Strain relaxation and phase regulation in quasi-2D perovskites for efficient solar cells
Haolin Zhang, Ze Wang, Haoyu Wang, Xianghua Yao, Furong Wang, Shuya Wang, Sai Bai, Jiang Huang, Xiao Luo, Shuanghong Wu, Xiaodong Liu
Abstract
By introducing F-PEA as a second spacer cation, a remarkable PCE of 17.17% is achieved for iso-BA based Q-2D PSCs with PTAA as a hole transport layer, attributed to the released tensile strain and improved charge transport in the iso-BA:F-PEA based film.
Topics & Concepts
Tensile strainStrain (injury)Materials sciencePhase (matter)Relaxation (psychology)Layer (electronics)Charge (physics)Ultimate tensile strengthChemical engineeringChemical physicsOptoelectronicsNanotechnologyChemistryComposite materialOrganic chemistryPhysicsInternal medicineSocial psychologyMedicineEngineeringQuantum mechanicsPsychologyPerovskite Materials and ApplicationsConducting polymers and applicationsOrganic Electronics and Photovoltaics