A green facile one-pot approach to the phytochemical assisted synthesis of 3-D Silicon(IV) oxide nanosheets using the aqueous leaf extract of Azadirachta indica (Neem)
Date
2019
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Publisher
Journal of Materials and Environmental Sciences
Abstract
The present study reports on a green approach for the synthesis of silicon(IV) oxide (SiO2) nanoparticles from SiF62- complexes using phytochemicals from Azadirachta indica as capping and stabilizing agents. The Ultraviolet-Visible spectroscopic analysis indicated a broad peak at 380 nm which increased as reaction time increased. Fourier Transform Infrared analysis revealed the presence of Si-O-Si content, and the appearance of phytochemicals such as primary amine and alcohol groups as capping agents. X-ray Diffraction studies showed sharp peaks that confirmed that the nanoparticles were crystalline. Scanning Electron Microscopy analysis showed the formation of sheets of SiO2 nanoparticles arranged in a pattern with the sides facing up and sheet thickness ranging from 35 to 50 nm without any agglomeration among the particles. Energy dispersive X-ray analysis showed a 38 weight percentage of silicon content in the sample and a complete absence of fluorine and potassium which indicated a complete hydrolysis of the precursor.
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Citation
Bankole-Ojo, O. S. and Oyedeji, F. O. (2019). A green facile one-pot approach to the phytochemical assisted synthesis of 3-D Silicon(IV) oxide nanosheets using the aqueous leaf extract of Azadirachta indica (Neem). Journal of Materials and Environmental Sciences. 10(12); 1304-1309.