Medium-scale carbon nanotube thin-film integrated circuits on flexible plastic substrates

Qing Cao, Hoon-sik Kim, Ninad Pimparkar, Jaydeep P. Kulkarni, Congjun Wang, Moonsub Shim, Kaushik Roy, Muhammad A. Alam and John A. Rogers ()
Additional contact information
Qing Cao: Department of Chemistry,
Hoon-sik Kim: Department of Materials Science and Engineering,
Ninad Pimparkar: School of Electrical and Computer Engineering, Network for Computational Nanotechnology, Purdue University, West Lafayette, Indiana 47907, USA
Jaydeep P. Kulkarni: School of Electrical and Computer Engineering, Network for Computational Nanotechnology, Purdue University, West Lafayette, Indiana 47907, USA
Congjun Wang: Department of Materials Science and Engineering,
Moonsub Shim: Department of Materials Science and Engineering,
Kaushik Roy: School of Electrical and Computer Engineering, Network for Computational Nanotechnology, Purdue University, West Lafayette, Indiana 47907, USA
Muhammad A. Alam: School of Electrical and Computer Engineering, Network for Computational Nanotechnology, Purdue University, West Lafayette, Indiana 47907, USA
John A. Rogers: Department of Chemistry,

Nature, 2008, vol. 454, issue 7203, 495-500

Abstract: Flexible nanotube circuits Integrated circuits formed on flexible plastic sheets can be lighter and tougher than those made from conventional materials, as well as being usefully bendy. Semiconductors made from organic small molecules and polymers have shown promise in such applications, but a new carbon-based nanomaterial described in this issue — its creators say — promises higher performance in electronic applications than the currently available options. Cao et al. have developed small- to medium-scale integrated digital circuits consisting of random networks of single-walled carbon nanotubes on plastic substrates. The layouts enable both high mobilities and high on/off ratios and the resulting devices and circuits (consisting of up to 100 transistors) show excellent electronic properties. These new films should be of use for a wide range of applications such as unusual consumer electronic devices, biological sensing and optoelectronics.

Date: 2008
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DOI: 10.1038/nature07110

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