Tail state limited photocurrent collection of thick photoactive layers in organic solar cells

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