Fabrication of an ultrathin PEG-modified PEDOT:PSS HTL for high-efficiency Sn–Pb perovskite solar cells by an eco-friendly solvent etching technique
Pengju Guo, Jun Dong, Cunyun Xu, Yanqing Yao, Jiayu You, Hongyu Bian, Wenqi Zeng, Guangdong Zhou, Xiaofeng He, Meng Wang, Meng Wang, Xianju Zhou, Min Wang, Min Wang, Qunliang Song
Abstract
We have creatively introduced an eco-friendly solvent etching techniques to prepare ultra-thin PEDOT:PSS layers modified with PEG. The PCE of Sn–Pb PSCs using PEG-PEDOT:PSS HTL is increased from 20.52% to 21.58%, and the stability of the device is also improved.
Topics & Concepts
PEDOT:PSSMaterials scienceFabricationPerovskite (structure)Etching (microfabrication)PEG ratioEnvironmentally friendlySolventChemical engineeringPEG 400Layer (electronics)NanotechnologyChemistryOrganic chemistryAlternative medicinePathologyFinanceMedicineBiologyEngineeringEconomicsEcologyPerovskite Materials and ApplicationsConducting polymers and applicationsQuantum Dots Synthesis And Properties