Over 28% efficiency perovskite/Cu(InGa)Se<sub>2</sub> tandem solar cells: highly efficient sub-cells and their bandgap matching
Xinxing Liu, Junjun Zhang, Liting Tang, Junbo Gong, Wang Li, Zengyang Ma, Zexin Tu, Yanyan Li, Ruiming Li, Xuzhi Hu, Chen Shen, He Wang, Zhiping Wang, Qianqian Lin, Guojia Fang, Sheng Wang, Chang Liu, Zengming Zhang, Jianmin Li, Xudong Xiao
Abstract
By combining a 1.67 eV PSC top sub-cell with a bandgap nearly-matched 1.04 eV-CIGS bottom sub-cell, we have successfully realized the highest tandem efficiency of 28.4% for a PSC/CIGS tandem cell with superior photostability.
Topics & Concepts
TandemCopper indium gallium selenide solar cellsBand gapPerovskite (structure)OptoelectronicsMaterials scienceStack (abstract data type)IngaEnergy conversion efficiencyPerovskite solar cellSolar cellChemistryCrystallographyComputer scienceComposite materialAgronomyProgramming languageBiologyPerovskite Materials and ApplicationsChalcogenide Semiconductor Thin FilmsQuantum Dots Synthesis And Properties