Abstract
The study was to investigate the possibility of synthesizing silver nanoparticles by chemical reduction method using Syzygium Samagense flower bud extract as a green reducing agent. Various reaction conditions affecting the synthesis of silver nanoparticles were investigated including AgNO3 concentration (2 mM; 5 mM; 10 mM), volume ratio Vextract/VAgNO3 (2:30; 3:30; 4:30; 5:30), reaction temperature (50 – 80 °C), reaction time (15 - 60 mins). The presence of silver nanoparticles was detected by the combination of spectroscopy and X-ray diffraction (XRD) technology while the size of silver nanoparticles was determined by scanning electron microscopy (FE-SEM). The results showed that silver nanoparticles (owning an average size in the range of 20 - 35 nm) were successfully formulated with the highest yield when mixing the flower bud extract and AgNO3 solution (5 mM) with a ratio of 4:30 at 70 °C for 45 mins.
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