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Proceedings Paper

Novel SH-SAW gas sensor based on graphene
Author(s): I. Nikolaou; H. Hallil; G. Deligeorgis; V. Conedera; H. Garcia; C. Dejous; D. Rebière
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Paper Abstract

In this article, a novel gas sensor platform has been studied. Several layers of graphene have been deposited on a SH-SAW, as a sensitive layer. Innovative methods of graphene solutions have been prepared in order to explore gas sensing applications. The real time detection measurement of the coated sensor under ethanol and humidity is presented. The adsorption of vapors leads to a frequency shift of 10.5 kHz and 22.7 kHz, at exposure of 100 ppm of ethanol and 6.22% of Relative Humidity, respectively. The experiments have been realized at room temperature; rapid response and recovery time were observed.

Paper Details

Date Published: 21 May 2015
PDF: 7 pages
Proc. SPIE 9517, Smart Sensors, Actuators, and MEMS VII; and Cyber Physical Systems, 951716 (21 May 2015); doi: 10.1117/12.2178260
Show Author Affiliations
I. Nikolaou, IMS, CNRS, Bordeaux INSP, Univ. Bordeaux 1 (France)
H. Hallil, Univ. Bordeaux 1 (France)
G. Deligeorgis, Foundation for Research and Technology-Hellas (Greece)
V. Conedera, Lab. d'Analyse et d'Architecture des Systèmes (France)
H. Garcia, Univ. Politècnica de Valencia (Spain)
C. Dejous, Univ. Bordeaux 1 (France)
D. Rebière, Univ. Bordeaux 1 (France)


Published in SPIE Proceedings Vol. 9517:
Smart Sensors, Actuators, and MEMS VII; and Cyber Physical Systems
José Luis Sánchez-Rojas; Riccardo Brama, Editor(s)

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