Standard Method for Characterizing SERS Substrates

Report No. ARL-RP-0412
Authors: Jason A. Guicheteau, Mikella E. Hankus, Steven D. Christesen, Augustus W.
Date/Pages: September 2012; 13 pages
Abstract: We present the methodology and results of a standard assessment protocol to evaluate disparate SERS substrates that were developed for the Defense Advanced Research Programs Agency (DARPA) SERS Science and Technology Fundamentals Program. The results presented are a snapshot of a collaborative effort between the US Army Edgewood Chemical Biological Center, and the US Army Research Laboratory-Aldelphi Laboratory Center to develop a quantitative analytical method with spectroscopic figures of merit to unambiguously compare the sensitivity and reproducibility of various SERS substrates submitted by the program participants. We present the design of a common assessment protocol and the definition of a SERS enhancement value (SEV) in order to effectively compare SERS active surfaces.
Distribution: Approved for public release
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Last Update / Reviewed: September 1, 2012