Metastable interphase induced pre-strain compensation enables efficient and stable perovskite solar cells
Hongyu Xu, Yun Xiao, Karim A. Elmestekawy, Pietro Caprioglio, Qiuyang Li, Qixuan Zhong, Yongqiang Ji, Tianyu Huang, Haoming Yan, Yingguo Yang, Laura M. Herz, Qihuang Gong, Henry J. Snaith, Rui Zhu, Lichen Zhao
Abstract
We developed a pre-strain compensation strategy by introducing a metastable interphase at the buried interface to release the thermal-induced residual tensile strain in perovskite films, leading to highly efficient and stable perovskite solar cells.
Topics & Concepts
InterphaseMetastabilityStrain (injury)Perovskite (structure)Materials scienceCompensation (psychology)OptoelectronicsBiophysicsCell biologyCrystallographyChemistryBiologyPsychologyAnatomyOrganic chemistryPsychoanalysisPerovskite Materials and ApplicationsConducting polymers and applications