Efficient and stable inverted MA/Br-free 2D/3D perovskite solar cells enabled by <i>α</i>-to-<i>δ</i> phase transition inhibition and crystallization modulation
Zhiyuan Xu, Zhihao Guo, Jing Li, Yuqin Zhou, Zhenyu Liu, Ke Wang, Zhijun Li, Huaxin Wang, Saif M. H. Qaid, Omar F. Mohammed, Zhigang Zang
Abstract
An FA-based organic derivative, namely BLSCl, has been explored as a spacer for MA/Br-free FA-based 2D/3D perovskites. A champion efficiency of 25.96% for the 0.1 cm 2 device and 24.54% (certified 23.94%) for the 1.01 cm 2 device have been achieved.
Topics & Concepts
CrystallizationPerovskite (structure)Materials sciencePhase transitionModulation (music)CrystallographyPhase (matter)Transition (genetics)OptoelectronicsChemical physicsChemical engineeringChemistryCondensed matter physicsPhysicsEngineeringOrganic chemistryAcousticsBiochemistryGenePerovskite Materials and ApplicationsConducting polymers and applications