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Abstract
Fairly monodisperse “dog bone” shaped gold nanorods were obtained clean and in high yield. Their average aspect ratio could be adjusted from ∼ 2 to ∼ 3 by altering the amount of silver nitrate present in the growth solution. They were coated with a uniform, ultrathin shell of silica and used to detect parathion pesticide on an orange peel by shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS).
Keywords: Surface-enhanced Raman scattering (SERS); Shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS); Gold@silica (Au@SiO2); Core-shell nanorods; Parathion pesticide detection
Published Online: 2011-4-13
Published in Print: 2011-7-1
© by Oldenbourg Wissenschaftsverlag, München, Germany
