Biosynthesis Of Spherical Gold Nanoparticles And Their Characterization
INTERNATIONAL CONFERENCE ON ADVANCES IN MATERIALS AND MANUFACTURING APPLICATIONS (ICONAMMA-2018)(2019)
摘要
Colloidal gold nanoparticles (AuNPs) were synthesized by the reduction of chloroauric acid (HAuCl4 center dot H2O) using silk sericin (SS) extracted from Bombyx mori silk as a biotemplate. Synthesized AuNPs were characterized by using the various analytical techniques. UV-visible (UV-vis) study confirms the formation of AuNPs in aqueous SS solution showing the surface plasmon resonance (SPR) band at lambda = 530 nm. The X-ray diffraction (XRD) study revealed the crystalline phase of gold nanoparticles with face centered cubic (FCC) structure. Transmission electron microscopy (TEM) images showed the formed AuNPs are spherical in shape with diameter around 8 nm. Dynamic light scattering (DLS) experiment also confirmed the formation of AuNPs in SS solution with average size 10 nm.
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关键词
Silk sericin, XRD, TEM, DLS
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