Effect of dopant on selectivity of CuO nanostructured films – Based sensors
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CREŢU, Vasilii; POSTICA, Vasile; ABABII, Nicolai; MAGARIU, Nicolae; ŞONTEA, Victor; SCHUTT, Fabian; ADELUNG, Rainer; LUPAN, Oleg. Effect of dopant on selectivity of CuO nanostructured films – Based sensors. In: IFMBE Proceedings 3rd International Conference on Nanotechnologies and Biomedical Engineering, ICNBME 2015. Editia 3-a, Vol. 55, 23-26 septembrie 2015, Chişinău. Springer, 2016, pp. 349-352.
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IFMBE Proceedings
Editia 3-a, Vol. 55, 2016
Conferința "International Conference on Nanotechnologies and Biomedical Engineering"
Chişinău, Moldova, 23-26 septembrie 2015

Effect of dopant on selectivity of CuO nanostructured films – Based sensors

DOI: https://doi.org/10.1007%2f978-981-287-736-9_84

Pag. 349-352

Creţu Vasilii1, Postica Vasile1, Ababii Nicolai1, Magariu Nicolae1, Şontea Victor1, Schutt Fabian2, Adelung Rainer2, Lupan Oleg12
 
1 Technical University of Moldova,
2 Institute for Material Science, Christian-Albrechts-University of Kiel
 
Disponibil în IBN: 4 august 2022


Rezumat

In this work, the effect of different dopants on selectivity performance of gas sensor structures based on CuO nano-structured films that were synthesized from aqueous chemical solutions SCS is reported. The gas sensing studies were performed to investigate response and selectivity of the sensor structures. The un-doped CuO samples showed good selectivity to ethanol vapors with a response of about 149%, while Al-doped CuO samples demonstrated a response of about 175% to hydrogen gas and a better selectivity too. The gas sensing mechanism was proposed and discussed in details.

Cuvinte-cheie
CuO, Cupric oxide, films, gas sensor, p-Type