Research Article
Improved Indium-Free Transparent ZnO/Metal/ZnO Electrode through a Statistical Experimental Design Method
Table 1
Experimental parameters and corresponding levels used in this study.
| Experimental parameters | Corresponding levels | 1 | 2 | 3 |
| : power of sputtering (W) | 50 | 150 | 300 | : Ag thickness (nm) | 5 | 10 | 15 | : postdeposition annealing (°C) | 200 | 300 | 400 |
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