柔性自修复材料与传感器研究进展

Recent advances in flexible self-healing materials and sensors

赋予材料自修复能力是增强设备可靠性、耐用性和功能性的有效途径.对于柔性电子材料与设备来说,自修复功能尤为重要.本文总结了柔性自修复材料与传感器的研究进展.首先介绍并讨论了自修复聚合物的主要修复机制,包括本征型自修复和外援型自修复,并详细介绍了自修复柔性导电材料的研究进展.在此基础上,介绍并讨论了自修复柔性传感器,尤其是自修复柔性力学传感器的构建方法、传感及自修复性能.最后,讨论了柔性自修复材料和传感器的现有挑战和解决方案.

Endowing devices with the self-healing capacity is an effective approach to enhance their reliability,durability,and functionality,especially for flexible electronic materials and devices.This article reviews the developments in the field of flexible self-healing materials and sensors.This review first introduces the self-healing mechanism of intrinsic and extrinsic polymers,and the advances in self-healing flexible conductive materials are discussed briefly.Then,the fabrication techniques,sensing performance,and healing performance of the newly developed flexible self-healing sensors,especially the flexible self-healing force sensors,are described in detail.Finally,the existing challenges and some possible solutions for flexible self-healing materials and sensors are discussed.