Biosynthesis of Silver Nanoparticles Made from Green Tea Leaf Extract (Camellia sinensis)

Abstract:

Silver nanoparticles act as anti-bacterial and anti-inflammatory. On the other hand, some plants contain reducing agents. Therefore, it is deemed necessary to know the potentiality of plant extracts such as green tea leaf extract on the synthesis of silver nanoparticles. The Methanol extract of green tea leaves serves as a reduction of AgNO₃ solution. Determination of the optimum reaction time in forming nanosize using UV-Vis spectrophotometer every 30 minutes. Characterization of nanoparticles obtained using scanning electron microscopy (SEM) and particle size analyzer (PSA). The results showed that green tea leaf extract was able to reduce Ag ⁺ to silver nanoparticles at a reaction time of 90 minutes, the temperature of 70°C. Morphology is not uniform, tends to aggregate, and the size distribution of silver nanoparticles is 82.33-740.89 nm with an average diameter of 157.8 nm.

• Periodical: Materials Science Forum (Volume 967)
• Pages: 161-167
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.967.161
• Online since: August 2019
• Authors: Hasri Hasri*, iwan dini, Satria Putra Jaya Negara, Subaer Subaer
• Keywords: Methanol Extract, Silver Nanoparticles, Tea Leaves

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