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- Title
Biosynthesized zinc oxide using <italic>Lycopersicon esculentum</italic> peel extract for methylene blue degradation.
- Authors
Soto-Robles, C. A.; Nava, O. J.; Vilchis-Nestor, A. R.; Castro-Beltrán, A.; Gómez-Gutiérrez, C. M.; Lugo-Medina, E.; Olivas, A.; Luque, P. A.
- Abstract
This work presents a study on the effects of different peel extract weight percentages in the biosynthesis of zinc oxide (ZnO) for its application in the photocatalysis. Zinc nitrate was used as a source of the zinc ions, while <italic>Lycopersicon esculentum</italic> (tomato) contributed the peels for the extracts to be used as a reductant and stabilizing agent. The synthesized samples were studied and characterized through Fourier transform infrared spectroscopy, X-ray diffraction, scanning electron microscopy, high resolution transmission electron microscopy and UV–Vis spectroscopy. The morphology of the surface of the material showed that samples vary in size and shape distribution depending on the amount of extract used. The band gap values were of 3.08, 3.1 and 3.18 eV for the 1, 2 and 4% concentrations, respectively. The photocatalytic properties of the ZnO were evaluated through methylene blue degradation and the results presented a 97% dye degradation in 150 min, which is more efficient than comparable commercial ZnO.
- Subjects
ZINC oxide films; ZINC oxide synthesis; METHYLENE blue; PHOTOCATALYSIS; FOURIER transform infrared spectroscopy; X-ray diffraction; SCANNING electron microscopy; TRANSMISSION electron microscopy
- Publication
Journal of Materials Science: Materials in Electronics, 2018, Vol 29, Issue 5, p3722
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-017-8305-4