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Micromachines 2019, 10(2), 113; https://doi.org/10.3390/mi10020113

Self-Healing Flexible Conductive Film by Repairing Defects via Flowable Liquid Metal Droplets

1
National Center for International Research on Green Optoelectronics, South China Normal University, Guangzhou 510006, China
2
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
*
Author to whom correspondence should be addressed.
Received: 10 December 2018 / Revised: 18 January 2019 / Accepted: 1 February 2019 / Published: 11 February 2019
(This article belongs to the Special Issue Optofluidics 2018)
Full-Text   |   PDF [2345 KB, uploaded 11 February 2019]   |  

Abstract

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. View Full-Text
Keywords: liquid metal; conductive film; self-healing; electrowetting liquid metal; conductive film; self-healing; electrowetting
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Niu, R.; Jin, M.; Cao, J.; Yan, Z.; Gao, J.; Wu, H.; Zhou, G.; Shui, L. Self-Healing Flexible Conductive Film by Repairing Defects via Flowable Liquid Metal Droplets. Micromachines 2019, 10, 113.

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