A Single Input Multiple Output (SIMO) Variation-Tolerant Nanosensor

ACS Sensors
Dong-Il MoonM Meyyappan

Abstract

Successful transition to commercialization and practical implementation of nanotechnology innovations may very well need device designs that are tolerant to the inherent variations and imperfections in all nanomaterials including carbon nanotubes, graphene, and others. As an example, a single-walled carbon nanotube network based gas sensor is promising for a wide range of applications such as environment, industry, and biomedical and wearable devices due to its high sensitivity, fast response, and low power consumption. However, a long-standing issue has been the production of extremely high purity semiconducting nanotubes, thereby contributing to the delay in the market adoption of those sensors. Inclusion of even less than 0.1% of metallic nanotubes, which is inevitable, is found to result in a significant deterioration of sensor-to-sensor uniformity. Acknowledging the coexistence of metallic and semiconducting nanotubes as well as all other possible imperfections, we herein present a novel variation-tolerant sensor design where the sensor response is defined by a statistical Gaussian measure in contrast to a traditional deterministic approach. The single input and multiple output data are attained using multiport electrodes ...Continue Reading

References

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Sep 8, 2011·The Review of Scientific Instruments·Jin-Woo HanM Meyyappan
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Mar 10, 2016·Small·M Meyyappan

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Citations

Feb 29, 2020·Nanomaterials·Tania MoeinSaulius Juodkazis

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