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Carbon Nanotube Field Effect Transistors and Sensors Based on Nanotube Networks

J.-C. Gabriel
Nanomix Inc., US

Keywords:
nanotube, chemical sensors, artificial noses

Abstract:
Carbon Nanotube Field Effect Transistors and Sensors Based on Nanotube Networks The mission of Nanomix is to develop and commercialize chemical and biological sensors based on a technology platform that integrates carbon nanotubes into silicon microelectronics. Nanomix has developed a new sensing technology based on nanoelectronic components. Each device contains carbon nanotube network based FET sensors that are modified to respond specifically to various chemical or biological species. The nanosensor chip features state-of-the-art performance in a tiny package that consumes very little power. These inexpensive nanosensors will enable a new generation of research tools and the deployment of wireless sensor networks to replace more costly chemical sensors in many applications. In this presentation we will report the progress of Nanomix toward the production and commercialization of our generic platform for the development of new sensors (work supported by NSF SBIR grant 0340484) as well as more fundamental results on the use of this platform for the study of gas and liquids as well as in their use in artificial nose. For recent publications see: Electronic Detection of Specific Protein Binding Using Nanotube FET Devices. A. Star, J.-C. P. Gabriel, K. Bradley, G. Grüner, Nano Letters, 3(4) 459 - 463, 2003. Influence of Mobile Ions on Nanotube Based FET Devices. K. Bradley, J. Cumings, A. Star, J.-C. P. Gabriel, G. Grüner, Submitted Nano Letters, 3(5) 639-641, 2003. Flexible nanotube transistors. K. Bradley, J.-C. P. Gabriel, G. Grüner Nano Letters 3(10) 1353, 2003. Interaction of Aromatic Compounds with Carbon Nanotubes: Correlation to the Hammett Parameter of the Substituent and Measured Carbon Nanotube FET Response. A. Star, T.-R. Han, J.-C. P. Gabriel, K. Bradley, G. Grüner Nano Letters 3(10) 1421, 2003 Short-channel effects in contact-passivated nanotube chemical sensors. K. Bradley, J.-C. P. Gabriel, A. Star, G. Grüner Applied Phys. Lett, 83(18) 3821-3823, 2003. Charge transfer from ammonia physisorbed on nanotubes. K. Bradley, J.-C. P. Gabriel, M. Briman, A. Star, G. Grüner Phys. Rev. Lett. 91(21) 218301, 2003.

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