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Sprayable Carbon Nanotubes Could be the Solution for Low-Cost Sensors

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This method of fabricating the gas sensors can be used for applications such as gauging freshness in food packaging.

Researchers at the Technische Universitaet Muenchen (TUM) are showing the way toward low-cost, industrial-scale manufacturing of a new family of electronic devices. A leading example is a gas sensor that could be integrated into food packaging to gauge freshness, or into compact wireless air-quality monitors. New types of solar cells and flexible transistors are also in the works, as well as pressure and temperature sensors that could be built into electronic skin for robotic or bionic applications. All can be made with carbon nanotubes, sprayed like ink onto flexible plastic sheets or other substrates.

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