Taher Yousefi
Nuclear Science and Technology Research Institute, Tehran, Iran
[ 1 ] - Enhancing the Photocatalytic Activity of Nano Nd-TiO2@SiO2 by coupled systems
Metal doped TiO2 catalysts were synthesized by sol-gel method and their activities were determined for degradation of methyl orang as a pollutant. Nd-doped TiO2 showed the maximum activity comparing with others. Colloidal SiO2 was used as a support to increase the surface area and also the activity. Nano-TiO2/SiO2/Nd was synthesized by sol-gel method and it was characterized using XRD, XRF, SEM...
[ 2 ] - Water radiolysis by gamma –irradiation for high quality synthesis of Nickel Oxide nano sheet
A simple, time effective and cost effective, methos was reported for synthesis of nickel oxide nanostructure. The NiO nanostructure was synthesized by gamma-irradiation method from NiSO4 precursor. The solution was irradiated by 60Co gamma-ray source at the dose rate of 40 Gy/min for determined time. The synthesized powders are characterized by means of X-ray powder diffraction (XRD), Energy-di...
[ 3 ] - مطالعه و بررسی رفتار جذبی اورانیم بر روی جاذب هیبریدی ساخته شده برپایه‌ی استانیک تنگستومولیبدوفسفات و SBA-15- کروی
رفتار جذبی اورانیم در محلولهای آبی بر روی یک جاذب هیبریدی ساخته شده بر پایهی نانوذرات مزوحفرهی سیلیکای کروی (SBA-15) و جاذب معدنی استانیک تنگستومولیبدوفسفات (TWMP) تحت شرایط محیطی مورد بررسی تجربی قرار گرفت. جاذب ساخته شده (SBA-15-TWMP) با استفاده از تکنیکهای پراش پرتو ایکس، گرماوزنی، تبدیل فوریهی زیرقرمز و جذب و واجذب نیتروژن مشخصهیابی شد. نتایج به دست آمده، تثبیت جاذب معدنی TWM...
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