Minimizing the buried interfacial energy loss using a fluorine-substituted small molecule for 25.92%-efficiency and stable inverted perovskite solar cells
Xin Chen, Qi Wang, Hui Wei, Jiewei Yang, Yuqi Yao, Weijian Tang, Wuke Qiu, Xiaopeng Xu, Lin Song, Yihui Wu, Qiang Peng
Abstract
Tetrafluorosuccinic acid was introduced into the buried interface to stabilize FA cations, mediate crystal growth of perovskite and reduce the hole-transport barrier, delivering a record efficiency of 25.92% for RbCsFAMA-based perovskite solar cells.
Topics & Concepts
Perovskite (structure)Materials scienceFluorineEnergy conversion efficiencyWork (physics)Crystal growthChemical engineeringMoleculeSmall moleculeOptoelectronicsChemical physicsEngineering physicsCrystallographyChemistryOrganic chemistryThermodynamicsMetallurgyPhysicsBiochemistryEngineeringPerovskite Materials and ApplicationsQuantum Dots Synthesis And PropertiesOrganic Light-Emitting Diodes Research