Tin–lead halide perovskite solar cells with a robust hole transport layer
Chunyan Li, Yao Zhang, Haiyan Zhao, Zhongxun Yu, Jixiang Zhang, Peng Zhang, Han Chen
Abstract
Cesium carbonate is used to modify the labile PEDOT : PSS into a robust polymer substrate, which suppresses nonradiative recombination and chemical erosion at the buried interface, enabling Sn–Pb perovskite solar cells with >23% efficiency.
Topics & Concepts
Perovskite (structure)PEDOT:PSSHalideLayer (electronics)Materials scienceTinSubstrate (aquarium)OptoelectronicsLead (geology)Chemical engineeringInorganic chemistryChemistryNanotechnologyMetallurgyGeologyEngineeringOceanographyGeomorphologyPerovskite Materials and ApplicationsConducting polymers and applicationsOrganic Electronics and Photovoltaics