Materials Literature
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Crystalline and non-crystalline nickel oxide (NiO) thin films were obtained by spray pyrolysis technique (SPT) using nickel acetate tetrahydrate solutions onto glass substrates at different temperatures from 225 to 350℃. Structure of the as-deposited NiO thin films have been examined by X-ray diffraction (XRD) and ato…
The near-spherical AgCl micro-crystals were prepared by an ionic liquids-assisted hydrothermal method. The influence of ionic liquids (C(x)MimCl x = 4, 8, 12, 16) on (001) facet growth of AgCl was studied systemically. The composition of the as-prepared samples was characterized by X-ray diffraction (XRD), thermogravi…
Zn substituted cobalt ferrite spinels with the general formula Zn(x)Co(1-x)Fe(2)O(4) (with x varying from 0 to 0.5) were synthesized by a co-precipitation method and calcined at 500 °C and 800 °C. It was found that Zn substitution has a big effect in decreasing the Curie temperature (T(c)), from around 440 °C for the…
Benzoyl peroxide is used as an oxidant for the oxidation of aniline to polyaniline salt via interfacial polymerization pathway (IP) for the first time in presence of sodium lauryl sulfate as emulsifier and 5-sulfophthalic acid as protonic acid. Polyaniline salt is also synthesized by interfacial polymerization using h…
In the last years, increasing biological interest is emerging for nanotechnology that can improve pharmacological treatments, by using nanomaterials. In particular, cerium oxide nanoparticles, considered one of the most interesting nanomaterials for their catalytic properties, show a promise for application in therapy…
An anode-supported solid oxide fuel cell of 45 cm 2 area was operated during 9000 h as electrolyser cell at about 780°C and −1 Acm −2 current density. The cell consisted of yttria-stabilised zircona (YSZ) as electrolyte, the hydrogen electrode of a nickel-YSZ cermet, and the oxygen electrode of strontium-substituted l…
This study is dedicated to the investigation of the change in mechanical properties of rigid polyurethane foam reinforced with carbon nanoparticles. Pure and nano-reinforced polyurethane foams were produced by an in situ polymerization technique. Carbon nanotubes (single-walled carbon nanotubes and multi-walled carbon…
The crystallization mechanism of a high-strength lithium disilicate glass-ceramic in the SiO(2)-Li(2)O-P(2)O(5)-Al(2)O(3)-K(2)O-(ZrO(2)) system, used as restorative dentistry material, has been examined on the basis of quantitative (29)Si magic angle spinning (MAS) and (29)Si{(7)Li} rotational echo double resonance (R…
The first single crystal-based description of a spin transition compound from the patented [Fe(Rtrz)(3)]X(2)·nH(2)O family is reported, properly the compound with Rtrz = 4-amino-1,2,4-triazole, X = NO(3) and n = 2. This study definitively proves the 1-D polymeric nature of the crystal structure and allows a descriptio…
Nanocarriers formulated with the US Food and Drug Administration-approved biocompatible and biodegradable polymer poly(lactic-co-glycolic acid) (PLGA) are being widely explored for the controlled delivery of therapeutic drugs, proteins, peptides, oligonucleotides, and genes. Surface functionalization of PLGA nanoparti…
Microwave irradiation can be used to heat conductive materials and metallocene precursors to initiate ultrafast CNT growth. It takes only 15-30 seconds to grow CNTs at room temperature in air, without the need for any inert gas protection and additional feed stock gases.
In this study, a novel nanocarrier (MSN@Fe3O4) is constructed using a facile technology by capping mesoporous silica nanoparticles (MSN) with monodispersed Fe3O4 nanoparticles through chemical bonding. The chemical links provide adhesion, which permits the magnetic nanoparticles, as nano-caps, to efficiently cover the…
A novel glucose-responsive controlled release of insulin system is constructed through coating enzyme multilayers on mesoporous silica particles (MSPs). The MSPs serve as the drug reservoir, and the enzyme multilayers cross-linked with glutaraldehyde act as a valve to control the release of insulin in response to the…
The sol-gel process is an inorganic polymerization considered a promising route for the design of new materials for optical, electrical, (bio)- medical and solar energy applications. Special attention is focused on the design of silica-based material by of sol-gel process. The aim of the paper is to investigate, in or…
In recent experimental work on spherical colloidal particles decorated with two hydrophobic poles separated by an electrically charged middle band (triblock Janus particles)—when particles are confined by gravity at the bottom of the sample holder—self-assembly into a Kagome two dimensional lattice has been documented…
We present a detailed experimental and theoretical study of the optical response of suspensions of ferromagnetic nanoparticles (“ferroparticles”) in nematic liquid crystals (“ferronematics”), concentrating on the magnetic field-induced Frederiks transition. Even extremely low ferroparticle concentrations (at a volume…
Gold nanostars can easily undergo reshaping into spherical particles by simply adding a small amount of CTAB. Such reshaping can be understood in terms of Ostwald ripening involving dissolution of weakly bound surface atoms at areas with high convex curvature and re-deposition at concave areas. This process can be sto…
A reliable explanation for the underlying mechanism responsible for the persistent aggregation and self-assembly of colloidal 5 nm diamond nanoparticles is critical to the development of nanodiamond-based technologies. Although a number of mechanisms have been proposed, validation has been hindered by the inherent dif…
Bayberry tannin (BT), a natural plant polyphenol, is used for the one-step synthesis of Au@Pd core–shell nanoparticles (Au@Pd NPs) in aqueous solution at room temperature. Due to its mild and stepwise reduction ability, BT was able to preferentially reduce Au3+ to Au NPs when placed in contact with an Au3+/Pd2+ mixtur…
Three hexatungstates ([(C4H9)3NCH3]2W6O19, [(C8H17)3NCH3]2W6O19, [(C12H25)3NCH3]2W6O19) have been synthesized and characterized. The hexatungstates were dissolved in the hydrophobic 1-octyl-3-methylimidazolium hexafluorophosphoric ([Omim]PF6) ionic liquid (IL) forming a water-in-IL emulsion system with aqueous hydroge…