Showing papers in "Materials Chemistry and Physics in 2009"

TL;DR: In this paper, high conducting polyaniline (PANI)-multi-walled carbon nanotube (MWCNT) nanocomposites were prepared by in situ polymerization.

TL;DR: A one-step, a one-pot, no post-synthesis calcination and no sol-gel synthesis was used for preparation of rare earth doped visible-light sensitive titania as mentioned in this paper.

TL;DR: In this paper, a simple polymer complex method using cerium (III)) acetate hydrate and polyvinyl pyrrolidone (PVP) as the starting chemicals was used to synthesize CeO 2 nanoparticles.

TL;DR: In this article, electrospun fibers were developed as a new system for the delivery of ketoprofen as non-steroidal anti-inflammatory drug (NSAID), and the results showed that the release rates from polycaprolactone, polyurethane and their blend were similar.

TL;DR: In this article, the impregnation of a porous material with a phase change material (PCM) was studied, where erythritol was selected as the PCM and expanded perlite (EP), diatom earth (DE), and gamma-alumina (GA) were selected as porous materials.

TL;DR: In this paper, the performance of tetrazole derivatives in terms of corrosion inhibition in aluminum was investigated in the presence and presence of different concentrations of different derivatives, namely, 1-phenyl-1H-tetrazole-5thiol (A), 1H-Tetrazol-5-amine (B), 1 H-TETrazol 5-thiol(C), 1-Htetramide (D), 1

TL;DR: In this paper, a series of Ni-Zn ferrites is prepared in the form of nanoparticles using a novel combustion method, which yields more effective and pure final product of nano ferrites.

TL;DR: In this paper, microwave irradiation of silver nitrate (AgNO3) solution in ethanolic medium using polyvinylpyrrolidone (PVP) as a stabilizing agent.

TL;DR: In this paper, structural and morphological characterizations of SnO 2 and PANI/SnO 2 were carried out using power X-ray diffraction (XRD) and field emission scanning electron microscopy (FESEM).

TL;DR: The size-dependent physicochemical and optical properties of silica nanoparticles have been studied in this article, where a significant increase in the specific surface area (SSA), concentration of silanol groups (δOH) and apparent density (Da) were observed as the particle size reduced from ∼130 to ∼7 nm.

TL;DR: In this article, the authors reported the synthesis of nickel ferrite (NiFe 2 O 4 ) nanoparticles using sol-gel and hydrothermal methods using glycolic acid as a chelating agent.

TL;DR: In this article, single crystal ZnO nanowires were synthesized by the thermal decomposition of zinc acetate dihydrate at 300°C in air for 3h without a catalyst.

TL;DR: In this paper, structural and magnetic studies have been carried out on In3+ substituted NiFe2O4 having chemical formula NiFe 2−xInxO4 (x = 0.0-0.30 in step of 0.05) prepared through solid-state reaction.

TL;DR: In this article, nano-sized porous γ-aluminas have been successfully synthesized by control precipitation method using aluminium nitrate as precursor and different precipitating agents, which have been characterized by SEM, FTIR, XRD and N 2 adsorption-desorption.

TL;DR: In this paper, the cathodic electrodeposition method was employed to deposit amorphous copper oxide thin films at room temperature on stainless steel substrate, and their structural and surface morphological properties were investigated by means of X-ray diffraction (XRD) and scanning electron micrograph (SEM), respectively.

TL;DR: In this article, a sol-gel method using polyvinyl alcohol aqueous solutions and metal nitrate precursors was used to synthesize ZnO, CuO, and Cu0.05Zn0.95O nanoparticles.

TL;DR: In this paper, it was shown that cherry stones-wastes can be recycled as activated carbons for electrode material in supercapacitors, which lead to capacitances at low current density as high as 230 F g−1 in 2 M H2SO4 aqueous electrolyte and 120 F g −1 in the aprotic medium 1 M (C2H5)4NBF4/acetonitrile.

TL;DR: In this article, the effect of temperature on the inhibition efficiency at certain concentration of the studied compounds was investigated and discussed, showing that they have good pickling inhibitor's quality as they perform well even at relatively high temperature.

TL;DR: In this article, the effect of plasticizer on dielectric and electrical properties of an ionically conducting polymer nanocomposites PEO 25 -NaI+5.5 ¼wt.% PEG 200 with different value of x has been investigated.

TL;DR: In this article, the effects of untreated and pretreated carbon nanofibers (CNFs) on the crystallization behavior, friction behavior, and mechanical properties of ultra high molecular weight polyethylene (UHMWPE)/high density polyethylenes (HDPE) nanocomposites prepared by a twin-screw extrusion were studied.

TL;DR: In this paper, a composite of multi-walled carbon nanotubes (CNTs) were chemically activated using KOH in order to improve their specific surface area, electrical conductivity, and specific capacitance.

TL;DR: In this article, magnetic nanoparticles of Fe 3 O 4 were fabricated through hydrothermal reaction by using sodium bis(2-ethylhexyl) sulfosuccinate (AOT) as a surfactant and hydrazine hydrate (N 2 H 4 ·H 2 O) as reductant.

TL;DR: In this article, a polycrystalline ferrite of CdxMg1−xFe2O4 with addition of 5% of yttrium has been synthesized by oxalate co-precipitation method and characterized by XRD, SEM and FTIR techniques.

TL;DR: In this paper, the authors used an optical microscope linked with a computerized imaging system using MSQ software to detect three types of inclusions: Al−Cu, Al-Cu-Fe, Al−Fe-Fe-Si−Mn, and Al−Si-Mn enriched regions.

TL;DR: In this paper, the elaboration by cathodic electrodeposition of cerium-based oxides on carbon steel from relatively concentrated cerium nitrate solutions is investigated, and the electrochemical and analytical characterisation of the films and the correlations between electrochemical features and the characteristics of the layers are discussed.

TL;DR: In this article, the effect of nano-alumina nanoparticles in a diglycidyl ether of bisphenol A (DGEBA) type epoxy resin using different approaches based on in situ Fourier transform infrared spectroscopy, differential scanning calorimetry (DSC), dynamic mechanical, mechanical and microstructure measurements.

TL;DR: In this paper, microcapsules were formulated by encapsulating dicyclopentadiene (DCPD) with a shell of melamine formaldehyde (MF) using optical microscopy and environmental scanning electron microscopy (ESEM).

TL;DR: In this article, the growth mechanism of the ZnO arrays is by self-aggregation, and that such an oriented aggregation is enhanced by increasing the reaction temperature, which introduces structural defects such as differences in mass distribution and crystalline structure.

TL;DR: In this article, a 0.5% (w/v) γ-ray irradiated chitosan-aqueous acetic acid solution was used to obtain stable nanoparticles for more than three months without tendency to precipitate.

TL;DR: In this article, the effect of milling time, ultrasonic vibration time and the weight ratio of flake graphite in the absorber on the absorption property over the frequency range of 8-18 GHz were examined by the Radar Absorbing Material reflectivity far field Radar Cross Section method.