In spite of the numerous research efforts regarding the development of miniaturized, low-cost, and highly sensitive sensors based on different organic and semiconducting materials, carbon nanotubes still remain the most promising ones. An international team of researchers has now developed a simple way for fabrication and operation of carbon nanotube-based chemical sensors. The sensor consists of carboxylated single-walled carbon nanotubes, which were spin-coated over the polymer substrate between sputtered metal electrodes.

Via:: http://www.nanowerk.com/spotlight/spotid=47111.php

Moisture enhances ammonia sensitivity of carbon nanotubes

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