Synthesis of Gold Nanoanisotrops UsingDioscorea bulbiferaTuber Extract | Zendy

Sougata Ghosh | Zendy; Sumersing Patil | Zendy; Mehul Ahire | Zendy; Rohini Kitture | Zendy; Amit M. Jabgunde | Zendy; S. N. Kale | Zendy; Karishma R. Pardesi | Zendy; Jayesh Bellare | Zendy; Dilip D. Dhavale | Zendy; Balu A. Chopade | Zendy

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Synthesis of Gold Nanoanisotrops UsingDioscorea bulbiferaTuber Extract

Author(s) -

Sougata Ghosh,

Sumersing Patil,

Mehul Ahire,

Rohini Kitture,

Amit M. Jabgunde,

S. N. Kale,

Karishma R. Pardesi,

Jayesh Bellare,

Dilip D. Dhavale,

Balu A. Chopade

Publication year - 2011

Publication title -

journal of nanomaterials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.463

H-Index - 66

eISSN - 1687-4129

pISSN - 1687-4110

DOI - 10.1155/2011/354793

Subject(s) - chloroauric acid , materials science , colloidal gold , nanoparticle , reducing agent , metal ions in aqueous solution , chemical engineering , metal , scanning electron microscope , spectroscopy , nuclear chemistry , energy dispersive x ray spectroscopy , nanotechnology , chemistry , metallurgy , physics , quantum mechanics , engineering , composite material

Biosynthesis of metal nanoparticles employing plant extracts and thereby development of an environmentally benign process is an important branch of nanotechnology. Here, the synthesis of gold nanoparticles using Dioscorea bulbifera tuber extract (DBTE) as the reducing agent is reported. Field emission scanning electron microscopy (FESEM), energy-dispersive spectroscopy (EDX), X-ray diffraction (XRD), and UV-visible absorption spectroscopy confirmed the reduction of gold ions to AuNPs. The anisotropic nanoparticles consist of a mixture of gold nanotriangles, nanoprisms, nanotrapezoid, and spheres. The kinetics of particle formation was time dependent and was enhanced by the increase of temperature from 6° to 50°, the optimum being 50°. The optimum concentration of chloroauric acid was found to be 1mM. Complete reduction of the metal ions within 5 hours by DBTE highlights the development of a novel ecofriendly route of biological synthesis of gold nanoparticles. This is the first paper on synthesis of gold nanoparticles using DBTE.

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