Materials Literature
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A nanoparticle-decorated composite membrane has been devised at the water/CCl4 interface based on the self-assembly of ligand-stabilized gold and zinc oxide nanoparticles, exploiting the 'thiol–ene' click chemistry between the thiol groups of 11-mercaptoundecanoic acid-stabilized ZnO nanoparticles and the ene function…
Abstract New clustomesogens (i.e., metal atom clusters containing liquid crystalline (LC) materials) have been obtained by grafting neutral cyanobiphenyl (CB)‐ or cholesteryl‐containing tailor‐made dendritic mesomorphic triphenylphosphine oxide ligands on luminescent (M6Cli8)4+ octahedral cluster cores (M=Mo, W). The…
Lignin-based membrane material was prepared from lignosulfonate extracted from sulfite pulping. The effects of formaldehyde, polyvinyl alcohol (PVA), urea, borax, glutaraldehyde (GD), and dimethyl phthalate (DMP) on tensile strength and water absorption were investigated. The experimental results showed that the optim…
The effect of tungsten trioxide doping on the photovoltaic efficiency of dye-sensitized solar cells (DSSCs) with anodized TiO2 nanotubes was investigated. Tungsten-doped TiO2 nanotubes with different amounts of tungsten were obtained directly by the electrochemical anodizing of titanium in a single-step process using…
Dermoscopy permits visualization of structures, patterns, and colors in skin lesions that are not evident to the naked eye. Nonpolarized dermoscopy (NPD) and polarized dermoscopy (PD) are distinct imaging modalities that provide complementary information. Dermoscopy works threw, modifying the cutaneous air–tissue opti…
Direct integration of proton conductor films on Pt-coated substrates opens the way to film-based proton transport devices. Columnar SrZr0.95Y0.05O3−δ (SZY) films with dense microstructure were deposited on Pt-coated MgO(100) substrates at 830 °C by pulsed laser deposition. The optimal window of ambient O2 pressure for…
Res_eng:This chapter discusses the synthesis and functionalization of polymeric matrices with smart or stimuli-sensitive polymers by gamma-rays. These smart components were reviewed from their preparation, properties and potential applications. The performance of these materials as drug delivery systems provide specif…
As the growth temperature, annealing temperature, and annealing time of InN sensing film of InN/InNO/In2O3/In/SiO2/Si humidity sensor were, respectively, adjusted at 400 °C, 400 °C, and 15 min, the sensing surface possesses obvious particles of nanometer scale. The particle size of InN sensing film was estimated about…
Abstract The electronic properties of polythiophenes substituted with various electron‐withdrawing and electron‐donating groups are investigated by employing periodic density functional calculations. The polymer is modeled as infinite one‐dimensional system with periodic boundary condition along the molecular directio…
Tin-iron-carbon nanocomposite is successfully prepared by a sol-gel method followed by a chemical vapor deposition (CVD) process with acetylene gas as the carbon source. The structural properties, morphology, and electrochemical performances of the nanocomposite are comprehensively studied in comparison with those pro…
A new rare-earth-free NaZnPO4:Mn(2+) (NZP:Mn) phosphor powder has been developed by our group and investigated meticulously for the first time using secondary ion mass spectroscopy and chemical imaging techniques. The studies confirmed the effective incorporation of Mn(2+) into the host lattice, resulting in an enhanc…
Fe3O4nanoribbons with the average size of ~17.2 nm × 64.3 × 939.1 nm have been synthesized by a hydrothermal method. The crystal structures have been investigated by means of the X-ray diffraction pattern refinement. The frequency dependence of permittivity and permeability for a composite containing the nanoribbons h…
Dextran stabilized iron oxide nanoparticles (DIONPs) synthesized and characterized for hyperthermia application were tested for toxicokinetics and biodistribution in order to analyze the prospect of safety and biocompatibility of these particles for advanced use. Rats were administered a single dose of DIONPs at a con…
Abstract With a view to enhancing the efficiency of ZnO/CdS core‐shell nanorod array‐based semiconductor sensitized solar cells (SSSCs), ZnS surface treatment is envisioned. It is achieved through a thin layer of ZnS being deposited onto ZnO/CdS film by a successive ionic layer adsorption and reaction (SILAR) techniqu…
By integrating ZnO and MgZnO films onto a quartz substrate (both films with the same growth time), the ultraviolet photodetectors (Au/ZnO/MgZnO/SiO2 and Au/MgZnO/ZnO/SiO2 structured photodetectors) have been fabricated. The responsivity peaks blue-shift from 380 to 370 nm (380 to 375 nm) by increasing the bias voltage…
In this work, polyacrylonitrile (PAN)-based carbon fibers coated with different thicknesses of Ni-P coatings were studied. The coatings were deposited by electroless metallization lasting from 3 to 22 min and consisted of approximately 3 wt.% phosphorous. Computer quantitative image analysis was used to characterize t…
In this paper, the results of theoretical and experimental studies of 1-D metallic gratings for mesh polarizers used in radar and communication engineering are presented. To calculate the transmission characteristics of gratings with rectangular lamels, fabricated by the technology of double-side jet etching, a 2-D fi…
Four donor–acceptor (D-A) copolymers of 2,3-difunctionalized thieno[3,4-b]pyrazine (TP) and 9,9-dioctylfluorene were prepared in order to illustrate the ability to tune the electronic and optical properties of TP-based D-A polymers by the choice of side chains on the TP unit. In addition, analogous polymers were prepa…
Electronic and optical properties of graphene depend strongly on many-body interactions. Employing the highly accurate many-body perturbation approach based on Green's functions, we find a large renormalization over independent particle methods of the fundamental band gaps of semiconducting graphene structures with pe…
A new synthesis strategy to prepare hierarchical macroporous-mesoporous materials employing poly(ethylene oxide)-poly(phenylene oxide)-poly(ethylene oxide) (PEO-PPO-PEO) as a single template and an acid adjusting agent was reported. There is a hierarchical structure including macropores with a size of 50-100 nm and me…