NER: Micromechanical Actuators Constructed from Polymer/Carbon Nanotube Composites

NER：由聚合物/碳纳米管复合材料制成的微机械执行器

• 批准号: 0403495
• 负责人: William Euler
• 金额: $ 10万
• 依托单位: University of Rhode Island
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2004
• 资助国家: 美国
• 起止时间: 2004-07-01 至 2006-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0403495&HistoricalAwards=false
• 关键词: NER; Micromechanical; Actuators; Constructed; Polymer

PROPOSAL NO: 0403495INSTITUTION: U of Rhode IslandPRINCIPAL INVESTIGATOR: Euler , WilliamTITLE: NER: Micromechanical Actuators Constructed from Polymer/Carbon Nanotube CompositesAbstract:Actuators are devices that convert an input form of energy into mechanical motion. An common example is muscle tissue, which converts chemical energy into biological movement. In this research project, materials will be studied that convert either electrical energy or light energy into a bending motion. Such devices may have application in areas such as sensors or switches and can be adapted to the micro- or nanoscale.The electrical actuators are made from nafion sandwiched between layers of carbon nanotubes. The carbon nanotube layers act as electrodes for electrical input. When current is supplied, the composite bends towards the positive electrode or can be made to oscillate if an alternating current is used. The research activities will be aimed at understanding the mechanism of this behavior so that an optimal structure can be devised and tested. In contrast, the light driven actuator is composed of only two layers: nafion and carbon nanotubes. When light is shined on this bilayer, the composite bends toward the nafion layer, independent of the orientation of the light source. Such a mode of action is unprecedented. The research will be designed to begin to understand the underlying source for this physical behavior.

提案编号：0403495 Institution：Rhode Islandprincipal研究员U：Williamtitle Euler：NER：由聚合物/碳纳米管复合物摘要构建的微机械执行器：操纵器是将能量的输入形式转化为机械运动的设备。一个常见的例子是肌肉组织，它将化学能转化为生物运动。在该研究项目中，将研究将电能或光能转换为弯曲运动的材料。此类设备可能在传感器或开关等区域具有应用，并且可以适用于微观或纳米级。电动执行器由碳纳米管层之间的Nafion制成。碳纳米管层充当电输入的电极。当提供电流时，复合材料会朝正极电极弯曲，或者如果使用交替的电流，则可以使其振荡。研究活动将旨在理解这种行为的机制，以便可以设计和测试最佳结构。相比之下，光驱动的执行器仅由两层组成：Nafion和碳纳米管。当光在该双层上闪耀时，复合材料朝Nafion层弯曲，与光源的方向无关。这种行动方式是前所未有的。该研究将旨在开始了解这种身体行为的基本来源。