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Ken Mukai, Dr. Kinji Asaka, Dr. Kenji Hata, Prof. Toribio Fernández Otero and Prof. Hideaki Oike High-Speed Carbon Nanotube Actuators Based on an Oxidation/Reduction Reaction Chemistry - A European Journal 17

Version of Record online: 8 AUG 2011 | DOI: 10.1002/chem.201003641

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High-speed actuators! Actuators with a high-speed response under a high-frequency (more than 100 Hz) applied square-wave voltage of ±2 V have been developed with an electrode composed of millimeter-long single-walled carbon nanotubes and ionic liquids. Detailed studies reveal that the high-speed response (see figure) originates from the electric current generated by an oxidation/reduction (redox) reaction in addition to electric double-layer charging.

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