Chemically suppressing redox reaction at the NiO<sub><i>x</i></sub>/perovskite interface in narrow bandgap perovskite solar cells to exceed a power conversion efficiency of 20%
Hongyu Bian, Jiayu You, Cunyun Xu, Xiaofeng He, Meng Wang, Yanqing Yao, Wenqi Zeng, Pengju Guo, Hongyu Zhou, Dengcheng Lu, Zhongjun Dai, Sam Zhang, Qunliang Song
Abstract
A redox reaction is found at the NiO x /NBG perovskite interface, and a bifacial reduction strategy is proposed for chemically suppressing this.
Topics & Concepts
Perovskite (structure)Non-blocking I/ORedoxEnergy conversion efficiencyMaterials scienceInterface (matter)Band gapOptoelectronicsChemical engineeringInorganic chemistryChemistryCatalysisMetallurgyComposite materialEngineeringBiochemistryCapillary numberCapillary actionPerovskite Materials and ApplicationsConducting polymers and applicationsChalcogenide Semiconductor Thin Films