مرور Volume 9, Issue 2 بر اساس تاریخ انتشار
در حال نمایش موارد 1 - 16 از 16
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Studies on sol-gel dip-coated nanostructured ZnO thin films
(University of Kashan, 2019-04-01)Nanostructured ZnO thin films were prepared by sol-gel dip coating technique. Zinc acetate and ammonium hydroxide were used as precursors and ethanol was as solvent. Ammonium hydroxide (NH4OH) solution was added drop-wise ...
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Kaolin-SO3H nanoparticles: A new efficient and reusable catalyst for synthesis of 2-substituted benzimidazoles at room temperature
(University of Kashan, 2019-04-01)Kaolinite clay found its application in medicine, in toothpaste, in cosmetic and as a food additive. Recently, a specially formulated spray is used in fruit and vegetable production to repel the insects and prevent sunburn. ...
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Synthesis and Nucleation Mechanism Recognition of BaSO4 Nanoparticle in the Presence of Biopolymers
(University of Kashan, 2019-04-01)A major portion of BaSO4 is used as drilling fluid additives in the presence of some biopolymers such as starch and PAC (Polyanionic Cellulose) as filtration control and viscosifier. BaSO4 nanoparticle was synthesized in ...
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Thiol modified Au nanoparticles grafted manganese doped magnetic iron oxide nanoparticles for spectrometric determination of short-term release of mercury and copper from dental amalgam in saliva
(University of Kashan, 2019-04-01)Abstract A new adsorbent, ethylene glycol bisthioglycolate modified gold nanoparticles grafted Mn doped Fe3O4 nanoparticles (EGBTG-Au@Mn-Fe3O4 NPs) were synthesized through chemical precipitation followed by an oxidative ...
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Core–shell titanium dioxide /carbon nanofibers decorated nickel nanoparticles as supports for electrocatalytic oxidation of ethanol
(University of Kashan, 2019-04-01)Abstract Recently alcohol fuel cells has been increased consideration because of their environmental friendliness, high energy conversion efficiency and low emissions. Many effort have been made to improve the electro-oxidation ...
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A green approach to the facile synthesis of colloidal platinum nanoparticles by Preyssler polyoxometalate
(University of Kashan, 2019-04-01)In the present study, platinum nanoparticles were synthesized through an effective, facile and green method using H14[NaP5W30O110], a Preyssler-structured polyoxometalate, under UV light irradiation. Preyssler plays the ...
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Optimization of electrospinning conditions for magnetic poly (acrylonitrile- co- acrylic acid) nanofibers
(University of Kashan, 2019-04-01)Magnetic poly (acrylonitrile-co-acrylic acid) (PAN-co-AA) composite nanofibers with different proportions of magnetic nanoparticles (MNPs) were fabricated using electrospinning technique. Electrospinning conditions like ...
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Electrochemical determination of gallic acid in Camellia sinensis, Viola odorata, Commiphora mukul, and Vitex agnus-castus by MWCNTs-COOH modified CPE
(University of Kashan, 2019-04-01)Gallic acid (GA) is the main phenolic antioxidant which has been subjected of many studies because of its important biological properties including anticancer, anti-inflammatory and antimicrobial activities as well as free ...
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The effect of sputtering RF power on structural, optical and electrical properties of CuO and CuO2 thin films
(University of Kashan, 2019-04-01)In this paper, the RF power change effect on the structural, optical and electrical properties of CuO thin films prepared by RF reactive magnetron sputtering deposited on glass substrates are studied. At first, the thin ...
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Synthesis and characterization of TBA-PV2Mo10@PVA as an efficient and reusable heterogeneous catalyst for oxidative desulfurization of gasoline
(University of Kashan, 2019-04-01)To prepare ultra-clean gasoline fuel, a new nanocomposite TBA-PV2Mo10@PVA was introduced as an efficient and green catalyst for oxidative desulfurization (ODS) process. The nanocomposite was successfully prepared by reaction ...
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Photocatalytic degradation of rhodamine B, and phenol red dyes using NiMn2O4 nanoparticles prepared by a new approach
(University of Kashan, 2019-04-01)NiMn2O4 nanoparticles have been successfully prepared through sol-gel method. The effects of different factors such as the type of solvent, and amino acid temperature were investigated on the size and morphologies of ...
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Experimental study of methylene blue adsorption from aqueous solutions onto Fe3O4/NiO nano mixed oxides prepared by ultrasonic assisted co-precipitation
(University of Kashan, 2019-04-01)According to the increasing development of the mankind, social and technology activities in the earth, various industry is in a state of uncontrolled growth. In the present study, magnetite/nickel oxide mixed metal oxide ...
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Fabricant and characterization of SrWO4 and novel silver-doped SrWO4 using co-precipitation method: their photocatalytic performances for methyl orange degradation
(University of Kashan, 2019-04-01)A simple co-presipitation method has been developed to synthesize SrWO4 and Ag°-SrWO4 micro/nanostructures with different morphologies, including platelet-, star- and flower-like, in the presence of Na(B(C6H5)) as surfactant. ...
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Magnetic investigation of microwave synthesized and thermal stable poly vinyl alcohol-cobalt ferrite nanocomposites
(University of Kashan, 2019-04-01)We synthesized CoFe2O4 nanoparticles using heating in various times by simple microwave method at power about 600W. Water, ethylene glycol and their combination were used as solvent. X-ray diffraction pattern(XRD) analysis ...
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Tantalum/ Nitrogen and n-type WO3 semiconductor/FTO structures as a cathode for the future of nano devices
(University of Kashan, 2019-04-01)In the last decades an important number of research papers published on nano chip electrode and cathode electrochromic materials. Tantalum (Ta) with so high melting point can be as a good candidate for the future of nano ...
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Combine flake like magnesium hydroxide and cubic like aluminum hydroxide nanostructures in order to improve fire retardant of PVC and PMMA
(University of Kashan, 2019-04-01)In this study, Flake-like magnesium hydroxide (Mg(OH)2) and cubic-like aluminum hydroxide (Al(OH)3) nanostructures were synthesized via a simple co-precipitation method at relatively low temperature. Chemical properties ...



