期刊
MATERIALS TODAY-PROCEEDINGS
卷 36, 期 -, 页码 298-302出版社
ELSEVIER
DOI: 10.1016/j.matpr.2020.04.057
关键词
Citrus x sinensis; Cadmium oxide; Biosynthesis; XRD; Optical properties
资金
- UNESCO-UNISA Africa Chair in Nanosciences and Nanotechnology (U2ACN2)
- National Research Foundation of South Africa (NRF)
- iThemba LABS-NRF
- ALC Scholarships
This study reported on the bio-synthesis and characterization of cadmium oxide nanoparticles using a green synthesis method, confirming the effectiveness of orange peel extract as a bio-oxidizing/bio-reducing/chelating agent. The nanoparticles were characterized using various techniques, showing distinct CdO characteristics and optical properties.
The present work reports on the bio-synthesis and characterization of cadmium oxide nanoparticles (CdO) which were prepared via green synthesis method validating for the first time that oranges peel skin (Citrus x Sinensis) extract is an effective bio-oxidizing/bio-reducing /chelating agent. The prepared nanoparticles were characterized by various techniques such as X-rays diffraction, attenuated total reflection-Fourier transform infrared, Photoluminescence as well as diffuse reflectance. Synthesized samples annealed at various temperature of 200 degrees C, 300 degrees C, 400 degrees C reveal Bragg peaks which were matched to fcc structure of Monteponite CdO while ATR analysis show absorption bands at 548 and 617 cm(-1) characteristic of CdO. Photoluminescence spectroscopy analysis shows emission peaks centered at 520 nm meanwhile diffuse reflectance measurement recorded reflectance of 60%, 15%, 8% for samples annealed at 400 degrees C, 300 degrees C, 200 degrees C with respective bandgap of 2.19 eV, 2.42 eV, 2.45 eV. (C) 2019 Elsevier Ltd. All rights reserved.
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