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Author

Park, Jang-Ung
Flexible Nano-electronics & Biotechnology Lab
Research Interests
  • Wireless wearable electronics, flexible electronics, printed electronics, nano-bio interfaces

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Synthesis of monolithic graphene-graphite integrated electronics

Cited 67 times inthomson ciCited 52 times inthomson ci
Title
Synthesis of monolithic graphene-graphite integrated electronics
Author
Park, Jang-UngNam, SungWooLee, Mi-SunLieber, Charles M.
Keywords
CHEMICAL-VAPOR-DEPOSITION; CARBON NANOTUBES; LARGE-AREA; HIGH-QUALITY; FILMS; TRANSPORT; TRANSISTORS; GROWTH
Issue Date
201202
Publisher
NATURE PUBLISHING GROUP
Citation
NATURE MATERIALS, v.11, no.2, pp.120 - 125
Abstract
Encoding electronic functionality into nanoscale elements during chemical synthesis has been extensively explored over the past decade as the key to developing integrated nanosystems(1) with functions defined by synthesis(2-6). Graphene(7-12) has been recently explored as a two-dimensional nanoscale material, and has demonstrated simple device functions based on conventional top-down fabrication(13-20). However, the synthetic approach to encoding electronic functionality and thus enabling an entire integrated graphene electronics in a chemical synthesis had not previously been demonstrated. Here we report an unconventional approach for the synthesis of monolithically integrated electronic devices based on graphene and graphite. Spatial patterning of heterogeneous metal catalysts permits the selective growth of graphene and graphite, with a controlled number of graphene layers. Graphene transistor arrays with graphitic electrodes and interconnects were formed from the synthesis. These functional, all-carbon structures were transferable onto a variety of substrates. The integrated transistor arrays were used to demonstrate real-time, multiplexed chemical sensing and more significantly, multiple carbon layers of the graphene-graphite device components were vertically assembled to form a three-dimensional flexible structure which served as a top-gate transistor array. These results represent substantial progress towards encoding electronic functionality through chemical synthesis and suggest the future promise of one-step integration of graphene-graphite based electronics.
URI
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DOI
http://dx.doi.org/10.1038/NMAT3169
ISSN
1476-1122
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