Halide-dependent humidity sensing of Cs<sub>2</sub>SnX<sub>6</sub> (X = Cl, Br, I) perovskites for real-time human physiological moisture detection
Chen-Chen Guo, Chaojie Wang, Le‐Xi Zhang, Qi-Da Qiu, Mengya Zhu, Jing Yin, Li‐Jian Bie
Abstract
Lead-free halide perovskites Cs 2 SnX 6 (X = Cl, Br, I) exhibit favorable humidity sensing with a response sequence of Cs 2 SnCl 6 > Cs 2 SnBr 6 > Cs 2 SnI 6 , enabling great potential for real-time non-contact human breath and finger monitoring.
Topics & Concepts
HalideHumidityMaterials scienceMoistureRelative humiditySequence (biology)Inorganic chemistryChemistryPhysicsMeteorologyComposite materialBiochemistryPerovskite Materials and ApplicationsGas Sensing Nanomaterials and SensorsAdvanced Sensor and Energy Harvesting Materials