Development of a candidate reference sample for the characterization of tip-enhanced Raman spectroscopy spatial resolution

Tip-Enhanced Raman Spectroscopy (TERS) is a topographic and chemical analysis technique with nanoscale resolution, consisting of the combination of Scanning Probe Microscopy (SPM) and Localized Surface Plasmon Resonance (LSPR) for the enhancement of Raman scattering in the vicinity of the probe. The...

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Published in:RSC advances 2018-01, Vol.8 (49), p.27863-27869
Main Authors: Sacco, Alessio, Imbraguglio, Dario, Giovannozzi, Andrea M, Portesi, Chiara, Rossi, Andrea M
Format: Article
Language:English
Subjects:
Calibration
Chemical analysis
Chemistry
Electron beam lithography
Gold
Microscopes
Organic chemistry
Raman spectra
Raman spectroscopy
Resonance scattering
Scanning probe microscopy
Self-assembled monolayers
Self-assembly
Spatial resolution
Spectrum analysis
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cited_by cdi_FETCH-LOGICAL-c406t-8583ac7ae3aae3af617d47c8cf42e532ebf4214177a67e0b37bbcab96691bed63
cites cdi_FETCH-LOGICAL-c406t-8583ac7ae3aae3af617d47c8cf42e532ebf4214177a67e0b37bbcab96691bed63
container_end_page 27869
container_issue 49
container_start_page 27863
container_title RSC advances
container_volume 8
creator Sacco, Alessio
Imbraguglio, Dario
Giovannozzi, Andrea M
Portesi, Chiara
Rossi, Andrea M
description Tip-Enhanced Raman Spectroscopy (TERS) is a topographic and chemical analysis technique with nanoscale resolution, consisting of the combination of Scanning Probe Microscopy (SPM) and Localized Surface Plasmon Resonance (LSPR) for the enhancement of Raman scattering in the vicinity of the probe. The quantification of spatial resolution represents an important issue, and, as of now, standards for calibration are not available. In the present work a candidate reference sample for TERS measurements was fabricated. It consists of a flat, conductive gold surface with a nanometric grating of a self-assembled monolayer of Raman-active organic molecules fabricated by an optimized Electron Beam Lithography (EBL) method to replicate established SPM calibration standards. Its feasibility as a TERS standard was tested by STM-TERS imaging.
doi_str_mv 10.1039/c8ra03762k
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subjects Calibration
Chemical analysis
Chemistry
Electron beam lithography
Gold
Microscopes
Organic chemistry
Raman spectra
Raman spectroscopy
Resonance scattering
Scanning probe microscopy
Self-assembled monolayers
Self-assembly
Spatial resolution
Spectrum analysis
title Development of a candidate reference sample for the characterization of tip-enhanced Raman spectroscopy spatial resolution
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