Melamine holding PbI<sub>2</sub> with three “arms”: an effective chelation strategy to control the lead iodide to perovskite conversion for inverted perovskite solar cells
Shizi Luo, Shuguang Cao, Tongjun Zheng, Zhuoneng Bi, Yupeng Zheng, Yiqun Li, Biniyam Zemene Taye, Victoria V. Ozerova, Lyubov A. Frolova, Nikita A. Emelianov, Eugeniy D. Tarasov, Zheng Liang, Lavrenty G. Gutsev, С. М. Алдошин, B. Ramachandran, Pavel A. Troshin, Xueqing Xu
Abstract
Herein, we have proposed a novel tridentate chelation strategy to manage the excessive amount of unreacted PbI 2 in perovskite films, achieving a inverted PSC device with a PCE of 25.66% by sequential deposition method.
Topics & Concepts
Perovskite (structure)IodideLead (geology)MelamineMaterials scienceChelationChemical engineeringBusinessInorganic chemistryChemistryMetallurgyComposite materialEngineeringGeologyGeomorphologyPerovskite Materials and ApplicationsQuantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin Films