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Nano Lett. 2013 Jun 12;13(6):2814-21. doi: 10.1021/nl401070p. Epub 2013 May 28.

High-performance, transparent, and stretchable electrodes using graphene-metal nanowire hybrid structures.

Author information

1
School of Nano-Bioscience and Chemical Engineering, School of Mechanical and Advanced Materials Engineering, Low-Dimensional Carbon Materials Center, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 689-798, Republic of Korea.

Abstract

Transparent electrodes that can remain electrically conductive and stable under large mechanical deformations are highly desirable for applications in flexible and wearable electronics. This paper describes a comprehensive study of the electrical, optical, and mechanical properties of hybrid nanostructures based on two-dimensional graphene and networks of one-dimensional metal nanowires, and their use as transparent and stretchable electrodes. Low sheet resistance (33 Ω/sq) with high transmittance (94% in visible range), robust stability against electric breakdown and oxidation, and superb flexibility (27% in bending strain) and stretchability (100% in tensile strain) are observed, and these multiple functionalities of the hybrid structures suggest a future promise for next generation electronics. The use of hybrid electrodes to fabricate oxide semiconductor transistors and single-pixel displays integrated on wearable soft contact lenses with in vivo tests are demonstrated.

PMID:
23701320
DOI:
10.1021/nl401070p
[Indexed for MEDLINE]

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