[17a-M_124-1~11] 12.5 Organic and hybrid solar cells

11:15 AM - 11:30 AM JST(2:15 AM - 2:30 AM UTC)

[17a-M_124-9] Development of Inorganic Electron Transport Layer for Perovskite Solar Cells

〇(M1)Michihiro Tokunaga¹, Takahito Nishimura¹, Akira Yamada¹ (1.Science Tokyo)

Keywords:

solar cell

Inorganic materials (TiO₂, SnO₂, and Sb₂O₃) were investigated as stable electron transport layers for inverted perovskite solar cells, fabricated via pressure gradient sputtering. Band structure analysis revealed that TiO₂ exhibits favorable energetic alignment (spike structure) with the perovskite absorber. We will also discuss the control of defect levels via oxygen partial pressure and its impact on electron transport properties.