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

Mi Sun Lee, Kyongsoo Lee, So Yun Kim, Heejoo Lee, Jihun Park, Kwang Hyuk Choi, Han Ki Kim, Dae Gon Kim, Dae Young Lee, Sungwoo Nam, Jang Ung Park

Research output: Contribution to journalArticle

470 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)2814-2821
Number of pages8
JournalNano letters
Volume13
Issue number6
DOIs
Publication statusPublished - 2013 Jun 12

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering

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    Lee, M. S., Lee, K., Kim, S. Y., Lee, H., Park, J., Choi, K. H., Kim, H. K., Kim, D. G., Lee, D. Y., Nam, S., & Park, J. U. (2013). High-performance, transparent, and stretchable electrodes using graphene-metal nanowire hybrid structures. Nano letters, 13(6), 2814-2821. https://doi.org/10.1021/nl401070p