Reversible luminescent humidity chromism of organic–inorganic hybrid PEA<sub>2</sub>MnBr<sub>4</sub> single crystals
Wanru Gao, Meiying Leng, Zhixiang Hu, Junze Li, Dehui Li, Huan Liu, Liang Gao, Guangda Niu, Jiang Tang
Abstract
from green emission at the water-desorption state to pink emission at the water-adsorption state within 18 s at a relative humidity of 38% RH. This obviously visible chromism was further used to check the water content in toluene with a low detection limit between 0.02 and 0.05 vol%.
Topics & Concepts
LuminescenceRelative humidityHumidityDesorptionAdsorptionMaterials scienceSelectivityAnalytical Chemistry (journal)ChemistryOptoelectronicsEnvironmental chemistryPhysical chemistryOrganic chemistryThermodynamicsCatalysisPhysicsPerovskite Materials and ApplicationsGas Sensing Nanomaterials and SensorsLuminescence and Fluorescent Materials