Title :
Development of new polyurethanimide tailored copolymers for SO2 SAW gas microsensors
Author :
Ben Youssef, I. ; Sarry, F. ; Elmazria, O. ; Alem, H. ; Jonquieres, A. ; Jimenez-Rioboo, R.
Author_Institution :
Inst. Jean Lamour, Nancy Univ., Vandoeuvre les Nancy, France
Abstract :
In this paper we present new polyurethaneimide (PUI) copolymers SO2 as sensitive layers for a gas sensor based on a ZnO/Quartz ST-90 SAW transducer. These copolymers, which contain tertiary amine groups acting as Lewis bases, were characterized by Brillouin spectroscopy in order to determine the optimal sensor parameters. Gas sensors consisting of trilayer structures PUI/ZnO/Quartz were then developed successfully and tested under SO2 with the different PUI copolymers. The observed sensor responses are discussed in terms of structure-properties relationships.
Keywords :
Brillouin spectra; gas sensors; microsensors; polymer blends; sulphur compounds; surface acoustic wave transducers; Brillouin spectroscopy; Lewis bases; SAW transducer; gas microsensors; optimal sensor parameters; polyurethanimide tailored copolymers; tertiary amine groups; Gas detectors; Plastics; Scattering; Sensitivity; Surface acoustic waves; Zinc oxide; PUI; SAW; SO2; ZnO/Quartz ST-90; copolymers; gas sensor;
Conference_Titel :
Ultrasonics Symposium (IUS), 2010 IEEE
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-4577-0382-9
DOI :
10.1109/ULTSYM.2010.5935523
