2024-03-29T09:58:06Zhttps://repositori.uji.es/oai/requestoai:repositori.uji.es:10234/1756862023-05-16T08:44:03Zcom_10234_7013com_10234_9col_10234_8638
Repositori UJI
author
Catto, Ariadne C.
author
Fiorido, Tomas
author
Souza, Érica L.S.
author
Avansi, Waldir
author
Andres, Juan
author
Aguir, Khalifa
author
Longo, Elson
author
Cavalcante, Laécio Santos
author
Da Silva, Luis F.
funder
Generalitat Valenciana, Ministerio de Economia y Competitividad, and Programa de Cooperación Cientifíca con Iberoamerica (Brazil), Ministerio de Educación
2018-07-16T10:09:14Z
2018-07-16T10:09:14Z
2018-06
CATTO, Ariadne C., et al. Improving the ozone gas-sensing properties of CuWO4 nanoparticles. Journal of Alloys and Compounds, 2018, 748: 411-417.
http://hdl.handle.net/10234/175686
https://doi.org/10.1016/j.jallcom.2018.03.104
This paper consists of an experimental investigation on the effects of annealing temperature on the structural, surface and ozone gas-sensing properties of CuWO4 nanoparticles prepared via a sonochemical route. X-ray diffraction patterns and X-ray absorption near-edge structure spectroscopy revealed that both long- and short-order structures increase with the annealing temperature. Electrical resistance measurements indicated that CuWO4 samples were sensitive in the range of 15–1400 ppb, exhibiting a good reversibility and repeatability. The enhancement of the ozone gas-sensing properties was attributed to the reduction of hydroxyl species and the improvement of the crystallization degree. This study provides a versatile strategy for obtaining CuWO4 nanoparticles for practical applications as an ozone gas sensor.
eng
© 2018 Elsevier B.V. All rights reserved.
sonochemical
CuWO4
surface
chemiresistor
ozone
Improving the ozone gas-sensing properties of CuWO4 nanoparticles
info:eu-repo/semantics/article
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