Journal
NANO LETTERS
Volume 13, Issue 6, Pages 2814-2821Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl401070p
Keywords
Nanowires; graphene; hybrid; transparent electrodes; stretchable electronics
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Funding
- National Research Foundation of Korea [20110014111]
- Ministry of Knowledge Economy through the Materials Original Technology Program [10041222]
- IT RD program [10041416]
- New & Renewable Energy Technology Development Program [20113020010060]
- UNIST
- Samsung Display through the Research Fund [1.120001.01]
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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 Omega/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.
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