Enhancing open-circuit voltage in FAPbI<sub>3</sub> perovskite solar cells <i>via</i> self-formation of coherent buried interface FAPbI<sub><i>x</i></sub>Cl<sub>3−<i>x</i></sub>
Cuina Gao, Sihui Jia, Xiaofei Yin, Zhi Li, Zhi Li, Guang Yang, Jing Chen, Zhaoqian Li, Zhaoqian Li, Xing‐Tao An
Abstract
. This interlayer significantly improved charge extraction and transportation from the perovskite layer, while reducing trap state density. As a result, the open-circuit voltage increased from 1.01 V to 1.10 V, with the PCE improved from 19.05% to 22.89%.
Topics & Concepts
Perovskite (structure)Open-circuit voltageMaterials scienceOptoelectronicsVoltageInterface (matter)ChemistryCrystallographyInorganic chemistryElectrical engineeringMoleculeOrganic chemistryEngineeringGibbs isothermPerovskite Materials and ApplicationsOptical properties and cooling technologies in crystalline materialsQuantum Dots Synthesis And Properties