Materials Literature
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ABSTARCTThe present study is focused on the investigations of possible effects on electro-optical properties of carbon nanotubes (CNTs) doped ferroelectric liquid crystal (FLC), W206E. The optical micrographs of nanocomposite systems reveal some topological defects. The spontaneous polarization of doped systems decrea…
Filtration failure occurs when filter media are blocked by accumulated solid particles. Suitable operating conditions were investigated for cake cleaning by partial oxidation of filter-cake particles (FCPs) during biomass gasification. The mechanism of the FCP partial oxidation was investigated in a ceramic filter and…
Preparation of silver nanocubes (Ag NCs) with low temperature and controlled shapes is challenging in an aqueous solution because of its anticipated low embodied energy and experiment controllability. In this work, Ag NCs have been successfully synthesised under facile reaction conditions (at 30°C oil bath and under d…
Considering that previous invisible gateways (an open entrance that only blocks electromagnetic waves) based on super-scatters designed by transformation optics cannot effectively work for narrow beams and light rays that do not touch negative refractive index material, we explore a new way to realize an improved invi…
We designed and synthesized two blue fluorescent materials based on spiro[9H-fluorene-9, 5′-[5H] indeno[1, 2-b] pyridine via Buchwald-Hartwig amination and Suzuki coupling reaction. To characterize their electroluminescent properties, multilayered organic light emitting diodes (OLEDs) were fabricated with the followin…
We proposed new type of ultraviolet/heat dual-curable sealants for liquid crystal display (LCD) with low water permeability and high adhesive strength. The water permeability and adhesive strength performance of the proposed sealants containing plate-like inorganic fillers such as talc and mica were compared to those…
Notch signaling is an evolutionarily conserved cell-cell communication system used broadly in animal development and adult maintenance. Interaction of the Notch receptor with ligands from neighboring cells induces activation of the signaling pathway (trans-activation), while interaction with ligands from the same cell…
Abstract Malate dehydrogenase (EC 1.1.1.37) was purified to homogeneity from the phototrophic purple non-sulfur bacterium Rhodovulum steppense A-20s. According to gel-chromatography and electrophoretic studies, malate dehydrogenase is present as a dimer, tetramer and octamer depending on cultivation conditions. In pho…
A facile strategy for the preparation of organic nitrogen functional multi-walled carbon nanotubes (MWCNTs) in aqueous solution is proposed, where MWCNTs were functionalized by simultaneous radiation-induced graft polymerization of acrylamide under the γ-ray. The structure of the poly(acryl amide) grafted MWCNTs (deno…
Two D–D–π–A organic dyes (M45, M46) with dithieno[3,2-b:2′,3′-d]pyrrole (DTP) units as election donors in two perpendicular directions, were investigated using density functional theory (DFT) and time-dependent DFT. The ground-state geometries, the absorption, the electronic structures, the charge density difference a…
As a research object it has been used the samples of petrol AI-92 from the oil of Azerbaijan. Laboratory studies have been conducted on gamma-source Co60 at dose rate P=0,18 Gy/s within the absorption dose range D=15-150 kGy. The results of chromatographic, IR-spectroscopic studies have been given. The viscosity and d…
Acceptor-donor-acceptor (A-D-A) type organic small molecule (SM-1) has been explored as an efficient dopant-free hole transporting material (HTM) to replace spiro-OMeTAD in the perovskite solar cells. High quality smooth, uniform, and hydrophobic SM-1 HTM can be readily deposited through solution casting without any e…
Terbium(III), yttrium(III), and neodymium(III) complexes with 4-aminobenzoic acid have been co-doped into silica matrix. For the samples, the characteristic emissions of terbium(III) increase obviously with the addition of yttrium(III) complex, while the reverse is true with the addition of neodymium(III) complex. Com…
Abstract Copoly(2‐nonyl‐2‐oxazoline)‐stat‐poly(2‐dec‐9′enyl‐2‐oxazoline)s can be crosslinked by the thiol‐ene reaction with glycol dimercaptoacetate. The copoly(2‐oxazoline)‐stat‐copolyester is tested as dielectric for high‐voltage applications, either as unfilled resin or as composite with nanoscaled fillers of silic…
This study introduces an innovative apodisation strategy to tune the filtering features of distributed Bragg reflectors based on nanoporous anodic alumina (NAA-DBRs). The effective medium of NAA-DBRs, which is modulated in a stepwise fashion by a pulse-like anodisation approach, is apodised following a logarithmic neg…
An InAs/GaAs0.86Sb0.14quantum dot solar cell and a GaAsSb control cell were investigated using temperature-dependent current density-voltage (J-V), external quantum efficiency, photoluminescence (PL), and electroluminescence (EL) measurements. Thermally activated defect states associated with the GaAsSb matrix materia…
To rich the coordination polymer and polyoxometalate (POM) chemistry, two new hybrid compounds based on Keggin POMs with antifungal medicine fluconazole (Hfkz = [1-(2,4-difluorophenyl)-1,1-bis [(1H-1,2,4-triazol-1-yl)-methyl]methanol]), [Ag4(Hfkz)2][PW12O40] (AgFkzPW12) and [Ag4(Hfkz)2][SiW12O40] (AgFkzSiW12), have be…
This work is dedicated to study the effects of defects and microstructures on release melting of shock-loaded copper, based on large-scale molecular dynamics simulations. Three types of specimens are established including a single crystal with a nanovoid, a bicrystal with a twist grain boundary, and an idealized hexag…
Composite materials possessing both crystalline and amorphous domains, when subjected to X-ray and neutron scattering, generate diffraction patterns that are often difficult to interpret. One approach is to perform atomistic simulations of a proposed structure, from which the analogous diffraction pattern can be obtai…
An investigation of the chemical form, the concentration, and distribution of lead species between the gas and condensed phase was carried out under gasification-like conditions. The influence of hydrogen sulfide, hydrogen chloride, and steam on the speciation of lead was studied. The gaseous species were determined o…