†Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 151-742, Republic of Korea.
‡School of Chemical and Biological Engineering and Institute of Chemical Processes, Seoul National University, Seoul 151-742, Republic of Korea.
ACS Nano. 2015 May 26;9(5):5585-93. doi: 10.1021/acsnano.5b01848. Epub 2015 Apr 23.
Electronics for wearable applications require soft, flexible, and stretchable materials and designs to overcome the mechanical mismatch between the human body and devices. A key requirement for such wearable electronics is reliable operation with high performance and robustness during various deformations induced by motions. Here, we present materials and device design strategies for the core elements of wearable electronics, such as transistors, charge-trap floating-gate memory units, and various logic gates, with stretchable form factors. The use of semiconducting carbon nanotube networks designed for integration with charge traps and ultrathin dielectric layers meets the performance requirements as well as reliability, proven by detailed material and electrical characterizations using statistics. Serpentine interconnections and neutral mechanical plane layouts further enhance the deformability required for skin-based systems. Repetitive stretching tests and studies in mechanics corroborate the validity of the current approaches.
可穿戴应用的电子设备需要柔软、灵活和可拉伸的材料和设计，以克服人体与设备之间的机械不匹配。这种可穿戴电子产品的一个关键要求是在运动引起的各种变形下具有可靠的高性能和鲁棒性操作。在这里，我们提出了用于可穿戴电子设备核心元件的材料和器件设计策略，例如晶体管、电荷陷阱浮栅存储单元和各种逻辑门，具有可拉伸的形式因素。用于与电荷陷阱集成的半导体碳纳米管网络和超薄介电层的使用满足了性能要求以及可靠性，这通过使用统计学进行详细的材料和电气特性得到了证明。蛇形互连和中性机械平面布局进一步增强了基于皮肤系统所需的可变形性。重复拉伸测试和力学研究证实了当前方法的有效性。
