2 papers
physics.optics2025
Tracking and controlling monolayer water in gold nanogaps using extreme plasmonic spectroscopy
Elle W. Wyatt, Sarah May Sibug-Torres, Rakesh Arul +5
Nanogaps are ubiquitous across science, confining molecules and thus changing chemistries which influence many areas such as catalysis, corrosion, photochemistry, and sensing. Howe…
physics.optics2024
Efficient short-wave infrared upconversion by self-sensitized holmium-doped nanoparticles
Rakesh Arul, Zhao Jiang, Xinjuan Li +5
Photon upconversion, combining several low-energy photons to generate one high-energy photon is of wide interest for biomedical, catalytic and photonic applications. Lanthanide-dop…