Materials Literature
按标题、摘要、年份、主题和来源检索公开元数据。结果保留作者、摘要、分类与原始来源链接。
The risks associated with exposure to engineered nanomaterials (ENM) will be determined in part by the processes that control their environmental fate and transformation. These processes act not only on ENM that might be released directly into the environment, but more importantly also on ENM in consumer products and…
A simple and scalable method has been developed to fabricate nanostructured MnO2-carbon nanotube (CNT)-sponge hybrid electrodes. A novel supercapacitor, henceforth referred to as "sponge supercapacitor", has been fabricated using these hybrid electrodes with remarkable performance. A specific capacitance of 1,230 F/g…
A two-dimensional crystal of molybdenum disulfide (MoS2) monolayer is a photoluminescent direct gap semiconductor in striking contrast to its bulk counterpart. Exfoliation of bulk MoS2 via Li intercalation is an attractive route to large-scale synthesis of monolayer crystals. However, this method results in loss of pr…
Pyrolized Si/C composite fibers and films were studied in the processes of lithium intercalation-extraction during the operation of rechargeable lithium-ion batteries and supercapacitors. It was found that their electrochemical characteristics differ from those of pure silicon and pure carbon. Analysis of these parame…
Reactive direct current magnetron sputtering and in situ thermal oxidation were used to prepare vanadium oxide (VO X ) thin films with different oxygen contents. X-ray diffraction, Fourier transform infrared spectroscopy and a field emission scanning electron microscope were employed to characterize the films. The opt…
A series of catalysts La 0.95 Ce 0.05 CoO 3 , La 0.95 Ce 0.05 Co 0.95 Pt 0.05 O 3 and Pt/La 0.95 Ce 0.05 CoO 3 were prepared by combustion method and impregnation method, respectively. The purpose of the present work was to study the effect of platinum, with the same loading, on the platinum-substituted perovskite and…
We present an investigation into the influence of nanocrystal size on the reactivity of silicon nanocrystals (Si-NCs) in near-UV photochemical hydrosilylation. The size-dependent reactivity of Si-NCs with photoluminescence (PL) in the visible and near-infrared regions was evaluated using PL and Fourier-transform infra…
Although internal features of a crystal play key roles in crystal growth, the relationship between crystal structure and crystal shape is still an unresolved problem. In this paper, we constructed a correlation between crystallographic structure, morphological evolution, and resultant final shape of noble metal nanocr…
Interactions of acetone with the silicon surfaces terminated with hydrogen, hydroxyl, and perfluorocarbon are investigated; results are compared to those on amorphous solid water (ASW) to gain insights into the roles of hydrogen bonds in surface diffusion and hydration of acetone adspecies. The surface mobility of ace…
Abstract Linear sweep voltammetry, electrochemical impedance spectroscopy, scanning electron microscopy, and x-ray diffraction techniques were used to characterize the corrosion process of API X52 steel in a solution simulating clay soil. Likewise, the formation of the corrosion products that modify their chemical com…
In this study, magnetite (Fe 3 O 4 ) nanoparticles were synthesized at room temperature using FeCl 3 .6H 2 O (1.28 M), FeCl 2 .4H 2 O (0.64 M) and HCl (0.4 M) for preparing a solution as the iron source and NaOH (0.9-1.5 M) for to prepare a solution as the alkali source by the aqueous phase co-precipitation method und…
Abstract Austenitic stainless steels are susceptible to microbiologically influenced corrosion (MIC), and biofilms of slime-forming bacteria can affect the integrity of the passive film of the stainless steel components. An attempt was made to detect and analyze the MIC on UNS S31653 using electrochemical noise (EN) t…
A novel supramolecular plaster, (AEDPH(3))·(BtaH) (1), is synthesised and characterized. The supramolecular plaster is easy to synthesise and process, and displays good mechanical properties. It can adsorb and eliminate formaldehyde (HCHO) with high efficiency and exhibits very interesting HCHO/ultraviolet ray-induced…
Abstract To probe the effect of valence electron concentration ( vec or e – /atom) on γ‐Pd 2+ x Zn 11– x phases a series of compoundsPd 2– x Au x Zn 11 ( x = 0.3–0.8; e – /atom = 1.70–1.75) was synthesized and structurally characterized. The gold‐substituted γ‐brass type phase was observed for x ≤ 0.3, having a refine…
The use of metallic nanoparticles in the field of orthopaedics as antimicrobial components of coatings is receiving particular attention. An innovative approach has been developed whereby various metal/metal oxide nanoparticles are used to prevent infection occurring on the surface of prostheses. In this study nano me…
The performance of a catalytic reactor is bounded by the kinetic regime at low temperature (or before light-off) and the mass-transfer-controlled regime at high temperature. Pore diffusion may also be significant at intermediate temperature. We utilize the recently developed criteria (Joshi, S. Y.; Harold, M. P.; Bala…
In this work, we have experimentally demonstrated that in a rectangular multilayered Ag/SiO₂ nanoplate array, electric and magnetic resonances are exchanged at the same frequency simply by changing the polarization of incident light for 90°. Both electric and magnetic resonances originate from localized surface plasmo…
Bone Tissue Engineering (BTE) composed of three main parts: scaffold, cells and signaling factors. Several materials and composites are suggested as a scaffold for BTE. Biocompatibility is one of the most important property of a BTE scaffold. In this work synthesis of a novel nanocomposite including layered double hyd…
Chemical reactions of hydrogen storage materials often involve mass transport through a bulk solid. Diffusion in crystalline solids proceeds by means of lattice defects. Using density functional theory (DFT) calculations, we identify the stability and the mobility of the most prominent lattice defects in the hydrogen…
The reaction of [NO][PF(6)] with excess Ni powder in CH(3)NO(2), in the presence of 2 mol % NiI(2), results in the formation of [Ni(NO)(CH(3)NO(2))(3)][PF(6)] (1), which can be isolated in modest yield as a blue crystalline solid. Also formed in the reaction is [Ni(CH(3)NO(2))(6)][PF(6)](2) (2), which can be isolated…