Dopant-free polymeric hole transport materials for efficient CsPbI<sub>2</sub>Br perovskite cells with a fill factor exceeding 84%
Pang Wang, Hui Wang, Mingyu Jeong, Sang Myeon Lee, Baocai Du, Yuchao Mao, Fanghao Ye, Huijun Zhang, Donghui Li, Dan Liu, Changduk Yang, Tao Wang
Abstract
p-Type semiconductor <bold>PBDB-T</bold> and its derivatives have been explored as dopant-free hole transport materials for CsPbI<sub>2</sub>Br inorganic perovskite solar cells, with <bold>PBDB-T-Si</bold> enabling a PCE of 15.6% and FF exceeding 84%.
Topics & Concepts
DopantPerovskite (structure)Materials scienceDopingSemiconductorOptoelectronicsChemical engineeringEngineeringPerovskite Materials and ApplicationsConducting polymers and applicationsOrganic Light-Emitting Diodes Research