we report on G…
The (In, Ga, Zn)Ox(IGZO) thin films were deposited on glass substrates using cosputtering method in radio frequency magnetron sputtering system. Zn2Ga2O5(Ga2O3-2 ZnO, GZO) and In2O3ceramics were used as targets and dual guns were used to deposit the IGZO thin films. Deposition power of GZO target was 80 W and depositi…
This paper presents a method for optimizing the efficiency of a surface permanent magnet (SPM) motor taking into account the carrier harmonics based on magnetic and electric networks. The eddy current loss in the magnets of the SPM motor, including carrier harmonics, is calculated with an electric network model. Then,…
The cation binding strength of calix[4]pyrroles in the gas phase has been evaluated by computational studies and further substantiated by ESI mass spectrometry experiments. The DFT optimized geometries of [CP + X](+) complexes are found to be stable in a 1,3-alternate conformation through cation-π interactions and int…
Three-dimensional hybrid nanostructures (i.e., Te "nanobranches" on a Si "nanotrunk" or Te "nanoleaves" on a Si "nanotrunk") were synthesized by combining the gold-assisted chemical etching of Si to form Si "nanotrunks" and the galvanic displacement of Si to form Te "nanobranches" or "nanoleaves." By adjusting the com…
Zn1-xCoxO nanoparticles have been synthesized at various concentrations of Co2+ doping (0.005 ≤ x ≥ 0.15) by wet chemical method. Particle size was ranging from 34 – 45 nm. The magnetic moment increases from x = 0.005 and 0.01 sample to x = 0.04 sample drastically showing a value of magnetic moment as high as 8.54 μB/…
This paper is devoted to the building of a numerical pore collapse model with “hot-spots” formation for the impacted damage explosives. According to damage mechanical evolution of brittle material, the one-dimensional elastic-viscoplastic collapse model was improved to incorporate the impact damage during the dynamic…
PbS thin films were grown on glass and GaSe crystal substrates by chemical bath deposition and their structural, morphological, optical, and electrical properties were investigated. PbS films grew in cubic structure with lattice constants equal to 5.9315 Å and 5.9362 Å for films grown on glass and GaSe crystal, respec…
In this paper, an impedance variation for the stepped giant magnetoimpedance (GMI) element, when subjecting to a strong normal field, is reported. The stepped GMI element is an element which has an impedance-step property, which happens simultaneously with a change of magnetic domain. The strong normal field varies a…
A porous copper/tungsten oxide (WO3)/polyaniline (PANI) composite modified electrode CuWP was fabricated by electrochemical deposition of copper nanosheets on WO3/PANI composite. The CuWP exhibited higher electrocatalytic activity for nitrate reduction than the similarly prepared copper modified electrode due to the l…
Study of the acid bake-leach process has shown potential advantages for the treatment of enargite (Cu3AsS4) concentrates. Among the most important advantages of the process is the transformation of enargite to water-soluble copper sulfate and highly soluble arsenic trioxide (arsenolite). Because arsenic is retained in…