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https://doi.org/10.1109/lsens.2018.2799851
Copy DOIJournal: IEEE Sensors Letters | Publication Date: Mar 1, 2018 |
Citations: 35 |
A poly (3, 3 -dialkylquaterthiophene) (PQT-12) based flexible metal-semiconductor-metal nitrogen dioxide (NO2) gas sensor fabricated on a flexible polyamide substrate has been reported in this article for the first time. The thin PQT-12 film deposited on the polyamide substrate is investigated by X-ray diffraction, atomic force microscopy, and scanning electron microscopy. The sensor shows a gas response of 24 with a response time of 41s at a very low concentration of 100-ppb NO2 gas under ambient air atmosphere. The gas response of 48 is measured at higher concentration of 500-ppb NO2 gas. The NO2 gas detection has been illustrated using a prototype circuit for the proposed sensor.
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