Materials Literature
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Nickel nanoparticles were electrochemically deposited on indium‐tin oxide (ITO) coated glass plate in a modified Watt’s electrolyte. The surface‐enhanced infrared absorption (SEIRA) effect of the nanoparticles was evaluated by attenuated total reflection spectroscopy (ATR‐FTIR) using o‐nitroaniline as a probe molecule…
The electrochemical deposition of a conducting polymer on a non-conductive polymer requires a conductive layer, which can be achieved by sputtering or vaporisation of precious metals such as gold or platinum. In this investigation we coated poly(styrenesulphonate) doped poly(3,4-ethylenedioxythiophene)/multi-walled ca…
The influence of the pellet shape on the external coefficient of friction of polypropylene and on the mass flow rate of a single screw extruder is presented in this conference paper. The external coefficient of friction describes the friction between the polymeric bulk material and the screw or the barrel surface. In…
Two supramolecular isomeric anionic porous coordination frameworks synthesised using ion liquids contain similar linear trinuclear zinc motifs but exhibit quite different (4,7)- and (4,6)-connected topologies. Isomer 1 can degrade methylene blue (MB) effectively under UV-light-irradiation, but isomer 2 showed remarkab…
We first introduced mPEG- b -PVP diblock copolymer as a surfactant to the self-seeding polyol synthesis of Ag NWs.
This paper reports on nanocomposites of enhanced field induced strain based on an electrostrictive polymer mixed with BaTiO3 and TiO2 nanofillers of high dielectric constants. Nanocomposite thin film bimorph actuator stacks were optimized with respect to the nanofiller homogeneous dispersion and thin film surface roug…
We propose a large parallax barrier by use of aperture grille. Main advantages of using aperture grille include no reflection and no absorption in apertures, as well as wide viewing angle. These advantages are investigated with theoretical calculations and experiments by use of several kinds of LED panels, such as a f…
Sulfur dioxide is one of the major pollutants resulting from fuel combustion. In this study, CaO and attapulgite were utilized as raw material for synthesizing CaO/attapulgite (CaO/ATP) desulfurizer. The physicochemical characteristics of CaO/ATP desulfurizer were evaluated by various techniques such as XRD, SEM, FT-I…
Cobalt supported on mesoporous silica SBA-15 (0.75, 1.5 and 3 wt% Co) were used as catalysts for the oxidation of carbon black. Catalysts were characterized by N2 sorption, XRD, TEM and TPR. The catalytic activity in CB oxidation was measured. It has been shown that only small cobalt domains (less than 5 nm) are prese…
One-dimensional (1D) assembly of TiO2 nanoparticles (NPs) was successfully achieved by an improved electrospinning technique. Electrospinning precursor solution was prepared with conventional TiO2 NPs and polyvinylpyrrolidone dispersed in ethanol. The newly developed 1D assembly of nanoparticles (AS-NP) has been intro…
A new process was developed for synthesizing tungsten-doped vanadium dioxide VO 2 (M) from ammonium metavanadate. The process includes obtaining V 2 O 5 by pyrolysing NH 4 VO 3 , doping tungsten in V 2 O 5 by sol-gel method, and reducing V 2 O 5 to VO 2 (M) with hydrazine by hydrothermal method. X-ray diffraction (XRD…
A ‘dissolving first and then reassembling’ way was presented for preparing an SN@SiO 2 composite by the hybridization of an antistatic agent SN with diatomite. The colored antistatic agent was prepared by binding of the composite with a sulfonic dye. Also, it captured nonylphenol from wastewater, and the waste sludge…
In this work we examined optical and defect properties of as-grown and Ni-coated ZnO nanowires (NWs) grown by rapid thermal chemical vapor deposition by means of optically detected magnetic resonance (ODMR). Several grown-in defects are revealed by monitoring visible photoluminescence (PL) emissions and are attributed…
Mesoporous composites from waste glass have been synthesized by simple heating process. The ability in the control of pore size was controlled by adjusting the time of melting point. In this study, the time of melting process was used a pore-forming agent in composite from waste glass. The composites from waste glass…
Perovskite oxides of the BaPb 1-x Sb x O 3 family, with x = 0, 0.1, 0.2 and 0.3 were prepared via ceramic route. The chemical, structural, morphological and electrochemical characterization of the different materials was performed. All the oxides present a perovskite-like structure. The crystallite size and the unit c…
This study deals with the safety operation of AC resistance spot welding (RSW) system. The input of the RSW system is the firing angle of the silicon‐controlled rectifier (SCR) during each control cycle. Wrongly choosing a firing angle may induce disastrous consequence. The range of firing angle depends on the system'…
Co-Cr ferrites with the chemical formulae, CoFe2-xCrxO4 (x = 0 to 0.5 in steps of 0.1) were prepared by sol gel autocombustion method. Lattice constants were determined from X-ray diffraction patterns. Magnetic properties were studied by VSM and Mössbauer spectroscopy. Magnetostrictive coefficients were measured using…
We have studied composites of a ferroelectric liquid crystal mixture with a simple organic gelating agent, employing structural, thermal, electrical and mechanical probes, investigating the influence of the coupling between the polarization and the tilt angle on the ferroelectric properties of smectic gels. The calori…
Chemical Mechanical Polishing (CMP) is used in polishing of glass and ceramic surfaces as well as in integrated circuit manufacturing to remove excess material and provide a globally planarized wafer surface. One of the critical consumables in the CMP process is abrasive slurry typically containing both abrasives and…
We have developed hierarchical double-shelled SnO 2 hollow spheres by a sequential template-engaged method, in which the loosened SnO 2 floccules are well-grown on the inside wall of the hollow spheres.