| Titolo | SAW gas sensors with titania nanotubes layers |
|---|---|
| Tipo di pubblicazione | Articolo su Rivista peer-reviewed |
| Anno di Pubblicazione | 2011 |
| Autori | Penza, Michele, Sadek A.Z., Zheng H.D., Aversa Patrizia, McCulloch D.G., Kalantar-Zadeh K., and Wlodarski W. |
| Rivista | Sensor Letters |
| Volume | 9 |
| Paginazione | 925-928 |
| ISSN | 1546198X |
| Parole chiave | Acetone, Acoustic surface wave devices, Acoustic waves, acoustics, Aromatic hydrocarbons, Chemical sensors, Coatings, Differential mode, Ethanol, Gas detectors, Gas sensitive material, Gases, High sensitivity, Hydrogen gas, Linear response, m-Xylene, Methanol, Nanostructured materials, Nanotubes, Nanotubular, Quartz, Room temperature, Room temperature detection, SAW gas sensors, Solvent-casting, ST-cut quartz, Surface acoustic wave sensors, TiO, Titania, Titania nanotubes, Titania nanotubes films, Titanium dioxide, Two-port resonator, Volatile organic compounds, Xylene |
| Abstract | A surface acoustic wave (SAW) sensor with titania nanotubular layer as the gas sensitive material has been developed. This SAW 433 MHz two-port resonator has been fabricated on ST-cut quartz substrate and functionally characterized as an oscillator in dual differential mode. Solvent-casting coatings of anodized TiO2 nanotubes have been used for coating the devices for room-temperature detection of Volatile Organic Compounds (VOCs) including methanol, ethanol, acetone and m-xylene as well as hydrogen gas. The results demonstrate linear responses and high sensitivity of these sensors with the largest sensitivity achieved for ethanol to be 156 kHz/ppm at room temperature. Copyright © 2011 American Scientific Publishers All rights reserved. |
| Note | cited By 3 |
| URL | https://www.scopus.com/inward/record.uri?eid=2-s2.0-79955533425&doi=10.1166%2fsl.2011.1645&partnerID=40&md5=a7cf167398bfa032d9756858fa0cc7b3 |
| DOI | 10.1166/sl.2011.1645 |
| Citation Key | Penza2011925 |
