Strain-tuned Bandgap
Freezing thermal cycling induces [110] tensile strain that reduces the bandgap to 1.588 eV and suppresses iodine vacancy defects in MAPbI₃ perovskite films, enhancing photoelectric conversion.
Qin, Shengjian · Jiayu, Song · Jiao, Yinan · Jiale, Meng · Hang, Su · Zhao, Jinjin
EcoMat 2025