材料科学
电介质
聚乙二醇
无定形固体
制作
聚合物
复合材料
相变
相(物质)
氟化物
化学工程
光电子学
有机化学
病理
工程类
物理
无机化学
化学
医学
替代医学
量子力学
作者
Weijie Zhou,Yutie Gong,Hairong Li,Jing Huang,Qiongxin Liu,Wei Wang,Xiaoyuan Qu,Ming Jiang,Jiuxiao Sun
摘要
Abstract Thermo‐responsive dielectric materials have attracted broad attention in smart electronic device applications. Here, we present a facile one‐step fabrication technique of thermo‐responsive dielectric fibrous mats via efficient solution blow spinning of poly (vinylidene fluoride)/polyethylene glycol (PVDF/PEG). A strong room‐temperature dielectric pulse is triggered by thermally induced crystalline–amorphous phase transition of the PEG. The PVDF, serving as a host, enables the fibrous mats not only to attain solid–solid phase transition but also to spontaneously provide the self‐supportability. The dielectric pulse mechanism in PVDF/PEG based on crystalline–amorphous phase transition is clearly demonstrated. The all‐polymer dielectric pulsing composites hold great potential in next‐generation electronic engineering, exemplified by the creation of flexible, long‐service‐life, and low‐cost smart electrical devices.
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