Optically driven carbon nanotube actuators

Methods for actuating, actuator devices and methods for preparing an actuator device capable of converting optical energy into mechanical energy are provided. An actuator includes a carbon nanotube film having a first optical absorption coefficient and an actuation material having a second optical a...

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Bibliographische Detailangaben
Hauptverfasser:	PANCHAPAKESAN BALAJI, LU SHAOXIN
Format:	Patent
Sprache:	eng
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION MANUFACTURE OR TREATMENT OF NANOSTRUCTURES MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES NANOTECHNOLOGY PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	Methods for actuating, actuator devices and methods for preparing an actuator device capable of converting optical energy into mechanical energy are provided. An actuator includes a carbon nanotube film having a first optical absorption coefficient and an actuation material having a second optical absorption coefficient different from the first optical absorption coefficient. The actuator expands due to actuation by light. A carbon nanotube film is prepared by forming a carbon nanotube film on a substrate and forming a photoresist layer that exposes portions of the carbon nanotube film. The exposed portions are then etched to form an actuator device from the remaining carbon nanotube film.