Research Article
Stable Inverted Low-Bandgap Polymer Solar Cells with Aqueous Solution Processed Low-Temperature ZnO Buffer Layers
Figure 5
Surface morphologies of (a) ITO/PEDOT:PSS, (b) ITO/ZnO (annealed in air), and (c) ITO/ZnO (annealed in N2).
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| (b) |
| (c) |