Tail state limited photocurrent collection of thick photoactive layers in organic solar cells
oleh: Jiaying Wu, Joel Luke, Harrison Ka Hin Lee, Pabitra Shakya Tuladhar, Hyojung Cha, Soo-Young Jang, Wing Chung Tsoi, Martin Heeney, Hongkyu Kang, Kwanghee Lee, Thomas Kirchartz, Ji-Seon Kim, James R. Durrant
| Format: | Article |
|---|---|
| Diterbitkan: | Nature Portfolio 2019-11-01 |
Deskripsi
The power conversion efficiencies of most organic solar cells roll off quickly with thickness more than 100 nm. Here, Wu et al. show that avoiding excessive charge accumulation in the intra-bandgap tail states is vital to maintain the photocurrent generation at high thickness.