Wetting-induced formation of void-free metal halide perovskite films by green ultrasonic spray coating for large-area mesoscopic perovskite solar cells
Sang Soo Kim, Jin Hyuck Heo, Sang Hyuk Im
Abstract
A void-free metal halide perovskite (MHP) layer on a mesoscopic TiO 2 (m-TiO 2 ) film was formed via the wetting-induced infiltration of MHP solution in the m-TiO 2 film via a green ultrasonic spray coating process using a non-hazardous solvent.
Topics & Concepts
Materials scienceWettingComposite materialChemical engineeringCoatingEngineeringPerovskite Materials and ApplicationsOrganic Light-Emitting Diodes Research