Noncontact tip-enhanced Raman spectroscopy for nanomaterials and biomedical applications

Dmitry N. Voylov, Vera Bocharova, Nickolay V. Lavrik, Ivan Vlassiouk, Georgios Polizos, Alexei Volodin, Yury M. Shulga, Alexander Kisliuk, Thirumagal Thiyagarajan, Duane D. Miller, Ramesh Narayanan, Bobby G. Sumpter, Alexei P. Sokolov

Research output: Contribution to journalArticle

Abstract

Tip-enhanced Raman spectroscopy (TERS) has been established as one the most efficient analytical techniques for probing vibrational states with nanoscale resolution. While TERS may be a source of unique information about chemical structure and interactions, it has a limited use for materials with rough or sticky surfaces. Development of the TERS approach utilizing a non-contact scanning probe microscopy mode can significantly extend the number of applications. Here we demonstrate a proof of the concept and feasibility of a non-contact TERS approach and test it on various materials. Our experiments show that non-contact TERS can provide 10 nm spatial resolution and a Raman signal enhancement factor of 105, making it very promising for chemical imaging of materials with high aspect ratio surface patterns and biomaterials.

Original languageEnglish (US)
Pages (from-to)3392-3399
Number of pages8
JournalNanoscale Advances
Volume1
Issue number9
DOIs
StatePublished - Jan 1 2019

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Nanostructured materials
Raman spectroscopy
Scanning probe microscopy
Biocompatible Materials
high aspect ratio
Biomaterials
vibrational states
Aspect ratio
spatial resolution
microscopy
Imaging techniques
scanning
augmentation
probes
Experiments
interactions

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Bioengineering
  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Chemistry(all)

Cite this

Voylov, D. N., Bocharova, V., Lavrik, N. V., Vlassiouk, I., Polizos, G., Volodin, A., ... Sokolov, A. P. (2019). Noncontact tip-enhanced Raman spectroscopy for nanomaterials and biomedical applications. Nanoscale Advances, 1(9), 3392-3399. https://doi.org/10.1039/c9na00322c

Noncontact tip-enhanced Raman spectroscopy for nanomaterials and biomedical applications. / Voylov, Dmitry N.; Bocharova, Vera; Lavrik, Nickolay V.; Vlassiouk, Ivan; Polizos, Georgios; Volodin, Alexei; Shulga, Yury M.; Kisliuk, Alexander; Thiyagarajan, Thirumagal; Miller, Duane D.; Narayanan, Ramesh; Sumpter, Bobby G.; Sokolov, Alexei P.

In: Nanoscale Advances, Vol. 1, No. 9, 01.01.2019, p. 3392-3399.

Research output: Contribution to journalArticle

Voylov, DN, Bocharova, V, Lavrik, NV, Vlassiouk, I, Polizos, G, Volodin, A, Shulga, YM, Kisliuk, A, Thiyagarajan, T, Miller, DD, Narayanan, R, Sumpter, BG & Sokolov, AP 2019, 'Noncontact tip-enhanced Raman spectroscopy for nanomaterials and biomedical applications', Nanoscale Advances, vol. 1, no. 9, pp. 3392-3399. https://doi.org/10.1039/c9na00322c
Voylov DN, Bocharova V, Lavrik NV, Vlassiouk I, Polizos G, Volodin A et al. Noncontact tip-enhanced Raman spectroscopy for nanomaterials and biomedical applications. Nanoscale Advances. 2019 Jan 1;1(9):3392-3399. https://doi.org/10.1039/c9na00322c
Voylov, Dmitry N. ; Bocharova, Vera ; Lavrik, Nickolay V. ; Vlassiouk, Ivan ; Polizos, Georgios ; Volodin, Alexei ; Shulga, Yury M. ; Kisliuk, Alexander ; Thiyagarajan, Thirumagal ; Miller, Duane D. ; Narayanan, Ramesh ; Sumpter, Bobby G. ; Sokolov, Alexei P. / Noncontact tip-enhanced Raman spectroscopy for nanomaterials and biomedical applications. In: Nanoscale Advances. 2019 ; Vol. 1, No. 9. pp. 3392-3399.
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