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|Title:||High-density metallic nanogaps fabricated on solid substrates used for surface enhanced Raman scattering||Authors:||Lu, Gang
|Issue Date:||2012||Source:||Lu, G., Li, H., Wu, S., Chen, P., & Zhang, H. (2012). High-density metallic nanogaps fabricated on solid substrates used for surface enhanced Raman scattering. Nanoscale, 4(3), 860-863.||Series/Report no.:||Nanoscale||Abstract:||The Raman signal of adsorbed molecules can be significantly enhanced by utilizing metallic structures with high-density Raman hot spots used as surface enhanced Raman scattering (SERS) substrates. In this work, we develop a simple, convenient and tunable method to fabricate high-density Ag or Au nanogaps on Si wafers. These nanogaps can serve as Raman hot spots, leading to dramatic enhancement of the Raman signal. The high-density nanogaps can be formed by repeating the electroless deposition of Ag NPs (or Au NPs) and coating of p-aminothiophenol (PATP, a Raman probe) on the deposited Ag NPs (or Au NPs) through the self-assembly process. After removal of PATP by O2 plasma, the as-fabricated SERS substrate can be reused for the detection of other molecules.||URI:||https://hdl.handle.net/10356/97560
|ISSN:||2040-3364||DOI:||10.1039/c1nr10997a||Rights:||© 2012 The Royal Society of Chemistry.||Fulltext Permission:||none||Fulltext Availability:||No Fulltext|
|Appears in Collections:||MSE Journal Articles|
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