Ultra-large dipole moment organic cations derived 3D/2D p–n heterojunction for high-efficiency carbon-based perovskite solar cells
Yu Lin, Jiawei Tang, Haocong Yan, Jiaru Lin, Wenran Wang, Shengsen Zhang, Huashang Rao, Zhenxiao Pan, Xinhua Zhong
Abstract
The organic spacer cation with ultra-large dipole moment results in the formation of p-type 2D perovskites and 3D/2D p–n junctions. The hole transport layer-free carbon-based perovskite solar cells achieve an efficiency of 20.08%.
Topics & Concepts
Perovskite (structure)DipoleHeterojunctionMaterials scienceMoment (physics)Carbon fibersPhotovoltaic systemOptoelectronicsLayer (electronics)Energy conversion efficiencyElectrodeNanotechnologyChemistryPhysicsPhysical chemistryCrystallographyElectrical engineeringComposite materialOrganic chemistryEngineeringClassical mechanicsComposite numberPerovskite Materials and ApplicationsConducting polymers and applicationsOrganic Electronics and Photovoltaics