Highly efficient and stable broadband near-infrared-emitting lead-free metal halide double perovskites
Guangting Xiong, Lifang Yuan, Yahong Jin, Haoyi Wu, Bingyan Qu, Zhenzhang Li, Guifang Ju, Li Chen, Shihe Yang, Yihua Hu
Abstract
A novel lead-free perovskite variant with controllable morphology evolution was developed as a highly efficient and stable broadband near-infrared emitter. High-temperature post-treatment boosted the PLQY of the broadband NIR emission by 13-fold.
Topics & Concepts
Materials scienceHalideBroadbandPerovskite (structure)OptoelectronicsInfraredCommon emitterLead (geology)Near-infrared spectroscopyMetalNanotechnologyOpticsInorganic chemistryCrystallographyChemistryMetallurgyGeologyGeomorphologyPhysicsPerovskite Materials and ApplicationsLuminescence Properties of Advanced MaterialsOptical properties and cooling technologies in crystalline materials