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Vitex negundo leaf extract mediated synthesis of ZnO nanoplates and its antibacterial and photocatalytic activities

Journal: Asian Journal of Nanoscience and Materials (Vol.2, No. 1)

Publication Date:

Authors : ; ; ; ;

Page : 99-110

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Abstract

Nanocrystals of ZnO have been prepared using vitex negundo leaf extract via a simple green method. The confirmation of ZnO formation was carried out by UV–Vis-diffuse reflectance spectroscopy (UV-Vis DRS). The prepared nanocrystals were further characterized by photoluminescence (PL), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), Field emission-scanning electron microscopy (FE-SEM) and Transmission electron microscopy (TEM). FE-SEM shows the ZnO nanoparticles are nanoplates like structure. With the aim of assessing the photocatalytic activities of ZnO nanocrystals the degradation of methylene blue (MB) under UV radiation was analyzed. Further, the antibacterial activities of synthesized ZnO nanoparticles were screened against S. aureus, S. paratyphi, V. cholerae, and E. coli.

Last modified: 2019-06-08 03:36:56