Lattice-contraction triggered synchronous electrochromic actuator.
Lattice-contraction triggered synchronous electrochromic actuator.
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晶格收缩触发同步电致变色致动器
DOI:
10.1038/s41467-018-07241-7
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发表时间:
2018-11-15
影响因子:
16.6
通讯作者:
Wang H
中科院分区:
文献类型:
--
作者:
Li K;Shao Y;Yan H;Lu Z;Griffith KJ;Yan J;Wang G;Fan H;Lu J;Huang W;Bao B;Liu X;Hou C;Zhang Q;Li Y;Yu J;Wang H
Materials with synchronous capabilities of color change and actuation have prospects for application in biomimetic dual-stealth camouflage and artificial intelligence. However, color/shape dual-responsive devices involve stimuli that are difficult to control such as gas, light or magnetism, and the devices show poor coordination. Here, a flexible composite film with electrochromic/actuating (238° bending angle) dual-responsive phenomena, excellent reversibility, high synchronization, and fast response speed (< 5 s) utilizes a single active component, W18O49nanowires. From in situ synchrotron X-ray diffraction, first principles calculations/numerical simulations, and a series of control experiments, the actuating mechanism for macroscopic deformation is elucidated as pseudocapacitance-based reversible lattice contraction/recovery of W18O49nanowires (i.e. nanostructure change at the atomic level) during lithium ion intercalation/de-intercalation. In addition, we demonstrate the W18O49nanowires in a solid-state ionic polymer-metal composite actuator that operates stably in air with a significant pseudocapacitive actuation.
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影响因子:
29.4
作者:
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通讯作者:
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影响因子:
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Chou HH;Nguyen A;Chortos A;To JW;Lu C;Mei J;Kurosawa T;Bae WG;Tok JB;Bao Z
通讯作者:
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影响因子:
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通讯作者:
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