Anisotropic Metal Nanoparticles for Use as Surface-Enhanced Raman Substrates


  • Author acknowledges R. R. R. Mahavidyalaya, WB, India for support of this research. C. J. Murphy, University of South Carolina is also acknowledged for her assistance. Supporting Information is available online from Wiley InterScience or from the author.


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Silver platelets and silver-coated gold nanorods 20–100 nm in size (with a 10–20 nm short axis; see figure) have been identified as excellent candidates for surface-enhanced Raman spectroscopy (SERS) substrates. Salt-induced particle aggregation is essential in obtaining high sensitivity.