Germinant ZnO nanorods as a charge-selective layer in organic solar cells

Kunsik An, Jaehoon Kim, Mohammad Afsar Uddin, Seunghyun Rhee, Hyeok Kim, Kyung-Tae Kang, Han Young Woo, Changhee Lee

Table 2 Performance parametersa of organic solar cells (OSCs) with respect to the active layer thickness and ZnO nanorod (NR) length.

Active layer thickness ZnO NRs Length JSC (mA cm-2) VOC (V) FF PCE (%) 170 nm 45 nm 13.3 ± 0.65 0.75 ± 0.02 0.57 ± 0.02 5.62 ± 0.13 85 nm 13.8 ± 0.85 0.75 ± 0.02 0.57 ± 0.03 5.91 ± 0.19 145 nm 12.5 ± 1.02 0.71 ± 0.04 0.58 ± 0.02 5.12 ± 0.09 290 nm 45 nm 15.9 ± 0.17 0.71 ± 0.01 0.54 ± 0.01 6.10 ± 0.13 145 nm 14.5 ± 0.46 0.73 ± 0.02 0.58 ± 0.01 6.20 ± 0.17 190 nm 14.4 ± 0.29 0.70 ± 0.01 0.56 ± 0.01 5.65 ± 0.01 265 nm 12.9 ± 0.21 0.58 ± 0.03 0.52 ± 0.01 3.89 ± 0.31