scholarly journals Synthesis and Characterization of Na Doped ZnO Rods Grown by Simple Chemical Method

2020 ◽  
Vol 26 (4) ◽  
pp. 387-391
Author(s):  
Sibel MORKOÇ KARADENİZ ◽  
Hatice Kübra BÖLÜKBAŞI ÇIPLAK ◽  
Ali Ercan EKİNCİ
Keyword(s):  
Optical Properties ◽  
Chemical Method ◽  
Zinc Nitrate ◽  
Zno Films ◽  
Nitrate Hexahydrate ◽  
X Ray ◽  
Structure Morphology ◽  
Simple Chemical ◽  
Doped Zno

In this study, the effects of Na doped on the structure, morphology, and optical properties of the ZnO films deposited on glass substrate were investigated. The films were synthesized on glass substrates via a simple chemical method. Undoped and Na-doped ZnO films were obtained from an aqueous solution of the Zinc nitrate hexahydrate (Zn(NO3)2·6H2O), Sodium Nitrate (NaNO3) and hexamethylenetetramine-HMT (C6H12N4). Characterization of the films was examined using a Scanning electron microscope (SEM) and X-ray diffractometer (XRD), Ultraviolet-Visible spectrophotometer (UV-Vis) and X-Ray Photoelectron (XPS). The structure, morphology, and optical properties of the films were presented. The wurtzite ZnO films showed rod arrays morphology. The optical band gap increased with the doping of Na metal. The result shows that Na addition affected the properties of the ZnO films.

The Effect of the Cu Source on Optical Properties of Cu-Doped ZnO Films

2014 ◽  
Vol 936 ◽  
pp. 618-623
Author(s):  
Lung Chien Chen ◽  
Xiu Yu Zhang ◽  
Kuan Lin Lee
Keyword(s):  
Optical Properties ◽  
Copper Acetate ◽  
Copper Nitrate ◽  
Zno Films ◽  
X Ray Diffraction ◽  
X Ray ◽  
Ultrasonic Spray ◽  
Spray Method ◽  
Potential Applications ◽  
Doped Zno

Cu-doped ZnO (CZO) films have been widely discussed due to its potential applications in semiconductor devices, such as gas sensors or solar cells, but few articles were reported to show the effect on properties of CZO films by using different Cu sources. The article demonstrates that CZO films have been prepared by using different Cu source via a simple ultrasonic spray method, in which copper nitrate and copper acetate were used as copper sources. Optical properties of CZO films prepared by copper nitrate and copper acetate were investigated by transmittance and photoluminescence measurement. The X-ray diffraction analysis and field emission scanning electron microscopy were used to investigate the composition and the morphology of the films. The CZO films prepared by using copper acetate shows better optical properties by comprehensive analysis.

The Structural and Optical Properties of(Cu, Al):ZnO Films

2013 ◽  
Vol 641-642 ◽  
pp. 547-550 ◽  
Author(s):  
Ying Xiang Yang ◽  
Hong Lin Tan ◽  
Cheng Lin Ni ◽  
Chao Xiang
Keyword(s):  
Optical Properties ◽  
Optical Band Gap ◽  
Sol Gel ◽  
Zno Films ◽  
X Ray Diffraction ◽  
Zno Film ◽  
Structural And Optical Properties ◽  
X Ray ◽  
Grain Sizes ◽  
Doped Zno

Un-doped and (Cu, Al)-doped ZnO thin films were prepared by sol-gel spin coating technique on glass substrate. The effect of(Cu, Al)incorporation on the structural, morphological and optical properties of the Zinc oxide (ZnO)film was investigated by means of X-ray diffraction, scanning electron microscopy and UV-vis spectrophotometer. It has been found that the grain sizes, Optical band gap and the preferred orientation growth of (002) plane were decreased with increasing of (Cu, Al) dopants amount in ZnO films.

scholarly journals Biosynthesis and Characterization of ZnO: Ag2O Nanocomposite for Antifungal Efficacy

2021 ◽  
Vol 2114 (1) ◽  
pp. 012081
Author(s):  
Ali Abdullah Fayyadh ◽  
Muneer H. Jaduaa Alzubaidy
Keyword(s):  
Plant Extract ◽  
Synthesis Method ◽  
Spectroscopic Properties ◽  
Zinc Nitrate ◽  
Biological Synthesis ◽  
Nitrate Hexahydrate ◽  
Lawsonia Inermis ◽  
X Ray ◽  
Inhibitory Efficiency

Abstract In this study, biosynthesis zinc and silver oxide nanocomposite (Bs-ZANc) were prepared using an eco-friendly biological synthesis method using silver nitrate, zinc nitrate hexahydrate, and Lawsonia inermis (Henna) plant extract with four different concentrations; (0.1, 0.2, 0.3, and 0.4) molar. The detailed characterization of Bs-ZANc was performed using Grazing X-ray diffraction technique (G-XRD), Field Emission Scanning Electron Microscope (FE-SEM), X-ray energy dispersive spectroscopy (EDX), Zeta Potential (Z.P.), and Dynamic Light Scattering (DLS). In addition to studying the spectroscopic properties using Fourier transform infrared spectroscopy (FTIR). The result showed good inhibitory efficiency of Bs-ZANc against some types of fungal such as; Penicillium spp., Aspergillus spp., and Candida Albicans. Further, a comparison was made between Bs-ZANc and Lawsonia inermis (Henna) plant extract only regarding antfungal efficacy.

XAFS Characterization of Cu-Doped ZnO Films

1993 ◽  
Vol 307 ◽  
Author(s):  
J. C. Mikkelsen ◽  
J. B. Boyce ◽  
F. Bridges
Keyword(s):  
The Other ◽  
Zno Films ◽  
Structural Studies ◽  
X Ray ◽  
Disordered Phase ◽  
Wurtzite Lattice ◽  
Doped Zno ◽  
X Ray Absorption ◽  
Absorption Measurements

ABSTRACTThis paper describes x-ray absorption measurements made on 10 to 16-μm-thick films of ZnO, which contained 5 mol% CuO, and were grown by reactive sputtering. We compare our experimental near-edge and XAFS results to models for Cu-O phases and Cu incorporation into the ZnO lattice, and we conclude that roughly half of the Cu atoms are substitutional for Zn on the wurtzite lattice and the other half is in a highly disordered phase, which has an XAFS signature which is similar to disordered CuO. Our results are compared to other structural studies of Cu-doped ZnO materials.

Preparation and Characterization of Cobalt Doped ZnO and TiO2

2002 ◽  
Vol 722 ◽  
Author(s):  
Shaoguang Yang ◽  
Silas T. Hung ◽  
Herman H.Y. Sung ◽  
A.B. Pakhomov ◽  
C.Y. Wong
Keyword(s):  
Diluted Magnetic Semiconductor ◽  
Magnetic Semiconductor ◽  
Zno Films ◽  
X Ray Diffraction ◽  
Sputtering Deposition ◽  
X Ray ◽  
Doped Zno ◽  
Diluted Magnetic ◽  
Co Doped

AbstractSynthesis and characterization of transparent Co-doped ZnO and TiO2 diluted magnetic semiconductor (DMS) films are described. The films are prepared by single sputtering deposition. They are ferromagnetic at temperatures as high as 350 K. The films were characterized by X-ray diffraction (XRD), X-ray photoemission spectroscopy (XPS), X-ray fluorescence (XRF). Optical transparency was measured on UV/VIS spectrometer. The Codoped ZnO films had wurtzite structure similar to ZnO with the (002) preferential texture. Neither XRD nor XPS showed any presence of pure Co or CoO in the samples. The Co-doped TiO2 samples were amorphous, and some unoxidized Co was found in the films.

Nano-structure, magnetic and optical properties of Co-doped ZnO films prepared by a wet chemical method

2008 ◽  
Vol 41 (21) ◽  
pp. 215308 ◽  
Author(s):  
Aihua Wang ◽  
Binglin Zhang ◽  
Xinchang Wang ◽  
Ning Yao ◽  
Zhifeng Gao ◽  
...  
Keyword(s):  
Optical Properties ◽  
Chemical Method ◽  
Zno Films ◽  
Wet Chemical Method ◽  
Nano Structure ◽  
Wet Chemical ◽  
Doped Zno ◽  
Co Doped

Structure and Optical Properties of ZnO:N Films Doped with Nitrogen Atoms

2014 ◽  
Vol 1058 ◽  
pp. 229-235
Author(s):  
Yue Zhao ◽  
Yan Li Ding ◽  
Xiao Yan Liang ◽  
Jia Hua Min ◽  
Lin Jun Wang ◽  
...  
Keyword(s):  
Optical Properties ◽  
Chemical Process ◽  
Chemical Method ◽  
Zno Thin Films ◽  
Zno Films ◽  
Zno Film ◽  
Wet Chemical Method ◽  
Nitrogen Doped ◽  
Wet Chemical ◽  
Doped Zno

s: In this study, nitrogen-doped ZnO thin films with different nitrogen content were produced by a wet chemical process. The optical properties and the structure of these ZnO films were investigated by LT-PL spectrum, Raman spectrum, SEM and XRD. XRD result showed that the cubic ZnO phase appeared in the 10% nitrogen-doped ZnO films, which might be attributed to the stress in these ZnO film. Moreover, results of SEM measurement proved that the nitrogen atoms were introduced into the lattice of nanoZnO crystal. In addition, LT-PL spectra also confirmed that this new appeared phase was a cubic ZnO phase, due to the lack of the new PL mission peak. Key words: ZnO, wet chemical method, luminescence, XRD

Effect of Precursor Concentration in the Synthesization of ZnO Nanostructures by Solution-Immersion Method

2013 ◽  
Vol 667 ◽  
pp. 501-506 ◽  
Author(s):  
Azlinda Ab Aziz ◽  
Zuraida Khusaimi ◽  
Mohamad Rusop Mahmood
Keyword(s):  
Room Temperature ◽  
Zinc Nitrate ◽  
Precursor Concentration ◽  
Zno Films ◽  
Nitrate Hexahydrate ◽  
Zno Nanostructures ◽  
Large Area ◽  
Immersion Method ◽  
X Ray ◽  
Area Deposition

The effect of precursor concentration ranging from 0.1 to 0.5 M using the mixture of zinc nitrate hexahydrate (Zn(NO3)2.6H2O) and urea (CH4N2O) at 60 oC evaluated in this study. ZnO nanostructures have been prepared by solution immersion method on gold-seeded silicon substrate (Si/Au). Solution immersion method was adopted with the intention to develop a large area deposition at low-temperature benign method of preparation. As concentration increase, the morphologies are seemingly changed from rod (~300 nm) to accumulated nanosheets that consist of many pores. The structural and optical effect of changing the precursor concentration on the synthesization of ZnO films were investigated by X-ray diffractometer (XRD) and room temperature photoluminescence (PL) measurement, respectively. A unique development of size and growth orientation is seemingly affected by the change of the precursor concentration.

Preparation and Characterization of Copper Dendrite Like Structure by Chemical Method

2013 ◽  
Vol 678 ◽  
pp. 27-31 ◽  
Author(s):  
Chinna Kannaiyan Senthil Kumaran ◽  
Santhanam Agilan ◽  
Dhayalan Velauthapillai ◽  
Natarajan Muthukumarasamy ◽  
Mariyappan Thambidurai ◽  
...  
Keyword(s):  
Chemical Method ◽  
Diffraction Method ◽  
X Ray Diffraction ◽  
Sem Images ◽  
X Ray ◽  
Copper Particles ◽  
Transmission Electron ◽  
Simple Chemical ◽  
High Yields

Abstract Copper particles are prepared at room temperature using a simple chemical method. The method used is capable of giving high yields. In this method sodium borohydride is used as a reducing agent and poly vinly pyrrolidone (PVP) as a capping reagent. The prepared copper particles are characterized by X-ray diffraction method and Energy dispersive x-ray analysis (EDX). The scanning electron microscopy (SEM) images show the formation of dendrite like structures. The transmission electron microscope (TEM) studies also conform the formation of dendrite structures.

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