Materials Literature
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Different generations of poly(propylene imine) (G n -PPI) terminated with N-containing 15-membered triolefinic macrocycle (G n M) ( n = 2, 3, 4, 5) were prepared. The bimetallic nanoparticle catalysts G n M-(Pt x /Pd 10− x ) ( x = 0, 3, 5, 7, 10) were prepared by the synchronous ligand-exchange reaction between G n M…
ABSTRACT Microcellular foams are widely applied in various applications in both civil and military applications for barriers and energy absorption materials. Poly(methyl methacrylate) microcellular foams were fabricated via supercritical foaming method. Field emission scanning electron microscopy, differential scannin…
The effect of TiO2 crystal structures (rutile, anatase, and brookite) on low-temperature CO oxidation catalyzed by Au/TiO2 was determined. The catalytic activities of Au/TiO2 with different TiO2 crystal structures are identical when the Au loadings and mean diameters are equal. Additionally, the present work confirmed…
Based on the free-energy density functional method (the Cahn–Hilliard equation), a phenomenological model that describes the influence of grain boundaries on the distribution of components in binary alloys has been developed. The model is built on the assumption of the difference between the interaction parameters of…
There is a growing consumer market for products that proclaim to decrease microorganism counts to prevent infections. Most of these products are loaded with silver in its ionic or nanoparticle form. Through use or during production, these particles can find their way into the soil and cause an impact in microbial and…
The time difference method based ultra-high-frequency (UHF) partial discharge (PD) localization has not been extensively applied in substations due to its excessive localization error. A novel and effective PD localization error correction method, consisting of two multiple radial basis function (RBF) networks, RBFtfo…
Abstract We have optimized the deposition of the highly electrically resistive undoped (intrinsic) polycrystalline ZnO thin layers on fused silica substrates by the DC reactive magnetron sputtering of metallic zinc target in argonne/oxide atmosphere and we introduced the post-deposition hydrogen plasma doping. The thi…
Carbon nanotube (CNT) is a prominent material that has good potential to be used in numerous aerospace applications. This paper presents a review about CNT on its various aspects such as fabrication methods, mechanical properties and applications in aerospace. The evolution of CNT is discussed to its recent applicatio…
In this work, we have synthesized the ZnCo 2 O 4 electrode by a facial one-step hydrothermal method on a carbon cloth for the supercapacitor application. The structural and phase purity of the prepared electrode material was confirmed by X-ray diffraction (XRD) technique. The surface morphology and elemental stoichiom…
Cellulose was dissolved in aq.(LiOH + urea) solution pre-cooled to –12.5°C and the wet films were prepared using ethyl alcohol coagulation bath. The gel cellulose films were dipped in 10 wt.% Cassia alata leaf extract solution and allowed the extract to diffuse into them. The leaf extract infused wet cellulose films w…
films. This UCL enhancement is attributed to the formation of a very strong electric field in the tips of the nw-ZnO creating a highly effective electric field at the composite films, combined with reflection at the silver layer. Furthermore, we use the UCL properties of these novel Ag/nw-ZnO/RE composite films to dem…
With this personal account we show how the Integrative Chemistry, when combining the sol-gel process and concentrated emulsions, allows to trigger inorganic, hybrid or living materials when dedicated toward heterogeneous catalysis applications. In here we focus on 3D-macrocellular monolithic foams bearing hierarchical…
In this work, 2-picolinicacid, 2-hydroxypyridine and 2-aminopyridine were used as rust converters to pre-process a metal surface. The results showed that the rust layers of A3 steel treated by pyridine derivatives are more compact and homogeneous than the untreated rust layer. The corrosion rate of the mild steel trea…
The behavior of polar polymeric dielectrics at high electric fields is controlled by several factors. Among them, dipolar polarization and trapping and de-trapping of space charge are very important, as they are related to the microstructural properties of the material. From the point of insulation diagnostics, it wil…
The protection of the dissolution of Zn in 1/2 M HCl by aqueous Avicennia marina extract (AME) has been examined utilized hydrogen liberation (HL), weight loss (WL), Tafel polarization (TP), electrochemical frequency modulation (EFM) and AC impedance (EIS) tests. The outcome data of studied extract is excellent except…
In this work, kaolin powder and glass fiber fabric were added to PF in order to improve its thermal stability and mechanical property. Micro-structures of carbonized PF with kaolin powder were inspected by scanning electron microscopy (SEM) to demonstrate the filler's pinning effect. SEM results illustrated modified P…
Abstract The interface between two-dimensional semiconductors and metal contacts is an important topic of research of nanoelectronic devices based on two-dimensional semiconducting materials such as molybdenum disulfide (MoS 2 ). We report transport properties of thin MoS 2 flakes in a field-effect transistor geometry…
An antifungal, Ketoconazole, 1-[4-[4-[[(2R,4S)-2-(2,4-dichlorophenil)-2-(imidazol-1- ilmetil)-1,3-dioxolan-4-yl]metoxi]phenil]piperazin-1-yl]ethanol, has been evaluated as corrosion inhibitor for bronze in 3.5% M NaCl + 0.1M Na 2 SO 4 solution with electrochemical techniques, including potentiodynamic polarization cur…
Magnetism arising from edge spins is highly interesting, particularly in 2D atomically thin materials in which the influence of edges becomes more significant. Among such materials, molybdenum disulfide (MoS2; one of the transition metal dichalcogenide (TMD) family) is attracting significant attention. The causes for…
Abstract Tuning the octahedral network represents a promising route for achieving new properties and functionalities in perovskite‐based oxide heterostructures. One of the interface‐mediated phenomena occurring in complex oxides is the Jahn—Teller (JT) effect. With the purpose of investigating octahedral distortions a…