Merged interface construction toward ultra-low <i>V</i><sub>oc</sub> loss in inverted two-dimensional Dion–Jacobson perovskite solar cells with efficiency over 18%
Haotian Wu, Xiaomei Lian, Jun Li, Yingzhu Zhang, Guanqing Zhou, Xinbo Wen, Zengqi Xie, Haiming Zhu, Gang Wu, Hongzheng Chen
Abstract
By introducing a pretreatment combined with a merged annealing method, a dual-function PC<sub>61</sub>BM, which passivates interface defects and improves charge transport, was achieved to boost the PCE of 2D Dion–Jacobson perovskite solar cells to over 18%.
Topics & Concepts
Annealing (glass)Perovskite (structure)Materials scienceInterface (matter)OptoelectronicsChemistryCrystallographyMetallurgyComposite materialCapillary actionCapillary numberPerovskite Materials and ApplicationsConducting polymers and applicationsOrganic Electronics and Photovoltaics