Porous Al2O3 Insulating Layer

Defect passivation, carrier friendly

A porous Al2O3 insulating layer modified with NMABr atop the perovskite film passivates interface defects and controls morphology, preventing carrier transport blockage.

Jiashun, Li · Jing, Liao · Tianhe, Dong · Li, Hongyu · Ze, Li · Li, Tan · Xu, Chen · Zhang, Wenfeng · Li, Haijin

ACS Materials Letters 2024

Advantages

Synergistic Al2O3 and NMABr form a porous insulating contact layer

Improves stability and efficiency