Face-on oriented hydrophobic conjugated polymers as dopant-free hole-transport materials for efficient and stable perovskite solar cells with a fill factor approaching 85%
Lusheng Liang, Naoyuki Shibayama, Haiying Jiang, Zilong Zhang, Lingyi Meng, Lianjie Zhang, Can Wang, Nan Zhao, Yaming Yu, Seigo Ito, Jihuai Wu, Junwu Chen, Peng Gao
Abstract
Siloxane-terminated polymers with low surface energy were studied as dopant-free HTMs in PSCs. The siloxane-terminated side-chains assisted the dissolution, tuning mobility, passivating perovskite defects and enhancing hydrophobicity of the polymer.
Topics & Concepts
SiloxaneDopantMaterials sciencePolymerDissolutionPerovskite (structure)Conjugated systemSurface energyChemical engineeringPolymer chemistryNanotechnologyDopingComposite materialOptoelectronicsEngineeringPerovskite Materials and ApplicationsConducting polymers and applicationsOrganic Electronics and Photovoltaics