Ultrasensitive turn-on luminescence humidity sensor based on a perovskite/zeolite composite
Yujie Gao, Giacomo Romolini, Haowei Huang, Handong Jin, Rafikul Ali Saha, Biplab Ghosh, Michiel De Ras, Chunhua Wang, Julian A. Steele, Elke Debroye, Johan Hofkens, Maarten B. J. Roeffaers
Abstract
A new perovskite-based turn-on sensor, Cs 4 PbBr 6 /FAU-Y, is designed by depositing the precursor of CsPbBr 3 on hygroscopic zeolite FAU-Y. This sensor shows an excellent fluorescence response when exposed to both low and high humidity conditions.
Topics & Concepts
Materials scienceZeolitePerovskite (structure)HumidityComposite numberLuminescenceFluorescenceTurn (biochemistry)Relative humidityChemical engineeringOptoelectronicsComposite materialCatalysisOpticsChemistryOrganic chemistryMeteorologyEngineeringPhysicsBiochemistryPerovskite Materials and ApplicationsGas Sensing Nanomaterials and SensorsLuminescence Properties of Advanced Materials