Nanoscale interfacial engineering enables highly stable and efficient perovskite photovoltaics
Anurag Krishna, Hong Zhang, Zhiwen Zhou, Thibaut Gallet, Mathias Dankl, Olivier Ouellette, Felix T. Eickemeyer, Fan Fu, Sandy Sánchez, Mounir Mensi, Shaik M. Zakeeruddin, Ursula Röthlisberger, G. N. Manjunatha Reddy, Alex Redinger, Michaël Grätzel, Anders Hagfeldt
Abstract
The molecular level interface engineering with a multifunctional ligand 2,5-thiophenedicarboxylic acid suppresses interfacial ion diffusion and inhibits I 2 formation, which leads to high operational stability with T 80 of 3570 h along with PCE of 23.4%.
Topics & Concepts
Perovskite (structure)PassivationMaterials sciencePhotovoltaicsNanoscopic scaleNanotechnologyGrain boundaryThermal stabilityEnergy conversion efficiencyDiffusionLayer (electronics)OptoelectronicsChemical engineeringPhotovoltaic systemMicrostructureComposite materialElectrical engineeringEngineeringThermodynamicsPhysicsPerovskite Materials and ApplicationsQuantum Dots Synthesis And PropertiesConducting polymers and applications