Journal
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
Volume 32, Issue 24, Pages 28573-28586Publisher
SPRINGER
DOI: 10.1007/s10854-021-07235-0
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- Shivaji University, Kolhapur [SU/C & U.D. Section/87/1385]
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The study reports the green synthesis of zinc oxide nanostructures using Syzygium cumini leaf extract, which exhibit spherical shape with a particle size of 25-30 nm. The synthesized ZnO nanostructures show high photodegradation efficiency for model dye pollutants under UV-Vis light, with 88% degradation efficiency for methyl orange and 84% for methylene blue within specific time frames.
We report herewith the Syzygium cumini leaf extract-mediated synthesis of nanostructures of ZnO as a green approach. The XRD pattern shows that the ZnO NSs associate to the hexagonal wurtzite structure. From DRS, the band edge is found to be 393 nm (E-g = 3.16 eV). The FT-IR spectrum of ZnO shows the formation of Zn-O bond, and SC plant extract shows the presence of -CHO, -NH2, aromatic rings, and -OH groups that are responsible for the biochemical conversion. The TEM images show that the synthesized ZnO NSs are in spherical shape with the particle size of 25-30 nm. The photodegradation efficiency of ZnO NSs was determined under UV-Vis light using methyl orange and methylene blue as model dye pollutants. The photodegradation reaction follows pseudo-first-order kinetics with 88% efficiency for MO degradation within 150 min, whereas 84% for MB within 60 min under UV-Vis. light.
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