Enabling water-free PEDOT as hole selective layer in lead-free tin perovskite solar cells
Diego Di Girolamo, Ece Aktas, Corinna Ponti, Jorge Pascual, Guixiang Li, Meng Li, Giuseppe Nasti, Fahad A. Alharthi, Francesco Mura, Antonio Abate
Abstract
A thin layer of Al 2 O 3 nanoparticles has been deposited on top of a water-free PEDOT layer to modify wettability for obtaining pinhole-free homogenous tin-based perovskite films, resulting in better device performance.
Topics & Concepts
PEDOT:PSSTinMaterials sciencePerovskite (structure)Layer (electronics)Lead (geology)OptoelectronicsNanotechnologyChemical engineeringMetallurgyGeologyGeomorphologyEngineeringPerovskite Materials and ApplicationsChalcogenide Semiconductor Thin FilmsConducting polymers and applications