A double responsive fluorescent platform for sensing heavy metal ions based on a dual-emitting fluorescent covalent organic framework hydrogel film
Yinghua Jia, Jinmin Wang, Limin Zhao, Bing Yan
Abstract
A new luminescent hybrid material with dual-emission centers (Eu@Dye@TpDq hydrogel) exhibits a double-response towards different heavy metal ions: a ratiometric identification response to Cu( ii ), and a turn-off fluorescence response to Cr( vi ).
Topics & Concepts
FluorescenceCovalent bondDual (grammatical number)Metal ions in aqueous solutionCovalent organic frameworkMetalIonMaterials scienceChemistryNanotechnologyPhotochemistryCombinatorial chemistryOrganic chemistryPhysicsOpticsLiteratureArtCovalent Organic Framework ApplicationsMolecular Sensors and Ion DetectionLuminescence and Fluorescent Materials