Dual-emission spiropyran-functionalized covalent organic framework–based nanofiber mat microsensors for fluorescence colorimetric sensing of trace water
Zhang H, Wang L, Li J, Xu Q. Dual-emission spiropyran-functionalized covalent organic framework–based nanofiber mat microsensors for fluorescence colorimetric sensing of trace water. Sensors And Actuators B Chemical 2025, 423: 136734. DOI: 10.1016/j.snb.2024.136734.Peer-Reviewed Original ResearchIntramolecular charge transfer propertiesFace-to-face stackingCovalent organic frameworksSolvent-solvent interactionsCharge transfer propertiesLow matrix interferenceRatiometric fluorescent probeH‐aggregate formSolvatochromic behaviorPresence of waterPolar solventsOrganic frameworksTrace waterAcyl chlorinationExcited statesMatrix interferencesDetection of waterFluorescent probeSolid samplesTransfer propertiesNanofiber matsSolventChlorineMicrosensing devicesNanofibers