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    题名 作者 年代 出处 被引量
1柔性压电材料及器件应用显示文摘压电材料由于其独特的机电耦合特性而被广泛应用到传感器和制动器等设备中。柔性电子技术是未来智能技术的重要支撑,然而,压电材料难以同时兼具柔性和高压电性能,这限制了压电材料在柔性电子领域的应用。总结了目前可用的柔性压电材料及其设计和制备方法,随后系统的总结了柔性压电材料在压力传感、能量收集和生物医学等方面的应用,最后评述了柔性压电材料发展的挑战和前景展望。刘洋 汪尧进 2022硅酸盐学报2022,50,3:5
2A Selective‑Response Hypersensitive Bio‑Inspired Strain Sensor Enabled by Hysteresis Effect and Parallel Through‑Slits Structures显示文摘Flexible strain sensors are promising in sensing minuscule mechanical signals,and thereby widely used in various advanced fields.However,the effective integration of hypersensitivity and highly selective response into one flexible strain sensor remains a huge challenge.Herein,inspired by the hysteresis strategy of the scorpion slit receptor,a bio-inspired flexible strain sensor(BFSS)with parallel through-slit arrays is designed and fabricated.Specifically,BFSS consists of conductive monolayer graphene and viscoelastic styrene–isoprene–styrene block copolymer.Under the synergistic effect of the bio-inspired slit structures and flexible viscoelastic materials,BFSS can achieve both hypersensitivity and highly selective frequency response.Remarkably,the BFSS exhibits a high gage factor of 657.36,and a precise identification of vibration frequencies at a resolution of 0.2 Hz through undergoing different morphological changes to high-frequency vibration and low-frequency vibration.Moreover,the BFSS possesses a wide frequency detection range(103 Hz)and stable durability(1000 cycles).It can sense and recognize vibration signals with different characteristics,including the frequency,amplitude,and waveform.This work,which turns the hysteresis effect into a'treasure,'can provide new design ideas for sensors for potential applications including human–computer interaction and health monitoring of mechanical equipment.Qun Wang Zhongwen Yao Changchao Zhang Honglie Song Hanliang Ding Bo Li Shichao Niu Xinguan Huang Chuanhai Chen Zhiwu Han Luquan Ren 2024Nano-Micro Letters2024,16,2:0
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