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Facile Synthesis of Nickel Chromite Nanostructures by Hydrothermal Route for Photocatalytic Degradation of Acid Black 1 under Visible Light مقاله


نویسنده مسئول:

علمی-پژوهشی (وزارت علوم) (7 صفحه - از 17 تا 23)


NiCr 2 O 4 normal spinel nanostructures were prepared via hydrothermal treatment at 180 ° C for 12 h in the presence of cetyltrimethylammonium bromide (CTAB) , sodium dodecyl sulphate (SDS) and poly vinylpyrrolidone-25000 (PVP-25000) as capping agents and subsequent calcination process at 500 ° C for 3 h. In this method, [Ni (en) 2 (H 2 O) 2 ](NO 3 ) 2 and [Cr (en) 3 ] Cl 3 . 3H 2 O used as precursors and not utilized any alkaline or precipitating agent. Detailed characterization of the as-prepared nanostructures were carried out by Fourier transform infrared (FTIR) , X-ray diffraction (XRD) , field emission scanning electron microscopy (FESEM) , UV-Vis diffuse reflectance spectroscopy (DRS). XRD revealed the formation of pure nickel chromite spinel phase and SEM showed the formation of uniform sphere-like nanoparticles. Furthermore, the photocatalytic degradation of acid black 1 as diazo dye used in textile and dyeing water pollutants was Investigated.

کلیدواژه ها:

nanostructures ، hydrothermal ، Acid Black 1 ، Nickel chromite ، Photocatalytic degredation

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