通过可流动液态金属微滴修复缺陷实现自愈合的柔性导电薄膜
Self-Healing Flexible Conductive Film by Repairing Defects via Flowable Liquid Metal Droplets.
作者信息
Niu Ruiwen, Jin Mingliang, Cao Jieping, Yan Zhibin, Gao Jinwei, Wu Hao, Zhou Guofu, Shui Lingling
机构信息
National Center for International Research on Green Optoelectronics, South China Normal University, Guangzhou 510006, China.
Guangdong Provincial Key Laboratory of Optical Information Materials and Technology and Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China.
出版信息
Micromachines (Basel). 2019 Feb 11;10(2):113. doi: 10.3390/mi10020113.
Self-healing flexible conductive films have been fabricated, evaluated, and applied. The film is composed of a fragile indium tin oxide (ITO) layer covered with sprayed liquid metal (LM) droplets. Self-healing of electrical conductivity is achieved via spontaneous capillary wicking of LM droplets into cracks/defects of the ITO film. The liquid metal adhering onto the ITO layer can also connect the ITO fragments during bending to keep the overall conductivity of the composite LM/ITO film stable. Stable and reversible electrowetting performance has been achieved with the composite LM/ITO as the conductive film, in either flat or curved states.
自修复柔性导电薄膜已被制备、评估和应用。该薄膜由覆盖有喷涂液态金属（LM）微滴的易碎氧化铟锡（ITO）层组成。通过LM微滴自发的毛细管虹吸作用进入ITO薄膜的裂缝/缺陷中来实现电导率的自修复。附着在ITO层上的液态金属在弯曲过程中也可以连接ITO碎片，以保持复合LM/ITO薄膜的整体电导率稳定。以复合LM/ITO作为导电薄膜，无论是在平面状态还是弯曲状态下，都实现了稳定且可逆的电润湿性能。
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