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Bioinspired Interface-Guided Conformal Janus Membranes with Enhanced Adhesion for Flexible Multifunctional Electronics
Chemistry of Materials ( IF 8.6 ) Pub Date : 2022-06-21 , DOI: 10.1021/acs.chemmater.2c01008
Xueyu Wang 1, 2 , Shan Li 1, 2 , Peng Xiao 1, 2 , Jiang He 3, 4 , Wei Zhou 1, 2 , Qiling Wang 1, 2 , Shengqian Zhu 5 , Peng Wei 5 , Tao Chen 1, 2
Affiliation  

The realization of conformal and reliable adhesion on textured surfaces has drawn considerable interest for precise and stable monitoring of diverse motion behaviors. However, it still remains a challenge for the achievement of skinlike membranes with favorable conformality and adhesion features in a facile and efficient way. In this work, we propose an interface-enabled approach to develop elastic and conductive Janus membranes with a controllable partially cured elastomeric layer for high conformity and adjustable adhesive property. The Janus membrane on the water surface can be readily transferred onto the targeted planar and nonplanar surfaces for final complete curing with improved adhesion. The achieved membrane can be integrated into wearable conformal electronics to effectively detect and differentiate the forward/reverse deformation of fingers with high signal stability. Moreover, it can highly adapt to the hierarchically creased paper surface for the real-time detection of the paper-folding behavior. Inspired by the wrinkled structure of the elephant trunk, an artificial wrinkled trunk was designed for motion detection. The conformal membrane on the wrinkled trunk can experience reversible contacted and/or stretched state for trunk motion behavior detection.

中文翻译:

用于柔性多功能电子产品的具有增强粘附力的仿生界面引导保形 Janus 膜

在纹理表面上实现保形和可靠的粘附引起了人们对精确和稳定监测各种运动行为的极大兴趣。然而,以简便有效的方式实现具有良好保形性和粘附性的类皮肤膜仍然是一个挑战。在这项工作中,我们提出了一种界面启用方法来开发具有可控制的部分固化弹性体层的弹性和导电 Janus 膜,以实现高一致性和可调节的粘合性能。水面上的 Janus 膜可以很容易地转移到目标平面和非平面表面上,以便最终完全固化并提高附着力。所获得的膜可以集成到可穿戴保形电子设备中,以有效地检测和区分手指的正向/反向变形,具有高信号稳定性。此外,它可以高度适应分层折痕的纸张表面,用于实时检测纸张折叠行为。受象鼻皱褶结构的启发,设计了一种用于运动检测的人造皱褶树干。皱褶躯干上的保形膜可以经历可逆的接触和/或拉伸状态,用于躯干运动行为检测。人造皱纹树干被设计用于运动检测。皱褶躯干上的保形膜可以经历可逆的接触和/或拉伸状态,用于躯干运动行为检测。人造皱纹树干被设计用于运动检测。皱褶躯干上的保形膜可以经历可逆的接触和/或拉伸状态,用于躯干运动行为检测。
更新日期:2022-06-21
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