PENGARUH VOLUME EKSTRAK DAUN SIRIH HIJAU (PIPERBETLE L.) TERHADAP SIFAT OPTIK PADA BIOSINTESIS NANOPARTIKEL ZINC OXIDE (ZnO)
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Date
2023-05
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Elfitra
Abstract
The biosynthesis of zinc oxide nanoparticles (ZnO NPs) using green betel leaf extract has been
successfully conducted in this study. This research aims to synthesize ZnO nanoparticles and
analyze the effect of green betel leaf extract volume on their optical properties. The synthesis was
performed using different volumes of green betel leaf extract (Piper betle L.) and zinc nitrate
hexahydrate (Zn(NO3)2.6H2O) solution, namely A (1:1), B (1:5), and C (1:10), followed by the
addition of 1 M NaOH until each variation reached a pH of 7. The resulting nanoparticles were
characterized using UV-Vis spectrophotometry, which showed an absorption peak in the
wavelength range of 250-330 nm with absorption intensities of 1.03, 0.54, and 0.24 a.u.,
respectively
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Keywords
ZnO nanoparticle, biosynthesis, betel leaf extract
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