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Highly Sensitive Artificial Skin Perception Enabled by a Bio-inspired Interface
ACS Sensors ( IF 8.9 ) Pub Date : 2023-03-16 , DOI: 10.1021/acssensors.2c02743
Chao Lu 1 , Xi Chen 2 , Xiaohong Zhang 3
Affiliation  

Piezoionic strain sensors have attracted enormous attention in artificial skin perception because of high sensitivity, lightweight, and flexibility. However, their sensing properties are limited by a weak material interface based on physical adhesion, which usually leads to fast performance deterioration under mechanical conditions. In this work, a bio-inspired interface has been reported based on an in situ growth strategy and then utilized for piezoionic sensor assembly. The robust coupling interface provides fast kinetic of ion transfer and prevents interface slippage under external strains. The as-fabricated sensors give high sensing voltage with high sensitivity. It delivers excellent cycling stability with performance retention above 90% over thousands of bending cycles in air. Further, the sensors have been explored as an effective platform for skin perception, and many detections can be realized within our devices, such as skin touch, eye movement, cheek bulging, and finger movement.

中文翻译:

仿生界面实现高度敏感的人造皮肤感知

压电应变传感器由于具有高灵敏度、轻便和灵活等优点,在人造皮肤感知领域引起了极大的关注。然而,它们的传感特性受到基于物理粘附的弱材料界面的限制,这通常会导致在机械条件下性能快速下降。在这项工作中,基于原位生长策略报告了一种仿生界面,然后将其用于压电传感器组装。坚固的耦合界面提供快速的离子转移动力学,并防止在外部应变下界面滑动。制造的传感器提供高感测电压和高灵敏度。它提供出色的循环稳定性,在空气中数千次弯曲循环后性能保持率超过 90%。更远,
更新日期:2023-03-16
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