Abstract
Strain-induced polarization charges in a piezoelectric semiconductor effectively modulate the band structure near the interface and charge carrier transport. Fundamental investigation of the piezotronic effect has attracted broad interest, and various sensing applications have been demonstrated. This brief review discusses the fundamentals of the piezotronic effect, followed by a review highlighting important applications for strain sensors, pressure sensors, chemical sensors, photodetectors, humidity sensors and temperature sensors. Finally, the review offers some perspectives and outlook for this new field of multi-functional sensing enabled by the piezotronic effect.
| Original language | English (US) |
|---|---|
| Article number | 108 |
| Pages (from-to) | 22914-22940 |
| Number of pages | 27 |
| Journal | Sensors (Basel, Switzerland) |
| Volume | 15 |
| Issue number | 9 |
| DOIs | |
| State | Published - Sep 11 2015 |
Bibliographical note
Publisher Copyright:© 2015 by the authors; licensee MDPI, Basel, Switzerland.
Keywords
- Biosensor
- Chemical sensor
- Gas sensor
- Nanowire
- Photodetector
- Piezotronic
- Pressure sensor
- Strain sensor
- Temperature sensor
- Zinc oxide