نتایج جستجو برای: cu nanocomposite
تعداد نتایج: 74849 فیلتر نتایج به سال:
Copper-containing single-source precursors for preparation of SiCuCN-based ceramic nanocomposites were successfully synthesized the first time using polysilazane, copper acetate monohydrate and 2-aminoethanol via nucleophilic substitution reaction at Si centers polysilazane. The synthesis process, polymer-to-ceramic transformation high-temperature microstructural evolution prepared ceramics cha...
In this paper, the synthesis of copper matrix nanocomposite and effect adding TiB2 nanoparticles on was investigated. Three different amounts 5, 10, 15 wt% were added sintering carried out at 900 oC for 4 hours under argon atmosphere. The phase formation achieved nanocomposites studied by X-ray diffractometer morphology synthesized samples field emission scanning electron microscopy atomic forc...
ABSTRACT: The use of new compounds to increase the shelf life of more perishable foods based on nanoparticles and biodegradable polymers have been developed in packaging. Chitosan (Cts) is a natural biopolymer with excellent biodegradability and nontoxicity and antibacterial effect. In this research antibacterial copper nanoparticles (CuNPs) were incorporated in the biodegradable chitosan matri...
Dispersion of 2D carbon nitride (C3N4) nanosheets into a nickel phosphorous (NiP) matrix was successfully achieved by ultrasonication during the electroless plating of NiP from an acidic bath. The morphology and thickness, elemental analysis, phases, roughness, and wettability for as-plated and heat-treated nanocomposite were determined by scanning electron microscopy, energy-dispersive X-ray s...
In this paper, Ni–TiO2 nanocomposite coatings with different sizes of TiO2 nanoparticles were successfully prepared by electrodeposition process from a nickel electrolyte in which the TiO2 nanoparticles were suspended. The influence of relevant deposition parameters on the nanocomposite coating characteristics was discussed. X-ray diffractometer has been applied in order to investigate the phas...
Folic acid (FA) is used as target drug delivery for cancer cells by adding to copper/chitosan nanocomposite (Cu/CNC) form FA-Cu-CS complex. Chitosan a promising polymeric that has received lot of attention recently. nanoparticles have wide applications nanocarrier different organic and inorganic substances. In the present study, chitosan (CNP), Cu/CNC, had been prepared characterized. Structura...
We have synthesized core-shell structured 3-methacryloxypropyltrimethoxysilane (MPS) functionalized antimony-doped tin oxide nanoparticles (MANs)-poly(methyl methacrylate-co-butyl acrylate) (PMMA-co-BA, PMB) nanocomposite latex particles via miniemulsion polymerization method. Polymerizable anionic surfactant DNS-86 (allyloxy polyoxyethylene(10) nonyl ammonium sulfate) was first introduced to s...
We incorporated anti-Parkinsonian drug, levodopa (dopa), in Zn/Al-LDH by coprecipitation method to form dopa-LDH nanocomposite. Further coating of Tween-80 on the external surfaces of dopa-LDH nanocomposite was achieved through the oxygen of C=O group of Tween-80 with the layer of dopa-LDH nanocomposite. The final product is called Tween-dopa-LDH nanocomposite. The X-ray diffraction indicates t...
Herein, a novel Cu-MoO3/g-C3N4 hybrid nanocomposite was successfully synthesized by a two-step strategy of one-pot pyrolysis followed by the impregnation method. The structure, phase, morphology and electronic environment of MoO3, g-C3N4 and Cu in the composite were determined by various characterization methods. The oxygen vacancies of MoO3 were ascertained by UV-DRS, Raman, and XPS analysis. ...
In this study, a novel hydroxyapatite (HAp)‐based composite, Co‐Cu/ZIF@HAp, was constructed through in situ growth and simultaneous sonication followed by magnetic string. Herein, the HAp‐based nanocomposite obtained which HAp coated with cobalt–copper bimetallic zeolitic imidazolate framework (ZIF) one‐pot synthesis method. The as‐synthesized composite characterized PXRD, FTIR, FE‐SEM, EDS, HR...
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