مرور Volume 1, Issue 4 بر اساس تاریخ انتشار
در حال نمایش موارد 1 - 5 از 5
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A Simple Method for Synthesis of γ-Aluminum Oxide Nanostructure Using PEG as a Neutral Surfactant
(Islamic Azad University - Varamin Branch, 2012-01-01)Nano-sized γ-Al2O3 was synthesized successfully by a simple method using Al2(SO4)3·18H2O as aluminium source and in the presence of polyethylene glycol (PEG 2000). FTIR spectroscopy, X-ray diffraction (XRD), scanning ...
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Lu3+/Yb3+ and Lu3+/Er3+ Co-doped Antimony Selenide Nanomaterials: Synthesis, Characterization, Electrical, Thermoelectrical and Optical Properties
(Islamic Azad University - Varamin Branch, 2012-01-01)Lu3+/Yb3+ and Lu3+/Er3+ Co-doped Sb2Se3 nanomaterials were synthesized by a Co-reduction method in hydrothermal condition. Powder XRD patterns indicate that the LnxLn′xSb2-2xSe3 Ln: Lu3+/Yb3+ and Lu3+/Er3+ crystals (x= ...
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The Effect of Polyvinylpyrrolidone on the Formation of Copper Nanoplates in Wet-Chemical Reduction Method
(Islamic Azad University - Varamin Branch, 2012-01-01)In this work, we report synthesis and characterization of copper nanoparticles in polymer matrix by wet-chemical reduction method using ascorbic acid as reducing agent, copper (II) sulfate as metal precursor and ...
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Sorption Study of Acid Blue in Aqueous Solution by Synthetic Poly Urea-Formaldehyde
(Islamic Azad University - Varamin Branch, 2012-01-01)Poly urea-formaldehyde was synthesized simply and rapidly from urea and formaldehyde by condensation polymerization and studied for the sorption of trace acid blue from aqueous solution. The optimum pH value for sorption ...
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Nano-structural Characterization of Post-annealed ZnO Thin Films by X-ray Diffraction and Field Emission Scanning Electron Microscopy
(Islamic Azad University - Varamin Branch, 2012-01-01)ZnO thin films were deposited on Si(400) substrates by e-beam evaporation technique, and then post-annealed at different annealing temperatures (200-800°C). Dependence of the crystallographic structure, nano-strain, chemical ...
