Autor segons l'article: El Fidha, Ghada; Bitri, Nabila; Mahjoubi, Sarra; Chaabouni, Fatma; Llobet, Eduard; Casanova-Chafer, Juan
Departament: Enginyeria Electrònica, Elèctrica i Automàtica
Autor/s de la URV: Casanova Chafer, Juan / Llobet Valero, Eduard
Paraules clau: Zno thin-films Temperature Sensors Selectivity Optical-properties No2 Nh3 Nanostructures Humidity Gas sensor Ethanol Dy-doped zno Dy Al
Resum: Pure and dysprosium-loaded ZnO films were grown by radio-frequency magnetron sputtering. The films were characterized using a wide variety of morphological, compositional, optical, and electrical techniques. The crystalline structure, surface homogeneity, and bandgap energies were studied in detail for the developed nanocomposites. The properties of pure and dysprosium-doped ZnO thin films were investigated to detect nitrogen dioxide (NO2) at the ppb range. In particular, ZnO sensors doped with rare-earth materials have been demonstrated as a feasible strategy to improve the sensitivity in comparison to their pure ZnO counterparts. In addition, the sensing performance was studied and discussed under dry and humid environments, revealing noteworthy stability and reliability under different experimental conditions. In this perspective, additional gaseous compounds such as ammonia and ethanol were measured, resulting in extremely low sensing responses. Therefore, the gas-sensing mechanisms were discussed in detail to better understand the NO2 selectivity given by the Dy-doped ZnO layer.
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Accès a la llicència d'ús: https://creativecommons.org/licenses/by/3.0/es/
Adreça de correu electrònic de l'autor: juan.casanova@urv.cat eduard.llobet@urv.cat
Identificador de l'autor: 0000-0001-6164-4342
Data d'alta del registre: 2024-10-12
Versió de l'article dipositat: info:eu-repo/semantics/publishedVersion
Enllaç font original: https://www.mdpi.com/1424-8220/22/14/5173
URL Document de llicència: https://repositori.urv.cat/ca/proteccio-de-dades/
Referència a l'article segons font original: Sensors. 22 (14): 5173-
Referència de l'ítem segons les normes APA: El Fidha, Ghada; Bitri, Nabila; Mahjoubi, Sarra; Chaabouni, Fatma; Llobet, Eduard; Casanova-Chafer, Juan (2022). Dysprosium Doped Zinc Oxide for NO2 Gas Sensing. Sensors, 22(14), 5173-. DOI: 10.3390/s22145173
DOI de l'article: 10.3390/s22145173
Entitat: Universitat Rovira i Virgili
Any de publicació de la revista: 2022
Tipus de publicació: Journal Publications