(240) Effect of annealing temperature on internal absorption, charge recombination and internal quantum efficiency of HC(NH2)2PbI3 perovskite solar cells Yang Liu a, Hao Zhang a, Bin Xu a, Leijing Liu a,*, Chan Im b, Wenjing Tian a,* Org. Electron., 2020, 77, 105508: 1-8.