Urea-doped carbon dots as fluorescent switches for the selective detection of iodide ions and their mechanistic study
Kai Wang, Cuihuan Geng, Fang Wang, Yajun Zhao, RU Zong-ling
Abstract
Urea-doped carbon dots (N-CDs) have been successfully fabricated for monitoring iodide ions; the reduced lifetime of N-CDs demonstrated that the excited energy dissipation led to a dynamic fluorescence quenching process.
Topics & Concepts
FluorescenceQuenching (fluorescence)IodideChemistryIonPhotochemistryDensity functional theoryExcited stateDetection limitAnalytical Chemistry (journal)Inorganic chemistryComputational chemistryAtomic physicsOrganic chemistryChromatographyPhysicsQuantum mechanicsCarbon and Quantum Dots ApplicationsMolecular Sensors and Ion DetectionLuminescence and Fluorescent Materials