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Overtone Spectroscopy for Sensing─Recent Advances and Perspectives
Alina Karabchevsky1,2, Uzziel Sheintop1,2, Aviad Katiyi1,2
1School of Electrical and Computer Engineering, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel.
ACS Sensors
|September 20, 2022
Summary
Overtone spectroscopy offers new opportunities for label-free chemical and biological monitoring. Advancing this sensing technology requires overcoming current challenges and exploring new avenues for enhanced detection capabilities.
Area of Science:
- Analytical Chemistry
- Spectroscopy
- Chemical Sensing
Background:
- Overtone spectroscopy is an emerging technique with significant potential for chemical and biological sensing applications.
- Current applications are limited, and the full capabilities of overtone spectroscopy are yet to be realized.
Purpose of the Study:
- To provide an opinion on the current state and future opportunities of overtone spectroscopy for sensing.
- To highlight successful examples and identify challenges in advancing overtone spectroscopy-based sensors.
- To inspire further research and development in the field.
Main Methods:
- Perspective-based review of overtone spectroscopy in sensing.
- Analysis of existing spectroscopic strategies and their potential extensions.
- Discussion of challenges and future directions for technology advancement.
Main Results:
- Overtone spectroscopy enables chip-scale, label-free detection of toxic byproducts.
- Enhanced functionality for chemical and biological monitoring is achievable.
- Several successful examples of overtone spectroscopy sensors and detectors have been identified.
Conclusions:
- The potential of overtone spectroscopy for sensing is not fully exploited.
- Overcoming existing challenges is crucial for advancing the technology.
- New research avenues are needed to realize the full capabilities of overtone spectroscopy for enhanced monitoring.
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