Low-temperature interfacial engineering for flexible CsPbI<sub>2</sub>Br perovskite solar cells with high performance beyond 15%
Xia Yang, Hanjun Yang, Xiaotian Hu, Wenting Li, Zhimin Fang, Kaifeng Zhang, Rui Huang, Jinming Li, Zhou Yang, Yanlin Song
Abstract
High-efficiency flexible CsPbI<sub>2</sub>Br PSCs are designed by introducing Al-doped ZnO as an electron-transport layer and <italic>tert</italic>-butyl cyanoacetate as a hole passivation layer. The optimized PSC exhibits outstanding stability and a champion PCE of 15.08%.
Topics & Concepts
PassivationPerovskite (structure)Materials scienceDopingLayer (electronics)OptoelectronicsEnergy conversion efficiencyNanotechnologyChemical engineeringEngineeringPerovskite Materials and ApplicationsQuantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin Films