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Paper Actuators Made with Cellulose and Hybrid Materials
AbstractRecently, cellulose has been re-discovered as a smart material that can be used as sensor and actuator materials, which is termed electro-active paper (EAPap). This paper reports recent advances in paper actuators made with cellulose and hybrid materials such as multi-walled carbon nanotubes, conducting polymers and ionic liquids. Two distinct actuator principles in EAPap actuators are demonstrated: piezoelectric effect and ion migration effect in cellulose. Piezoelectricity of cellulose EAPap is quite comparable with other piezoelectric polymers. But, it is biodegradable, biocompatible, mechanically strong and thermally stable. To enhance ion migration effect in the cellulose, polypyrrole conducting polymer and ionic liquids were nanocoated on the cellulose film. This hybrid cellulose EAPap nanocomposite exhibits durable bending actuation in an ambient humidity and temperature condition. Fabrication, characteristics and performance of the cellulose EAPap and its hybrid EAPap materials are illustrated. Also, its possibility for remotely microwave-driven paper actuator is demonstrated.
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Kim, J.; Yun, S.; Mahadeva, S.K.; Yun, K.; Yang, S.Y.; Maniruzzaman, M. Paper Actuators Made with Cellulose and Hybrid Materials. Sensors 2010, 10, 1473-1485.View more citation formats
Kim J, Yun S, Mahadeva SK, Yun K, Yang SY, Maniruzzaman M. Paper Actuators Made with Cellulose and Hybrid Materials. Sensors. 2010; 10(3):1473-1485.Chicago/Turabian Style
Kim, Jaehwan; Yun, Sungryul; Mahadeva, Suresha K.; Yun, Kiju; Yang, Sang Yeol; Maniruzzaman, Mohammad. 2010. "Paper Actuators Made with Cellulose and Hybrid Materials." Sensors 10, no. 3: 1473-1485.