材料科学
碳纳米管
执行机构
电极
布基纸
人工肌肉
纳米技术
电活性聚合物
电压
各向异性
复合材料
聚合物
光电子学
机械工程
弯曲
计算机科学
电气工程
人工智能
物理化学
工程类
物理
化学
量子力学
作者
Qingwei Li,Changhong Liu,Yuan‐Hua Lin,Liang Liu,Kaili Jiang,Shanhui Fan
出处
期刊:ACS Nano
[American Chemical Society]
日期:2015-01-08
卷期号:9 (1): 409-418
被引量:161
摘要
Many electroactive polymer (EAP) actuators use diverse configurations of carbon nanotubes (CNTs) as pliable electrodes to realize discontinuous, agile movements, for CNTs are conductive and flexible. However, the reported CNT-based EAP actuators could only accomplish simple, monotonous actions. Few actuators were extended to complex devices because efficiently preparing a large-area CNT electrode was difficult, and complex electrode design has not been carried out. In this work, we successfully prepared large-area CNT paper (buckypaper, BP) through an efficient approach. The BP is highly anisotropic, strong, and suitable as flexible electrodes. By means of artful graphic design and processing on BP, we fabricated various functional BP electrodes and developed a series of BP-polymer electrothermal actuators (ETAs). The prepared ETAs can realize various controllable movements, such as large-stain bending (>180°), helical curling (∼ 630°), or even bionic actuations (imitating human-hand actions). These functional and interesting movements benefit from flexible electrode design and the anisotropy of BP material. Owing to the advantages of low driving voltage (20-200 V), electrolyte-free and long service life (over 10000 times), we think the ETAs will have great potential applications in the actuator field.
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