نتایج جستجو برای: co doped zno

تعداد نتایج: 393482  

2009
Diana Iuşan Mukul Kabir Oscar Grånäs Olle Eriksson Biplab Sanyal

Citation Iusan, Diana et al. " Microscopic picture of Co clustering in ZnO. Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. The MIT Faculty has made this article openly available. Please share how this access benefits you. Your story matters. Density functional theory was applied t...

Pure and ZnO-doped Ni0.1Co0.9Fe2O4 catalyst were prepared by co-precipitation method and thermal decomposition in air calcinated at 400-700°C and that treated with different amounts of zinc nitrate (0.46-2.25 w% ZnO). X-ray powder diffractometry, scanning electron microscopy (SEM) and BET analysis of nitrogen adsorption isotherms investigated the crystalline bulk structure and the surface area ...

2009
Yan-Yan Liu Hu-Jie Jin Geun C. Hoang

N-doped ZnO thin films were deposited on n-type Si(100) and homo-buffer layer, and undoped ZnO thin film was also deposited on homo-buffer layer by RF magnetron sputtering method. After deposition, all films were in-situ annealed at 800 C for 5 minutes in ambient of O2 with pressure of 10 Torr. X-ray diffraction shows that the homobuffer layer is beneficial to the crystalline of N-doped ZnO thi...

Journal: :Chemsuschem 2021

The Cover Feature shows transition metal-doped surface and subsurface ZnO for oxygen evolution reaction under alkaline conditions. Co Ni are promising dopants increasing the activity of ZnO. Images Shutterstock, edited by DIFFER. More information can be found in Full Paper Q. Liang et al.

Journal: :Crystals 2023

The Impact of Co and Gd on the structural, magnetic dielectric properties ZnO nanotubes synthesized by co-precipitation is reported. results demonstrate that incorporating into diminished crystallinity while retaining optimum orientation. outcomes transmission electron microscopy scanning examined dopants had no effect morphology produced nanotubes. It was also discovered as frequency concentra...

2014
P. Carvalho P. Sampaio J. O. Carneiro J. P. Espinós V. Teixeira

In this research work, the production of undoped and silver (Ag) doped zinc oxide (ZnO) thin films for food packaging applications was developed. The main goal was to determine the influence of coatings morphology and thickness on the antimicrobial performance of the produced samples. The ZnO based thin films were deposited on PET (Polyethylene terephthalate) by means of DC reactive magnetron s...

2016
S. Sadjadi Hassan Ali Nedaie

Background: New treatment modali es are developed with the aim of escala ng tumor absorbed dose and simultaneously sparing the normal structures. The use of nanotechnology in cancer treatment offers some possibili es including destroying cancer tumors with minimal damage to healthy ssues. Zinc Oxide nanopar cles (ZnO NPs) are wide band gap semiconductors and seem to have a good effect on increa...

Journal: :Physical review letters 2007
H Pan J B Yi L Shen R Q Wu J H Yang J Y Lin Y P Feng J Ding L H Van J H Yin

We report ferromagnetism in carbon-doped ZnO. Our first-principles calculations based on density functional theory predicted a magnetic moment of 2.02 mu(B) per carbon when carbon substitutes oxygen in ZnO, and an ferromagnetic coupling among magnetic moments of the carbon dopants. The theoretical prediction was confirmed experimentally. C-doped ZnO films deposited by pulsed-laser deposition sh...

Journal: :Sustainability 2022

The present paper reports facile synthesis by simple chemical precipitation method for Zinc Oxide (ZnO) nanoparticles with cerium (Ce) and nickel (Ni) co-doped ZnO nanocrystals. different optimum conditions are analyzed in dual metallic (Ce/Ni) doped nanoparticles. Successful incorporation of is predicted X-ray diffraction (XRD) photoelectron spectroscopy (XPS). Additionally, optical effects we...

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