Light-Induced Passivation in Triple Cation Mixed Halide Perovskites: Interplay between Transport Properties and Surface Chemistry
Stéfania Cacovich, Davina Messou, Adrien Bercegol, Solène Béchu, Armelle Yaïche, Hamza Shafique, Jean Rousset, Philip Schulz, Muriel Bouttemy, Laurent Lombez
Abstract
for short (up to 1 h) light soaking time. However, after 5 h of light soaking, phase segregation and in-depth oxygen penetration lead to a decrease of the charge mobility.
Topics & Concepts
PassivationMaterials sciencePerovskite (structure)X-ray photoelectron spectroscopyHalideOptoelectronicsPhotovoltaic systemHeterojunctionChemical physicsChemical engineeringNanotechnologyInorganic chemistryChemistryBiologyEcologyEngineeringLayer (electronics)Perovskite Materials and ApplicationsSolid-state spectroscopy and crystallographyChalcogenide Semiconductor Thin Films