Guan Ying-Shi, Thukral Anish, Zhang Shun, Sim Kyoseung, Wang Xu, Zhang Yongcao, Ershad Faheem, Rao Zhoulyu, Pan Fengjiao, Wang Peng, Xiao Jianliang, Yu Cunjiang
Department of Mechanical Engineering, University of Houston, Houston, TX 77204, USA.
Department of Mechanical Engineering, University of Colorado, Boulder, CO 80303, USA.
Sci Adv. 2020 Sep 16;6(38). doi: 10.1126/sciadv.abb3656. Print 2020 Sep.
A rubber-like stretchable semiconductor with high carrier mobility is the most important yet challenging material for constructing rubbery electronics and circuits with mechanical softness and stretchability at both microscopic (material) and macroscopic (structural) levels for many emerging applications. However, the development of such a rubbery semiconductor is still nascent. Here, we report the scalable manufacturing of high-performance stretchable semiconducting nanofilms and the development of fully rubbery transistors, integrated electronics, and functional devices. The rubbery semiconductor is assembled into a freestanding binary-phased composite nanofilm based on the air/water interfacial assembly method. Fully rubbery transistors and integrated electronics, including logic gates and an active matrix, were developed, and their electrical performances were retained even when stretched by 50%. An elastic smart skin for multiplexed spatiotemporal mapping of physical pressing and a medical robotic hand equipped with rubbery multifunctional electronic skin was developed to show the applications of fully rubbery-integrated functional devices.
一种具有高载流子迁移率的橡胶状可拉伸半导体，对于构建在微观（材料）和宏观（结构）层面都具有机械柔软性和可拉伸性的橡胶电子器件和电路来说，是最重要但也最具挑战性的材料，可用于许多新兴应用。然而，这种橡胶状半导体的发展仍处于初期阶段。在此，我们报告了高性能可拉伸半导体纳米薄膜的可扩展制造以及全橡胶晶体管、集成电子器件和功能器件的开发。这种橡胶状半导体基于空气/水界面组装方法组装成独立的双相复合纳米薄膜。我们开发了全橡胶晶体管和集成电子器件，包括逻辑门和有源矩阵，即使在拉伸50%时，它们的电学性能仍能保持。我们还开发了一种用于物理按压的多路时空映射的弹性智能皮肤以及配备橡胶状多功能电子皮肤的医疗机器人手，以展示全橡胶集成功能器件的应用。
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