Polarity and moisture induced trans-grain-boundaries 2D/3D coupling structure for flexible perovskite solar cells with high mechanical reliability and efficiency
Ying Yan, Ruiting Wang, Qingshun Dong, Yanfeng Yin, Linghui Zhang, Zhenhuang Su, Chenyue Wang, Jiangshan Feng, Minhuan Wang, Jing Liu, Hongru Ma, Yulin Feng, Wenzhe Shang, Zhiyong Wang, Mingzhu Pei, Yudi Wang, Shengye Jin, Jiming Bian, Xingyu Gao, Shengzhong Liu, Yantao Shi
Abstract
Precise control of the growth of 2D perovskites on 3D perovskites to form “trans-grain boundaries” 2D/3D structure for the preparation of flexible perovskite solar cells with a certified PCE up to 22.1% and excellent mechanical stability.
Topics & Concepts
Grain boundaryPerovskite (structure)Reliability (semiconductor)Materials sciencePolarity (international relations)Coupling (piping)MoistureChemical engineeringNanotechnologyComposite materialChemistryMicrostructureThermodynamicsEngineeringPhysicsCellBiochemistryPower (physics)Perovskite Materials and ApplicationsConducting polymers and applicationsQuantum Dots Synthesis And Properties