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 SM ISO690:2012MAGARIU, Nicolae, ABABII, Nicolai, POSTICA, Vasile, BODDULURI, Mani Teja, LUPAN, Oleg, ADELUNG, Rainer, HANSEN, Sandra. Al2O3/CuO non-planar heterostructures for VOCs vapors detection. In: Electronics, Communications and Computing: IC|ECCO-2021, Ed. 11, 21-22 octombrie 2021, Chişinău. Chișinău, Republica Moldova: Technical University of Moldova, 2021, Editia 11, pp. 97-100. ISBN 978-9975-45-776-7. DOI: https://doi.org/10.52326/ic-ecco.2021/EL.03 |
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| Electronics, Communications and Computing Editia 11, 2021 |
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Conferința "Electronics, Communications and Computing" 11, Chişinău, Moldova, 21-22 octombrie 2021 | ||||||
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| DOI:https://doi.org/10.52326/ic-ecco.2021/EL.03 | ||||||
| Pag. 97-100 | ||||||
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In this work, the gas sensing properties of the non-planar heterostructures based on CuO thin films, grown by the direct ink writing and covered with an ultrathin Al2O3 layer, are presented as a function of the operating temperature. The obtained results demonstrates the excellent selectivity to volatile organic compounds (VOCs) vapors, namely n-butanol and 2-propanol in a operating temperature range of 200 – 350 ºC. The relatively low gas response was observed at room temperature, which is very important for low-power operation. The dynamic gas response showed an ultra-fast response time of 2 – 3 s. The obtained results demonstrates the excellent potential of nonplanar heterostructures based on metal oxides for use in high-performance environmental monitoring applications. |
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| Cuvinte-cheie heterostructures, gas sensor, volatile organic compounds, metal oxide |
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