Materials Literature
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The photochemistry of the complexes [Fe(N4Py)(CH(3)CN)](ClO(4))(2) (1), where N4Py is 1,1-di(pyridin-2-yl)-N,N-bis(pyridin-2-ylmethyl)methanamine and [Fe(MeN4Py)(CH(3)CN)](ClO(4))(2) (2), where MeN4Py is 1,1-di(pyridin-2-yl)-N,N-bis(pyridin-2-ylmethyl)ethanamine, in water, dichloromethane and methanol is described. Un…
AgBr nanocubes, with an average edge length of 500 nm, were synthesized by a facile precipitation reaction. A plausible growth mechanism was proposed. The as-prepared AgBr nanocubes were used as photocatalysts for the first time, exhibiting excellent photocatalytic activity under visible light illumination.
Two new complexes {[Co(dcpy)(bipy)0.5]·H2O} (1) and {[Co(dcpy)(bipy)0.5(H2O)]·2H2O} (2) constructed from the same initial materials Co(NO3)2·6H2O, 3-(2′,5′-dicarboxylphenyl)pyridine (H2dcpy) and 4,4′-bipyridine (bipy), exhibiting varying architectures from a 3D 4-fold interpenetrated framework to a 2D layer-type porou…
Langmuir–Blodgett (LB) films were prepared by hybridizing a floating monolayer of an amphiphilic cationic iridium(III) complex with clay particles in a subphase. Two kinds of iridium(III) complexes were used: [Ir(dfppy)2(dc9bpy)]+ (denoted by DFPPY: dfppyH = 2-(4′,6′-difluoro-phenyl)pyridine; dc9bpy = 4,4′-dinonyl-2,2…
Gold nanoparticles (AuNPs) protected by self-assembled monolayers (SAMs) are capable of presenting precisely engineered surfaces at the nanoscale, allowing the mimicry of biomacromolecules on an artificial platform. Here we review the generation, characterization, and applications of monolayer-protected AuNPs that hav…
A mild, wet chemical strategy has been developed to synthesize three-dimensional (3D) multicomponent koosh ball nanoarchitectures comprised of a tunable magnetic iron oxide core and a 3D fluorescent ZnO nanowire shell, which demonstrate enhanced photocatalytic property towards dye degradation under UV irradiation. The…
Gold nanoparticles on different oxidic supports (TiO2, Al2O3 and ZnO) have been studied for the oxidation of glycerol in methanol, using molecular oxygen as the oxidizing agent in a batch set-up. The main oxidation products are methyl glycerate and dimethyl mesoxalate in over 95% selectivity at high glycerol conversio…
[In(Me 2 phen)Cl 3 (DMSO)]·DMSO complex (1) (Me 2 phen is 5,6-dimethyl-1,10-phenanthroline and DMSO is dimethyl sulfoxide) and [In(Ph 2 phen)Cl 3 (CH 3 CN)] complex (2) (Ph 2 phen is 4,7-diphenyl-1,10-phenanthroline) were prepared from the reaction of 5,6-dimethyl-1,10-phenanthroline and 4,7-diphenyl-1,10-phenanthroli…
Al 2 O 3 is widely used as the reinforcing additive in the metal matrix composites. The influence of Al 2 O 3 particle size on the density, hardness, microstructure, yield stress, compression strength, and elongation of the sintered Al-Al 2 O 3 composites were investigated. In the present study, 10 wt% of Al 2 O 3 pow…
Algae are part of photosynthetic organisms that play an important role in the aquatics nutrition.Like plants, algae need water, light and CO2 to grow.Using Taguchi's experimental approach (5 factors in four levels with 16 runs), effects of several parameters (NaCl, sodium bicarbonate and iron concentrations as well as…
In order to better simulate a real model which can be realized in experiment, we study a two-dimensional(2D) Frenkel-Kontorova(FK) model driven by the disordered substrate potential which is charactered by the sum of identical Gaussian functions. Commensurate and incommensurate interfaces are discussed. In the paper,…
This investigation deals with the application of electrochemical technology for the onsite generation of sodium hypochlorite (NaOCl) from seawater for utilization in the power industry. The interaction at different levels of several variables namely, the electrode type and their surface area ratio, current density, an…
Molten fluoride salts such as FLiNaK (LiF-NaF-KF: 46.5-11.5-42 mol %) have been proposed for use as secondary reactor coolants, media for transfer of high temperature process heat from nuclear reactors to chemical plants, and for concentrated solar power thermal energy storage. In molten fluoride salts, passive oxide…
The reaction of CoBr(2), 1,2-di(4H-1,2,4-triazol-4-yl)diazene (bta) and KSCN yielded a one-dimensional coordination polymer [Co(SCN)(2)(bta)(H(2)O)(2)] with water molecules coordinated to the metal ions. After dehydration at 100 °C, the compound transformed into a layered coordination polymer [Co(SCN)(2)(bta)], whose…
New alkyloxyphenyl substituted pyrazolium salts [H2pzR(n)][A] (R(n) = C6H4OCnH2n+1; n = 8, 10, 12, 14, 16, 18; [A] = Cl−, BF4−, ReO4−, SbF6−, CF3SO3−, CH3-p-C6H4SO3−) have been synthesised and characterised. Those containing Cl−, BF4−, ReO4− and SbF6− anions behave as liquid crystal compounds exhibiting smectic A (SmA…
The present study explores the possibility of using superelastic Shape Memory Alloy (SMA) wires to improve the wrinkle recovery of flax fabrics that exhibit very poor recovery from creasing. Three types of hybrid yarns (H1- H3) were developed consisting of a SMA wire (Ni-Ti alloy) as the core, with a textile shield ar…
We have developed a novel one-step and effective electrochemical (EC) method to directly exfoliate graphite into thin reduced graphene oxide (RGO) nanosheets at room temperature. The oxidation degree of the RGOs depends on the switching potentials of the EC synthesis. The high switching potential can significantly inc…
BACKGROUND: To properly assess the progression and treatment response of alopecia, one must measure the changes in hair mass, which is influenced by both the density and diameter of hair. Unfortunately, a convenient device for hair mass evaluation had not been available to dermatologists until the recent introduction…
PAHs such as coronene and hexa-peri-hexabenzocoronene (HBC, a nanographene) are commonly used in discotic liquid crystals, for which achieving long-range columnular order is vital for the development of materials with maximized charge-transfer rates. We demonstrate that simple substituents can have a dramatic impact o…
Characteristics of Pulse-Reverse Electrodeposited Cu Thin Films: I. Effects of the Anodic Step in the Absence of an Organic Additive, Kim, Myung Jun, Lim, Taeho, Park, Kyung Ju, Cho, Sung Ki, Kim, Soo-Kil, Kim, Jae Jeong