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Human Skin-Inspired Electrospun Patterned Robust Strain-Insensitive Pressure Sensors and Wearable Flexible Light-Emitting Diodes
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2022-06-24 , DOI: 10.1021/acsami.2c04916
Loganathan Veeramuthu, Chia-Jung Cho, Fang-Cheng Liang, Manikandan Venkatesan, Ranjith Kumar G, Hua-Yi Hsu, Ren-Jei Chung, Chen-Hung Lee, Wen-Ya Lee, Chi-Ching Kuo

Wearable skin-inspired electronic skins present remarkable outgrowth in recent years because their promising comfort device integration, lightweight, and mechanically robust durable characteristics led to significant progresses in wearable sensors and optoelectronics. Wearable electronic devices demand real-time applicability and factors such as complex fabrication steps, manufacturing cost, and reliable and durable performances, severely limiting the utilization. Herein, we nominate a scalable solution-processable electrospun patterned candidate capable of forming ultralong mechanically robust nano–microdimensional fibers with higher uniformity. Nanofibrous patterned substrates present surface energy and silver nanoparticle crystallization shifts, contributing to strain-sensitive and -insensitive conductive electrodes (10 000 cycles of 50% strain). Synergistic robust stress releasing and durable electromechanical behavior engenders stretchable durable health sensors, strain-insensitive pressure sensors (sensitivity of ∼83 kPa–1 and 5000 durable cycles), robust alternating current electroluminescent displays, and flexible organic light-emitting diodes (20% improved luminescence and 300 flex endurance of 2 mm bend radius).

中文翻译:

人体皮肤启发的静电纺丝图案鲁棒应变不敏感压力传感器和可穿戴柔性发光二极管

近年来,受皮肤启发的可穿戴电子皮肤出现了显着的增长,因为它们有希望的舒适设备集成、重量轻和机械坚固耐用的特性导致可穿戴传感器和光电子学取得重大进展。可穿戴电子设备需要实时适用性和复杂的制造步骤、制造成本以及可靠耐用的性能等因素,严重限制了其应用。在此,我们提名了一种可扩展的可溶液加工的静电纺丝图案化候选物,该候选物能够形成具有更高均匀性的超长机械稳健纳米微维纤维。纳米纤维图案基板呈现表面能和银纳米颗粒结晶位移,有助于应变敏感和不敏感的导电电极(50% 应变的 10 000 次循环)。协同稳健的应力释放和持久的机电行为产生可拉伸的耐用健康传感器、应变不敏感的压力传感器(灵敏度约为 83 kPa–1和 5000 次耐用循环)、坚固的交流电致发光显示器和柔性有机发光二极管(发光性能提高 20%,弯曲半径为 2 mm 时可弯曲 300 次)。
更新日期:2022-06-24
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