Abstract:This work presents, for the very first time, very promising nitrogen dioxide (NO 2 ) sensing characteristics of SnO x nanolayers obtained by the innovative and unique rheotaxial growth and vacuum oxidation (RGVO) processing technique. The NO 2 gas sensing experiments were performed using the novel surface photovoltage gas sensing device. The measured detection limit at room temperature (RT) is as low as 10 ppb NO 2 in synthetic air, whereas the detection limit calculated on the basis of signal to noise ratio i… Show more
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