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Actuator Using Electrostriction Effect of Fullerenol-Doped Polyurethane Elastomer (PUE) Films
Jun KYOKANE Kenji TSUJIMOTO Yuki YANAGISAWA Tsutomu UEDA Masumi FUKUMA
IEICE TRANSACTIONS on Electronics
Publication Date: 2004/02/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Recent Progress of Organic Molecular Electronics)
Category: Nano-interface Controlled Electronic Devices
polyurethane elastomer films, electrostriction effect, actuators, monomorph type, C60 and derivatives, control of morphology, space charge,
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Polyurethane elastomer (PUE) films similar to polymer gel materials have been found to exhibit the electrostriction effect. We proposed the application their to a moving device such as an actuator without ionic solvent using the electrostriction effect of PUE. The actuators are of monomorph type fabricated by PUE film and metal electrodes evaporated at different thicknesses on the film surface. Because these actuators work at high voltage more than 1 KV, we controlled the molecular structure of the films by doping C60 derivatives (fullerenol) into PUE so that the actuators could operate under a low voltage. In order to clear the bending mechanism of actuators, we measured the space charge of PUE films using the pulsed electroacoustic method.