نتایج جستجو برای: nano zno

تعداد نتایج: 69060  

Journal: :physical chemistry and electrochemistry 0

nano-zno was employed for the adsorption of 4c2np from aqueous solutions in batch equilibriumexperiments to investigate its adsorption properties. the quantity of 4c2np adsorbed onto nano- znosurface was measured by uv-vis spectrophotometer. the effects of contact time, adsorbent dose, ph, andinitial concentration of 4c2np were investigated. the adsorption found to be strongly influenced by all...

2017
G. Parthasarathy

Nano-sized ZnO particles of specific morphology were synthesized using the plant leaf extracts of Aloe vera. In modern science Nanotechnology is an ablaze field for the researchers. Nanoparticles having a size of 1-100 nm in one dimension are used significantly concerning medical chemistry, atomic physics and all other known fields. Nanoparticles are used immensely due to its small size, orient...

H. Haratizadeh M. Najafi

Europium (Eu) doped ZnO microsphere based nano-sheets were synthesized through hydrothermal method. Effects of different concentrations of Europium on structural and optical properties of ZnO nano-sheets were investigated in detail. Prepared un-doped and Eu-doped ZnO samples were characterized using X-Ray diffraction (XRD), energy dispersive X-ray spectroscopy (EDX), scanning electron micro...

Journal: Nanochemistry Research 2018

ZnO nanorods have been prepared through chemical deposition of Zn(OAc)2.2H2O by employing different capping agents, (PEG, MW=2000 and PEG, MW=5000). The fabricated catalyst was characterized by scanning electron microscope (SEM) images and XRD pattern. The results show the one dimensional growth of ZnO nano-rods. The results show that capping agents can control the shape and growth of nano-size...

2016
Željka Petrović Mira Ristić Svetozar Musić Martin Fabián

The development of the nano/microstructure of ZnO particles precipitated from zinc acetylacetonate showed dependence on the presence of gum arabic. In the absence of gum arabic in near-neutral pH range ZnO rods, some of them hollow, precipitated, whereas in alkaline (NH4OH) medium the multipods (stars) were obtained. A strong effect of gum arabic was noticed both in the near-neutral pH range an...

Here, in situ synthesis of nano zinc oxide, along with aminolysis of polyester fabric, has simultaneously been carried out by using triethanol amine (TEA) and zinc acetate. The ZnO nano particles (NPs) were formed and stabilized on the fabric surface by amine compound at 130 °C for 1 h. The synthesis of nano ZnO particles on the polyester fabric were confirmed by X-ray diffraction (XRD) pattern...

2017

Background: Multi-drug resistance among the pathogenic bacteria poses a serious threat to public health. Nanoparticles are one of the most effective therapeutic agents. Zinc oxide nanoparticles (ZnO NPs) are well known antimicrobial agents and are regarded as nontoxic and bio-safe. The present study aims to investigate the antimicrobial effect of ZnO NPs against the bacterial strains i.e. Klebs...

Journal: :iranian journal of catalysis 2014
abbas teimouri alireza najafi chermahini leila ghorbanian

an efficient and green protocol for the synthesis of pyrazoles derivatives by one-pot reaction of different 1,3-dicarbonyl compounds with hydrazines/hydrazides has been developed using nano-sulfated zirconia, nano-structured zno, nano-g-alumina and nano-zsm-5 zeolites, as the catalyst. the optical properties of the nano-structured catalysts and organic molecules were studied. the advantages of ...

M. S. Bakhsh, R. Faezi Alivand, S. R. Allahkaram,

Abstract:Electroless Nickel-phosphorus (EN) coatings provide high performance in various industrial fields due to their unique properties such as excellent corrosion and wear resistance. This paper aims to study the effect of ZnO nano-particles addition on corrosion behavior of EN coatings. Various amounts of ZnO nano-particles with average diameter of 50 nm were added to hypophosphite reduced ...

2018
Melika Mohammadian Sara Hooshmand

Extremely small nanomaterials with dimensions roughly less than 100 nanometers (nm), can demonstrate atom-like behaviors resulting from higher surface energy because of their large surface area and broad band gap between valence and conduction band when nanomaterials are divided into near atomic size.1 ZnO nanopowders are basic metal oxide particles with interesting properties and wide applicat...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید