Autor segons l'article: Mudimela, Prasantha R; Scardamaglia, Mattia; Gonzalez-Leon, Oriol; Reckinger, Nicolas; Snyders, Rony; Llobet, Eduard; Bittencourt, Carla; Colomer, Jean-Francois
Departament: Enginyeria Electrònica, Elèctrica i Automàtica
Autor/s de la URV: Llobet Valero, Eduard
Paraules clau: Vertically aligned carbon nanotube Thermal cvd Thermal chemical vapor deposition Room temperature Nitrogen oxides Nitrogen dioxides Nanotube forests Metal nanoparticles Gold nanoparticles Gold Gas sensors Gas sensitive material Gas detectors Decoration Chemical vapor deposition Chemical sensors Carbon nanotubes Atmospheric humidity Alignment metal nanoparticles gas sensors decoration carbon nanotubes alignment
Resum: Vertically aligned carbon nanotubes of different lengths (150, 300, 500 ?m) synthesized by thermal chemical vapor deposition and decorated with gold nanoparticles were investigated as gas sensitive materials for detecting nitrogen dioxide (NO2) at room temperature. Gold nanoparticles of about 6 nm in diameter were sputtered on the top surface of the carbon nanotube forests to enhance the sensitivity to the pollutant gas. We showed that the sensing response to nitrogen dioxide depends on the nanotube length. The optimum was found to be 300 ?m for getting the higher response. When the background humidity level was changed from dry to 50% relative humidity, an increase in the response to NO2 was observed for all the sensors, regardless of the nanotube length. © 2014 Mudimela et a.
Àrees temàtiques: Química Physics, applied Physics and astronomy (miscellaneous) Physics and astronomy (all) Nanoscience and nanotechnology Nanoscience & nanotechnology Materials science, multidisciplinary Materials science (miscellaneous) Materials science (all) Interdisciplinar General physics and astronomy General materials science Engenharias iv Engenharias iii Electrical and electronic engineering Astronomia / física
Accès a la llicència d'ús: https://creativecommons.org/licenses/by/3.0/es/
Adreça de correu electrònic de l'autor: 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
URL Document de llicència: https://repositori.urv.cat/ca/proteccio-de-dades/
Referència a l'article segons font original: Beilstein Journal Of Nanotechnology. 5 (1): 910-918
Referència de l'ítem segons les normes APA: Mudimela, Prasantha R; Scardamaglia, Mattia; Gonzalez-Leon, Oriol; Reckinger, Nicolas; Snyders, Rony; Llobet, Eduard; Bittencourt, Carla; Colomer, Jea (2014). Gas sensing with gold-decorated vertically aligned carbon nanotubes. Beilstein Journal Of Nanotechnology, 5(1), 910-918. DOI: 10.3762/bjnano.5.104
Entitat: Universitat Rovira i Virgili
Any de publicació de la revista: 2014
Tipus de publicació: Journal Publications
Repositori URV