Abnormal spatial heterogeneity governing the charge-carrier mechanism in efficient Ruddlesden–Popper perovskite solar cells
Jun Xi, Junseop Byeon, Unsoo Kim, Kijoon Bang, Gi Rim Han, Jiyoung Kim, Jungjin Yoon, Hua Dong, Zhaoxin Wu, Giorgio Divitini, Kai Xi, Jinwoo Park, Tae‐Woo Lee, Seong Keun Kim, Mansoo Choi, Jong Woo Lee
Abstract
In the operando solar cell using Ruddlesden–Popper perovskite (RPP), we visualize an abnormal heterogeneity ranging from the lateral long-range to local sub-grain scale with a unitary 2D/3D hybrid, closely correlating to the charge-carrier dynamics.
Topics & Concepts
Perovskite (structure)Charge carrierMaterials sciencePerovskite solar cellChemical physicsRange (aeronautics)Charge (physics)Solar cellCondensed matter physicsOptoelectronicsChemistryCrystallographyPhysicsComposite materialQuantum mechanicsPerovskite Materials and ApplicationsChalcogenide Semiconductor Thin FilmsQuantum Dots Synthesis And Properties