Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC, 27695-7910, USA.
Adv Mater. 2015 Mar 4;27(9):1480-511. doi: 10.1002/adma.201404446. Epub 2015 Jan 26.
Stretchable electronics are attracting intensive attention due to their promising applications in many areas where electronic devices undergo large deformation and/or form intimate contact with curvilinear surfaces. On the other hand, a plethora of nanomaterials with outstanding properties have emerged over the past decades. The understanding of nanoscale phenomena, materials, and devices has progressed to a point where substantial strides in nanomaterial-enabled applications become realistic. This review summarizes recent advances in one such application, nanomaterial-enabled stretchable conductors (one of the most important components for stretchable electronics) and related stretchable devices (e.g., capacitive sensors, supercapacitors and electroactive polymer actuators), over the past five years. Focusing on bottom-up synthesized carbon nanomaterials (e.g., carbon nanotubes and graphene) and metal nanomaterials (e.g., metal nanowires and nanoparticles), this review provides fundamental insights into the strategies for developing nanomaterial-enabled highly conductive and stretchable conductors. Finally, some of the challenges and important directions in the area of nanomaterial-enabled stretchable conductors and devices are discussed.
可拉伸电子产品由于在许多领域具有广阔的应用前景而受到了广泛关注，这些领域中的电子设备会经历大变形和/或与曲线表面紧密接触。另一方面，过去几十年出现了大量具有优异性能的纳米材料。对纳米尺度现象、材料和器件的理解已经取得了很大的进展，使得基于纳米材料的应用取得了实质性的进展。这篇综述总结了过去五年中在这样的一个应用领域——纳米材料助力的可拉伸导体（可拉伸电子产品最重要的组件之一）和相关的可拉伸器件（如电容式传感器、超级电容器和电活性聚合物致动器）——的最新进展。综述重点介绍了自下而上合成的碳纳米材料（如碳纳米管和石墨烯）和金属纳米材料（如金属纳米线和纳米颗粒），为开发基于纳米材料的高导电和可拉伸导体提供了基本的见解。最后，讨论了纳米材料助力的可拉伸导体和器件领域的一些挑战和重要方向。
