Radio-frequency characteristics of graphene oxide

Whan Kyun Kim, Young Mo Jung, Joon Hyong Cho, Ji Yoong Kang, Ju Yeong Oh, Hosung Kang, Hee Jo Lee, Jae Hun Kim, Seok Lee, H. J. Shin, J. Y. Choi, S. Y. Lee, Y. C. Kim, I. T. Han, J. M. Kim, Jong Gwan Yook, Seunghyun Baik, Seong Chan Jun

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Abstract

We confirm graphene oxide, a two-dimensional carbon structure at the nanoscale level can be a strong candidate for high-efficient interconnector in radio-frequency range. In this paper, we investigate high frequency characteristics of graphene oxide in range of 0.5-40 GHz. Radio-frequency transmission properties were extracted as S-parameters to determine the intrinsic ac transmission of graphene sheets, such as the impedance variation dependence on frequency. The impedance and resistance of graphene sheets drastically decrease as frequency increases. This result confirms graphene oxide has high potential for transmitting signals at gigahertz ranges.

Original languageEnglish
Article number193103
JournalApplied Physics Letters
Volume97
Issue number19
DOIs
Publication statusPublished - 2010 Nov 8

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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    Kim, W. K., Jung, Y. M., Cho, J. H., Kang, J. Y., Oh, J. Y., Kang, H., Lee, H. J., Kim, J. H., Lee, S., Shin, H. J., Choi, J. Y., Lee, S. Y., Kim, Y. C., Han, I. T., Kim, J. M., Yook, J. G., Baik, S., & Jun, S. C. (2010). Radio-frequency characteristics of graphene oxide. Applied Physics Letters, 97(19), [193103]. https://doi.org/10.1063/1.3506468