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Septiana Ribka Purnomo
Udayana University
Earth & Planetary Sciences Electrical & Electronics Engineering Environmental Science Materials Science & Nanotechnology Physics

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STUDI SINTESIS NANOPARTIKEL PERAK DENGAN METODE BIOLOGI MENGGUNAKAN TANAMAN SAMBILOTO (Andrographis paniculata Ness) Septiana Ribka Purnomo; Ni Nyoman Rupiasih; Made Sumadiyasa
BULETIN FISIKA Vol 18 No 1 (2017): BULETIN FISIKA
Publisher : Departement of Physics Faculty of Mathematics and Natural Sciences, and Institute of Research and Community Services Udayana University, Kampus Bukit Jimbaran Badung Bali

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Abstract

This study is report about the synthesis of silver nanoparticles (AgNP) using biological method (biosynthesis) using sambiloto plant extracts (Andrographis paniculata Ness). Plant part used is the leaves and extract process is done with demineralized water (aqua-dm). The synthesis is done at a ratio of AgNO3 solution with sambiloto extract solution is 10 µl : 10 ml. Characterization techniques that have been made include UV-Vis spectrophotometer, X-ray diffraction (XRD) and Transmission Electron Microscope (TEM). The results showed that silver nanoparticles formed has absorbance of SPR (surface plasmon resonance) peak at a wavelength of about 423 nm. XRD characterization of the structure obtained FCC (face center cubic) with a lattice parameter is 4.031 Å, diffraction peaks at 2q = 38,18o, 45,81o and 64,87o each corresponding to the (h k l) of (1 1 1), (2 0 0) and (2 2 0) respectively. TEM characterization obtained that the particle size distribution is 10 – 30 nm.
Co-Authors Made Sumadiyasa Ni Nyoman Rupiasih