Mechanoreceptors in human skin possess high sensitivity, wide sensing range, and high sensing resolution for external stimuli. Several attempts have been made to implement electronic skin (e‐skin) that can mimic human skin. However, previous attempts are limited by the fundamental resolution problem arising from the use of film‐like materials generated through pouring and spinning processes. Here, an all‐printed e‐skin based on deformable ionic mechanotransducer array (IMA) inspired by the physiological tactile sensing mechanism and the geometric features of mechanoreceptors in human skin is described. First, an ionic mechanotransduction channel is emulated with a piezocapacitive ionic mechanosensory system that engages in ion migration when the polymer matrix is deformed under a mechanical non‐equilibrium state. Furthermore, the versatile shapes of the artificial mechanotransducer are tuned by the printing process variables, which results in high sensitivity (2.65 nF kPa⁻¹) and high resolution (13.22 cm⁻²) of the device. It is demonstrated that this IMA is fully bio‐inspired by the mechanotransduction and papillary structure of the mechanoreceptors. A high‐resolution e‐skin with a deformable and transparent IMA, which is fabricated by an all‐printing methodology, will open up a new market in the field of soft and stretchable sensory platforms.

中文翻译：

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基于可变形和离子机械换能器阵列的全印刷电子皮肤。

人体皮肤中的机械感受器对外界刺激具有高灵敏度、宽传感范围和高传感分辨率。已经进行了几次尝试来实现可以模仿人类皮肤的电子皮肤（e-skin）。然而，之前的尝试受到使用通过浇注和纺丝过程产生的薄膜状材料所引起的基本分辨率问题的限制。在这里，描述了一种基于可变形离子机械传感器阵列（IMA）的全印刷电子皮肤，其灵感来自生理触觉传感机制和人体皮肤机械感受器的几何特征。首先，当聚合物基质在机械非平衡状态下变形时，用压电电容离子机械传感系统模拟离子机械转导通道，该系统参与离子迁移。此外，^-1 ) 和器件的高分辨率 (13.22 cm ^-2 )。结果表明，该 IMA 完全受机械感受器的机械转导和乳头状结构的启发。采用全印刷方法制造的具有可变形透明 IMA 的高分辨率电子皮肤，将在柔软可拉伸的感官平台领域开辟新的市场。