Metallic nanoparticles supporting a localized surface plasmon resonance have emerged as promising platforms for nanoscopic labels, sensors, and (photo-) catalysts. To use …
A detailed understanding of the interaction between molecules and plasmonic nanostructures is important for several exciting developments in (bio) molecular sensing and …
PZ El-Khoury - Accounts of Chemical Research, 2021 - ACS Publications
Conspectus Historically, molecular spectroscopists have focused their attention to the right- hand side of the Schrödinger equation. Our major goal had and still has to do with …
CF Wang, PZ El-Khoury - The Journal of Physical Chemistry …, 2021 - ACS Publications
Optical field localization at plasmonic tip–sample nanojunctions has enabled high-spatial- resolution chemical analysis through tip-enhanced linear optical spectroscopies, including …
Surface plasmon polaritons (SPPs) are travelling surface waves that have shown promise for applications in nanophotonics as they provide a direct route toward photon-mediated …
PZ El-Khoury, E Aprà - The Journal of Physical Chemistry C, 2020 - ACS Publications
We record local optical field images of silver nanocubes (75 nm) using tip-enhanced Raman (TER) spectral imaging. The images that we observe are consistent with several recent …
CF Wang, M Zamkov, PZ El-Khoury - The Journal of Physical …, 2021 - ACS Publications
We achieve record spatial resolution in ambient tip-enhanced photoluminescence (TEPL) from CdSe/ZnS semiconductor quantum dots (QDs). Our approach only takes advantage of …
L Meng, Y Wang, M Gao, M Sun - The Journal of Physical …, 2021 - ACS Publications
Realizing in situ simultaneous measurement of full vibrational modes in tip-enhanced Raman spectroscopy (TERS) is of immense importance for improving the ability of …
CF Wang, PZ El-Khoury - The Journal of Physical Chemistry …, 2021 - ACS Publications
Four-wave mixing at plasmonic tip–sample nanojunctions may be used to visualize plasmonic fields with sub-2 nm spatial resolution under ambient laboratory conditions. We …