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Proceedings Paper

Light irradiation effect on the gas sensing properties of the ZnO nanostructures
Author(s): G. Atanasova; T. Dilova; A. Og. Dikovska; G. Avdeev; P. Stefanov; N. N. Nedyalkov
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Paper Abstract

In this work, we present fabrication of ZnO nanostructures by pulsed laser deposition in air at atmospheric pressure. The use of this technology leads to formation of nanostructures composed by nanoparticles and nanoaggregates. These nanostructures possess a large surface-to-volume ratio, which makes them suitable for gas-sensor application. The samples were exposed to NH3 and the effect was investigated of light irradiation on the gas response and recovery time of the sensor element. It was found that the response of the sensor element increases even by irradiation by sunlight. The gas sensing properties of the ZnO nanostructures were compared when irradiated by light of different wavelengths.

Paper Details

Date Published: 29 January 2019
PDF: 6 pages
Proc. SPIE 11047, 20th International Conference and School on Quantum Electronics: Laser Physics and Applications, 110470B (29 January 2019); doi: 10.1117/12.2516517
Show Author Affiliations
G. Atanasova, Institute of General and Inorganic Chemistry (Bulgaria)
T. Dilova, Institute of General and Inorganic Chemistry (Bulgaria)
A. Og. Dikovska, Institute of Electronics (Bulgaria)
G. Avdeev, Institute of General and Inorganic Chemistry (Bulgaria)
P. Stefanov, Institute of General and Inorganic Chemistry (Bulgaria)
N. N. Nedyalkov, Institute of Electronics (Bulgaria)


Published in SPIE Proceedings Vol. 11047:
20th International Conference and School on Quantum Electronics: Laser Physics and Applications
Tanja N. Dreischuh; Latchezar A. Avramov, Editor(s)

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