Table 1 Dark, photocurrent and their ratios as a function of background oxygen pressure
From: Persistent Photoconductivity Studies in Nanostructured ZnO UV Sensors
O2Pressure (Torr) | I Dark(A) | I UV(A) | I UV/I Dark |
|---|---|---|---|
7.6 × 102 | 1.5 × 10−8 | 1.3 × 10−7 | 8.6 |
4 × 10−1 | 1.0 × 10−7 | 8.2 × 10−7 | 8.2 |
8 × 10−2 | 8.2 × 10−8 | 2.8 × 10−6 | 34 |