Abstract
The facile chemical synthesis method was used for preparing Trimetallic Fe-Co-V/Zeolite and Fe-Co-Mo/Zeolite composite nanostructures. The structural functionalities and morphological observations were obtained using characterization techniques of field emission scanning electron microscopy (FESEM), X-ray diffraction (XRD), Fourier transfer infrared (FT-IR) spectroscopy, and energy dispersive spectroscopy (EDS). The results indicated the formation of irregular and no-shaped nanostructures for both Fe-Co-V/Zeolite and Fe-Co-Mo/Zeolite composite nanostructures. The optical characterization was conducted by UV-Vis diffuse reflectance spectroscopy (UV-Vis DRS). The optical studies were revealed band-gap energies equivalent to 3.0 and 3.5 eV for Fe-Co-V/Zeolite and Fe-Co-Mo/Zeolite samples. The morphological features of sample were investigated with a Zeiss (EM10C -Germany) transmission electron microscope (TEM) operating at 100 kV respectively.
Highlights
With the development of nanotechnology, catalysts made of transition metals have drawn a lot of attention due to their application in various areas including catalytic hydrogenation, rechargeable batteries, and wastewater treatment[1]
The formation and elemental compositions of composite structures were studied using a series of spectroscopic techniques including X-ray diffraction (XRD), Fourier transfer infrared (FT-IR), field emission scanning electron microscopy (FESEM), and energy dispersive spectroscopy (EDS)
The UV-Vis was used to investigate linear optical characteristics indicating a strong absorption in the UV region with band-gapes of about 3.0 and 3.5 eV for Fe-Co-V/Zeolite and Fe-Co-Mo/Zeolite composite nanostructures, respectively
Summary
With the development of nanotechnology, catalysts made of transition metals have drawn a lot of attention due to their application in various areas including catalytic hydrogenation, rechargeable batteries, and wastewater treatment[1]. Zeolites possess regular microspheres of one-, two- and three-dimensions creating a vast network of channels and cages with well-defined sizes and shapes[16] In this regard, Xu et al.[17] presented a review report on the encapsulation of metal nanoparticle catalysts. We report the preparation of trimetallic Fe-Co-V and Fe-Co-Mo structures on zeolite materials as host beds by a facile chemical synthesis route and the characterization of synthesized samples using XRD, FT-IR spectroscopy, FESEM and UV-Vis DRS. We use these nanocomposites based on zeolite for the removal of selected organic dyes from wastewater in the following and planning the works
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