Bottom-up modification boosts the performance of narrow-bandgap lead–tin perovskite single-junction and tandem solar cells
Wenjun Zhang, Lishuai Huang, Hongling Guan, Wenwen Zheng, Zhe Li, Hongsen Cui, Shun Zhou, Jiwei Liang, Guang Li, Ti Wang, Pingli Qin, Weijun Ke, Guojia Fang
Abstract
GlyCl passivates the defects of narrow-bandgap Pb–Sn perovskites from bottom to up, boosting the solar cell efficiency from 14.28% to 22.07%.
Topics & Concepts
TandemPerovskite (structure)Band gapMaterials scienceOptoelectronicsTinBoosting (machine learning)Engineering physicsComputer scienceChemistryMetallurgyEngineeringComposite materialCrystallographyMachine learningPerovskite Materials and ApplicationsChalcogenide Semiconductor Thin FilmsQuantum Dots Synthesis And Properties