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A 1.7 nm resolution chemical analysis of carbon nanotubes by tip-enhanced Raman imaging in the ambient

Tip-enhanced Raman spectroscopy allows chemical imaging of materials with high spatial resolution. Here, using plasmonic effects from a gold tip and gold substrate, Chen et al.achieve the chemical imaging of a carbon nanotube down to 1.7 nm resolution at ambient conditions.

Chi Chen
Norihiko Hayazawa
Satoshi Kawata
Research12 Feb 2014
Nature Communications

Volume: 5, P: 1-5
Single-molecule resonance Raman effect in a plasmonic nanocavity

Tip-enhanced Raman spectroscopy can provide chemical sensitivity at a single-molecule level. Measurements on individual molecules adsorbed on a thin salt layer unveil that components of the electric field perpendicular to the tip provide sensitivity to the symmetry of the vibrational modes of the molecule.

Rafael B. Jaculbia
Hiroshi Imada
Yousoo Kim
Research20 Jan 2020
Nature Nanotechnology

Volume: 15, P: 105-110
Visualization of subnanometric phonon modes in a plasmonic nano-cavity via ambient tip-enhanced Raman spectroscopy

Maria Vanessa Balois
Norihiko Hayazawa
Takuo Tanaka
ResearchOpen Access14 Oct 2019
npj 2D Materials and Applications

Volume: 3, P: 1-10