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Updated: May 28, 2026

Measurement of Ultrafast Vibrational Coherences in Polyatomic Radical Cations with Strong-Field Adiabatic Ionization
Published on: August 6, 2018
Vibrational spectroscopy as a probe of molecule-based devices
Anastasia B S Elliott1, Raphael Horvath, Keith C Gordon
1MacDiarmid Institute for Advanced Materials and Nanotechnology, Department of Chemistry, University of Otago, Dunedin, New Zealand.
Vibrational spectroscopy, including Raman and infrared techniques, is applicable to studying molecule-based electronics. These methods analyze properties like crystallinity and excited-state dynamics in devices such as solar cells and transistors.
Area of Science:
- Molecular Electronics
- Spectroscopy
- Materials Science
Background:
- Molecule-based electronics offer novel functionalities.
- Understanding material properties is crucial for device performance.
- Vibrational spectroscopy provides detailed molecular insights.
Purpose of the Study:
- To review the applicability of Raman and mid-infrared spectroscopy for molecule-based electronics.
- To highlight the use of these techniques in studying key electronic devices.
- To demonstrate their capability in characterizing material properties and dynamics.
Main Methods:
- Critical review of vibrational spectroscopic techniques.
- Focus on Raman and mid-infrared spectroscopy and their variations.
- Application examples in solar cells, organic light-emitting diodes, molecular junctions, switches, and transistors.
Main Results:
- Raman and mid-infrared spectroscopy are highly applicable to molecule-based electronics.
- These techniques can probe crystallinity, 3D multiphasic distributions, and excited-state properties.
- Applicable across ultrashort to very long timescales.
Conclusions:
- Vibrational spectroscopy is a powerful tool for characterizing molecule-based electronic materials and devices.
- It provides critical information on structure, dynamics, and energetics.
- Essential for advancing the field of molecular electronics.
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