Studies on the mechanical stretchability of transparent conductive film based on graphene-metal nanowire structures

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Abstract

Transparent electrodes with superior flexibility and stretchability as well as good electrical and optical properties are required for applications in wearable electronics with comfort designs and high performances. Here, we present hybrid nanostructures as stretchable and transparent electrodes based on graphene and networks of metal nanowires, and investigate their optical, electrical, and mechanical properties. High electrical and optical characteristics, superb bendability (folded in half), excellent stretchability (10,000 times in stretching cycles with 100% in tensile strain toward a uniaxial direction and 30% in tensile strain toward a multi-axial direction), strong robustness against electrical breakdown and thermal oxidation were obtained through comprehensive study. We believe that these results suggest a substantial promise application in future electronics.

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Lee, M. S., Kim, J., Park, J., & Park, J. U. (2015). Studies on the mechanical stretchability of transparent conductive film based on graphene-metal nanowire structures. Nanoscale Research Letters, 10(1). https://doi.org/10.1186/s11671-015-0748-z

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