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Sarah M. Adams, Salvatore Campione, Joshua D. Caldwell, Francisco J. Bezares, James C. Culbertson, Filippo Capolino and Regina Ragan Non-lithographic SERS Substrates: Tailoring Surface Chemistry for Au Nanoparticle Cluster Assembly Small 8

Version of Record online: 23 APR 2012 | DOI: 10.1002/smll.201102708

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Au nanoparticles from colloids are assembled in clusters on chemically patterned polymer surfaces using surface chemical reactions, thus providing a versatile assembly method for metal nanoarchitectures. Surface-enhanced Raman scattering (SERS) measurements on samples with a high density of clusters exhibit uniform enhancement factors as high as 109 across the sample and are reusable for the detection of SERS-active molecules.

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