High efficiency near-infrared light emission and ultra-high stability of the lead-free double perovskite Cs<sub>2</sub>Na<sub>1−<i>x</i></sub>Ag<sub><i>x</i></sub>Bi<sub>1−<i>y</i></sub>Al<sub>y</sub>Cl<sub>6</sub>
Bin He, Qilin Wei, Bao Ke, Zixuan Wu, Hualin Zhao, Jieyu Wei, Chengzhi Yang, Shu-Ya Jin, Bingsuo Zou
Abstract
Co-Doping with Al and Ag ions modifies the band structure of Cs 2 NaBiCl 6 to give strong near-infrared emission.
Topics & Concepts
Materials scienceInfraredDopingPerovskite (structure)IonLead (geology)Analytical Chemistry (journal)OptoelectronicsCrystallographyOpticsPhysicsChemistryChromatographyQuantum mechanicsGeomorphologyGeologyPerovskite Materials and ApplicationsOptical properties and cooling technologies in crystalline materialsLuminescence Properties of Advanced Materials