Surface-Enhanced Raman Scattering from Individual Au Nanoparticles and Nanoparticle Dimer Substrates
Lawrence Livermore National Laboratory · Rice University · +1 more institution
Abstract
Surface-enhanced Raman scattering (SERS) intensities for individual Au nanospheres, nanoshells, and nanosphere and nanoshell dimers coated with nonresonant molecules are measured, where the precise nanoscale geometry of each monomer and dimer is identified through in situ atomic force microscopy. The observed intensities correlate with the integrated quartic local electromagnetic field calculated for each specific nanostructure geometry. In this study, we find that suitably fabricated nanoshells can provide SERS enhancements comparable to nanosphere dimers.
Citation impact
- FWCI
- 23.69
- Percentile
- 100%
- References
- 23
Authors
9- CEChad E. TalleyCorresponding
Lawrence Livermore National Laboratory, Rice University, University of California, Davis
- JJJoseph Jackson
Rice University, Lawrence Livermore National Laboratory, University of California, Davis
- COChris Oubre
University of California, Davis, Rice University, Lawrence Livermore National Laboratory
- NKNathaniel K. Grady
Rice University, Lawrence Livermore National Laboratory, University of California, Davis
- CWChristopher W. Hollars
Rice University, University of California, Davis, Lawrence Livermore National Laboratory
Topics & keywords
- Nanoshell
- Nanostructure
- Raman scattering
- Nanoparticle
- Materials science
- Dimer
- Nanotechnology
- Nanoscopic scale