Nanoscale investigation of materials, chemical reactions, and biological systems by tip enhanced Raman spectroscopy–a review

G Kolhatkar, J Plathier, A Ruediger - Journal of Materials Chemistry C, 2018 - pubs.rsc.org
Almost two decades after the first experimental verification, tip enhanced Raman
spectroscopy has developed into a proficient tool of surface characterisation and provides a …

Visualizing electric fields at Au (111) step edges via tip-enhanced Raman scattering

A Bhattarai, AG Joly, WP Hess, PZ El-Khoury - Nano Letters, 2017 - ACS Publications
Tip-enhanced Raman scattering (TERS) can be used to image plasmon-enhanced local
electric fields on the nanoscale. This is illustrated through ambient TERS measurements …

Fabrication of thin TEM sample of ionic liquid for high-resolution ELNES measurements

T Miyata, T Mizoguchi - Ultramicroscopy, 2017 - Elsevier
Investigation of the local structure, ionic and molecular behavior, and chemical reactions at
high spatial resolutions in liquids has become increasingly important. Improvements in these …

Tip-enhanced Raman nanographs: Mapping topography and local electric fields

PZ El-Khoury, Y Gong, P Abellan, BW Arey, AG Joly… - Nano Letters, 2015 - ACS Publications
We report tip-enhanced Raman imaging experiments in which information on sample
topography and local electric fields is simultaneously obtained using an all-optical detection …

Nonequilibrium chemical effects in single-molecule SERS revealed by ab initio molecular dynamics simulations

SA Fischer, E Aprà, N Govind, WP Hess… - The Journal of …, 2017 - ACS Publications
Recent developments in nanophotonics have paved the way for achieving significant
advances in the realm of single-molecule chemical detection, imaging, and dynamics. In …

Enhanced Raman scattering from aromatic dithiols electrosprayed into plasmonic nanojunctions

PZ El-Khoury, GE Johnson, IV Novikova, Y Gong… - Faraday …, 2015 - pubs.rsc.org
We describe surface enhanced Raman spectroscopy (SERS) experiments in which
molecular coverage is systematically varied from 3.8× 105 to 3.8× 102 to 0.38 molecules per …

The information content in single-molecule Raman nanoscopy

PZ El-Khoury, P Abellan, RL Chantry, Y Gong… - … in Physics: X, 2016 - Taylor & Francis
It is now possible to establish the chemical identity of a substance at the ultimate detection
limit of a single molecule, ie the sensitivity required to probe 1.66 yoctomoles (1/NA), using …

Vibrational Spectra of Nucleotides in the Presence of the Au Cluster Enhancer in MD Simulation of a SERS Sensor

T Zolotoukhina, M Yamada, S Iwakura - Biosensors, 2021 - mdpi.com
Surface-enhanced Raman scattering (SERS) nanoprobes have shown tremendous potential
in in vivo imaging. The development of single oligomer resolution in the SERS promotes …

Influence of the Au cluster enhancer on vibrational spectra of nucleotides in MD simulation of a SERS sensor

T Zolotoukhina, M Yamada, S Iwakura - Proceedings, 2020 - mdpi.com
Surface-enhanced Raman scattering (SERS) nanoprobes have shown tremendous potential
in in vivo imaging. The development of single oligomer resolution in the SERS promotes …