{"title":"SIFAT OPTIK NANOPARTIKEL PERAK (Ag-NPs) MENGGUNAKAN BIOREDUKTOR EKSTRAK KULIT SEMANGKA KUNING","authors":"Hazelina Adzani, A. S. Rini","doi":"10.31258/JKFI.17.2.104-107","DOIUrl":null,"url":null,"abstract":"Synthesis of silver nanoparticles was carried out by a reduction method using yellow watermelon rind extract. Variation of sample on this synthesis was doing with ratio volume extract and ag, i.e., 1:3 and 3:1. This synthesis has been successfully carried out using 1M NaOH as a stabilizer. The formation and stability of silver nanoparticles was observed through Uv-vis absorbance spectrum. The results of the analysis using Uv-Vis spectroscopy show the formation of silver nanoparticles at wavelengths of 440-446 nm with absorbance values of 0.8356 a.u and 1.0458 a.u respectively. The FTIR analysis showed the existence of a polyphenol group functional with a range of wave numbers 601.82-3359.18 cm-1. This result concludes that yellow watermelon rind extract is involved in reducing Ag+ to Ag0.","PeriodicalId":403286,"journal":{"name":"Komunikasi Fisika Indonesia","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2020-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Komunikasi Fisika Indonesia","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.31258/JKFI.17.2.104-107","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Synthesis of silver nanoparticles was carried out by a reduction method using yellow watermelon rind extract. Variation of sample on this synthesis was doing with ratio volume extract and ag, i.e., 1:3 and 3:1. This synthesis has been successfully carried out using 1M NaOH as a stabilizer. The formation and stability of silver nanoparticles was observed through Uv-vis absorbance spectrum. The results of the analysis using Uv-Vis spectroscopy show the formation of silver nanoparticles at wavelengths of 440-446 nm with absorbance values of 0.8356 a.u and 1.0458 a.u respectively. The FTIR analysis showed the existence of a polyphenol group functional with a range of wave numbers 601.82-3359.18 cm-1. This result concludes that yellow watermelon rind extract is involved in reducing Ag+ to Ag0.
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