Abstract
Here, we demonstrate self-powered ultraviolet photodetectors that are capable of generating opposite current flow when illuminated at different wavelengths. The photodetectors are composed of n-ZnO/Polyaniline (PANI) p-n and PANI/ZnGa2O4 type-II heterojunctions and operate without any need for external power source. Devices display superior stability in ambient conditions within months. Results provide opportunities for developing devices for optical recognition.
| Original language | English (US) |
|---|---|
| Article number | 143503 |
| Journal | Applied Physics Letters |
| Volume | 103 |
| Issue number | 14 |
| DOIs | |
| State | Published - Sep 30 2013 |
| Externally published | Yes |
ASJC Scopus subject areas
- Physics and Astronomy (miscellaneous)