Table 1 Relationship between layers and roughness.
From: Self-healing perovskite solar cells based on copolymer-templated TiO2 electron transport layer
Number of layers | Roughness (nm) |
|---|---|
(a) 1 layer | 22.5 |
(b) 2 layer | 29.9 |
(c) 3 layer | 36.3 |
(d) Blank FTO (15 Ω/sq) | 37 |
