Autor según el artículo: Walleni, Chiheb; Malik, Shuja Bashir; Missaoui, Ghada; Alouani, Mohamed Ayoub; Nsib, Mohamed Faouzi; Llobet, Eduard
Departamento: Enginyeria Electrònica, Elèctrica i Automàtica
Autor/es de la URV: Alouani, Mohamed Ayoub / Llobet Valero, Eduard / Malik, Shuja Bashir
Palabras clave: Electronic-structure Graphite Humidit Raman-spectroscopy Reduction Sensitivity
Resumen: In this paper, we develop high-performance gas sensors based on heteroatom-doped and -codoped graphene oxide as a sensing material for the detection of NO2 at trace levels. Graphene oxide (GO) was doped with nitrogen and boron by a chemical method using urea and boric acid as precursors. The prepared samples were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), Raman spectroscopy, X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS). The obtained results proved the successful reduction of graphene oxide by doping effects, leading to the removal of some oxygen functional groups and restoration of an sp2 carbon structure. New bonds in honeycombs, such as pyridinic, pyrrolic, graphitic, B-C3, B-C2-O, and B-O, were created. Compared to the nondoped GO, the N/B-rGO materials exhibited enhanced responses toward low concentrations of NO2 (
Áreas temáticas: Chemical engineering (all) Chemical engineering (miscellaneous) Chemistry (all) Chemistry (miscellaneous) Chemistry, multidisciplinary Ciências agrárias i Engenharias ii General chemical engineering General chemistry Interdisciplinar Química
Acceso a la licencia de uso: https://creativecommons.org/licenses/by/3.0/es/
Direcció de correo del autor: eduard.llobet@urv.cat shujabashir.malik@urv.cat mohamedayoub.alouani@urv.cat
Identificador del autor: 0000-0001-6164-4342
Fecha de alta del registro: 2024-10-12
Versión del articulo depositado: info:eu-repo/semantics/publishedVersion
Referencia al articulo segun fuente origial: Acs Omega. 9 (11): 13028-13040
Referencia de l'ítem segons les normes APA: Walleni, Chiheb; Malik, Shuja Bashir; Missaoui, Ghada; Alouani, Mohamed Ayoub; Nsib, Mohamed Faouzi; Llobet, Eduard (2024). Selective NO2 Gas Sensors Employing Nitrogen- and Boron-Doped and Codoped Reduced Graphene Oxide. Acs Omega, 9(11), 13028-13040. DOI: 10.1021/acsomega.3c09460
URL Documento de licencia: https://repositori.urv.cat/ca/proteccio-de-dades/
Entidad: Universitat Rovira i Virgili
Año de publicación de la revista: 2024
Tipo de publicación: Journal Publications
Repositori URV