Materials Literature
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Electrodeposition of Nanostructured ZnO Thin Films from Dimethylsulfoxide Solution: Effect of Temperatures on the Morphological and Optical Properties, Tello, A., Gómez, H., Muñoz, E., Riveros, G., Pereyra, C. J., Dalchiele, E. A., Marotti, R. E.
A novel intercluster compound, [{{Au(PPh(3))}(4)(μ(4)-O)}{{Au(PPh(3))}(3)(μ(3)-O)}][α-PW(12)O(40)]·EtOH (1) constructed between a heptakis{triphenylphosphinegold(i)}dioxonium cation and an α-Keggin polyoxometalate (POM) is synthesized and unequivocally characterized by elemental analysis, TG/DTA, FTIR, X-ray crystallo…
Nucleation mechanisms of poly(ethylene terephthalate) (PET), poly(butylene terephthalate) (PBT), and poly(ethylene naphthalate) (PEN) on single‐wall carbon nanotubes (SWNTs) are proposed, based on experimental evidence, theoretical epitaxy analysis, and semiempirical quantum chemical calculations. In order to elucidat…
In this work, The Electrical behaviour of ZnO based varistor is improved. On using the classical proceeding for fabricating the ceramic for Electronic, we have prepared different samples with different oxide additives such as (Bi2O3, Nb2O5, MnO2, Co3O4, Cr2O3, NiO, Ce2O3, and La2O3).We have got several lots, each of o…
The sintering is a complex thermally activated process, thus any prediction of sintering behaviour is very welcome not only for industrial purposes. Presented paper shows the possibility of densification prediction based on concept of Master Sintering Surface (MSS) for pressure assisted Spark Plasma Sintering (SPS). U…
Magnesium metal and its alloys are known to have excellent physical and mechanical properties suitable for a number of industrial and technological applications. Yet due to their highly reactive nature, magnesium alloys have continued to see little industrial use. This paper demonstrates an extension of the recently i…
The effect of the vacuum annealing of p -CuI crystals on their resistivity, transmittance, temperature-dependent conductivity, and photoconductivity in the visible and ultraviolet spectral regions is studied. It is shown that the conductivity and transmittance of CuI increase at low annealing temperatures and decrease…
Size-exclusion chromatography (SEC) associated with High Performance Liquid Chromatography (HPLC) is a powerful tool to separate, purify and fractionalize materials based on size. In this paper, we present a SEC method that was developed for the separation of thiol-capped Cd(Se,S) quantum dots (QDs) synthesized in the…
CdSe/CdS dot/rods nanocrystals show interesting physical properties related to the band-alignment at the hetero-interface, which controls the band-edge electron delocalization over the rods. Here the differential transmission spectra of CdSe/CdS nanorod samples with different core sizes have been measured using excita…
Single-crystalline CeO2 nanorods of the size of about 30 nm diameter and 300 nm length were synthesised by using a strong base–weak acid salt as the precipitant, by a simple hydrothermal method without any surfactant. The structure and properties of the CeO2 nanorods were characterised by X-ray diffraction, X-ray phot…
Self-organization of anodic oxide to TiO 2 nanotubes has attracted in the past few years wide interest. Recent theoretical modeling predicted that self-organization occurs when the efficiency of oxide growth lies in the certain range specific to the anodized material. The present paper analyzes the experimental range…
The paper gives an analytical transition from the Maxwell Garnett model of a biphasic mixture (dielectric host and dielectric or conducting inclusions) to the parameters of a singleor double-term Debye representation of the material frequency response. The paper is focused on modeling biphasic mixtures containing cyli…
We describe a simple one-pot water-based scheme to produce gold nanoparticle groupings with short interparticle spacings. This approach combines a cross-linking molecule and a hydrophilic passivation layer to control the level of induced aggregation. Suspensions of dimers and trimers are readily obtained using a singl…
Polyaniline (PANI) is one of the most promising conductive polymers for its cheap and abundant, ease of synthesis, high conductivity and good environmental stability. However the disadvantages, such as insolubility, difficulties in processing and poor mechanical property hinder its application. Carbon nanotube (CNT) w…
3,4‐ethylenedioxythiophene (EDOT) was electropolymerized in the presence of sodium lignosulfonate (LS) at constant current density of 0.25 mA cm −2 . As a result, a thin composite film consisting of poly(3,4‐Ethylenedioxythiophene) and LS (PEDOT/LS) was deposited on the electrode surface. Unlike PEDOT, PEDOT/LS shows…
We developed Si quantum-dot (QD) sensitized solar cells using nitridated Si nanoparticle films. The Si/N content ratio of the Si nanoparticle films was combinatorially controlled in double multi-hollow discharge plasma chemical vapor deposition (CVD) process in a SiH 4 /H 2 and N 2 gas mixture. The short-circuit curre…
Polyvinyl alcohol (PVA) films modified with Ag nanoparticles and orientated by single‐axial tension do not possess dichroism at light passing as well as the film that is cross‐linked under the action of bichromates and UV light. These films are double‐ray refracting and behave themselves as phase plates that transform…
Properties of silver at elevated temperatures limit its use as a porous electrode or current collector in solid oxide fuel cell (SOFC) configurations. Its relatively low melting temperature (962°C) leads to accelerated densification of silver at operating temperatures of intermediate temperature SOFCs (550°C–800°C). I…
The shear-induced microstructure in dilute colloid–polymer mixtures, where the presence of polymer induces a tuneable attractive interaction between the colloids, is investigated using quantitative confocal microscopy, over a wide parameter space including the shear rate, the polymer concentration, and two different p…
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