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- W3114376487 abstract "Gold nanoparticles (AuNPs) have been successfully synthesized using bioactive compounds of Imperata cylindrica L leaf extract. In this study, precursors used HAuCl 4 7x10 -4 M, 8x10 -4 M and 9x10 -4 M. Concentration of Imperata cylindrica L used was 5%. The colloid of Gold nanoparticle (AuNPs) formed were characterized using Ultraviolet-visible Spectrophotometer (UV-Vis), Fourier Transform Infrared Spectroscopy (FTIR), Transmission Electron Microscopy (TEM), X-ray Diffraction (XRD). The formation of gold nanoparticles (AuNPs) at concentration 9x10 -4 M showed the best results with a color change to red. UV-Vis showed an absorbance value of 1.4 and a wavelength of 530 nm. FTIR analysis showed the interaction of -OH functional group on phenolic compounds of Imperata cylindrica L leaf extract with Au 3+ ions. There was a shift on the peak at wavenumber 3414 cm -1 to 3404 cm -1 , indicating the formation of Au nanoparticles. TEM analysis showed the morphology of AuNPs is sphere-shaped with a particle size of 20 nm. XRD analysis showed a crystal size average of gold nanoparticles is 12 nm." @default.
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- W3114376487 date "2020-12-31" @default.
- W3114376487 modified "2023-10-03" @default.
- W3114376487 title "Synthesis and Characterization of Gold Nanoparticles (AuNPs) by Utilizing Bioactive Compound of Imperata cylndrica L" @default.
- W3114376487 doi "https://doi.org/10.14203/jkti.v22i1.448" @default.
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