Title :
Influence of capping agents on the growth of gold nanoparticles from aqueous and non-aqueous medium
Author :
Londhe, Priyanka U. ; More, Madhuri ; Chaure, N.B.
Author_Institution :
Dept. of Phys., Univ. of Pune, Pune, India
Abstract :
Gold nanoparticles (Au NPs) with different shape and size were prepared in an aqueous and non-aqueous solution using cetyltrimethylammonium bromide (CTAB) and poly(vinylpyrrolidone) (PVP) as a capping agent by simple chemical synthesis. In an aqueous bath Au NPs were synthesized at room temperature and high temperature was found to be suitable for non-aqueous bath. These Au NPs are characterized by using different characterization techniques. Effect of capping agent on the particle size and shape for different medium were extensively studied using UV-Vis spectroscopy and transmission electron microscopy (TEM).
Keywords :
gold; nanofabrication; nanoparticles; particle size; transmission electron microscopy; ultraviolet spectra; visible spectra; Au; TEM; aqueous bath; capping agents; cetyltrimethylammonium bromide; gold nanoparticle growth; nonaqueous medium; particle shape; particle size; poly(vinylpyrrolidone); simple chemical synthesis; temperature 293 K to 298 K; transmission electron microscopy; ultraviolet-visible spectroscopy; Gold; Au nanoparticles; Capping agent (CTAB, PVP); TEM; UV-Vis Spectroscopy;
Conference_Titel :
Advanced Nanomaterials and Emerging Engineering Technologies (ICANMEET), 2013 International Conference on
Conference_Location :
Chennai
Print_ISBN :
978-1-4799-1377-0
DOI :
10.1109/ICANMEET.2013.6609301
