نتایج جستجو برای: zno nanoparticle
تعداد نتایج: 49900 فیلتر نتایج به سال:
CeO2/ZnO Ceramic Nanocomposites, Synthesized via Microwave Method and Used for Decolorization of Dye
CeO2/ZnO nanocomposites were synthesized by microwave method that is the fast process. One of an eco-friendly solvent, ethylene glycol were used the effect of time and power of irradiation were investigated on morphology and size of nanoparticle. Prepared CeO2/ZnO nanocomposites are characterized with X-ray diffraction (XRD) analysis, Transmission Electron Microscopy (TEM), Fourier Transform In...
mn doped zno nanocomposite thin film coated on glass by a simple spin-coating method was used to degrade an azo textile dye from aqueous environment. mn doped zno nanocomposite thin film was characterized by means of x-ray diffraction (xrd) and scanning electron microscopy (sem). the photo-reduction activity of photocatalyst was evaluated using an azo textile dye as organic contaminant irradiat...
A polyaniline/In2O3 nanofiber composite based layered surface acoustic wave (SAW) sensor has been developed and investigated towards different gases. Chemical oxidative polymerization of aniline in the presence of finely divided In2O3 was employed to synthesize a polyaniline nanofiber/In2O3 nanoparticle composite. The nanocomposite was deposited onto a layered ZnO/64° YX LiNbO3 SAW transducer. ...
Presently, nanotechnology is a multi-trillion dollar business sector that covers a wide range of industries, such as medicine, electronics and chemistry. In the current era, the commercial transition of nanotechnology from research level to industrial level is stimulating the world's total economic growth. However, commercialization of nanoparticles might offer possible risks once they are libe...
introduction: any decrease in friction between orthodontic wire and bracket can accelerate tooth movement in the sliding technique and result in better control of anchorage. the present study was carried out to decrease this friction by coating of zinc oxide nanoparticles (zno) on orthodontic wires and porcelain brackets. materials and methods: in this in vitro study, a combination of 120 0.019...
zinc oxide nanoparticles have been synthesized by chemical reaction method. polyvinyl alcohol (pva) composite film filled with nanometric, monodispersed zinc oxide nano particles prepared by pva solution and nanozinc oxide. polymer blend with zno nanoparticle composite film has prepared by casting technique. the property of nano composites depends greatly on the chemistry of polymer matrices....
This work includes the exploitation of laboratory-assembled SPR technique for application gas sensors at room temperature. The refractive index change interface ZnO/polypyrrole with adsorption gases (NH3) is basis sensor. theoretical simulations were done to find out optimum thickness ZnO and polypyrrole composite films sharp reflectance values. Theoretical curves obtained by changing value gol...
A novel method for oxazine derivatives formation is established using the reaction of ammonium thiocyanate and acid chlorides with 1-naphthol in the presence of Nanoparticle of ZnO to afford [1,3]oxazine-4-thione derivatives under solvent-free conditions at room temperature in excellent yields.
Background and purpose: Dyes from textile industry are amongst the major pollutants of the environment that are harmful for both human health and the environment. Azo dyes constitute the largest and the most important class of commercial dyes, accounting for 50% of all commercial dyes. This study investigated the efficacy of Cr-doped ZnO nanoparticles in removal of reactive black 5 (RB5) dye fr...
MicrosoftInternetExplorer4 Background and Objectives: Along with the rapid development of human life, controlling harmful effects of microorganisms would be unavoidable. The objective of this study was to evaluate antibacterial efficacy of zinc oxide nanoparticles on different microbial strains.Material and Methods: This experimental study was done using gram negative and gram positive ...
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