(254) Charge-carrier photogeneration and extraction dynamics of polymer solar cells probed by a transient photocurrent nearby the regime of the space charge-limited current Boa Jin1, Hyunmin Park1, Yang Liu2, Leijing Liu2, Jongdeok An1, Wenjing Tian2, Chan Im*1 Front. Chem. Sci. Eng., 2021, 15(1), 164-179.