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A review on conjugated polymer-based electronic tongues.
Parastoo Vahdatiyekta1, Mohammed Zniber1, Johan Bobacka1
1Laboratory of Molecular Science and Engineering, Åbo Akademi University, Henriksgatan 2, 20500, Turku, Finland.
Analytica Chimica Acta
|August 7, 2022
Summary
This review highlights conjugated polymer-based electronic tongues (CPETs), which mimic biological taste systems. These advanced sensors utilize polymers like polypyrrole and polyaniline for enhanced chemical analysis.
Area of Science:
- Analytical Chemistry
- Materials Science
Background:
- Electronic tongues (e-tongues) are bio-mimicking sensor arrays for chemical analysis.
- Conjugated polymers (CPs) offer unique electrical properties and tunable chemistry for sensor development.
- Polypyrrole (PPy), polyaniline (PANI), polythiophene (PT), and poly(3,4-ethylenedioxythiophene) (PEDOT) are key CPs in e-tongue technology.
Purpose of the Study:
- To review major advancements in conjugated polymer-based electronic tongues (CPETs).
- To summarize the application of specific CPs in e-tongues over the last two decades.
Main Methods:
- Review of scientific literature focusing on CPETs.
- Analysis of studies utilizing PPy, PANI, PT, and PEDOT in e-tongue applications.
Main Results:
- CPs provide controllable electrical properties, facile preparation, and good stability for e-tongues.
- These polymers enhance the versatility and performance of e-tongue devices.
- Significant research has focused on PPy, PANI, PT, and PEDOT in e-tongue development.
Conclusions:
- Conjugated polymers are crucial materials for developing high-performance electronic tongues.
- Continued research into CPs will further optimize e-tongue capabilities for diverse chemical sensing applications.
