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Updated: Jun 30, 2026
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Investigating Single Molecule Adhesion by Atomic Force Spectroscopy
Published on: February 27, 2015
Chemical Mapping of Supramolecular Self-Assembled Monolayers via Atomic Force Microscopy-Based Infrared with a
Alexandre Dazzi1, Frank Palmino2, Ariane Deniset-Besseau1
1Université Paris-Saclay, Institut de Chimie-Physique, F-91400 Orsay, France.
The Journal of Physical Chemistry Letters
|March 27, 2025
Summary
Atomic force microscopy-infrared (AFM-IR) spectroscopy now achieves single-nanometer chemical imaging. This breakthrough enables submolecular mapping of complex materials, advancing nanoscience research.
Area of Science:
- Nanoscience
- Spectroscopy
- Materials Science
Background:
- Atomic force microscopy-infrared (AFM-IR) spectroscopy provides chemical imaging of surfaces.
- Current AFM-IR techniques offer spatial resolutions down to 10 nm.
Purpose of the Study:
- To significantly enhance the spatial resolution of AFM-IR techniques.
- To achieve chemical mapping at the single-nanometer and submolecular level.
Main Methods:
- Implementation of an innovative tapping-mode AFM-IR approach.
- Utilizing advanced atomic force microscopy for high-resolution infrared spectroscopy.
Main Results:
- Achieved unprecedented spatial resolution in AFM-IR, reaching the single-nanometer scale.
- Demonstrated chemical mapping of supramolecular networks at the submolecular level.
Conclusions:
- The developed tapping-mode AFM-IR technique pushes the boundaries of chemical imaging resolution.
- This advancement opens new possibilities for detailed analysis in nanoscience and materials research.
