Pillar[6]arene-Modified Electrodes for Electrocatalysis
Author Information
Author(s): Helena Roithmeyer, Jan Bühler, Olivier Blacque, Tuncay Isik, Thomas Moehl, Cristiano Invernizzi, Florian Keller, Marcella Iannuzzi, S. David Tilley
Primary Institution: University of Zurich
Hypothesis
Can pillar[6]arene-modified electrodes maintain stability and catalytic activity over a wide pH range?
Conclusion
Pillar[6]arene-modified electrodes can perform electrocatalytic reactions across a broad pH range and can be reused after reabsorption of the catalyst.
Supporting Evidence
- Pillar[6]arene-modified electrodes showed catalytic activity for both alcohol and ammonia oxidation.
- The electrodes maintained stability over a pH range of 2.4 to 10.8.
- Reabsorption of the catalyst after degradation allowed for reuse of the electrodes.
- Electrocatalytic reactions were successfully performed in both acidic and basic conditions.
Takeaway
Scientists created special electrodes that can work in different acidic and basic conditions, and they can be reused after cleaning them.
Methodology
The study involved modifying mesoporous indium tin oxide electrodes with pillar[6]arene and testing their catalytic activity for alcohol and ammonia oxidation.
Limitations
The stability of the modified electrodes decreases at very low and high pH levels.
Digital Object Identifier (DOI)
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