Elle W. Wyatt
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View article: Tracking and Controlling Monolayer Water in Gold Nanogaps using Extreme Plasmonic Spectroscopy
Tracking and Controlling Monolayer Water in Gold Nanogaps using Extreme Plasmonic Spectroscopy Open
Nanogaps are ubiquitous across science and technology, confining molecules and thus changing chemistries that influence many areas such as catalysis, corrosion, photochemistry, and sensing. However, in ambient conditions, it is unclear how…
View article: Tailoring ultrahigh index plasmonic combinatorial metamaterials for SEIRA and SERS by tuning the fill fraction
Tailoring ultrahigh index plasmonic combinatorial metamaterials for SEIRA and SERS by tuning the fill fraction Open
Plasmonic materials with strong mid-infrared resonances allow enhanced molecular sensing, but obtaining the required high field enhancements in easily constructed geometries is challenging. Multilayer aggregates (MLaggs) of close-packed go…
View article: Tracking and controlling monolayer water in gold nanogaps using extreme plasmonic spectroscopy
Tracking and controlling monolayer water in gold nanogaps using extreme plasmonic spectroscopy Open
Nanogaps are ubiquitous across science, confining molecules and thus changing chemistries which influence many areas such as catalysis, corrosion, photochemistry, and sensing. However in ambient conditions, it is unclear how water solvates…
View article: In situ electrochemical regeneration of nanogap hotspots for continuously reusable ultrathin SERS sensors
In situ electrochemical regeneration of nanogap hotspots for continuously reusable ultrathin SERS sensors Open
Surface-enhanced Raman spectroscopy (SERS) harnesses the confinement of light into metallic nanoscale hotspots to achieve highly sensitive label-free molecular detection that can be applied for a broad range of sensing applications. Howeve…
View article: Controlling Atomic-Scale Restructuring and Cleaning of Gold Nanogap Multilayers for Surface-Enhanced Raman Scattering Sensing
Controlling Atomic-Scale Restructuring and Cleaning of Gold Nanogap Multilayers for Surface-Enhanced Raman Scattering Sensing Open
We demonstrate the reliable creation of multiple layers of Au nanoparticles in random close-packed arrays with sub-nm gaps as a sensitive surface-enhanced Raman scattering substrate. Using oxygen plasma etching, all the original molecules …