MODIFIKASI DAN KARAKTERISASI NANOPARTIKEL EMAS-UBI JALAR UNGU MENGGUNAKAN POLIVINIL ALKOHOL (PVA)
Abstract
Synthesis, modification and characterization of gold nanoparticles-purple sweet potato extract with a modifier of
Polyvinyl Alcohol (PVA) was successfully carried out. The results showed that qualitatively of gold nanoparticles were
formed based on measurements by UV-Vis Spectroscopy which obtained the maximum wavelength of unmodified purple
sweet potato nanoparticles of 544 nm and absorbance of 0.613. While the maximum wavelength of 545 nm in the gold
nanoparticles-modified purple sweet potato PVA and absorbance of 0.662.
Polyvinyl Alcohol (PVA) was successfully carried out. The results showed that qualitatively of gold nanoparticles were
formed based on measurements by UV-Vis Spectroscopy which obtained the maximum wavelength of unmodified purple
sweet potato nanoparticles of 544 nm and absorbance of 0.613. While the maximum wavelength of 545 nm in the gold
nanoparticles-modified purple sweet potato PVA and absorbance of 0.662.
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