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Title: Frequency Resolved Nanoscale Chemical Imaging of 4,4'-Dimercaptostilbene on Silver

Non-resonant tip-enhanced Raman images of 4,4'-dimercaptostilbene on silver reveal that different vibrational resonances of the reporter are selectively enhanced at different sites on the metal substrate. Sequentially recorded images track molecular diffusion within the diffraction-limited laser spot which illuminates the substrate. In effect, the recorded time resolved (Δt = 10 s) pixelated images (25 nm x 8 cm-1) broadcast molecule-local field interactions which take place on much finer scales.
Authors:
 [1] ; ; ;  [1] ;  [1]
  1. Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Physical Sciences Division
Publication Date:
Report Number(s):
PNNL-SA-100249
Journal ID: ISSN 1932-7447; KC0301020
Grant/Contract Number:
AC05-76RL01830
Type:
Published Article
Journal Name:
Journal of Physical Chemistry. C
Additional Journal Information:
Journal Volume: 118; Journal Issue: 47; Journal ID: ISSN 1932-7447
Research Org:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); USDOE Office of Science (SC), Biological and Environmental Research (BER) (SC-23)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Raman Scattering; SERS; TERS; Nanoscale; Chemical Imaging; Local Field; Dimercaptostilbene
OSTI Identifier:
1164574
Alternate Identifier(s):
OSTI ID: 1170070

El-Khoury, Patrick Z., Ueltschi, Tyler W., Mifflin, Amanda L., Hu, Dehong, and Hess, Wayne P.. Frequency Resolved Nanoscale Chemical Imaging of 4,4'-Dimercaptostilbene on Silver. United States: N. p., Web. doi:10.1021/jp509082c.
El-Khoury, Patrick Z., Ueltschi, Tyler W., Mifflin, Amanda L., Hu, Dehong, & Hess, Wayne P.. Frequency Resolved Nanoscale Chemical Imaging of 4,4'-Dimercaptostilbene on Silver. United States. doi:10.1021/jp509082c.
El-Khoury, Patrick Z., Ueltschi, Tyler W., Mifflin, Amanda L., Hu, Dehong, and Hess, Wayne P.. 2014. "Frequency Resolved Nanoscale Chemical Imaging of 4,4'-Dimercaptostilbene on Silver". United States. doi:10.1021/jp509082c.
@article{osti_1164574,
title = {Frequency Resolved Nanoscale Chemical Imaging of 4,4'-Dimercaptostilbene on Silver},
author = {El-Khoury, Patrick Z. and Ueltschi, Tyler W. and Mifflin, Amanda L. and Hu, Dehong and Hess, Wayne P.},
abstractNote = {Non-resonant tip-enhanced Raman images of 4,4'-dimercaptostilbene on silver reveal that different vibrational resonances of the reporter are selectively enhanced at different sites on the metal substrate. Sequentially recorded images track molecular diffusion within the diffraction-limited laser spot which illuminates the substrate. In effect, the recorded time resolved (Δt = 10 s) pixelated images (25 nm x 8 cm-1) broadcast molecule-local field interactions which take place on much finer scales.},
doi = {10.1021/jp509082c},
journal = {Journal of Physical Chemistry. C},
number = 47,
volume = 118,
place = {United States},
year = {2014},
month = {11}
}