Materials Literature
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The surface of a dense Ni–yttria-stabilized zirconia (YSZ) anode for solid oxide fuel cells (SOFCs) was modified with niobium oxide in order to achieve sulfur tolerance. Results suggest that was reduced to under SOFC operating conditions, which has high electrical conductivity and catalytic activity toward hydrogen ox…
The $\Gamma$-limit of the Ohta–Kawasaki density functional theory of diblock copolymers is a nonlocal free boundary problem. For some values of block composition and the nonlocal interaction, an equilibrium pattern of many spheres exists in a three-dimensional domain. A subrange of the parameters is found where the mu…
Seven 3-D (3D) metal–organic framework solids [Nd2(pyta)2(H2O)6]n1 and {[Ln2(pyta)2(H2O)x]·yH2O}n (Ln = Sm 2, Eu 3, Gd 4 with x = 3, y = 2.5; Ln = Tb 5 with x = 2, y = 2.5, Ln = Dy 6, Ho 7 with x = 2, y = 2), H3pyta = 2,4,6-pyridinecarboxylic acid) have been prepared under hydrothermal conditions. X-Ray structural ana…
Utilizing biological pathways for producing components of nano-electronic devices is increasingly attracting researchers' attention. There are many reports of the artificial biomineralization of inorganic nanoparticles (NPs), such as conductive-material/semiconductor NPs, in the hollow cavities of cage-shaped protein…
The photochemical and electrochemical properties of self-assembled monolayers (SAM) of three structurally distinct hexahydro- and hexafluoro-dithienylcyclopentene-based photochromic switches on gold electrodes are reported. The photochemical and electrochemical switching between the open and closed forms of the dithie…
To realize practical application of cholesteric liquid crystals (CLCs) to photonic tunable laser devices, two efforts have been made: (1) photopolymerization and (2) use of third-harmonic generation (THG) for excitation. The proposed system is based on a spatial optical-pitch gradient in CLCs and doping of two organic…
We estimate theoretically the strength of the local Coulomb interaction for the Fe 3d and Ce 4f shells in the REFeAsO compunds. In LaFeAsO and CeFeAsO we obtain values of the local Coulomb interaction parameter U for both Fe and Ce which are larger than those of elemental Fe and Ce metals. The Fe 3d bandwidth of REFeA…
In the initial solidification stage in continuous steel casting, controlled crystallinity of the slag film is essential for regulating the horizontal heat flux from the strand to the mold. The effects of alkali oxides on the formation of cuspidine (3CaO·2SiO2·CaF2), which is the primary crystalline phase in the flux f…
Water-soluble La0.95Eu0.05F3·AEP (AEP = aminoethylphosphate) nanoparticles (NPs) were shown to react with 6-carboxy-5′-methyl-2,2′-bipyridine (bipyCOO−) in water, resulting in an increase of more than two orders of magnitude of the europium centred emission upon excitation at 305 nm. Nanoparticles coated by the bipyCO…
Two, bifunctional side-chain cyclopentadienylmanganese tricarbonyl complexes, 7 (pyridine and ketone side chain) and 14 (thioamide and pyridine side chain), were prepared and converted to chelates following CO dissociation by UV irradiation. Both pyridine ( 8 ) and carbonyl ( 9 ) chelates are observed following irradi…
Much contemporary nanotoxicology, nanotherapeutic and nanoregulatory research has been characterized by a focus on investigating how delivery of engineered nanoparticles (ENPs) to cells is dictated primarily by components of the ENP surface. An alternative model, some implications of which are discussed here, begins w…
Fibrous textiles have been increasingly used in a variety of industries. In these applications, the surface properties of textile materials play a very important role. The surface properties of textile materials can be modified by various techniques. Copper (Cu) nanocomposite textiles are prepared by magnetron sputter…
In this work, ∼1.4 µm dibutylphthalate (DBP) filled urea–formaldehyde (UF) microcapsules were used as Pickering stabilizers to create larger ∼140 µm microcapsules containing a second liquid phase, dicyclopentadiene (DCPD). The binary microcapsules were made by encapsulating the dispersed DCPD liquid (stabilized with t…
An analytical electron density of states (DOS) for zigzag and armchair single-wall carbon nanotubes (CNTs) are derived in this paper. The derivation originates from the tight-binding energy dispersion relation for CNTs and reveals the essential physics such as periodic van-Hove singularities and its dependence on chir…
Abstract Oxidation is an almost ubiquitous feature of inflammatory reactions. We discuss the development of nanocarriers that respond to the presence of oxidants with profound physical reorganization, which could in perspective allow their use for delivering anti-inflammatory principles in an inflammation-responsive f…
Programmed assembly and self-assembly of soft materials offers significant promise for the generation of new types of materials with useful properties. Through evolutionary processes occurring over billions of years, nature has produced numerous optimised building blocks for the controlled assembly of a wide range of…
In order to elucidate the reaction zone in porous anodes on yttria-stabilized zirconia (YSZ), ac impedance and steady-state polarization measurements are carried out in gas mixtures with different electrode thicknesses, 7, 20, and anodes. Steady-state polarization current becomes larger as the electrode becomes thicke…
Electrodeposited films of poly(ethylenedioxythiophene) (PEDOT) present a rough morphology and are wettable by water and oil. The covalent binding of low free energy fluorinated chains on the monomer before polymerization lowers the surface energy of the electroformed polymers sufficiently to give rise to superhydropho…
We report a simple one-step synthesis to prepare a porous high surface area copper(II) aerogel; calcination of the aerogel at relatively low temperatures induced a phase change which resulted in the formation of a mesoporous copper(II) oxide material.
CdSe nanotubes were successfully synthesized by a sonoelectrochemical technique for the first time; the formation process of the CdSe nanotubes was carefully studied and a sonication-induced roll-up mechanism is proposed.