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|Author(s):||Emren Nalbant-Esenturk; Angela R. Hight Walker;|
|Title:||Surface-Enhanced Raman Spectroscopy via Gold Nanostars|
|Published:||September 28, 2008|
|Abstract:||Anisotropic metallic nanoparticles have unique optical properties, which lend them to applications such as Surface Enhanced Raman Spectroscopy (SERS). Branched and star-shaped gold nanoparticles have been prepared in aqueous phase by seed-mediated growth methos by using 10nm, commercially available, gold colloid solution. Characterization of the nanostars was performed via UV-Vis absorption spectroscopy and Transmission Electron Microscopy (TEM) showing unprecedented nanostructures. SERS measurements for 2-Mercaptopyridine adsorbed on aggregated gold nanostars show a larger enhancement than 2-MPy on spherical nanoparticles of the similar size.|
|Citation:||Journal of the American Chemical Society|
|Pages:||pp. 86 - 91|
|Keywords:||2-mercaptopyridine,gold nanoparticle,Raman enhancement|
|PDF version:||Click here to retrieve PDF version of paper (206KB)|