Table 1 Mean values of the nanowire dimensions, nanowire aspect ratio and array density for different ZnO seed preparation methods
ZnO seed preparation methods | Diameter (nm) | Length (μm) | Nanowire aspect ratio | Density (×109 wires cm−2) |
|---|---|---|---|---|
Spin-coating | ||||
Sample A1 | 200 | 9.5 | 48 | 2.1 |
Sample A2 | 195 | 9.1 | 47 | 2.2 |
Sample A3 | 210 | 8.2 | 39 | 2.0 |
Dip-coating | ||||
Sample B1 | 120 | 9.5 | 79 | 1.5 |
Sample B2 | 150 | 8.2 | 55 | 1.6 |
Sample B3 | 130 | 9.8 | 75 | 1.2 |