Electromechanical actuation of CNT/PVDF composite films based on a bridge configuration

Bridged strips consisting of carbon nanotubes and poly（vinylidene fluoride） are developed, which exhibit notable deflection in response to very low driven voltages（ 1 V）, because of both the excellent conductivity of the unique carbon nanotube film and the powerful thermal expansion capability of th...

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Published inChinese physics B Vol. 26; no. 7; pp. 413 - 419
Main Author 谷孝刚 夏小刚 张楠 肖卓建 范庆霞 杨丰 肖仕奇 陈辉亮 周维亚 解思深
Format Journal Article
LanguageEnglish
Published 01.06.2017
Subjects
PVDF
复合薄膜
微型发电机
桥结构
热膨胀性能
电驱动
碳纳米管薄膜
驱动电压
Online AccessGet full text
ISSN1674-1056
2058-3834
DOI10.1088/1674-1056/26/7/078101

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Abstract Bridged strips consisting of carbon nanotubes and poly（vinylidene fluoride） are developed, which exhibit notable deflection in response to very low driven voltages（ 1 V）, because of both the excellent conductivity of the unique carbon nanotube film and the powerful thermal expansion capability of the polymer. The actuators demonstrate periodic vibrations motivated by the alternating signals. The amplitude of displacement is dependent not only on the driven voltage but also on the applied frequency. The mechanism of actuation is confirmed to be the thermal power induced by the electrical heating. By accelerating the dissipation of heat, the vibration response at higher frequencies can be significantly enhanced.The useful locomotion shows great promise in potential applications such as miniature smart devices and micro power generators.
AbstractList Bridged strips consisting of carbon nanotubes and poly（vinylidene fluoride） are developed, which exhibit notable deflection in response to very low driven voltages（ 1 V）, because of both the excellent conductivity of the unique carbon nanotube film and the powerful thermal expansion capability of the polymer. The actuators demonstrate periodic vibrations motivated by the alternating signals. The amplitude of displacement is dependent not only on the driven voltage but also on the applied frequency. The mechanism of actuation is confirmed to be the thermal power induced by the electrical heating. By accelerating the dissipation of heat, the vibration response at higher frequencies can be significantly enhanced.The useful locomotion shows great promise in potential applications such as miniature smart devices and micro power generators.
Author 谷孝刚 夏小刚 张楠 肖卓建 范庆霞 杨丰 肖仕奇 陈辉亮 周维亚 解思深
AuthorAffiliation Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China Beijing Key Laboratory for Advanced Functional Materials and Structure Research, Beijing 100190, China University of Chinese Academy of Sciences, B eijing 100049, China
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Notes Xiaogang Gu1,2,3,Xiaogang Xia1,2,3,Nan Zhang1,3,Zhuojian Xiao1,2,3,Qingxia Fan1,3,Feng Yang1,2,3,Shiqi Xiao1,2,3,Huiliang Chen1,2,3,Weiya Zhou1,2,3,Sishen Xie1,2,3（ 1Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China ; 2 Beijing Key Laboratory for Advanced Functional Materials and Structure Research, Beijing 100190, China ; 3 University of Chinese Academy of Sciences, B eijing 100049, China）
Bridged strips consisting of carbon nanotubes and poly（vinylidene fluoride） are developed, which exhibit notable deflection in response to very low driven voltages（ 1 V）, because of both the excellent conductivity of the unique carbon nanotube film and the powerful thermal expansion capability of the polymer. The actuators demonstrate periodic vibrations motivated by the alternating signals. The amplitude of displacement is dependent not only on the driven voltage but also on the applied frequency. The mechanism of actuation is confirmed to be the thermal power induced by the electrical heating. By accelerating the dissipation of heat, the vibration response at higher frequencies can be significantly enhanced.The useful locomotion shows great promise in potential applications such as miniature smart devices and micro power generators.
carbon nanotube; poly（vinylidene fluoride）; actuator; thermal expansion
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SubjectTerms PVDF
复合薄膜
微型发电机
桥结构
热膨胀性能
电驱动
碳纳米管薄膜
驱动电压
Title Electromechanical actuation of CNT/PVDF composite films based on a bridge configuration
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