Dual-emission carbon dots for sensitive fluorescence detection of metal ions and ethanol in water
Qingqing Xu, Jiurong Li, Xiao Gong
Abstract
can be up to 0.024 μM and 0.036 μM, respectively, which is superior to that in previous reports. Meanwhile, in view of the specific solvent effect on their PL, the red CDs are able to be applied for trace detection of the ethanol content in aqueous solution. The methods of colorimetry and fluorescence spectrometry are utilized to perform the threshold test and high-sensitivity quantitative analysis of the ethanol content in aqueous solution. Based on this, a multifunctional fluorescent nanoprobe based on the dual-emission red CDs can be obtained, which provides a promising way for their applications in detection and sensing fields.
Topics & Concepts
FluorescenceMetal ions in aqueous solutionAqueous solutionCarbon fibersEthanolIonChemistryMetalTRACE (psycholinguistics)Inorganic chemistryMaterials scienceNuclear chemistryAnalytical Chemistry (journal)ChromatographyOrganic chemistryPhysicsComposite materialComposite numberPhilosophyLinguisticsQuantum mechanicsCarbon and Quantum Dots ApplicationsNanocluster Synthesis and ApplicationsAdvanced biosensing and bioanalysis techniques