Nano structure evolution in P3HT:PC<sub>61</sub>BM blend films due to the effects of thermal annealing or by adding solvent

Nano structure evolution in P3HT:PC₆₁BM blend films due to the effects of thermal annealing or by adding solvent

Fan Xing^a),^b), Zhao Su-Ling†^a),^b), Chen Yu^c), Zhang Jie^c), Yang Qian-Qian^a),^b), Gong Wei^a),^b), Yuan Meng-Yao^c), Xu Zheng^a),^b), Xu Xu-Rong^a),^b)

Current density ( J )–voltage ( V ) curves of P3HT:PC₆₁BM BHJ solar cells annealed at different temperatures (a) and with different DIO concentrations added (b) under AM 1.5 conditions (100 mW/cm²).