Simulation study of the losses and influences of geminate and bimolecular recombination on the performances of bulk heterojunction organic solar cells

Zhu Jian-Zhuo†, Qi Ling-Hui, Du Hui-Jing‡, Chai Ying-Chun

Electron and hole concentrations at different positions in the device under open circuit conditions when α = 1/ β = 1. Inset: the corresponding energy levels.