نتایج جستجو برای: zinc cadmium oxide zno cdo

تعداد نتایج: 270966  

Journal: :international journal of nano dimension 0
azar bagheri department of chemistry, center tehran branch, islamic azad university, tehran, iran leila hoseini department of chemistry, center tehran branch, islamic azad university, tehran, iran

template synthesis is a powerful method for the preparation of nanoscale materials with specific size and shape. cadmium oxide (cdo) nanoparticles were synthesized by using sodium dodecyl sulfate (sds), cd(oac)2.2h2o and sodium hydroxide as starting materials. the sample was characterized by x-ray diffraction (xrd), scanning electron microscopy (sem). the xrd pattern proves that the final produ...

2018
G. THANGARAJ D. M. SURESH N. JOSEPH JOHN

Cadmium oxide has found its applications in various areas of research such as solar cells, phototransistors, photodiodes, transparent electrodes and gas sensors. In the present work CdO nano particles were successfully synthesized from cadmium acetate through thermal decomposition at high temperatures by adopting the solid state reaction. The prepared nano particles are subjected to ball millin...

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                                                                                  The synthesis of metal nanoparticles has attracted the attention of scientists in various fields, particularly in the chemical, physical, biological and medical sciences. Using extract of plant for nanoparticle synthesis can be advantageous over other biological processes because it eliminates the elaborate proc...

Optical modeling was applied for obtaining absorbance spectra and band gap values for different morphology of ZnO semiconductor. In optical modeling, the relative permittivity scalars of zinc oxide coral like nanorods were calculated using the Bruggeman homogenization formalism. ZnO nano rods (ZONRs) as a nucleus layer were fabricated on the Indium Tin Oxide (ITO) by chronoamperometry (CA) in a...

Journal: :journal of nanostructures 2012
a. tadjarodi h. kerdari m. imani

cadmium oxide rhombus-shaped nanostructure was synthesized using hydrothermal process followed by heating treatment. clearly, x-ray diffraction pattern demonstrated the formation of cdo crystalline phase. scanning electron microscopy (sem) showed that the obtained rhombus-like structure is composed of nanoparticles with the average size of 29 nm. in addition, we evaluated adsorption of organic ...

Journal: :international journal of bio-inorganic hybrid nanomaterials 0

nanostructured zinc oxide (zno) materials have received considerable interest from scientists due to their remarkable performance in electronics, optics and photonics. zno nanoparticles were synthesized by co-precipitation method. zno nanoparticles were synthesized using zn(no3)3 and k2co3 precursors. the structure of the obtained product was confirmed by the powder x-ray diffraction (xrd) anal...

2015

Zinc oxide (ZnO) is one of the light in ultraviolet (UV) region. In addition, ZnO nano attracting increasing research interest as buildin optoelectronic applications. We have succeede vertically-aligned ZnO nanostructures by laser inter which is catalyst-free and non-contact techniq vertically-aligned ZnO nanowall arrays were two-beam interference. The maximum height and a the ZnO nanowalls wer...

2014
Sidra Sabir Muhammad Arshad Sunbal Khalil Chaudhari

Nanotechnology is the most innovative field of 21st century. Extensive research is going on for commercializing nanoproducts throughout the world. Due to their unique properties, nanoparticles have gained considerable importance compared to bulk counterparts. Among other metal nanoparticles, zinc oxide nanoparticles are very much important due to their utilization in gas sensors, biosensors, co...

Journal: :Journal of the American Chemical Society 2004
Ming Yin Yi Gu Igor L Kuskovsky Tamar Andelman Yimei Zhu G F Neumark Stephen O'Brien

Nanoscale zinc oxide (ZnO) rods of diameters close to the Bohr-exciton radius ( approximately 2 nm) can be prepared from a simple acetate precursor, resulting in ligand-capped rods of ZnO, highly dispersible in nonpolar solvents. Zinc oxide, ZnO, is a wide band-gap semiconductor with applications in blue/ultraviolet (UV) optoelectronic devices and piezoelectric devices. We observe self-assembly...

2010
Rizwan Wahab Young-Soon Kim Amrita Mishra Soon-Il Yun Hyung-Shik Shin

This paper presents the fabrication and characterization of zinc oxide micro-flowers and their antibacterial activity. The micro-flowers of zinc oxide composed of hexagonal nanorods have been prepared via solution process using precursor zinc acetate di-hydrate and sodium hydroxide in 3 h of refluxing time at ~90°C. The antibacterial activities of grown micro-flowers were investigated against f...

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