Autor segons l'article: Behi, Syrine; Bohli, Nadra; Casanova-Chafer, Juan; Llobet, Eduard; Abdelghani, Adnane
Departament: Enginyeria Electrònica, Elèctrica i Automàtica
Autor/s de la URV: Casanova Chafer, Juan / Llobet Valero, Eduard
Paraules clau: Work function Wo3/graphene nanocomposite Tungsten oxide Tin oxide Sno2 nanoparticles Sensor array Sensor Sensitivity Room-temperature Metal oxide nanoparticles Graphene Gas-sensing properties Film Carbon nanotubes Btx Assisted hydrothermal method Aromatic voc tin oxide sensor array metal oxide nanoparticles graphene btx aromatic voc
Resum: © 2020 by the authors. Licensee MDPI, Basel, Switzerland. Benzene, toluene, and xylene, commonly known as BTX, are hazardous aromatic organic vapors with high toxicity towards living organisms. Many techniques are being developed to provide the community with portable, cost effective, and high performance BTX sensing devices in order to effectively monitor the quality of air. In this paper, we study the effect of decorating graphene with tin oxide (SnO2) or tungsten oxide (WO3) nanoparticles on its performance as a chemoresistive material for detecting BTX vapors. Transmission electron microscopy and environmental scanning electron microscopy are used as morphological characterization techniques. SnO2-decorated graphene displayed high sensitivity towards benzene, toluene, and xylene with the lowest tested concentrations of 2 ppm, 1.5 ppm, and 0.2 ppm, respectively. In addition, we found that, by employing these nanomaterials, the observed response could provide a unique double signal confirmation to identify the presence of benzene vapors for monitoring occupational exposure in the textiles, painting, and adhesives industries or in fuel stations.
Àrees temàtiques: Zootecnia / recursos pesqueiros Química Medicine (miscellaneous) Medicina veterinaria Medicina iii Medicina ii Medicina i Materiais Matemática / probabilidade e estatística Linguística e literatura Letras / linguística Interdisciplinar Instruments & instrumentation Instrumentation Information systems Geografía Geociências Farmacia Engineering, electrical & electronic Engenharias iv Engenharias iii Engenharias ii Engenharias i Electrochemistry Electrical and electronic engineering Educação física Ciências biológicas iii Ciências biológicas ii Ciências biológicas i Ciências ambientais Ciências agrárias i Ciência de alimentos Ciência da computação Chemistry, analytical Biotecnología Biodiversidade Biochemistry Atomic and molecular physics, and optics Astronomia / física Arquitetura, urbanismo e design Analytical chemistry
Accès a la llicència d'ús: https://creativecommons.org/licenses/by/3.0/es/
ISSN: 1424-8220
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
Volum de revista: 20
Versió de l'article dipositat: info:eu-repo/semantics/publishedVersion
Enllaç font original: https://www.mdpi.com/1424-8220/20/12/3413
URL Document de llicència: https://repositori.urv.cat/ca/proteccio-de-dades/
Referència a l'article segons font original: Sensors. 20 (12): 1-15
Referència de l'ítem segons les normes APA: Behi, Syrine; Bohli, Nadra; Casanova-Chafer, Juan; Llobet, Eduard; Abdelghani, Adnane (2020). Metal oxide nanoparticle-decorated few layer graphene nanoflake chemoresistors for the detection of aromatic volatile organic compounds. Sensors, 20(12), 1-15. DOI: 10.3390/s20123413
DOI de l'article: 10.3390/s20123413
Entitat: Universitat Rovira i Virgili
Any de publicació de la revista: 2020
Tipus de publicació: Journal Publications
Repositori URV