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29 January 2019 Gas-sensing properties of metal-oxide nanostructures produced by PLD
T. Dilova, G. Atanasova, A. Og. Dikovska, G. V. Avdeev, P. Stefanov, N. N. Nedyalkov
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Proceedings Volume 11047, 20th International Conference and School on Quantum Electronics: Laser Physics and Applications; 110470G (2019) https://doi.org/10.1117/12.2516753
Event: International Conference and School on Quantum Electronics "Laser Physics and Applications": ICSQE 2018, 2018, Nessebar, Bulgaria
Abstract
We report the fabrication of gas sensor elements by pulsed laser deposition in air at atmospheric pressure. We focused our attention on metal-oxide semiconductors, namely, SnO2, TiO2 and MoO3 and studied the samples’ structure and morphology. The deposition technology applied leads to the formation of nanostructures composed of nanoparticles and nano-aggregates. We report preliminary results on the gas-sensing properties of the metal-oxide nanostructures. The sensors were exposed to CO, acetone and ethanol, with the TiO2 nanostructure demonstrating the highest response to CO exposure.
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T. Dilova, G. Atanasova, A. Og. Dikovska, G. V. Avdeev, P. Stefanov, and N. N. Nedyalkov "Gas-sensing properties of metal-oxide nanostructures produced by PLD", Proc. SPIE 11047, 20th International Conference and School on Quantum Electronics: Laser Physics and Applications, 110470G (29 January 2019); https://doi.org/10.1117/12.2516753
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KEYWORDS
Nanostructures
Sensors
Nanoparticles
Gas sensors
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