Pyridyl-functionalized spiro[fluorene–xanthene] as a dopant-free hole-transport material for stable perovskite solar cells
Bommaramoni Yadagiri, Towhid H. Chowdhury, Yulu He, Ryuji Kaneko, Ashraful Islam, Surya Prakash Singh
Abstract
We have developed a novel HTM named SPS-SPX-2TPA for perovskite solar cell applications. This HTM showed the best PCE of 17.39% and maintained 95% of their initial PCE even after 600 h. It is three times cheaper cost than the Spiro-OMeTAD HTM.
Topics & Concepts
XantheneFluorenePerovskite (structure)Materials scienceDopantPerovskite solar cellChemical engineeringEnergy conversion efficiencyOptoelectronicsPhotochemistryDopingChemistryPolymerComposite materialEngineeringPerovskite Materials and ApplicationsConducting polymers and applicationsOrganic Light-Emitting Diodes Research