MAPbI₃ Perovskite Film

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

Specifications

带隙
{'zh': '1.588', 'en': ''} eV
载流子寿命
{'zh': '33.78', 'en': ''} ns
最大光电流
{'zh': '83', 'en': ''} μA
拉伸晶格应变
{'zh': '0.32', 'en': ''} %