Electrospun PVP fibers and gas sensing properties of PVP/36º YX LiTaO3 SAW device

• Main Authors: Arsat, Rashidah, X. L., He, A. Z., Sadek, W., Wlodarski, K., Kalantar zadeh, J. P., Li
• Format: Article
• Published: Elsevier B.V. 2010
• Subjects: TK Electrical engineering. Electronics Nuclear engineering
• Online Access: http://eprints.utm.my/id/eprint/26151/; http://dx.doi.org/10.1016/j.snb.2010.01.013

The poly-vinyl-pyrrolidone (PVP) fibers were prepared by electrospinning of PVP aqueous solution and the PVPfibers/36° LiTaO3 surface acoustic wave (SAW) sensor was successfully developed. The effects of the concentration of PVP solution and electrode-to-collector distance on the morphology of the electrospunPVPfibers were investigated and the H2sensingproperties of the SAW sensor were tested. The electrode-to-collector distance significantly affected the density of PVPfibers and the smooth and uniform fibers were obtained when the concentration of PVP solution was 58%. The developed SAW sensors show large response to H2 at room temperature.