Molecular modification of spiro[fluorene-9,9′-xanthene]-based dopant-free hole transporting materials for perovskite solar cells
Vinay Kumar, Deepak Kumar, Rohit D. Chavan, Phani Kumar Kodali, Bommaramoni Yadagiri, Muhammad Ans, Joanna Kruszyńska, Apurba Mahapatra, Jan Nawrocki, Kostiantyn Nikiforow, Nada Mrkyvkova, Peter Šiffalovič, Pankaj Yadav, Seçkin Akın, Surya Prakash Singh, Daniel Prochowicz
Abstract
Two spiro-OMeTAD analogues featuring a spiro[fluorene-9,9-xanthene] central core have been designed and applied in PSCs as dopant-free HTLs. The device based on SP-SMe reveals better performance and operational stability than the spiro-OMeTAD-based device.
Topics & Concepts
XantheneFluoreneDopantMaterials sciencePerovskite (structure)OptoelectronicsChemical engineeringDopingPhotochemistryChemistryPolymerComposite materialEngineeringPerovskite Materials and ApplicationsConducting polymers and applicationsOrganic Electronics and Photovoltaics