材料科学
标度系数
硫系化合物
灵活性(工程)
热电效应
制作
复合数
应变计
复合材料
光电子学
纳米技术
热力学
病理
物理
数学
替代医学
医学
统计
作者
Yanqing Fu,Shiliang Kang,Guofeng Xiang,Chenyi Su,Chengwei Gao,Linling Tan,Hao Gu,Shengpeng Wang,Zhuanghao Zheng,Shixun Dai,Changgui Lin
标识
DOI:10.1002/adma.202313101
摘要
Skin-like thermoelectric (TE) films with temperature- and strain-sensing functions are highly desirable for human-machine interaction systems and wearable devices. However, current TE films still face challenges in achieving high flexibility and excellent sensing performance simultaneously. Herein, for the first time, a facile roll-to-roll strategy is proposed to fabricate an ultraflexible chalcogenide glass-polytetrafluoroethylene composite film with superior temperature- and strain-sensing performance. The unique reticular network of the composite film endows it with efficient Seebeck effect and flexibility, leading to a high Seebeck coefficient (731 µV/K), rapid temperature response (≈0.7 s), and excellent strain sensitivity (gauge factor = 836). Based on this high-performance composite film, an intelligent robotic hand for action feedback and temperature alarm is fabricated, demonstrating its great potential in human-machine interaction. Such TE film fabrication strategy not only brings new inspiration for wearable inorganic TE devices, but also sets the stage for a wide implementation of multifunctional human-machine interaction systems.
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