l'Actualité du Solaire

Researchers in Saudi Arabia have achieved optimum passivation in inverted perovskite solar cells by applying thin layers of low-dimensional perovskite to a 3D perovskite film.

Inverted perovskite cells

have a device structure called 'p-i-n', in which the hole-selective contact p is at the bottom of the intrinsic perovskite layer i with the electron-transport layer n at the top. Conventional halide perovskite cells have the same structure but inverted, in an "n-i-p" arrangement. In the p-i-n architecture, the solar cell is illuminated by the electron transport layer (ETL); in the conventional n-i-p structure, it is illuminated through the surface of the hole transport layer (HTL).

https://www.pv-magazine.com/2024/02/23/inverted-perovskite-solar-cell-with-double-side-2d-3d-heterojunctions-achieves-25-6-efficiency/

PV Magazine of 23 February 2023