Double-Fluorescent Response Spiropyran-Functionalized Graphitic Carbon Nitride Solvent Decoder and Nanofiber Mat-Based Visual Colorimetric Sensor for Humidity Detection within Grain Heaps
Zhang H, Wang L, Nian Q, Liu S, Li J, Xu Q. Double-Fluorescent Response Spiropyran-Functionalized Graphitic Carbon Nitride Solvent Decoder and Nanofiber Mat-Based Visual Colorimetric Sensor for Humidity Detection within Grain Heaps. Analytical Chemistry 2024, 96: 15257-15264. PMID: 39253869, DOI: 10.1021/acs.analchem.4c02523.Peer-Reviewed Original ResearchStructures of spiropyransGraphitic carbon nitrideFluorescence quantum yieldRatiometric fluorescence sensingVisual colorimetric sensorSolvatochromic behaviorCarbon nitridePolar solventsFluorescence sensingMolecular structureQuantum yieldOrganic solventsColorimetric sensorFluorescence emissionVisual colorimetric methodAcidic conditionsSolvent identificationEmission wavelengthSpiropyranSample spotsSolventStainless steel needleHumidity detectionHydrophilic PVPGrain heap