عنوان
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Synthesis and Characterization of ZrO2 Nanoparticles by an Arc Discharge Method in Water
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نوع پژوهش
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مقاله چاپ شده
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کلیدواژهها
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arc discharge, DI water, photocatalytic activity, ZrO2 nanoparticles
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چکیده
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ZrO2 nanoparticles were produced by high current electrical arc discharge of zirconium electrodes in deionized (DI) water. A mixture of nanocrystalline ZrO2 monoclinic and tetragonal phase form based on X-ray diffraction (XRD) analysis. Dynamic light scattering (DLS) result indicates that the size of the particles increases by increasing the arc current. Absorption spectroscopy of the samples shows a red shift on absorption edge by increasing the arc current. Band gap of the produced ZrO2 nanoparticles at 10 A arc current corresponds to 5.4 eV, which decreases to 5 eV by increasing the arc current up to 20 A.
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پژوهشگران
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محمد قرآن نویس (نفر پنجم)، مونا کاویان پور (نفر چهارم)، سیده آرزو احمدی افشار (نفر سوم)، سید مهیاد عقیق (نفر دوم)، علی اکبر آشکاران (نفر اول)
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