Abstract
A Novel Nickel oxide graphitic carbon nitride nanocomposite was prepared by direct mixing method and used for treatment of wastewater by photocatalysis. Nickel oxide nanoparticles were synthesized by precipitation method and subjected to different characterization like; x-ray diffraction patterns, scanning electron microscope, energy-dispersive x-ray spectroscopy and UV-Vis spectrophotometry. X-ray diffraction analysis showed that Nickel oxide graphitic carbon nitride nanocomposite has crystalline structure and nickel oxide nanoparticle has face centered cubic structure. Energy-dispersive x-ray spectroscopy analysis confirms the purity of synthesized material. Photocatalytic activity was perform to notify photosensitivity of synthesized material against methylene blue dye present in wastewater and results showed that synthesized material has outstanding ability to degrade methylene blue dye under sun light irradiation as it degrade 92% dye in 2 h. Furthermore, reusability or stability of prepared photocatalyst was investigated, results showed synthesized material was stable even after four consecutive cycles. Therefore it is concluded that Nickel oxide graphitic carbon nitride nanocomposite is an excellent and most promising photocatalyst to treat wastewater.
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