Screenshot 2021-04-04 150548

Microscope images of PCBM crystals in (a) P3HT/PCBM, and (b) P3HT/P3HT-TDO/PCBM thin films after annealing at 130 °C.

Microscope images of PCBM crystals in (a) P3HT/PCBM, and (b) P3HT/P3HT-TDO/PCBM thin films after annealing at 130 °C.