Reduced 0.418 V <i>V</i><sub>OC</sub>-deficit of 1.73 eV wide-bandgap perovskite solar cells assisted by dual chlorides for efficient all-perovskite tandems
Yue Zhao, Changlei Wang, Tianshu Ma, Luwei Zhou, Zhanghao Wu, Huayang Wang, Cong Chen, Zhenhua Yu, Weiwei Sun, Aolin Wang, Hao Huang, Bingsuo Zou, Dewei Zhao, Xiaofeng Li
Abstract
Synergistic effects of lead chloride and phenethylammonium chloride suppress the phase segregation and non-radiative recombination in 1.73 eV wide- E g perovskite solar cells (PSCs), leading to a significantly reduced V OC -deficit to 0.418 V.
Topics & Concepts
Perovskite (structure)Band gapRecombinationChlorideChemistryPhase (matter)Analytical Chemistry (journal)Materials scienceOptoelectronicsCrystallographyEnvironmental chemistryOrganic chemistryBiochemistryGenePerovskite Materials and ApplicationsSolid-state spectroscopy and crystallographyChalcogenide Semiconductor Thin Films