Decreasing energy loss and optimizing band alignment for high performance CsPbI<sub>3</sub>solar cells through guanidine hydrobromide post-treatment
Changjie Yan, Zhizai Li, Yi Sun, Jing Zhao, Xuchun Huang, Junliang Yang, Zhipeng Ci, Liming Ding, Zhiwen Jin
Abstract
GABr post-treatment was applied to optimize the CsPbI<sub>3</sub>PSCs, which resulted in a greatly enhanced PCE from 16.58% to 18.02%.
Topics & Concepts
HydrobromideGuanidineSolar energyMaterials scienceOptoelectronicsChemical engineeringChemistryEngineeringElectrical engineeringOrganic chemistryPerovskite Materials and ApplicationsChalcogenide Semiconductor Thin FilmsQuantum Dots Synthesis And Properties