Alkylammonium bis(trifluoromethylsulfonyl)imide as a dopant in the hole-transporting layer for efficient and stable perovskite solar cells
Youngwoong Kim, Geunjin Kim, Eun Young Park, Chan Su Moon, Seung Joo Lee, Jason J. Yoo, Seongsik Nam, Jino Im, Seong Sik Shin, Nam Joong Jeon, Jangwon Seo
Abstract
We develop a new series of ionic liquids with dual functionality as a dopant for hole transport materials and a passivator for perovskite surfaces, which enables the production of large-area solar modules with efficiencies approaching 20%.
Topics & Concepts
DopantPerovskite (structure)Materials scienceImideIonic liquidLayer (electronics)DopingChemical engineeringOptoelectronicsNanotechnologyChemistryPolymer chemistryOrganic chemistryCatalysisEngineeringPerovskite Materials and ApplicationsChalcogenide Semiconductor Thin FilmsQuantum Dots Synthesis And Properties