Synthesis and characterization of silver nanoparticles using lemon grass (cymbopogon citratus) extract / Hannah Faye C. Bugante

UTHESIS (Bachelor of Science in Ceramic Engineering)

Bibliography : leaves 36-40

Silver nanoparticle shows its capabilities in different applications which catches
the interest of researches. The synthesis of silver nanoparticles (AgNPs) using lemon
grass (Cymbopogon Citratus) extract offers a safer and eco-friendly alternative to
conventional methods, lemon grass extract has a rich content of bioactive compounds
that serves as a reducing and stabilizing agent for the green synthesis approach. This
study aimed to address the limitation of hazardous chemical used for the synthesis of
silver nanoparticles and to develop an eco-friendly approach for synthesizing AgNPs.
Using silver nitrate as the precursor and lemon grass as reducing and stabilizing agents.
X-ray fluorescence analysis reveals the presence of Ag across treatments. Scanning
electron microscopy showed district particle morphology and sizes, spherical shape
with an average particle size of 60.4 nm for Treatment 1, unevenly quasi-spherical with
an average particle size of 77.0 nm for Treatment 2, cubes with a soft edge with an
average particle size of 84.6 nm for Treatment 3, while Treatment 4 has an increase of
average particle size of 159.2 nm with an irregular cubic which exceeded the range of
nanoparticle size. These results show the significant influence of concentration,
reaction time, temperature, and pH on nanoparticles. The successful synthesis of
AgNPs using lemon grass extract indicates that it has potential for eco-friendly
application in nanotechnology.